title
Build a Full Stack Twitter Clone with Coding Garden

description
CJ is an Educator, Full Stack Developer and Maker. He streams himself live coding tutorials and walk throughs about Full Stack Web Development and other related tech on the YouTube channel Coding Garden with CJ. https://www.youtube.com/channel/UCLNgu_OupwoeESgtab33CCw https://coding.garden/ Deployed app: https://meower.now.sh/ Github repo: https://github.com/CodingGarden/meower What is the Full Stack? Prerequisites: * Basics of HTML/CSS/JavaScript * Node.js Installed * MongoDB Installed 0:00 Ooops, I'm live 0:12 Start! CJ Intro 2:10 Overview of what we will build 3:01 Diagram the Full Stack 8:09 Setup the client 12:22 Create a form on the client 14:40 Listen for form submit on the client 18:38 Show a loading spinner 24:11 Setup the server 27:12 Add a GET / route to the server 32:25 Add a POST /mews route to the server 33:25 fetch POST /mews from the client 35:47 Let's talk about CORS! 37:02 Add CORS to the server 38:47 Add Body Parser to the server 39:54 Validate the body of the request on the server 45:10 Setup the database connection on the server 47:46 Insert into the database on the server 49:13 Log out the created mew on the client 52:33 Get all mews from the database on the server 53:42 fetch GET /mews on the client 54:48 Add all mews to the page on the client 1:04:35 Review what we have built 1:07:09 Prepare for deployment 1:12:26 Deploy Database with mlab 1:14:57 Deploy Server with now.sh 1:16:24 Deploy Client with now.sh 📄 Code of Conduct: https://github.com/CodingTrain/Code-of-Conduct

detail
{'title': 'Build a Full Stack Twitter Clone with Coding Garden', 'heatmap': [{'end': 579.238, 'start': 474.222, 'weight': 1}, {'end': 947.893, 'start': 895.027, 'weight': 0.734}, {'end': 1160.435, 'start': 1049.802, 'weight': 0.868}, {'end': 1528.553, 'start': 1472.452, 'weight': 0.825}, {'end': 1632.099, 'start': 1578.428, 'weight': 0.769}, {'end': 1896.743, 'start': 1840.462, 'weight': 0.771}, {'end': 3000.884, 'start': 2894.51, 'weight': 0.873}], 'summary': 'A special episode features a live tutorial by cj from the coding garden, building meowr, a twitter clone for cats, covering front-end and back-end components, using technologies like node.js and mongodb. topics include web development concepts, css frameworks, node.js server setup, server-side data validation, fixing tweet loading, app initialization, deployment using the now tool, and developing a twitter clone with live streaming and teaching updates. the speaker plans to increase live streaming frequency upon returning to denver after previously streaming five days a week.', 'chapters': [{'end': 397.964, 'segs': [{'end': 80.448, 'src': 'embed', 'start': 53.077, 'weight': 0, 'content': [{'end': 56.098, 'text': "We'll put links and all that stuff in the video description.", 'start': 53.077, 'duration': 3.021}, {'end': 60.92, 'text': "I'm sure you can find it just by typing Coding Garden into the search bar.", 'start': 56.158, 'duration': 4.762}, {'end': 66.902, 'text': 'CJ is an educator, a maker, and a full stack web developer.', 'start': 61.96, 'duration': 4.942}, {'end': 71.404, 'text': 'So somebody who actually knows about proper full stack web development.', 'start': 66.942, 'duration': 4.462}, {'end': 73.965, 'text': 'which is something that I definitely do not know about.', 'start': 71.764, 'duration': 2.201}, {'end': 79.187, 'text': "So I'm excited to have CJ here for about an hour to do a tutorial.", 'start': 74.325, 'duration': 4.862}, {'end': 80.448, 'text': "I mean, he'll tell you all about it.", 'start': 79.227, 'duration': 1.221}], 'summary': 'Cj, a full stack web developer, will share a tutorial in this hour-long session.', 'duration': 27.371, 'max_score': 53.077, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk53077.jpg'}, {'end': 165.227, 'src': 'embed', 'start': 136.214, 'weight': 1, 'content': [{'end': 142.479, 'text': "And the idea is I'm going to build a very basic Twitter clone to demonstrate all the parts and pieces of the full stack.", 'start': 136.214, 'duration': 6.265}, {'end': 147.604, 'text': "So the idea is we're going to be building Meowr, which is Twitter for cats.", 'start': 142.92, 'duration': 4.684}, {'end': 149.365, 'text': "And it'll have two features.", 'start': 148.425, 'duration': 0.94}, {'end': 154.41, 'text': 'Cats can send a Mew, which is like a tweet, and cats can see all the Mews that they have sent.', 'start': 149.586, 'duration': 4.824}, {'end': 157.862, 'text': "So you can see a simple little animation here of what we're gonna be building.", 'start': 155.12, 'duration': 2.742}, {'end': 165.227, 'text': 'Basically, we have a form you put in your Mew and then, when you click Send, it gets sent to the server, it gets put in the database,', 'start': 158.222, 'duration': 7.005}], 'summary': 'Building a basic twitter clone called meowr for cats with tweet-like mews and database storage.', 'duration': 29.013, 'max_score': 136.214, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk136214.jpg'}, {'end': 199.436, 'src': 'embed', 'start': 172.191, 'weight': 2, 'content': [{'end': 175.153, 'text': 'The first one is to diagram the full stack.', 'start': 172.191, 'duration': 2.962}, {'end': 180.536, 'text': "So we're gonna draw a picture and talk about the different parts and pieces and how all of this interacts together.", 'start': 175.253, 'duration': 5.283}, {'end': 182.498, 'text': "So let's do that.", 'start': 180.877, 'duration': 1.621}, {'end': 194.234, 'text': 'So the full stack is typically split up into two pieces, more pieces than that in each piece, but you have the front end and the back end.', 'start': 185.109, 'duration': 9.125}, {'end': 197.475, 'text': "What is this? Oh, I think that's your head.", 'start': 195.014, 'duration': 2.461}, {'end': 199.436, 'text': 'Okay, nevermind.', 'start': 197.535, 'duration': 1.901}], 'summary': 'Diagram the full stack into front end and back end for a clear understanding.', 'duration': 27.245, 'max_score': 172.191, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk172191.jpg'}, {'end': 278.34, 'src': 'embed', 'start': 248.75, 'weight': 3, 'content': [{'end': 252.671, 'text': 'Anything that has a web browser, that is the client, and that is the front end.', 'start': 248.75, 'duration': 3.921}, {'end': 254.811, 'text': "So there's also the back end.", 'start': 253.071, 'duration': 1.74}, {'end': 258.173, 'text': "And here we're gonna have a couple different backend servers.", 'start': 255.311, 'duration': 2.862}, {'end': 262.518, 'text': 'So the first one will be known as the static file server.', 'start': 258.194, 'duration': 4.324}, {'end': 275.117, 'text': 'And this is where all of the files that we write to run inside of a client will live.', 'start': 270.213, 'duration': 4.904}, {'end': 278.34, 'text': "And I guess it's important to note that there are a lot of different ways.", 'start': 276.078, 'duration': 2.262}], 'summary': 'The front end client accesses backend servers including a static file server for client files.', 'duration': 29.59, 'max_score': 248.75, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk248750.jpg'}, {'end': 401.966, 'src': 'embed', 'start': 373.968, 'weight': 7, 'content': [{'end': 376.77, 'text': 'And there are lots of different things you can use for your database.', 'start': 373.968, 'duration': 2.802}, {'end': 378.813, 'text': 'You might have heard of SQL.', 'start': 376.791, 'duration': 2.022}, {'end': 380.134, 'text': 'You might have heard of NoSQL.', 'start': 378.873, 'duration': 1.261}, {'end': 384.819, 'text': "Today, specifically, we're going to be using a NoSQL database called MongoDB.", 'start': 380.494, 'duration': 4.325}, {'end': 395.162, 'text': "MongoDB And you might choose a different database depending on the application that you're building.", 'start': 387.318, 'duration': 7.844}, {'end': 397.964, 'text': 'But today, we are going to be using MongoDB.', 'start': 395.623, 'duration': 2.341}, {'end': 401.966, 'text': "And really, when you build an application, you pick and choose maybe what's the best type of database.", 'start': 398.224, 'duration': 3.742}], 'summary': 'Introduction to using nosql database mongodb for application development.', 'duration': 27.998, 'max_score': 373.968, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk373968.jpg'}], 'start': 1.027, 'title': 'A special episode and building meowr', 'summary': 'Features a special episode with cj from the coding garden presenting a live tutorial to build a full stack application. it also discusses building meowr, a twitter clone for cats, covering front end, back end components, and technologies like node.js and mongodb.', 'chapters': [{'end': 135.673, 'start': 1.027, 'title': 'Special episode with coding garden', 'summary': 'Features a special episode of coding train with a guest, cj from the coding garden, a full stack web developer, presenting a live tutorial to build a full stack application.', 'duration': 134.646, 'highlights': ['CJ from The Coding Garden, a full stack web developer, presents a live tutorial to build a full stack application.', 'Dan introduces CJ from The Coding Garden as an educator, maker, and a full stack web developer.', "Dan expresses excitement about learning from CJ's tutorial in the live stream."]}, {'end': 397.964, 'start': 136.214, 'title': 'Building meowr: twitter for cats', 'summary': 'Discusses building meowr, a twitter clone for cats, with features including sending mews and viewing sent mews. it covers diagramming the full stack, explaining the front end, back end components, and the use of technologies like node.js and mongodb.', 'duration': 261.75, 'highlights': ['The chapter discuss building Meowr, a Twitter clone for cats, with features including sending Mews and viewing sent Mews.', 'The chapter covers diagramming the full stack, explaining the front end, back end components, and the use of technologies like Node.js and MongoDB.', 'The full stack is typically split into two pieces, the front end and the back end, with the front end being what the user sees and the back end consisting of servers and databases.', 'The backend includes a static file server for client files and a dynamic server using Node.js, which will return JSON data for building a JSON API.', 'The chapter also mentions the use of MongoDB as a NoSQL database for the application, highlighting the different database options available for different applications.']}], 'duration': 396.937, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1027.jpg', 'highlights': ['CJ from The Coding Garden presents a live tutorial to build a full stack application.', 'The chapter discusses building Meowr, a Twitter clone for cats, with features including sending Mews and viewing sent Mews.', 'The full stack is typically split into two pieces, the front end and the back end, with the front end being what the user sees and the back end consisting of servers and databases.', 'The backend includes a static file server for client files and a dynamic server using Node.js, which will return JSON data for building a JSON API.', 'Dan introduces CJ from The Coding Garden as an educator, maker, and a full stack web developer.', 'The chapter covers diagramming the full stack, explaining the front end, back end components, and the use of technologies like Node.js and MongoDB.', "Dan expresses excitement about learning from CJ's tutorial in the live stream.", 'The chapter also mentions the use of MongoDB as a NoSQL database for the application, highlighting the different database options available for different applications.']}, {'end': 1309.255, 'segs': [{'end': 454.034, 'src': 'embed', 'start': 422.7, 'weight': 0, 'content': [{'end': 423.921, 'text': "You have other people's tweets.", 'start': 422.7, 'duration': 1.221}, {'end': 425.362, 'text': 'You have a place where you can search.', 'start': 424.281, 'duration': 1.081}, {'end': 426.683, 'text': 'And you have all of this stuff.', 'start': 425.422, 'duration': 1.261}, {'end': 436.711, 'text': "But what really happens is when you type a URL into your browser and hit Enter, that makes a request to, in this case, we'll say a static file server.", 'start': 426.723, 'duration': 9.988}, {'end': 442.928, 'text': 'So the moment you type in a URL, This will make a get request for some file.', 'start': 436.731, 'duration': 6.197}, {'end': 445.949, 'text': "In this case, it's going to request index.html.", 'start': 442.968, 'duration': 2.981}, {'end': 454.034, 'text': 'And the static file server will then respond with that file, which contains all of the HTML contents.', 'start': 447.59, 'duration': 6.444}], 'summary': 'When you type a url and hit enter, it triggers a request to a static file server for index.html, returning html contents.', 'duration': 31.334, 'max_score': 422.7, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk422700.jpg'}, {'end': 579.238, 'src': 'heatmap', 'start': 474.222, 'weight': 1, 'content': [{'end': 479.447, 'text': 'So in this directory here, oh, and before I forget, I did, all of this is on GitHub right now.', 'start': 474.222, 'duration': 5.225}, {'end': 482.129, 'text': "It's just a checklist, but as I code, I'll push it up to GitHub.", 'start': 479.507, 'duration': 2.622}, {'end': 485.132, 'text': 'One of the mods can potentially share this link.', 'start': 482.81, 'duration': 2.322}, {'end': 485.812, 'text': 'I put it in the Slack.', 'start': 485.152, 'duration': 0.66}, {'end': 488.435, 'text': 'You can share it in the chat if people want to click on it.', 'start': 485.852, 'duration': 2.583}, {'end': 499.799, 'text': "But the first thing is we'll create a client folder and inside of that client folder here in VS Code, we'll create a new file and call it index.html.", 'start': 489.215, 'duration': 10.584}, {'end': 502.442, 'text': "I'll create a basic HTML document.", 'start': 500.58, 'duration': 1.862}, {'end': 512.991, 'text': 'The title will be Twitter for cats.', 'start': 503.683, 'duration': 9.308}, {'end': 515.635, 'text': "And let's put like a little cat emoji.", 'start': 513.933, 'duration': 1.702}, {'end': 516.296, 'text': 'There we go.', 'start': 515.996, 'duration': 0.3}, {'end': 519.433, 'text': "For now, I'm going to get rid of this link in the script.", 'start': 517.27, 'duration': 2.163}, {'end': 528.689, 'text': "Here in the body, we'll add a header, and inside the header, I'll have an H1 that just says, same thing, meower Twitter for cats.", 'start': 520.115, 'duration': 8.574}, {'end': 533.221, 'text': 'Okay, so I have a basic HTML file.', 'start': 531.28, 'duration': 1.941}, {'end': 535.501, 'text': 'This is what the user will see.', 'start': 533.881, 'duration': 1.62}, {'end': 541.503, 'text': "So in my terminal, I am currently in the client folder, and here is where I'll run the live server.", 'start': 535.581, 'duration': 5.922}, {'end': 547.185, 'text': 'So this will start up a static file server, and then when the browser loads, it loads that file that I created.', 'start': 541.904, 'duration': 5.281}, {'end': 552.027, 'text': "So if I change that file, let's add more emojis, cat.", 'start': 547.305, 'duration': 4.722}, {'end': 554.546, 'text': 'another cat, and save it.', 'start': 553.285, 'duration': 1.261}, {'end': 559.948, 'text': 'Live server automatically refresh, but the browser will make a git request for this file.', 'start': 554.606, 'duration': 5.342}, {'end': 561.449, 'text': "So let's just see it happen.", 'start': 560.028, 'duration': 1.421}, {'end': 562.589, 'text': 'I put this URL in.', 'start': 561.509, 'duration': 1.08}, {'end': 563.53, 'text': 'I hit enter.', 'start': 562.589, 'duration': 0.941}, {'end': 568.812, 'text': "that's a git request to get the HTML the browser receives it parses it into the DOM.", 'start': 563.53, 'duration': 5.282}, {'end': 571.874, 'text': 'lots of stuff happens, but ultimately this is what the user sees.', 'start': 568.812, 'duration': 3.062}, {'end': 575.796, 'text': "So, so far we're at that first line in the diagram.", 'start': 571.914, 'duration': 3.882}, {'end': 579.238, 'text': "Okay, and let's set up a basic skeleton of a website.", 'start': 577.156, 'duration': 2.082}], 'summary': "Creating a basic html file for 'twitter for cats' and setting up a live server for user visualization.", 'duration': 105.016, 'max_score': 474.222, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk474222.jpg'}, {'end': 892.706, 'src': 'embed', 'start': 859.855, 'weight': 1, 'content': [{'end': 861.495, 'text': 'Then we get a nice little button we can click.', 'start': 859.855, 'duration': 1.64}, {'end': 869.248, 'text': 'Cool So we have this form, the user can type in here, but now we actually want to send this data somewhere.', 'start': 861.903, 'duration': 7.345}, {'end': 870.629, 'text': "But let's look back at our checklist.", 'start': 869.268, 'duration': 1.361}, {'end': 872.531, 'text': 'So we created a form.', 'start': 871.21, 'duration': 1.321}, {'end': 877.555, 'text': "we have name, we have content, we've listened, we've set up full width on all the inputs,", 'start': 872.531, 'duration': 5.024}, {'end': 881.638, 'text': 'but now we actually need JavaScript to listen for when this form is submitted.', 'start': 877.555, 'duration': 4.083}, {'end': 882.718, 'text': "So here's what I'll do.", 'start': 882.058, 'duration': 0.66}, {'end': 884.6, 'text': "I'll create a new file.", 'start': 883.559, 'duration': 1.041}, {'end': 886.601, 'text': "Let's call this client.js.", 'start': 884.66, 'duration': 1.941}, {'end': 892.706, 'text': "I'm going to be creating other JavaScript files, so just to make sure we're clear as to where we are when we're working on them,", 'start': 887.442, 'duration': 5.264}], 'summary': 'Creating a form with javascript to listen for submission, while ensuring clear file organization.', 'duration': 32.851, 'max_score': 859.855, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk859855.jpg'}, {'end': 956.437, 'src': 'heatmap', 'start': 895.027, 'weight': 2, 'content': [{'end': 906.637, 'text': "And I'm going to go ahead, before I forget, we'll add a script at the bottom here that will bring in our client.js.", 'start': 895.027, 'duration': 11.61}, {'end': 910.359, 'text': "And just to make sure it's working, let's just log hello world.", 'start': 906.657, 'duration': 3.702}, {'end': 914.421, 'text': 'And back to the browser, open the dev tools, and it is working.', 'start': 911.319, 'duration': 3.102}, {'end': 916.342, 'text': 'We get to the hello world log.', 'start': 914.461, 'duration': 1.881}, {'end': 923.445, 'text': "Cool So now we actually want to listen for when the user clicks this button so that way we can grab all of the data that's in the form.", 'start': 917.602, 'duration': 5.843}, {'end': 930.328, 'text': "So first thing I'll do is get a reference to the form by using a document.", 'start': 923.605, 'duration': 6.723}, {'end': 941.33, 'text': 'document.querySelector And then with querySelector, you can pass in any valid CSS selector to choose some element on the page.', 'start': 932.847, 'duration': 8.483}, {'end': 944.412, 'text': 'So in this case, I want to select this form.', 'start': 941.451, 'duration': 2.961}, {'end': 947.893, 'text': 'So a valid CSS selector for that is just to pass in form.', 'start': 945.132, 'duration': 2.761}, {'end': 949.434, 'text': 'And that will give me the form.', 'start': 948.313, 'duration': 1.121}, {'end': 955.456, 'text': 'So part of our objectives were to differentiate between client-side JavaScript and server-side JavaScript.', 'start': 950.194, 'duration': 5.262}, {'end': 956.437, 'text': 'Any time.', 'start': 955.936, 'duration': 0.501}], 'summary': "Adding a script to log 'hello world', and differentiating between client-side and server-side javascript.", 'duration': 23.59, 'max_score': 895.027, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk895027.jpg'}, {'end': 1041.421, 'src': 'embed', 'start': 1011.371, 'weight': 3, 'content': [{'end': 1014.234, 'text': 'And for this, we can do prevent default.', 'start': 1011.371, 'duration': 2.863}, {'end': 1017.177, 'text': "And now that we're preventing the default action, the data won't go anywhere.", 'start': 1014.754, 'duration': 2.423}, {'end': 1020.32, 'text': "We're basically telling the browser, oh no, we want to do this with JavaScript.", 'start': 1017.197, 'duration': 3.123}, {'end': 1023.704, 'text': "So here, let's try to log form submitted.", 'start': 1020.36, 'duration': 3.344}, {'end': 1032.376, 'text': 'And then, hello world, we click submit, and it says form submitted.', 'start': 1025.431, 'duration': 6.945}, {'end': 1035.337, 'text': "Cool, so we've tapped into when the user clicks this button.", 'start': 1032.435, 'duration': 2.902}, {'end': 1038.279, 'text': 'Now we actually want to grab the data from the page.', 'start': 1035.778, 'duration': 2.501}, {'end': 1041.421, 'text': "So to do that, I'm going to use form data.", 'start': 1038.479, 'duration': 2.942}], 'summary': 'Using prevent default to retain data in javascript, logging form submission, and accessing page data.', 'duration': 30.05, 'max_score': 1011.371, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1011371.jpg'}, {'end': 1160.435, 'src': 'heatmap', 'start': 1049.802, 'weight': 0.868, 'content': [{'end': 1055.165, 'text': 'So because I already have this form variable, we can pass it in here to the form data.', 'start': 1049.802, 'duration': 5.363}, {'end': 1059.207, 'text': 'And now we can grab some of the user input from the page.', 'start': 1055.806, 'duration': 3.401}, {'end': 1069.473, 'text': "So specifically, if I want to grab the name here, because I have the name set up as name, I can say, let's say, name is equal to form,", 'start': 1059.367, 'duration': 10.106}, {'end': 1071.314, 'text': 'data.get and pass in name.', 'start': 1069.473, 'duration': 1.841}, {'end': 1076.435, 'text': 'And if I also want the content, I set up the name here to be content.', 'start': 1072.353, 'duration': 4.082}, {'end': 1083.237, 'text': 'So I can say content is form data.get content.', 'start': 1076.875, 'duration': 6.362}, {'end': 1087.179, 'text': 'And now I have what the user typed into both input boxes.', 'start': 1083.917, 'duration': 3.262}, {'end': 1090.36, 'text': "And so let's just create an object called a mu.", 'start': 1087.539, 'duration': 2.821}, {'end': 1093.821, 'text': "And inside of it, I'll have the name and the content.", 'start': 1091.5, 'duration': 2.321}, {'end': 1097.703, 'text': "And let's just log it out, the mu.", 'start': 1095.062, 'duration': 2.641}, {'end': 1100.784, 'text': 'Cool, so now when the form is submitted, we should see an object.', 'start': 1098.123, 'duration': 2.661}, {'end': 1104.331, 'text': 'Hello, world.', 'start': 1103.251, 'duration': 1.08}, {'end': 1106.772, 'text': 'Go Nice.', 'start': 1105.472, 'duration': 1.3}, {'end': 1108.233, 'text': 'So we have the object.', 'start': 1106.953, 'duration': 1.28}, {'end': 1110.374, 'text': "But remember, we're still on the client side.", 'start': 1109.033, 'duration': 1.341}, {'end': 1113.155, 'text': "We haven't actually interacted with our dynamic server just yet.", 'start': 1110.394, 'duration': 2.761}, {'end': 1115.036, 'text': "So let's go back to our checklist.", 'start': 1113.555, 'duration': 1.481}, {'end': 1118.49, 'text': 'We are listening for the submit.', 'start': 1116.789, 'duration': 1.701}, {'end': 1125.456, 'text': "I guess one thing we'll do is when the form is submitted, we want the user to know that something is happening, like the data is going somewhere.", 'start': 1118.731, 'duration': 6.725}, {'end': 1127.398, 'text': "So I'm actually going to show a little loading image.", 'start': 1125.536, 'duration': 1.862}, {'end': 1129.279, 'text': 'So I have this loading GIF here.', 'start': 1128.018, 'duration': 1.261}, {'end': 1130.26, 'text': 'Let me put it in the client.', 'start': 1129.299, 'duration': 0.961}, {'end': 1135.404, 'text': "And in the HTML, I'm going to have a div right below the form.", 'start': 1131.141, 'duration': 4.263}, {'end': 1138.307, 'text': "Let's just give this a class of loading.", 'start': 1135.424, 'duration': 2.883}, {'end': 1142.82, 'text': "And inside of here, I'll have an image.", 'start': 1141.058, 'duration': 1.762}, {'end': 1144.681, 'text': 'Its source will be loading.gif.', 'start': 1142.96, 'duration': 1.721}, {'end': 1147.123, 'text': 'And by default, it should show on the page.', 'start': 1145.142, 'duration': 1.981}, {'end': 1149.305, 'text': 'There it is, but I want to center it first.', 'start': 1147.624, 'duration': 1.681}, {'end': 1152.648, 'text': "So in my CSS, I'll say loading.", 'start': 1149.886, 'duration': 2.762}, {'end': 1160.435, 'text': "Actually, let's just give it the same 50% width as the mu form, so that way it should automatically pop up in the middle.", 'start': 1152.668, 'duration': 7.767}], 'summary': 'Using form data to capture user input and showing loading image on form submission.', 'duration': 110.633, 'max_score': 1049.802, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1049802.jpg'}], 'start': 398.224, 'title': 'Web development concepts', 'summary': 'Covers database concepts, web page loading process, creating a basic html file, setting up a static file server, adding css, and client-side javascript form handling. it includes the process of web page loading, creating a form for user input, and handling form submission using client-side javascript.', 'chapters': [{'end': 488.435, 'start': 398.224, 'title': 'Database and web page loading process', 'summary': 'Discusses the concept of persistent storage in databases and explains the process of web page loading, including the request to a static file server and the loading of html content into the browser.', 'duration': 90.211, 'highlights': ['The concept of persistent storage in databases is crucial when building applications, allowing for the selection of the most suitable type of database. It ensures data retention and accessibility.', 'The process of web page loading involves a user typing a URL into the browser, making a GET request to a static file server, and receiving the requested file, such as index.html, containing HTML content.', 'The loading of HTML content into the browser occurs after the static file server responds with the requested file, enabling the user to view the web page, demonstrating the initial stage of the full stack process.', 'Setting up the client side is an essential step in the web development process, demonstrating the practical application of the discussed concepts and encouraging code sharing through platforms like GitHub.']}, {'end': 906.637, 'start': 489.215, 'title': 'Creating twitter for cats website', 'summary': "Covers the creation of a basic html file titled 'twitter for cats' with a cat emoji, setting up a static file server using live server, adding a basic css framework called skeleton css, and creating a form for user input using html and css.", 'duration': 417.422, 'highlights': ["Creating a basic HTML file titled 'Twitter for cats' with a cat emoji The speaker creates a basic HTML file titled 'Twitter for cats' with a title and a cat emoji.", 'Setting up a static file server using live server The speaker sets up a static file server using live server to serve the HTML file and automatically refreshes the changes made to the file.', 'Adding a basic CSS framework called Skeleton CSS The speaker adds a basic CSS framework called Skeleton CSS to the HTML file, which automatically applies styles to make the website look better inside the browser.', "Creating a form for user input using HTML and CSS The speaker creates a form for user input using HTML and CSS, including input fields for the user's name and content, and a button to submit the form."]}, {'end': 1309.255, 'start': 906.657, 'title': 'Client-side javascript and form handling', 'summary': 'Discusses client-side javascript form handling, including using document.queryselector to reference form elements, adding event listeners for form submission, preventing default form actions, using form data to grab user input, and displaying/hiding a loading image upon form submission.', 'duration': 402.598, 'highlights': ["Using document.querySelector to reference form elements and differentiate between client-side and server-side JavaScript. The speaker explains the use of document.querySelector to reference form elements and differentiates between client-side and server-side JavaScript by mentioning that anytime 'document' is used, it is client-side JavaScript.", 'Adding event listeners for form submission and preventing default form actions using preventDefault. The speaker demonstrates adding an event listener for form submission and preventing default form actions using preventDefault to handle the form with JavaScript instead of automatically sending the data somewhere.', 'Using form data to grab user input and displaying/hiding a loading image upon form submission. The speaker utilizes form data to grab user input and shows the process of displaying and hiding a loading image upon form submission, enhancing the user experience.', 'Explaining the usage of QuerySelector for selecting elements on the page. The speaker explains the usage of QuerySelector for selecting elements on the page, mentioning its convenience and familiarity, and compares it to other methods like getElementById and jQuery.']}], 'duration': 911.031, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk398224.jpg', 'highlights': ['The process of web page loading involves a user typing a URL into the browser, making a GET request to a static file server, and receiving the requested file, such as index.html, containing HTML content.', "Creating a form for user input using HTML and CSS, including input fields for the user's name and content, and a button to submit the form.", 'Using document.querySelector to reference form elements and differentiate between client-side and server-side JavaScript.', 'Adding event listeners for form submission and preventing default form actions using preventDefault to handle the form with JavaScript instead of automatically sending the data somewhere.']}, {'end': 1913.048, 'segs': [{'end': 1361.912, 'src': 'embed', 'start': 1332.901, 'weight': 0, 'content': [{'end': 1335.224, 'text': 'because the browser does have to download the CSS file.', 'start': 1332.901, 'duration': 2.323}, {'end': 1340.011, 'text': "But once it's downloaded the CSS file and it's up and going, you're good to go there.", 'start': 1335.545, 'duration': 4.466}, {'end': 1345.938, 'text': "And a mental note, I don't think we need to do this now, but people are in love with your color themes.", 'start': 1341.193, 'duration': 4.745}, {'end': 1349.862, 'text': 'I noticed the console in the browser was like a dark theme.', 'start': 1346.158, 'duration': 3.704}, {'end': 1355.368, 'text': "so maybe you, a little bit at the end, maybe you could show us what fonts, themes, settings and stuff you're using.", 'start': 1349.862, 'duration': 5.506}, {'end': 1355.809, 'text': 'Definitely, definitely.', 'start': 1355.388, 'duration': 0.421}, {'end': 1359.531, 'text': 'And so I totally glossed over this.', 'start': 1356.429, 'duration': 3.102}, {'end': 1361.912, 'text': 'So on my channel, I talk about Vue.js.', 'start': 1359.551, 'duration': 2.361}], 'summary': 'Css file downloaded, browser console dark theme, vue.js discussed.', 'duration': 29.011, 'max_score': 1332.901, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1332901.jpg'}, {'end': 1528.553, 'src': 'heatmap', 'start': 1472.452, 'weight': 0.825, 'content': [{'end': 1475.314, 'text': "So I'm going to initialize this with a package JSON.", 'start': 1472.452, 'duration': 2.862}, {'end': 1479.156, 'text': 'So npm-y just gives it all of my defaults.', 'start': 1476.275, 'duration': 2.881}, {'end': 1481.036, 'text': 'It tells it my name, gives it my default license.', 'start': 1479.176, 'duration': 1.86}, {'end': 1483.837, 'text': 'And then we need a couple of packages.', 'start': 1481.957, 'duration': 1.88}, {'end': 1485.878, 'text': 'So specifically,', 'start': 1484.117, 'duration': 1.761}, {'end': 1494.58, 'text': "we're going to be using Express as our framework to listen for requests that come from the client and then respond with the appropriate data.", 'start': 1485.878, 'duration': 8.702}, {'end': 1501.682, 'text': "We're also going to be using a middleware library called Morgan, which will log all of the incoming requests,", 'start': 1495.38, 'duration': 6.302}, {'end': 1504.383, 'text': "so we can kind of debug what's happening on the server.", 'start': 1501.682, 'duration': 2.701}, {'end': 1508.098, 'text': "So we're going to install Express and Morgan.", 'start': 1505.224, 'duration': 2.874}, {'end': 1522.77, 'text': 'Awesome So those two things installed.', 'start': 1521.349, 'duration': 1.421}, {'end': 1524.331, 'text': 'Now we can set up our server.', 'start': 1523.17, 'duration': 1.161}, {'end': 1528.553, 'text': "So on the server, new file, let's call this index.js.", 'start': 1524.351, 'duration': 4.202}], 'summary': 'Initializing package json, installing express and morgan for server setup.', 'duration': 56.101, 'max_score': 1472.452, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1472452.jpg'}, {'end': 1522.77, 'src': 'embed', 'start': 1485.878, 'weight': 1, 'content': [{'end': 1494.58, 'text': "we're going to be using Express as our framework to listen for requests that come from the client and then respond with the appropriate data.", 'start': 1485.878, 'duration': 8.702}, {'end': 1501.682, 'text': "We're also going to be using a middleware library called Morgan, which will log all of the incoming requests,", 'start': 1495.38, 'duration': 6.302}, {'end': 1504.383, 'text': "so we can kind of debug what's happening on the server.", 'start': 1501.682, 'duration': 2.701}, {'end': 1508.098, 'text': "So we're going to install Express and Morgan.", 'start': 1505.224, 'duration': 2.874}, {'end': 1522.77, 'text': 'Awesome So those two things installed.', 'start': 1521.349, 'duration': 1.421}], 'summary': 'Using express framework and morgan middleware for logging requests on the server.', 'duration': 36.892, 'max_score': 1485.878, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1485878.jpg'}, {'end': 1632.099, 'src': 'heatmap', 'start': 1578.428, 'weight': 0.769, 'content': [{'end': 1584.57, 'text': 'listening on http://localhost 5000.', 'start': 1578.428, 'duration': 6.142}, {'end': 1591.572, 'text': 'Cool And so if I run this, we should get a server that starts listening on port 5000.', 'start': 1584.57, 'duration': 7.002}, {'end': 1595.773, 'text': "So before I start it, in my package JSON, I'm going to add a start script.", 'start': 1591.572, 'duration': 4.201}, {'end': 1601.495, 'text': 'So this is basically where you can put the command that should actually start up your server.', 'start': 1596.173, 'duration': 5.322}, {'end': 1604.116, 'text': "In this case, it's node index.js.", 'start': 1601.735, 'duration': 2.381}, {'end': 1607.837, 'text': 'And by doing this, now in the terminal, I can just do npm start.', 'start': 1604.696, 'duration': 3.141}, {'end': 1610.439, 'text': 'And that will start up my server on port 5000.', 'start': 1608.377, 'duration': 2.062}, {'end': 1613.142, 'text': "So if we take a look at it right now, it's nothing.", 'start': 1610.439, 'duration': 2.703}, {'end': 1615.825, 'text': 'So we have a blink back-end application.', 'start': 1613.242, 'duration': 2.583}, {'end': 1616.986, 'text': "It doesn't have any routes.", 'start': 1615.865, 'duration': 1.121}, {'end': 1619.369, 'text': 'So when I try to request it, it just says cannot get that.', 'start': 1617.086, 'duration': 2.283}, {'end': 1624.694, 'text': "And so basically, we're going to start defining what happens when a client makes requests to this server.", 'start': 1619.989, 'duration': 4.705}, {'end': 1627.336, 'text': "So let's look at our checklist.", 'start': 1625.715, 'duration': 1.621}, {'end': 1629.117, 'text': 'We created the server folder.', 'start': 1627.776, 'duration': 1.341}, {'end': 1630.058, 'text': 'We initialized it.', 'start': 1629.137, 'duration': 0.921}, {'end': 1631.078, 'text': 'We installed dependencies.', 'start': 1630.078, 'duration': 1}, {'end': 1632.099, 'text': 'We have our basic setup.', 'start': 1631.098, 'duration': 1.001}], 'summary': 'Setting up a server on port 5000 using npm start command for a backend application.', 'duration': 53.671, 'max_score': 1578.428, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1578428.jpg'}, {'end': 1710.743, 'src': 'embed', 'start': 1685.888, 'weight': 4, 'content': [{'end': 1691.251, 'text': "Now, in this diagram, that's with our static file server, but the exact same thing is going to happen with our back-end server.", 'start': 1685.888, 'duration': 5.363}, {'end': 1697.695, 'text': 'So our client eventually will be making a git request to our dynamic server.', 'start': 1691.331, 'duration': 6.364}, {'end': 1700.937, 'text': "It's going to say, I want to git all mus.", 'start': 1697.715, 'duration': 3.222}, {'end': 1703.639, 'text': 'And the dynamic server will do some processing.', 'start': 1701.838, 'duration': 1.801}, {'end': 1704.759, 'text': "It'll talk to the database.", 'start': 1703.679, 'duration': 1.08}, {'end': 1710.743, 'text': 'And then ultimately, this thing will respond with a big JSON object, or probably actually an array.', 'start': 1704.999, 'duration': 5.744}], 'summary': 'Client sends git request to dynamic server for data processing, leading to a json response.', 'duration': 24.855, 'max_score': 1685.888, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1685888.jpg'}, {'end': 1840.161, 'src': 'embed', 'start': 1812.863, 'weight': 2, 'content': [{'end': 1818.606, 'text': 'So as I was mentioning, these two variables represent that incoming request and the outgoing response.', 'start': 1812.863, 'duration': 5.743}, {'end': 1821.327, 'text': "So I'm going to rename these to rec and res.", 'start': 1818.626, 'duration': 2.701}, {'end': 1824.089, 'text': "And here's what we say.", 'start': 1822.828, 'duration': 1.261}, {'end': 1830.473, 'text': 'So when the client makes a get request on the slash route, we want to respond with some JSON.', 'start': 1824.129, 'duration': 6.344}, {'end': 1836.256, 'text': "In this case, I'm just going to pass in a message, and it says meow-er.", 'start': 1830.493, 'duration': 5.763}, {'end': 1840.161, 'text': "And we'll throw in an emoji like a laughing cat.", 'start': 1836.977, 'duration': 3.184}], 'summary': 'Renamed variables rec and res for handling get request on slash route, responding with json and adding a message and an emoji.', 'duration': 27.298, 'max_score': 1812.863, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1812863.jpg'}, {'end': 1896.743, 'src': 'heatmap', 'start': 1840.462, 'weight': 0.771, 'content': [{'end': 1842.625, 'text': 'Cool So we now have our server set up.', 'start': 1840.462, 'duration': 2.163}, {'end': 1845.969, 'text': 'When it receives a git request on slash, respond with a JSON object.', 'start': 1842.765, 'duration': 3.204}, {'end': 1847.071, 'text': "Let's try it.", 'start': 1846.43, 'duration': 0.641}, {'end': 1847.912, 'text': 'So we go to the browser.', 'start': 1847.111, 'duration': 0.801}, {'end': 1851.837, 'text': 'We now request the data from our server, which is on port 5000.', 'start': 1848.052, 'duration': 3.785}, {'end': 1852.317, 'text': 'Nothing happens.', 'start': 1851.837, 'duration': 0.48}, {'end': 1861.02, 'text': "So when you're working with Node.js, if you ever modify the files, you have to actually kill the server and then restart it, and then it should work.", 'start': 1852.497, 'duration': 8.523}, {'end': 1863.401, 'text': 'So we make the request, and we get the data back.', 'start': 1861.16, 'duration': 2.241}, {'end': 1871.224, 'text': "But while I'm thinking about it, there's this handy tool called Node Mom, which will automatically refresh every time I change the server.", 'start': 1864.161, 'duration': 7.063}, {'end': 1881.487, 'text': "And I'll install that and basically I'll run it and any time I change files on the server it'll automatically restart and we should see those changes when we make requests to it.", 'start': 1872.964, 'duration': 8.523}, {'end': 1884.834, 'text': 'So nodemon is installed.', 'start': 1882.972, 'duration': 1.862}, {'end': 1887.095, 'text': "I'm going to add a new script in my package JSON.", 'start': 1884.854, 'duration': 2.241}, {'end': 1894.721, 'text': "So I'm going to create a dev script, nodemon, and just do the same thing.", 'start': 1887.155, 'duration': 7.566}, {'end': 1896.743, 'text': 'So tell nodemon to run against that file.', 'start': 1894.761, 'duration': 1.982}], 'summary': 'Set up server to respond with json object. used nodemon for automatic server refresh.', 'duration': 56.281, 'max_score': 1840.462, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1840462.jpg'}, {'end': 1894.721, 'src': 'embed', 'start': 1861.16, 'weight': 3, 'content': [{'end': 1863.401, 'text': 'So we make the request, and we get the data back.', 'start': 1861.16, 'duration': 2.241}, {'end': 1871.224, 'text': "But while I'm thinking about it, there's this handy tool called Node Mom, which will automatically refresh every time I change the server.", 'start': 1864.161, 'duration': 7.063}, {'end': 1881.487, 'text': "And I'll install that and basically I'll run it and any time I change files on the server it'll automatically restart and we should see those changes when we make requests to it.", 'start': 1872.964, 'duration': 8.523}, {'end': 1884.834, 'text': 'So nodemon is installed.', 'start': 1882.972, 'duration': 1.862}, {'end': 1887.095, 'text': "I'm going to add a new script in my package JSON.", 'start': 1884.854, 'duration': 2.241}, {'end': 1894.721, 'text': "So I'm going to create a dev script, nodemon, and just do the same thing.", 'start': 1887.155, 'duration': 7.566}], 'summary': 'Use node mom tool to automatically refresh server, making file changes visible when making requests.', 'duration': 33.561, 'max_score': 1861.16, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1861160.jpg'}], 'start': 1309.255, 'title': 'Css frameworks and node.js server setup', 'summary': 'Discusses the impact of css frameworks on performance, emphasizing the time required for css file download and its impact on page performance. it also covers setting up a node.js server, including installing express and morgan, creating routes, and using nodemon for automatic server refresh, with a focus on differentiating between front-end and back-end servers.', 'chapters': [{'end': 1349.862, 'start': 1309.255, 'title': 'Impact of css frameworks on performance', 'summary': 'Discusses the impact of using a css framework on performance, addressing concerns about page speed and style loading time, with emphasis on the time required for css file download and its subsequent impact on page performance.', 'duration': 40.607, 'highlights': ['The time required for the browser to download the CSS file impacts the loading time of styles on the page, although once the file is downloaded and operational, the page performance is not significantly affected.', 'Considerations about using CSS frameworks should be made regarding the time it takes for styles to kick in after the file is downloaded, but it does not significantly slow down the page performance.', 'The mention of using color themes in the browser console indicates a potential interest in exploring and implementing aesthetic features, which could be considered in future development.']}, {'end': 1913.048, 'start': 1349.862, 'title': 'Setting up a node.js server', 'summary': 'Covers setting up a node.js server, including installing express and morgan, creating routes, and using nodemon for automatic server refresh, with a focus on differentiating between front-end and back-end servers.', 'duration': 563.186, 'highlights': ['Setting up a Node.js server and installing Express and Morgan The speaker explains the process of setting up a Node.js server and installing Express and Morgan as middleware libraries to log incoming requests.', 'Creating routes and defining responses The chapter details the creation of routes and the definition of responses using Express, such as responding with a JSON object when a GET request is made on the slash route.', 'Using nodemon for automatic server refresh The speaker demonstrates the use of nodemon, a tool for automatic server refresh, by setting it up in the package JSON and running it for automatic server restarts upon file changes.', 'Differentiating between front-end and back-end servers The speaker emphasizes the differentiation between front-end and back-end servers, highlighting the benefits of keeping static files on a separate server for efficient content delivery.']}], 'duration': 603.793, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1309255.jpg', 'highlights': ['The time required for the browser to download the CSS file impacts the loading time of styles on the page, although once the file is downloaded and operational, the page performance is not significantly affected.', 'Setting up a Node.js server and installing Express and Morgan The speaker explains the process of setting up a Node.js server and installing Express and Morgan as middleware libraries to log incoming requests.', 'Creating routes and defining responses The chapter details the creation of routes and the definition of responses using Express, such as responding with a JSON object when a GET request is made on the slash route.', 'Using nodemon for automatic server refresh The speaker demonstrates the use of nodemon, a tool for automatic server refresh, by setting it up in the package JSON and running it for automatic server restarts upon file changes.', 'Differentiating between front-end and back-end servers The speaker emphasizes the differentiation between front-end and back-end servers, highlighting the benefits of keeping static files on a separate server for efficient content delivery.']}, {'end': 2562.243, 'segs': [{'end': 2002.664, 'src': 'embed', 'start': 1976.655, 'weight': 0, 'content': [{'end': 1982.9, 'text': 'So when the server receives a post request on slash muse, we are going to run this request handler.', 'start': 1976.655, 'duration': 6.245}, {'end': 1988.134, 'text': 'And for now, I am just going to log the request body, rec.body.', 'start': 1983.891, 'duration': 4.243}, {'end': 1989.095, 'text': "Let's log it.", 'start': 1988.374, 'duration': 0.721}, {'end': 1997.56, 'text': 'And what should happen is when some incoming post request happens to my server, it will log out whatever the client sent to us.', 'start': 1990.876, 'duration': 6.684}, {'end': 2002.664, 'text': "Cool So now let's get that going on the client side.", 'start': 2000.002, 'duration': 2.662}], 'summary': 'Server logs incoming post request body for slash muse endpoint.', 'duration': 26.009, 'max_score': 1976.655, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1976655.jpg'}, {'end': 2102.819, 'src': 'embed', 'start': 2075.757, 'weight': 1, 'content': [{'end': 2084.224, 'text': "So we need to tell it What are we sending it? In this case, we'll specify the content type header, and we'll say application JSON.", 'start': 2075.757, 'duration': 8.467}, {'end': 2089.868, 'text': "So we're telling the server, hey server, in the body of my request is JSON.", 'start': 2084.864, 'duration': 5.004}, {'end': 2091.188, 'text': "Right now it's actually not.", 'start': 2090.329, 'duration': 0.859}, {'end': 2096.714, 'text': 'So right now it is a JavaScript object, but to turn it into JSON we have to use JSON.stringify.', 'start': 2091.228, 'duration': 5.486}, {'end': 2102.819, 'text': 'And this will actually take that object, turn it into something that the server can parse and understand,', 'start': 2097.675, 'duration': 5.144}], 'summary': 'Specify content type as application json to send json data to the server.', 'duration': 27.062, 'max_score': 2075.757, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2075757.jpg'}, {'end': 2241.125, 'src': 'embed', 'start': 2214.534, 'weight': 3, 'content': [{'end': 2222.138, 'text': 'But in this case, we are going to use a package on the backend which will automatically add this header, this access control allow origin header.', 'start': 2214.534, 'duration': 7.604}, {'end': 2227.021, 'text': "So in our server folder here, I'm going to install cores.", 'start': 2222.258, 'duration': 4.763}, {'end': 2232.237, 'text': 'So this is a npm package, which is an express middleware.', 'start': 2228.373, 'duration': 3.864}, {'end': 2238.002, 'text': "And then in our server side, so first, before we move on, let's clarify where we are.", 'start': 2232.957, 'duration': 5.045}, {'end': 2241.125, 'text': 'See the CORS error, revel in this moment.', 'start': 2239.464, 'duration': 1.661}], 'summary': "Using the 'cores' npm package as an express middleware to automatically add 'access control allow origin' header on the backend.", 'duration': 26.591, 'max_score': 2214.534, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2214534.jpg'}, {'end': 2354.223, 'src': 'embed', 'start': 2302.411, 'weight': 2, 'content': [{'end': 2308.615, 'text': "So another thing that you have to do on the server side is add a middleware that's going to parse incoming data.", 'start': 2302.411, 'duration': 6.204}, {'end': 2316.066, 'text': 'So right now in the client, we can see on network that This POST request is attempting to happen.', 'start': 2308.635, 'duration': 7.431}, {'end': 2318.407, 'text': "So it's making a request here.", 'start': 2316.666, 'duration': 1.741}, {'end': 2320.008, 'text': "It's sending this data.", 'start': 2318.907, 'duration': 1.101}, {'end': 2324.571, 'text': "So we are sending it from the client, but the server can't process it.", 'start': 2320.808, 'duration': 3.763}, {'end': 2328.293, 'text': 'So for this, we actually need to add the body parser middleware.', 'start': 2324.951, 'duration': 3.342}, {'end': 2332.876, 'text': 'And this is built into Express, so I can use express.json.', 'start': 2328.313, 'duration': 4.563}, {'end': 2338.699, 'text': 'And this is a JSON body parser.', 'start': 2334.056, 'duration': 4.643}, {'end': 2346.999, 'text': 'So any incoming request that has a content type of application JSON will be parsed by this middleware and then put on the body.', 'start': 2338.939, 'duration': 8.06}, {'end': 2349.761, 'text': 'So now we actually should get access to rec.body.', 'start': 2347.059, 'duration': 2.702}, {'end': 2350.601, 'text': "Let's try.", 'start': 2350.221, 'duration': 0.38}, {'end': 2354.223, 'text': 'Okay So name is cj, mu is hello world.', 'start': 2350.621, 'duration': 3.602}], 'summary': 'Server needs middleware for parsing incoming json data, enabling access to request body.', 'duration': 51.812, 'max_score': 2302.411, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2302411.jpg'}, {'end': 2552.056, 'src': 'embed', 'start': 2523.359, 'weight': 5, 'content': [{'end': 2525.84, 'text': "So you kind of don't have to do all that code manually in your code.", 'start': 2523.359, 'duration': 2.481}, {'end': 2528.761, 'text': "Definitely So there is, it's literally called Express Validator.", 'start': 2525.86, 'duration': 2.901}, {'end': 2530.241, 'text': 'You can search it on NPM.', 'start': 2529.201, 'duration': 1.04}, {'end': 2532.341, 'text': "And there's probably a lot of other ones out there.", 'start': 2530.781, 'duration': 1.56}, {'end': 2537.982, 'text': 'But these are various libraries that just make it a little bit easier to do validation on incoming requests.', 'start': 2533.101, 'duration': 4.881}, {'end': 2539.363, 'text': 'So this is a pretty popular one.', 'start': 2538.283, 'duration': 1.08}, {'end': 2542.07, 'text': 'Maybe this is not the one.', 'start': 2541.089, 'duration': 0.981}, {'end': 2545.612, 'text': 'But yes, there are packages that will do that for you.', 'start': 2543.25, 'duration': 2.362}, {'end': 2552.056, 'text': "And then also, on my stream before, I've used something called Joy, which is.", 'start': 2546.252, 'duration': 5.804}], 'summary': 'Express validator simplifies code for request validation, a popular package on npm.', 'duration': 28.697, 'max_score': 2523.359, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2523359.jpg'}], 'start': 1913.826, 'title': 'Server setup and cors error fix', 'summary': 'Details setting up a basic server to respond to incoming requests, creating a route to log incoming client data, using fetch to send data, and fixing cors error by installing cors package, adding body parser middleware, and discussing data validation.', 'chapters': [{'end': 2148.675, 'start': 1913.826, 'title': 'Setting up server and sending data', 'summary': 'Details setting up a basic server to respond to incoming requests and creating a route to receive and log incoming data from the client, including the use of fetch to send data to the server and specifying headers for the request.', 'duration': 234.849, 'highlights': ["Creating a route to receive and log incoming data from the client The chapter explains the process of creating a route on the server to receive incoming post requests and log the request body, demonstrating the server's ability to receive and process data from the client.", 'Using fetch to send data to the server with specified headers It describes the use of fetch to send data from the client to the server, including setting the method to post, specifying the request body as JSON, and using JSON.stringify to format the data for the server to parse and understand.', 'Setting up a basic server to respond to incoming requests The chapter covers the process of setting up a basic server that can respond to incoming requests, indicating the initial step in establishing the server-client communication.']}, {'end': 2562.243, 'start': 2149.696, 'title': 'Fixing cors error with express middleware', 'summary': 'Covers resolving the cors error by installing and using the cors package as an express middleware, adding a body parser middleware, and discussing data validation, including potential libraries like express validator and joy.', 'duration': 412.547, 'highlights': ['The chapter covers resolving the CORS error by installing and using the CORS package as an Express middleware By installing the CORS package as an Express middleware, any incoming request to the server will automatically have the necessary CORS headers added, resolving the access control issue.', 'Adding a body parser middleware to process incoming data The server needs to include a body parser middleware to parse incoming requests with a content type of application JSON, allowing access to the request body for processing.', 'Discussion on data validation and potential libraries like Express Validator and Joy The transcript includes a discussion on the importance of data validation on incoming requests and mentions potential libraries like Express Validator and Joy that can simplify the validation process.']}], 'duration': 648.417, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk1913826.jpg', 'highlights': ["Creating a route to receive and log incoming data from the client The chapter explains the process of creating a route on the server to receive incoming post requests and log the request body, demonstrating the server's ability to receive and process data from the client.", 'Using fetch to send data to the server with specified headers It describes the use of fetch to send data from the client to the server, including setting the method to post, specifying the request body as JSON, and using JSON.stringify to format the data for the server to parse and understand.', 'Setting up a basic server to respond to incoming requests The chapter covers the process of setting up a basic server that can respond to incoming requests, indicating the initial step in establishing the server-client communication.', 'The chapter covers resolving the CORS error by installing and using the CORS package as an Express middleware By installing the CORS package as an Express middleware, any incoming request to the server will automatically have the necessary CORS headers added, resolving the access control issue.', 'Adding a body parser middleware to process incoming data The server needs to include a body parser middleware to parse incoming requests with a content type of application JSON, allowing access to the request body for processing.', 'Discussion on data validation and potential libraries like Express Validator and Joy The transcript includes a discussion on the importance of data validation on incoming requests and mentions potential libraries like Express Validator and Joy that can simplify the validation process.']}, {'end': 3468.656, 'segs': [{'end': 2593.654, 'src': 'embed', 'start': 2562.623, 'weight': 0, 'content': [{'end': 2566.348, 'text': 'another framework very similar to Express, but you just do things a little bit differently.', 'start': 2562.623, 'duration': 3.725}, {'end': 2574.217, 'text': "But Joy is a really cool library because you can do object schema validation and make sure something is a string and it's alphanumeric,", 'start': 2566.888, 'duration': 7.329}, {'end': 2576.48, 'text': 'and it has a very nice way of defining it.', 'start': 2574.217, 'duration': 2.263}, {'end': 2580.465, 'text': "I actually found one called, I think it's called Yup, which was based on Joy.", 'start': 2576.5, 'duration': 3.965}, {'end': 2583.672, 'text': 'But yes, there are lots of them.', 'start': 2581.571, 'duration': 2.101}, {'end': 2588.553, 'text': "Initially, when you're getting started, I like to just show this to show what's happening.", 'start': 2584.832, 'duration': 3.721}, {'end': 2593.654, 'text': 'But absolutely, if you have an object that has 10 properties, you probably want to use some library like this.', 'start': 2588.733, 'duration': 4.921}], 'summary': 'Joy is a library for object schema validation, including string and alphanumeric, with a nice definition. useful for objects with many properties.', 'duration': 31.031, 'max_score': 2562.623, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2562623.jpg'}, {'end': 2642.185, 'src': 'embed', 'start': 2617.087, 'weight': 1, 'content': [{'end': 2622.151, 'text': "Yes But I don't, well, they're talking about secure those routes, form validations.", 'start': 2617.087, 'duration': 5.064}, {'end': 2623.692, 'text': 'You talked about form validation.', 'start': 2622.191, 'duration': 1.501}, {'end': 2624.873, 'text': 'So yeah, and like.', 'start': 2623.952, 'duration': 0.921}, {'end': 2627.295, 'text': "What's missing here in terms of security, I guess.", 'start': 2624.893, 'duration': 2.402}, {'end': 2631.938, 'text': "Definitely So the main thing is you always want to validate what you're putting into your database.", 'start': 2627.455, 'duration': 4.483}, {'end': 2633.039, 'text': "And I'm doing that right here.", 'start': 2631.998, 'duration': 1.041}, {'end': 2636.241, 'text': "I'm making sure that the data they're sending us has a name and has some content.", 'start': 2633.079, 'duration': 3.162}, {'end': 2642.185, 'text': "And then the other thing I'm doing, which I kind of glossed over, is whatever they're sending us, I'm saying to string.", 'start': 2636.981, 'duration': 5.204}], 'summary': 'Emphasizing secure route, form validation, and database input validation.', 'duration': 25.098, 'max_score': 2617.087, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2617087.jpg'}, {'end': 2671.274, 'src': 'embed', 'start': 2647.268, 'weight': 3, 'content': [{'end': 2654.97, 'text': "if they tried to send us a nested object instead of just a string, and I didn't say toString, we could potentially put that into our database.", 'start': 2647.268, 'duration': 7.702}, {'end': 2656.53, 'text': 'So you want to be very careful there.', 'start': 2655.21, 'duration': 1.32}, {'end': 2660.591, 'text': "The main thing is, if you're dealing with receiving data from a client,", 'start': 2657.431, 'duration': 3.16}, {'end': 2664.492, 'text': "you always want to do validation and you always want to be very careful about what you're putting into your database.", 'start': 2660.591, 'duration': 3.901}, {'end': 2671.274, 'text': "They are correct in that I haven't done any validation on the client side, but as long as I'm doing it on the server side,", 'start': 2665.893, 'duration': 5.381}], 'summary': 'Always validate client data and be cautious about database input.', 'duration': 24.006, 'max_score': 2647.268, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2647268.jpg'}, {'end': 2730.678, 'src': 'embed', 'start': 2686.216, 'weight': 2, 'content': [{'end': 2696.285, 'text': "we don't have time, but if I do send it good data, Then it logged it out and now we're ready to insert it into a database.", 'start': 2686.216, 'duration': 10.069}, {'end': 2697.767, 'text': "So let's look at our checklist.", 'start': 2696.505, 'duration': 1.262}, {'end': 2700.771, 'text': 'We have validated the name and content.', 'start': 2698.388, 'duration': 2.383}, {'end': 2701.713, 'text': 'It must be a string.', 'start': 2700.811, 'duration': 0.902}, {'end': 2702.514, 'text': "It's not empty.", 'start': 2701.753, 'duration': 0.761}, {'end': 2705.218, 'text': "If it's not valid, we're responding with a 422 error.", 'start': 2703.656, 'duration': 1.562}, {'end': 2710.183, 'text': 'And we are making sure that it has name and content.', 'start': 2707.921, 'duration': 2.262}, {'end': 2712.725, 'text': 'Now we want to put this thing into a database.', 'start': 2710.643, 'duration': 2.082}, {'end': 2715.547, 'text': "So for the database, I'm going to be using MongoDB.", 'start': 2712.845, 'duration': 2.702}, {'end': 2718.769, 'text': 'And there are a lot of libraries for talking to MongoDB.', 'start': 2716.607, 'duration': 2.162}, {'end': 2722.471, 'text': "Specifically, the library I'm going to be using is called Monk.", 'start': 2718.889, 'duration': 3.582}, {'end': 2724.613, 'text': "It's very simple, very easy to interact with.", 'start': 2722.611, 'duration': 2.002}, {'end': 2729.076, 'text': 'A really popular one people use is called Mongoose, but this is way simpler to get set up.', 'start': 2725.353, 'duration': 3.723}, {'end': 2730.678, 'text': "So I'm going to install a package called Monk.", 'start': 2729.116, 'duration': 1.562}], 'summary': 'Validated and logged data, now ready to insert into mongodb using monk.', 'duration': 44.462, 'max_score': 2686.216, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2686216.jpg'}, {'end': 2879.962, 'src': 'embed', 'start': 2853.029, 'weight': 5, 'content': [{'end': 2856.551, 'text': 'So we basically are just connecting directly to the database.', 'start': 2853.029, 'duration': 3.522}, {'end': 2860.933, 'text': "If it doesn't exist, we're creating that collection.", 'start': 2858.952, 'duration': 1.981}, {'end': 2865.115, 'text': 'Awesome So now Muse is a collection inside of our database.', 'start': 2861.273, 'duration': 3.842}, {'end': 2870.097, 'text': "And here, after we've done all of our validation, we want to insert it into the database.", 'start': 2865.735, 'duration': 4.362}, {'end': 2872.098, 'text': "So let's just do Muse.insert.", 'start': 2870.198, 'duration': 1.9}, {'end': 2876.921, 'text': 'And specifically, if you want to know how to use MonkMore, you can look at their documentation.', 'start': 2873.459, 'duration': 3.462}, {'end': 2879.962, 'text': "There's all kinds of methods like insert and update and find.", 'start': 2876.941, 'duration': 3.021}], 'summary': 'Connecting to database, creating collection, and inserting data using muse.insert.', 'duration': 26.933, 'max_score': 2853.029, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2853029.jpg'}, {'end': 3000.884, 'src': 'heatmap', 'start': 2894.51, 'weight': 0.873, 'content': [{'end': 2897.752, 'text': "We'll pass in the created new and let's see what happens.", 'start': 2894.51, 'duration': 3.242}, {'end': 2902.016, 'text': "So, um, Let's back up a little bit.", 'start': 2897.892, 'duration': 4.124}, {'end': 2907.678, 'text': 'We are listening for when the client is sending a post request to this URL.', 'start': 2902.536, 'duration': 5.142}, {'end': 2909.398, 'text': "They're sending us data.", 'start': 2908.418, 'duration': 0.98}, {'end': 2912.038, 'text': "We're gonna validate it before we insert it into our database.", 'start': 2909.458, 'duration': 2.58}, {'end': 2912.999, 'text': "We'll create the object.", 'start': 2912.099, 'duration': 0.9}, {'end': 2917.6, 'text': 'Then using our existing collection here, we will insert it in.', 'start': 2913.459, 'duration': 4.141}, {'end': 2922.481, 'text': "And then once it's inserted, we're going to respond with what was just inserted.", 'start': 2918.4, 'duration': 4.081}, {'end': 2923.861, 'text': 'So save that.', 'start': 2922.721, 'duration': 1.14}, {'end': 2927.282, 'text': "Let's check some boxes and then we'll check to make sure it works.", 'start': 2923.881, 'duration': 3.401}, {'end': 2935.568, 'text': "Cool Oh, and one thing I forgot is before we insert it, let's also give it a created date so we can actually show whenever these mus were created.", 'start': 2928.422, 'duration': 7.146}, {'end': 2938.41, 'text': "So for this, I'm just going to say created is a new date.", 'start': 2935.628, 'duration': 2.782}, {'end': 2943.253, 'text': "Cool We've inserted it.", 'start': 2939.771, 'duration': 3.482}, {'end': 2946.096, 'text': "We've responded with it.", 'start': 2944.154, 'duration': 1.942}, {'end': 2951.24, 'text': "And as long as I've done everything right, we should be actually inserting it into my database.", 'start': 2946.896, 'duration': 4.344}, {'end': 2954.022, 'text': 'So now back to the front end.', 'start': 2952.102, 'duration': 1.92}, {'end': 2957.543, 'text': 'So if you remember, this was all initiated by this POST request here.', 'start': 2954.062, 'duration': 3.481}, {'end': 2967.945, 'text': 'The client is sending our server some data and the server is then inserting it into the database and then now we actually need to do something with it.', 'start': 2957.583, 'duration': 10.362}, {'end': 2970.186, 'text': "So here I'm just going to do a .", 'start': 2968.005, 'duration': 2.181}, {'end': 2979.327, 'text': "then We're going to get back the response, and I know that the response is JSON because my server is responding with JSON.", 'start': 2970.186, 'duration': 9.141}, {'end': 2981.288, 'text': 'So on the client side, I can say res.json.', 'start': 2979.367, 'duration': 1.921}, {'end': 2985.731, 'text': 'And then I get access to the created Mew.', 'start': 2982.428, 'duration': 3.303}, {'end': 2988.433, 'text': "And for now, let's just log it.", 'start': 2987.052, 'duration': 1.381}, {'end': 2992.577, 'text': "So our client will send the request, the server will receive it, and then we'll log it out.", 'start': 2988.493, 'duration': 4.084}, {'end': 2996.28, 'text': "Cool, let's see what happens.", 'start': 2995.439, 'duration': 0.841}, {'end': 3000.884, 'text': 'So now, CJ, my Mew is hello world.', 'start': 2996.82, 'duration': 4.064}], 'summary': "Server validates and inserts client's post request data into the database, with a created date, and responds with the inserted mew in json format.", 'duration': 106.374, 'max_score': 2894.51, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2894510.jpg'}, {'end': 3108.008, 'src': 'embed', 'start': 3080.161, 'weight': 6, 'content': [{'end': 3083.462, 'text': 'One person at least is not familiar with the fetch function.', 'start': 3080.161, 'duration': 3.301}, {'end': 3085.582, 'text': "What's the fetch function doing? Definitely.", 'start': 3083.502, 'duration': 2.08}, {'end': 3090.484, 'text': 'I believe in p5, is it called load JSON? Load JSON is the equivalent, yeah.', 'start': 3085.902, 'duration': 4.582}, {'end': 3095.025, 'text': "Yeah, so if you've ever worked with p5.js, it's a way of requesting data from a server.", 'start': 3090.564, 'duration': 4.461}, {'end': 3096.885, 'text': "So there's load JSON.", 'start': 3095.885, 'duration': 1}, {'end': 3099.586, 'text': "If you've ever worked with jQuery, it's $.", 'start': 3097.025, 'duration': 2.561}, {'end': 3100.406, 'text': 'get or $.', 'start': 3099.586, 'duration': 0.82}, {'end': 3108.008, 'text': "post Essentially, fetch is now built into the browser, and it's a little bit easier way of making requests to a server.", 'start': 3100.406, 'duration': 7.602}], 'summary': "In the discussion, one person is unfamiliar with the fetch function, while comparing it to load json and jquery's get and post methods, highlighting the ease of using fetch for server requests.", 'duration': 27.847, 'max_score': 3080.161, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk3080161.jpg'}], 'start': 2562.623, 'title': 'Server-side data validation', 'summary': 'Discusses the importance of server-side data validation using libraries like joy and yup, preventing injection attacks, and ensuring data integrity before inserting it into a database. it also covers using mongodb and monk to interact with it, including creating a connection, inserting data, and retrieving data, as well as using the fetch function in p5.js for making requests to a server.', 'chapters': [{'end': 2712.725, 'start': 2562.623, 'title': 'Server-side data validation', 'summary': 'Discusses the importance of server-side data validation, including using libraries like joy and yup for object schema validation and preventing injection attacks, as well as ensuring data integrity before inserting it into a database.', 'duration': 150.102, 'highlights': ["The main thing is you always want to validate what you're putting into your database. Emphasizes the importance of validating data before inserting it into the database.", "We have validated the name and content. It must be a string. It's not empty. If it's not valid, we're responding with a 422 error. Outlines the specific validations performed on the name and content fields, including string and non-empty checks, with an appropriate error response if invalid.", "If you're dealing with receiving data from a client, you always want to do validation and you always want to be very careful about what you're putting into your database. Stresses the need for validation when handling data from clients and exercising caution when inserting data into the database.", 'The chapter discusses the importance of server-side data validation, including using libraries like Joy and Yup for object schema validation and preventing injection attacks, as well as ensuring data integrity before inserting it into a database. Provides an overview of the entire chapter, emphasizing the importance of server-side data validation, using Joy and Yup for validation, and ensuring data integrity before insertion into the database.']}, {'end': 3077.101, 'start': 2712.845, 'title': 'Using mongodb and monk for database interaction', 'summary': 'Discusses setting up mongodb and using monk to interact with it, including creating a connection, inserting data, and retrieving data, ultimately demonstrating the insertion of mews into the database and their retrieval on the client side.', 'duration': 364.256, 'highlights': ['The chapter discusses setting up MongoDB and using Monk to interact with it The chapter provides an overview of using MongoDB and Monk for database interaction, emphasizing their simplicity and ease of use.', 'Demonstrating the insertion of Mews into the database and their retrieval on the client side The process of inserting Mews into the database and retrieving them on the client side after a post request is highlighted, showcasing the end-to-end interaction with the database.', "Creating a connection to the database and inserting data The process of creating a connection to the database using Monk and inserting data into the 'Muse' collection is explained, demonstrating the steps involved in interacting with the database."]}, {'end': 3468.656, 'start': 3080.161, 'title': 'Using fetch function to request data', 'summary': 'Discusses using the fetch function in p5.js as an easier way of making requests to a server and demonstrates an example of making a get request to retrieve data from the server and displaying it on the client side.', 'duration': 388.495, 'highlights': ["The fetch function in p5.js is an easier way of making requests to a server compared to load JSON or jQuery's $. get or $.post. The fetch function in p5.js simplifies making requests to a server compared to other methods like load JSON or jQuery's $. get or $.post.", 'Demonstrated making a GET request to retrieve all records from the database and responding with them as an array. A demonstration of making a GET request to retrieve all records from the database and responding with them as an array was shown.', 'Use of fetch to retrieve data from the server and display it on the client side by iterating over the retrieved data and adding it to the page. The usage of fetch to retrieve data from the server and display it on the client side by iterating over the retrieved data and adding it to the page was discussed.']}], 'duration': 906.033, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk2562623.jpg', 'highlights': ['The chapter discusses the importance of server-side data validation, including using libraries like Joy and Yup for object schema validation and preventing injection attacks, as well as ensuring data integrity before inserting it into a database.', "The main thing is you always want to validate what you're putting into your database. Emphasizes the importance of validating data before inserting it into the database.", "We have validated the name and content. It must be a string. It's not empty. If it's not valid, we're responding with a 422 error. Outlines the specific validations performed on the name and content fields, including string and non-empty checks, with an appropriate error response if invalid.", "If you're dealing with receiving data from a client, you always want to do validation and you always want to be very careful about what you're putting into your database. Stresses the need for validation when handling data from clients and exercising caution when inserting data into the database.", 'The chapter discusses setting up MongoDB and using Monk to interact with it The chapter provides an overview of using MongoDB and Monk for database interaction, emphasizing their simplicity and ease of use.', "Creating a connection to the database and inserting data The process of creating a connection to the database using Monk and inserting data into the 'Muse' collection is explained, demonstrating the steps involved in interacting with the database.", "The fetch function in p5.js is an easier way of making requests to a server compared to load JSON or jQuery's $. get or $.post. The fetch function in p5.js simplifies making requests to a server compared to other methods like load JSON or jQuery's $. get or $.post.", 'Use of fetch to retrieve data from the server and display it on the client side by iterating over the retrieved data and adding it to the page. The usage of fetch to retrieve data from the server and display it on the client side by iterating over the retrieved data and adding it to the page was discussed.']}, {'end': 4285.185, 'segs': [{'end': 3513.133, 'src': 'embed', 'start': 3468.696, 'weight': 3, 'content': [{'end': 3474.64, 'text': "So we see the name of the tweet, of the Mew, sorry, not the tweet, the contents of the tweet, and they're all listed on the page here.", 'start': 3468.696, 'duration': 5.944}, {'end': 3478.123, 'text': 'So when the page loads, it makes that request, it adds all of them to the page.', 'start': 3474.68, 'duration': 3.443}, {'end': 3479.724, 'text': 'So that was fixed, awesome.', 'start': 3478.183, 'duration': 1.541}, {'end': 3484.328, 'text': 'But one thing we want to do is also hide this loading spinner after all of the Mews load.', 'start': 3479.984, 'duration': 4.344}, {'end': 3489.432, 'text': "So let's just say loading element dot hide.", 'start': 3484.408, 'duration': 5.024}, {'end': 3491.453, 'text': 'So after the page loads, we get it all there.', 'start': 3489.512, 'duration': 1.941}, {'end': 3494.196, 'text': 'I think I want to add a little bit of styling.', 'start': 3492.574, 'duration': 1.622}, {'end': 3498.84, 'text': "Let's say the Muse here has a width.", 'start': 3494.596, 'duration': 4.244}, {'end': 3505.406, 'text': "So in our styles, let's say Muse, let's say it has a width of like 80%.", 'start': 3499.04, 'duration': 6.366}, {'end': 3509.49, 'text': "So that should like shrink it in a little bit, but we also want to give it automatic margin so it's centered.", 'start': 3505.406, 'duration': 4.084}, {'end': 3513.133, 'text': "There's a good question here.", 'start': 3512.032, 'duration': 1.101}], 'summary': 'Fixing tweet loading and adding styling to mews.', 'duration': 44.437, 'max_score': 3468.696, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk3468696.jpg'}, {'end': 3598.471, 'src': 'embed', 'start': 3572.345, 'weight': 0, 'content': [{'end': 3576.326, 'text': "So this is a security precaution to prevent what's known as cross-site scripting.", 'start': 3572.345, 'duration': 3.981}, {'end': 3582.507, 'text': "But then, yeah, so there's a difference between text content, inner HTML, there's outer HTML.", 'start': 3577.506, 'duration': 5.001}, {'end': 3584.348, 'text': 'Inner HTML and outer HTML are the same.', 'start': 3582.587, 'duration': 1.761}, {'end': 3585.848, 'text': 'Whatever you set it to will get rendered.', 'start': 3584.388, 'duration': 1.46}, {'end': 3590.329, 'text': 'Text content and then inner text probably have the same relationship.', 'start': 3586.688, 'duration': 3.641}, {'end': 3591.609, 'text': "I haven't really used inner text before.", 'start': 3590.349, 'duration': 1.26}, {'end': 3594.19, 'text': 'Cool, but yeah, that was a good question.', 'start': 3593.129, 'duration': 1.061}, {'end': 3598.471, 'text': "Okay, last thing, I'm not showing the date, so let's also show the date.", 'start': 3595.89, 'duration': 2.581}], 'summary': 'Discussion on security precaution to prevent cross-site scripting and differences between inner and outer html content.', 'duration': 26.126, 'max_score': 3572.345, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk3572345.jpg'}, {'end': 3855.868, 'src': 'embed', 'start': 3831.689, 'weight': 1, 'content': [{'end': 3837.715, 'text': 'So there is this package on NPM called bad words, where, basically, before I insert it into the database,', 'start': 3831.689, 'duration': 6.026}, {'end': 3841.337, 'text': 'I could filter it and that way get rid of any nasty words or anything like that.', 'start': 3837.715, 'duration': 3.622}, {'end': 3846.801, 'text': 'And the other thing is to prevent people from spamming my server with a bunch of different mus.', 'start': 3841.637, 'duration': 5.164}, {'end': 3849.683, 'text': "Because I've built this API.", 'start': 3847.762, 'duration': 1.921}, {'end': 3851.665, 'text': "they technically don't have to use this form right?", 'start': 3849.683, 'duration': 1.982}, {'end': 3855.868, 'text': 'They could write some JavaScript that just makes a post request to my server over and over again.', 'start': 3851.685, 'duration': 4.183}], 'summary': 'To filter bad words from input to prevent spamming and misuse of api.', 'duration': 24.179, 'max_score': 3831.689, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk3831689.jpg'}, {'end': 3893.98, 'src': 'embed', 'start': 3867.981, 'weight': 2, 'content': [{'end': 3875.048, 'text': "I guess the last thing is let's just look at the diagram, let's review what we built today, and then we can recap, answer questions and stuff.", 'start': 3867.981, 'duration': 7.067}, {'end': 3878.675, 'text': 'Okay the page loads.', 'start': 3875.629, 'duration': 3.046}, {'end': 3885.897, 'text': 'It initially makes the request to the static file server, which is hosting all of our HTML,', 'start': 3879.315, 'duration': 6.582}, {'end': 3890.119, 'text': 'and it makes the request for index.html and that gets loaded into the browser.', 'start': 3885.897, 'duration': 4.222}, {'end': 3893.98, 'text': 'And then that HTML says, I have a CSS file.', 'start': 3890.859, 'duration': 3.121}], 'summary': 'The page loads, requests index.html from the static file server, and loads a css file.', 'duration': 25.999, 'max_score': 3867.981, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk3867981.jpg'}], 'start': 3468.696, 'title': 'Fixing tweet loading and text content', 'summary': 'Discusses fixing tweet loading and adding styling to mews. it also covers the difference between innertext and textcontent, security implications, deployment, bad word filtering, rate limiting, and working with scripts.', 'chapters': [{'end': 3513.133, 'start': 3468.696, 'title': 'Fixing tweet loading and styling mews', 'summary': 'Discusses fixing the tweet loading issue and adding styling to the mews by hiding the loading spinner after all mews load and adjusting the width and margin of the mews.', 'duration': 44.437, 'highlights': ['The page loads the contents of the tweet and adds them to the page, which was fixed.', 'The loading spinner needs to be hidden after all Mews load.', 'Styling is added to the Mews, setting their width to 80% and giving them automatic margin for centering.']}, {'end': 4285.185, 'start': 3513.714, 'title': 'Difference between innertext and textcontent', 'summary': 'Discusses the difference between innertext and textcontent, the security implications of using textcontent over innerhtml to prevent cross-site scripting, and the deployment of the app, including implementing security measures such as bad word filtering and rate limiting. it also covers the process of loading the page, making requests to servers, and working with scripts.', 'duration': 771.471, 'highlights': ['The main difference is using textContent over innerHTML to prevent cross-site scripting. The speaker explains that the main difference between textContent and innerHTML is to prevent the risk of cross-site scripting, as textContent only displays the HTML text entered by users without rendering it, thus ensuring security.', "Implementing security measures such as bad word filtering and rate limiting for preventing spamming on the server. The speaker mentions the use of packages like 'bad words' and 'Express Rate Limiter' to implement security measures such as bad word filtering and rate limiting to prevent the insertion of inappropriate content and spamming the server with excessive requests.", 'Discussion on the process of loading the page, making requests to servers, and working with scripts. The chapter delves into the process of loading the page, including making requests to servers for fetching and submitting data, and working with scripts to add functionality to the app.']}], 'duration': 816.489, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk3468696.jpg', 'highlights': ['The main difference is using textContent over innerHTML to prevent cross-site scripting.', 'Implementing security measures such as bad word filtering and rate limiting for preventing spamming on the server.', 'Discussion on the process of loading the page, making requests to servers, and working with scripts.', 'The page loads the contents of the tweet and adds them to the page, which was fixed.', 'The loading spinner needs to be hidden after all Mews load.', 'Styling is added to the Mews, setting their width to 80% and giving them automatic margin for centering.']}, {'end': 4849.625, 'segs': [{'end': 4314.694, 'src': 'embed', 'start': 4285.525, 'weight': 0, 'content': [{'end': 4288.227, 'text': 'So the order basically only matters when the app spins up.', 'start': 4285.525, 'duration': 2.702}, {'end': 4291.589, 'text': 'And so it creates this ordered list of things to run.', 'start': 4288.867, 'duration': 2.722}, {'end': 4292.63, 'text': 'OK, so that should do it.', 'start': 4291.629, 'duration': 1.001}, {'end': 4294.471, 'text': 'So now we can request the page all day long.', 'start': 4292.67, 'duration': 1.801}, {'end': 4299.234, 'text': 'But if I say my name is TJ and I say hello world, go.', 'start': 4294.891, 'duration': 4.343}, {'end': 4305.069, 'text': 'So that submitted it, but if I try again within 30 seconds, I get an error or too many requests.', 'start': 4300.386, 'duration': 4.683}, {'end': 4308.751, 'text': 'So this is gonna prevent people from submitting too many things.', 'start': 4305.129, 'duration': 3.622}, {'end': 4314.694, 'text': "And then one thing I'll do is instead of showing the form immediately on the client is just wait 30 seconds before I show it.", 'start': 4308.771, 'duration': 5.923}], 'summary': 'Order of app spin-up creates list of tasks. submission within 30 seconds leads to error. delay in form display by 30 seconds.', 'duration': 29.169, 'max_score': 4285.525, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk4285525.jpg'}, {'end': 4380.679, 'src': 'embed', 'start': 4353.475, 'weight': 2, 'content': [{'end': 4356.297, 'text': "I want to tell it when you're deployed, talk to the deployed database.", 'start': 4353.475, 'duration': 2.822}, {'end': 4357.759, 'text': "So I'm going to do process.env.", 'start': 4356.317, 'duration': 1.442}, {'end': 4363.155, 'text': 'And I can call this whatever I want.', 'start': 4359.674, 'duration': 3.481}, {'end': 4365.555, 'text': "I'm going to be using a deployment tool called now.", 'start': 4363.195, 'duration': 2.36}, {'end': 4369.396, 'text': 'You can specify what are the environment variables that you deploy with.', 'start': 4366.356, 'duration': 3.04}, {'end': 4371.877, 'text': "And in this case, I'm going to create one called mongouri.", 'start': 4369.536, 'duration': 2.341}, {'end': 4377.078, 'text': 'So what this says is if this environment variable is defined, connect to that database.', 'start': 4371.937, 'duration': 5.141}, {'end': 4379.259, 'text': 'Otherwise, connect to the local host one.', 'start': 4377.278, 'duration': 1.981}, {'end': 4380.679, 'text': "So that's our database connection.", 'start': 4379.459, 'duration': 1.22}], 'summary': 'Using process.env to deploy and connect to database using mongouri', 'duration': 27.204, 'max_score': 4353.475, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk4353475.jpg'}, {'end': 4518.997, 'src': 'embed', 'start': 4489.906, 'weight': 3, 'content': [{'end': 4493.029, 'text': "So this specifically is how we're going to deploy our database.", 'start': 4489.906, 'duration': 3.123}, {'end': 4496.933, 'text': 'And now we deploy our backend and tell it to talk to that database.', 'start': 4493.67, 'duration': 3.263}, {'end': 4500.696, 'text': "So to deploy, I'm using a tool called Now.", 'start': 4497.053, 'duration': 3.643}, {'end': 4503.439, 'text': 'You can get it from a website called zeet.co.', 'start': 4501.077, 'duration': 2.362}, {'end': 4505.341, 'text': "It's a really, really easy thing to do.", 'start': 4503.879, 'duration': 1.462}, {'end': 4510.045, 'text': 'You just type Now and it will automatically deploy that either server or client.', 'start': 4505.401, 'duration': 4.644}, {'end': 4518.997, 'text': 'But in this case I want to tell it that my Mongo URI process, environment variable, which I defined right here,', 'start': 4510.986, 'duration': 8.011}], 'summary': 'Deploying the database using now from zeet.co for easy deployment', 'duration': 29.091, 'max_score': 4489.906, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk4489906.jpg'}], 'start': 4285.525, 'title': 'App initialization and deployment with now tool', 'summary': 'Discusses the impact of app initialization order and request limiting within 30 seconds. it also covers the deployment of backend and frontend using the now tool, including environment setup, debugging, and updating code.', 'chapters': [{'end': 4325.881, 'start': 4285.525, 'title': 'App initialization and request limiting', 'summary': 'Discusses the impact of app initialization order, the prevention of too many requests within 30 seconds, and the delayed display of a form after successful submission.', 'duration': 40.356, 'highlights': ['The app initialization order impacts the creation of an ordered list for running processes.', 'Submitting a request within 30 seconds triggers an error due to request limiting.', 'After successful submission, the form is set to unhide after a 30-second timeout.']}, {'end': 4849.625, 'start': 4327.526, 'title': 'Deploying backend and frontend with now tool', 'summary': 'Covers the deployment of backend and frontend using the now tool, including setting up environment variables, deploying the backend, updating the frontend code, and debugging rate limiting issues.', 'duration': 522.099, 'highlights': ['Setting up environment variables for deployment The speaker explains the process of setting up environment variables for deployment, including creating a deployment tool called now and specifying environment variables such as mongouri.', 'Deploying the backend with Now tool The speaker demonstrates deploying the backend using the Now tool, which provides a unique URL for deployment and allows aliasing for easier access.', "Updating frontend code to make requests to the deployed backend The process of updating the frontend code to detect if it's running on localhost and make requests against the backend when deployed is explained.", 'Debugging rate limiting issues and potential solutions The speaker debugs rate limiting issues by inspecting post requests, identifying rate limiting by IP address, and considering potential solutions to the problem.']}], 'duration': 564.1, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk4285525.jpg', 'highlights': ['The app initialization order impacts the creation of an ordered list for running processes.', 'Submitting a request within 30 seconds triggers an error due to request limiting.', 'Setting up environment variables for deployment The speaker explains the process of setting up environment variables for deployment, including creating a deployment tool called now and specifying environment variables such as mongouri.', 'Deploying the backend with Now tool The speaker demonstrates deploying the backend using the Now tool, which provides a unique URL for deployment and allows aliasing for easier access.']}, {'end': 5262.012, 'segs': [{'end': 4981.846, 'src': 'embed', 'start': 4955.606, 'weight': 0, 'content': [{'end': 4960.99, 'text': "Excellent So yeah, so I mean, what's amazing about this, first of all, CJ and I were discussing what he was going to do.", 'start': 4955.606, 'duration': 5.384}, {'end': 4962.471, 'text': "And he said, oh, I think I'll make a Twitter clone.", 'start': 4961.03, 'duration': 1.441}, {'end': 4964.853, 'text': "It's like, in an hour? It's like, that's crazy.", 'start': 4962.491, 'duration': 2.362}, {'end': 4968.515, 'text': 'Well, no user accounts and let it strip down.', 'start': 4965.293, 'duration': 3.222}, {'end': 4974.58, 'text': 'But still, this was pretty incredible to see the full stack, really.', 'start': 4968.736, 'duration': 5.844}, {'end': 4977.182, 'text': "I was trying to think of a different word for it, but that's the word, the full stack.", 'start': 4974.6, 'duration': 2.582}, {'end': 4981.846, 'text': 'So much of the stuff that I do is mostly client side, algorithms, visualization stuff.', 'start': 4977.242, 'duration': 4.604}], 'summary': 'Discussion about creating a twitter clone in an hour, with no user accounts, showcasing the full stack development.', 'duration': 26.24, 'max_score': 4955.606, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk4955606.jpg'}, {'end': 5029.711, 'src': 'embed', 'start': 4992.868, 'weight': 1, 'content': [{'end': 4996.368, 'text': "I made some notes of things that I'd never seen before, which was awesome.", 'start': 4992.868, 'duration': 3.5}, {'end': 4997.749, 'text': "I guess that's one thing to note.", 'start': 4996.508, 'duration': 1.241}, {'end': 5001.549, 'text': "So I'm showing the client was the browser, but the client could be a desktop app.", 'start': 4998.049, 'duration': 3.5}, {'end': 5004.09, 'text': 'It could be a mobile phone native app.', 'start': 5001.669, 'duration': 2.421}, {'end': 5005.83, 'text': 'And it could all work in a similar way.', 'start': 5004.43, 'duration': 1.4}, {'end': 5011.571, 'text': 'And this is actually why I like to build architectures this way, because a mobile app could talk to the exact same back end.', 'start': 5005.85, 'duration': 5.721}, {'end': 5013.333, 'text': 'The only thing that changes is the client.', 'start': 5012.071, 'duration': 1.262}, {'end': 5019.78, 'text': "And are there other, so when is, so I know you've been in New York for a while, you're going back, you're based in Denver.", 'start': 5013.733, 'duration': 6.047}, {'end': 5021.141, 'text': "Yes And you're going back there.", 'start': 5019.84, 'duration': 1.301}, {'end': 5024.124, 'text': 'When is your next live stream?', 'start': 5021.742, 'duration': 2.382}, {'end': 5026.187, 'text': 'Are there other things people should check out like?', 'start': 5024.345, 'duration': 1.842}, {'end': 5028.349, 'text': "I don't know Twitter or Instagram or stuff like that?", 'start': 5026.187, 'duration': 2.162}, {'end': 5029.11, 'text': 'Definitely yes.', 'start': 5028.369, 'duration': 0.741}, {'end': 5029.711, 'text': 'Thanks for the plugs.', 'start': 5029.13, 'duration': 0.581}], 'summary': 'Architectures can support various clients, such as browser, desktop app, and mobile app, all talking to the same backend.', 'duration': 36.843, 'max_score': 4992.868, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk4992868.jpg'}, {'end': 5161.705, 'src': 'embed', 'start': 5115.744, 'weight': 3, 'content': [{'end': 5120.328, 'text': "where Tony's totally brand new to coding and we'll kind of pair and work through things.", 'start': 5115.744, 'duration': 4.584}, {'end': 5127.213, 'text': 'And then I also do a, every, mostly every Wednesday, a Code Katas stream.', 'start': 5121.749, 'duration': 5.464}, {'end': 5134.998, 'text': "So, if you're familiar with Code Wars, Code Katas, I'll just sit down for a couple of hours and I'll pick some out and then just solve them live.", 'start': 5127.273, 'duration': 7.725}, {'end': 5138.579, 'text': "but I'll also show 10 different ways to solve the same thing.", 'start': 5134.998, 'duration': 3.581}, {'end': 5139.979, 'text': 'and how do we do it with the for loop?', 'start': 5138.579, 'duration': 1.4}, {'end': 5141.22, 'text': 'how do we do it with reduce?', 'start': 5139.979, 'duration': 1.241}, {'end': 5142.8, 'text': 'how do we do it with map and filter?', 'start': 5141.22, 'duration': 1.58}, {'end': 5153.883, 'text': "I also have, if you check out the GitHub Tons, like every video I've ever done, the code for it is free and open source here,", 'start': 5142.82, 'duration': 11.063}, {'end': 5155.764, 'text': "and there's also one for Codecata.", 'start': 5153.883, 'duration': 1.881}, {'end': 5160.505, 'text': 'so if you have suggestions for that, you can submit them here as an issue as well.', 'start': 5155.764, 'duration': 4.741}, {'end': 5161.705, 'text': 'So nicely organized.', 'start': 5160.545, 'duration': 1.16}], 'summary': 'Live coding sessions every wednesday, solving code katas and demonstrating multiple ways of solving problems using for loop, reduce, map, and filter.', 'duration': 45.961, 'max_score': 5115.744, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk5115744.jpg'}], 'start': 4851.066, 'title': 'Developing a twitter clone and live streaming and teaching updates', 'summary': 'Covers developing a twitter clone, setting up tools, creating a full stack twitter clone, and discusses live streaming schedule, teaching experiences, and future plans of the speaker, including streaming frequency and types, teaching experiences, and a platform for sharing code. the speaker plans to increase live streaming frequency upon returning to denver after previously streaming five days a week.', 'chapters': [{'end': 5011.571, 'start': 4851.066, 'title': 'Developing a twitter clone', 'summary': 'Discusses developing a twitter clone, including setting up the terminal, code editor, and extensions, creating a full stack twitter clone, and the versatility of the built architecture.', 'duration': 160.505, 'highlights': ['CJ discusses setting up the terminal, code editor, and extensions for web development, with detailed information available on his channel.', 'Developing a full stack Twitter clone in an hour without user accounts, showcasing a comprehensive understanding of the full stack.', 'Exploring the versatility of the architecture by illustrating how the client can be a browser, desktop app, or mobile phone native app, all interacting with the same back end.']}, {'end': 5262.012, 'start': 5012.071, 'title': 'Live streaming and teaching updates', 'summary': 'Discusses the live streaming schedule, teaching experiences, and future plans of the speaker, including streaming frequency and types, teaching experiences, and a platform for sharing code. the speaker plans to increase live streaming frequency upon returning to denver after previously streaming five days a week.', 'duration': 249.941, 'highlights': ['The speaker plans to increase live streaming frequency upon returning to Denver after previously streaming five days a week. Before coming to New York, the speaker was streaming five days a week, and plans to do it more often upon returning to Denver.', "The speaker describes the types of streams, including 'Noob Quest' with a friend and 'Code Katas' sessions, where viewers can submit suggestions for coding challenges. The speaker conducts 'Noob Quest' sessions with a friend and 'Code Katas' streams, where viewers can submit suggestions for coding challenges.", 'The speaker shares a platform for sharing code, including the availability of all video codes and Codecata codes as free and open source on GitHub, along with a channel for submitting suggestions. The speaker provides all video codes and Codecata codes as free and open source on GitHub, and allows viewers to submit suggestions on a dedicated channel.']}], 'duration': 410.946, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/JnEH9tYLxLk/pics/JnEH9tYLxLk4851066.jpg', 'highlights': ['Developing a full stack Twitter clone in an hour without user accounts, showcasing a comprehensive understanding of the full stack.', 'Exploring the versatility of the architecture by illustrating how the client can be a browser, desktop app, or mobile phone native app, all interacting with the same back end.', 'The speaker plans to increase live streaming frequency upon returning to Denver after previously streaming five days a week.', "The speaker describes the types of streams, including 'Noob Quest' with a friend and 'Code Katas' sessions, where viewers can submit suggestions for coding challenges.", 'The speaker shares a platform for sharing code, including the availability of all video codes and Codecata codes as free and open source on GitHub, along with a channel for submitting suggestions.']}], 'highlights': ['Developing a full stack Twitter clone in an hour without user accounts, showcasing a comprehensive understanding of the full stack.', 'The speaker plans to increase live streaming frequency upon returning to Denver after previously streaming five days a week.', 'Setting up environment variables for deployment The speaker explains the process of setting up environment variables for deployment, including creating a deployment tool called now and specifying environment variables such as mongouri.', 'Deploying the backend with Now tool The speaker demonstrates deploying the backend using the Now tool, which provides a unique URL for deployment and allows aliasing for easier access.', 'The process of web page loading involves a user typing a URL into the browser, making a GET request to a static file server, and receiving the requested file, such as index.html, containing HTML content.', "Creating a form for user input using HTML and CSS, including input fields for the user's name and content, and a button to submit the form.", 'The main difference is using textContent over innerHTML to prevent cross-site scripting.', 'Implementing security measures such as bad word filtering and rate limiting for preventing spamming on the server.', 'The page loads the contents of the tweet and adds them to the page, which was fixed.', 'The loading spinner needs to be hidden after all Mews load.']}