teaching machines

CS 488: Lecture 1 – Points

January 20, 2021 by

Dear students: Welcome to CS 488 – Computer Graphics Applications. This is a class where we learn how to make output that non-computer scientists can enjoy. In particular, the output is 3D and interactive. You can show the 3D worlds that you make in this class to others, and you will be a hero. Graphics […]

CS 430: Lecture 1 – Programming Languages

January 19, 2021 by

Dear students, Welcome to CS 430: Programming Languages! What’s this class about? Well, imagine you are a biology student taking a course on mammals and every lecture, lab, and homework is on cows. You wouldn’t really be a biologist at the end of the course. You’d be a cowist. A cow gives you one picture […]

CS 347: Lecture 25 – CS 347 Wrapped

December 7, 2020 by

Dear students: Our mission’s nearly over. You asked me to give you homework and projects so that you could learn full-stack web development. I’ve done that, and all that’s left is project 2 and the final exam. We won’t see each other again as a CS 347 family, so this is where we say goodbye. […]

CS 347: Lecture 24 – OAuth2

December 1, 2020 by

Dear students: Today we discuss OAuth2, a popular system for managing access to data controlled by a web service but accessed by a separate client application. I will be frank with you. Security is not my favorite subject, and I do not feel qualified to be speaking on it. However, OAuth2 is too much of […]

CS 347: Lecture 22 – Router, Part II

November 12, 2020 by

Dear students: React lifts the burden of manipulating the DOM, which is nice, but some desirable features are also thrown out—like a site organized into multiple pages. With what we’ve seen of React so far, multiple pages are not really an option, as all views must be corraled under the almighty App component. In this […]

CS 347: Lecture 21 – Router, Part I

November 10, 2020 by

Dear students: React lifts the burden of manipulating the DOM, which is nice, but some desirable features are also thrown out—like a site organized into multiple pages. With what we’ve seen of React so far, multiple pages are not really an option, as all views must be corraled under the almighty App component. In this […]

CS 347: Lecture 23 – Hosting User Files

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Dear students: Many web apps evolve into miniature content management systems. Users upload their content to the back-end, and the front-end serves as an interface to this centralized storage. Sometimes the content is simple text and numbers that are stored in a database. But sometimes the data is more complex, like images and other media. […]

CS 347: Lecture 20 – Today App: Client, Part II

November 5, 2020 by

Dear students: We will continue examining ingedux through the lens of a client for our Today app. In this second part, we’ll use Redux to update the state as we create, update, and delete memories. Here’s your TODO list: Watch Adding New Memories.

CS 347: Lecture 19 – Today App: Client, Part I

November 3, 2020 by

Dear students: React takes over management of the DOM, allowing us to focus on managing the state of our app. As the data behind our app and our component hierarchy become more complex, even state management becomes challenging. To deal with this complexty, we will push the data into an object managed by Redux. With […]

CS 347: Lecture 18 – Today App: Database + Web Service

October 29, 2020 by

Dear students: Last time, we looked at the mechanics of web services using Express. Today we build up a non-toy web service for a time capsule application that lets the user track memories of each day. Behind our web service will be a MySQL database, and our service will have endpoints for the four common […]

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