Rubber Duck Debugging in CS50 IDE

by David J. Malan
ide.cs50.io
In addition to printf, debug50 (aka gdb), and valgrind, CS50 also introduces students to rubber duck debugging, a technique that involves talking to a rubber duck (or any inanimate, or even animate, object) about a bug in their code. In...
Rubber Duck Debugging in CS50 IDE

Linking to Chapters

by David J. Malan
So that teachers (and we!) can link to specific chapters within CS50's videos, the links in the Chapters menu now include not only start parameters but also end parameters as well. That way, if you control- or right-click on a chapter...
video.cs50.io

Snacks for Lectures

by David J. Malan
A tradition in CS50 is to serve cake (or cupcakes) after the course's first lecture. And that tradition has since evolved into snacks in the middle of every lecture. Of course, those snacks don't readily translate to video, and such...
video.cs50.io

An API for Harvard's Map

by David J. Malan
Years ago, CS50 had an API (application programming interface) for Harvard's map, so that students could integrate maps of campus into their own final projects. The API eventually fell by the wayside as CS50's infrastructure evolved, but...
api.cs50.io

UI Improvements for CS50 Video Player

by David J. Malan
CS50's video player, a web app at video.cs50.io that synchronizes instructional videos with screen recordings, is now all the more responsive, particularly when embedded in a course's website: The "Keyboard" in "Keyboard Shortcuts" has...
video.cs50.io