Apr 5This was CS50x Puzzle Day 2023Carter Zenke, Doug Lloyd, David J. Malan — That’s all for this year! This year’s event brought together thousands of registrants from 156 countries. We’re excited to reflect on all we’ve learned from this year’s event and to share some of the stories we’ve heard over the past few days. This year, we celebrate the eighth CS50x Puzzle…19 min read19 min read
Mar 23Providing Students with Standardized, Cloud-Based Programming Environments at Term’s Start (for Free)David J. Malan — Each year, upwards of 1,000 educators in computer science gather in some city for the Technical Symposium on Computer Science Education, aka SIGCSE, organized by ACM’s Special Interest Group on Computer Science Education, which “addresses problems common among educators working to develop, implement and/or evaluate computing programs, curricula, and courses.”…Computer Science10 min readComputer Science10 min read
Apr 6, 2022This was CS50x Puzzle Day 2022Carter Zenke and David J. Malan — And we’re a wrap! As the clock strikes midnight in the last time zone on Earth, we can look back on CS50x Puzzle Day 2022. This year’s event brought thousands of registrants from 88 countries together to “enjoy not having a clue when you have a ton of ’em” (among…7 min read7 min read
Apr 5, 2022Shopping Period at HarvardDavid J. Malan ’99 — “At Tuesday’s Faculty of Arts and Sciences meeting, Harvard faculty ̶a̶r̶e̶ [were] set to vote on two controversial proposals — one that would allow students to pursue double concentrations and another that would replace shopping week with previous-term registration.” — The Harvard Crimson Shopping week (aka shopping period) is a…Computer Science3 min readComputer Science3 min read
Apr 5, 2021Building a Virtual Classroom with ZoomDavid J. Malan — CS50 is Harvard University’s introduction to the intellectual enterprises of computer science and the art of programming, a course that can be taken both on campus and off. The course is unusual, perhaps, for its “production value,” which is part of its pedagogy, so that students watching videos asynchronously online…Education10 min readEducation10 min read
Jul 6, 2020Teaching from Home via ZoomDavid J. Malan — CS50 is Harvard University’s introduction to the intellectual enterprises of computer science and the art of programming, a course that can be taken both on campus and off. The course is unusual, perhaps, for its “production value,” which is part of its pedagogy, so that students watching videos asynchronously online…Computing6 min readComputing6 min read
Apr 7, 2020This was CS50x Puzzle Day 2020David J. Malan — CS50x Puzzle Day is an online adaptation of an event we hold at Harvard University each year, an opportunity for students around the world to collaborate on a team with classmates, family, and friends on a packet of puzzles, which are essentially logic (not jigsaw!) problems. Whereas the on-campus event…17 min read17 min read
Aug 25, 2019Echa Pa’Lante, CS50 2019David J. Malan — CS50’s team began this summer, as we have past, with Summer50, a week-long retreat a few hours from Harvard during which we plan for the coming year, bond, and even compete in a Gordon Ramsay-inspired cooking competition. (The red team won this year.) To guide each summer and, in turn…Education7 min readEducation7 min read
Aug 16, 2019This is CS50 AP 2019–2020Erin Carvalho — Here’s what’s new for the upcoming school year for CS50 AP! …Education4 min readEducation4 min read
Jul 25, 2019CS50’s New Submission Tools for Teachers and StudentsBrian Yu, Chad Sharp, and Jelle van Assema — Over the years, CS50 has developed a number of tools aimed at making it easier for computer science teachers (including us!) to collect student submissions for assignments, automatically grade those submissions along multiple axes, and provide feedback on students’ code. check50, a correctness-testing tool made available to both students and…Education7 min readEducation7 min read
