r/cs50

Hey everyone!

​Thanks to Professor u/davidjmalan and the amazing CS50 team, we get an incredible foundation in computer science. But once you get all your green checkmarks and start building your own 1,000 line real world applications, new practical questions pop up!

​I wrote a short guide addressing the most common questions CS50 graduates face during this transition:

How do short classroom scripts become 1,000+ lines in real projects?

​Why is code split across multiple files instead of one big script?

​How do developers build AI applications without infinite API keys?

​Why do free hosted apps "go to sleep" and how do we keep them active?

​If you're currently transitioning from problem sets to building your own full scale apps, I hope this helps!

​📖 Read the full article here: https://medium.com/@acun.seymanur03/what-cs50-doesnt-tell-you-how-10-lines-of-code-become-a-1-000-line-real-project-a2f0aed66335

Would love to hear your thoughts and experiences on how you bridged the gap after finishing CS50!

Also, if there are other topics you would like me to write about, I’d love to hear your thoughts and would be more than happy to help!😊🌸⭐️

Is it internet or something?

This happens to me a lot .

I really enjoyed here and faced some difficulties sometimes, but one of the best months I've ever had.

Hi everyone, I just finished all nine projects in CS50 Scratch (2024). Every one shows a full pass on submit.cs50.io with 0 comments, and my last project (Build) went in on October 4.

When I log in at certificates.cs50.io with GitHub, it says "Certificates not found". I'm going for the free certificate, not the verified edX one, and I haven't linked an edX account. I've emailed certificates@cs50.harvard.edu and got an automated reply that mentions a 30-day window and an edX submission date, but that seemed to be about verified certificates.

For anyone who has done this recently:

1. How long did the free certificate take to appear after your last project?
2. Did you have to link edX for it to show up, or did it just appear on its own?

Thanks!

The error as shown in the image keeps showing up when i try to use check50 on this particular problem set , i have been facing this issue for over a week. Checks and submissions on other psets work just fine(it worked on fiftyville) and i can use submit50 on this pset. The submission appears in gradebook, but it is not graded and the problem doesnt show as completed. The answers for all 13 queries is correct as manually verified by me. In the status page it shows all systems are operational, Please help!!