Skip to main content
CS50 Beta

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.
Awarded 426 times.
cs50p problem set 1 - meal.py (don't understand prescribed structure)
Awarded Sep 30 at 15:42
hello.c wont compile - Nothing to be done
Awarded Jul 27 at 14:47
How to fix cs50p unit testing error (testing twttr)
Awarded Jul 25 at 22:30
input of EOF halts program expected exit code 0, not 1
Awarded Jul 15 at 3:35
Selection sort seems right, but the values are not sorted
Awarded Jul 12 at 13:23
Invalid slug error
Awarded Jun 25 at 10:18
Floating Point Imprecision
Awarded May 21 at 20:27
declaration shadows a variable in the global scope [-Werror,-Wshadow]
Awarded May 21 at 11:55
Need suggestion in the Final Project, Can i make a simple web app using php ?
Awarded Apr 26 at 23:57
cs50p problemset 7 /working.py
Awarded Apr 10 at 11:56
Why Can't I See My CS50 Project Scores On GitHub?
Awarded Mar 16 at 15:57
Pset2 Readabilty: Why are my grade levels calculating incorrectly?
Awarded Feb 28 at 23:40
Where can we find Solution Code?
Awarded Feb 27 at 8:08
Flask Sessions Not Working
Awarded Feb 26 at 22:36
what can i do when i don`t have problem"no such file or directory" in my terminal?
Awarded Feb 26 at 20:25
Realloc error in server.c: invalid next size
Awarded Feb 21 at 9:46
misleading description of int main(int argc, string argv[])
Awarded Feb 20 at 18:05
How to find if element is not in an array
Awarded Feb 17 at 4:21
Is it possible to re-submit the a problem-set and get another grading? [duplicate]
Awarded Jan 20 at 7:18
Can't Type in Terminal
Awarded Jan 11 at 19:21
Do do/while loops only take one line?
Awarded Jan 10 at 21:41
what is the difference beween atoi and (int)
Awarded Jan 8 at 8:46
pset7 finance ':( sell handles valid sale'
Awarded Dec 22, 2023 at 2:35
How to pass value from HTML to python?
Awarded Dec 15, 2023 at 12:35
Can't run debugger
Awarded Dec 14, 2023 at 13:55
Do I have to do problem set 0?
Awarded Dec 13, 2023 at 10:55
What do I do if I get "too few arguments to function call"?
Awarded Dec 10, 2023 at 21:57
what does 'can't check until frown turns upside down' error means? [duplicate]
Awarded Dec 5, 2023 at 11:11
Why do I not have to link stdio.h while compiling with clang?
Awarded Dec 3, 2023 at 23:34
:( Little Professor generates 10 problems before exiting
Awarded Dec 3, 2023 at 19:55
Why does my CS50P PSET4 Professor implementation fail check50?
Awarded Nov 28, 2023 at 10:11
Can't figure out memory leak pointed out by valgrind in dictionary.c
Awarded Nov 19, 2023 at 21:41
Fiftyville - please help!
Awarded Nov 6, 2023 at 6:11
printf is changing string contents
Awarded Nov 2, 2023 at 0:56
The view function did not return a valid response. The function either returned None or ended without a return statement
Awarded Oct 13, 2023 at 5:41
why do I get "error: expected expression" when I try to compile my binary search implementation?
Awarded Oct 3, 2023 at 6:05
Memory leak in linked list
Awarded Oct 1, 2023 at 5:08
pset7 fractions being rejected causing Buy to fail
Awarded Sep 9, 2023 at 19:07
Can I skip Scratch Problem Set ?
Awarded Sep 4, 2023 at 15:56
CS50 LAB 2- SCRABBLE
Awarded Aug 3, 2023 at 8:40
pset4 filter: blur seems to be working, but check50 reads errors
Awarded Aug 2, 2023 at 21:40
pset9 Finance "jinja2.exceptions.TemplateSyntaxError: expected name or number" error
Awarded Aug 1, 2023 at 19:48
CS50P PSET3 outdated.py
Awarded Jul 31, 2023 at 12:55
MySQL - AttributeError: 'NoneType' object has no attribute '_instantiate_plugins'
Awarded Jul 21, 2023 at 15:26
about caesar,i'm having a segmentation fault
Awarded Jul 19, 2023 at 21:56
bash: make: command not found
Awarded Jun 29, 2023 at 12:49
incompatible pointer to integer conversion initializing 'int'
Awarded Jun 29, 2023 at 9:56
CS50 pset2 substitution - timed out while waiting for program to exit
Awarded Jun 11, 2023 at 4:28
RuntimeError: unsupported value in cs50 finance
Awarded May 23, 2023 at 22:19
PS5 - Back to the Bank - check50 - expected exit code 0, not 1
Awarded May 15, 2023 at 12:20
PSet 5 - malloc(): corrupted top size (please help)
Awarded May 6, 2023 at 16:41
How to iterate over a list of values in a dict using jinja?
Awarded May 5, 2023 at 13:16
valgrind tutorial?
Awarded Apr 28, 2023 at 14:20
recover.c: expected exit code 0, not 2?
Awarded Apr 6, 2023 at 11:52
Why does it keep saying error: no such file or directory?
Awarded Apr 3, 2023 at 11:42
Finance: UNIQUE constraint failed: users.username
Awarded Apr 2, 2023 at 16:41
incompatible integer to pointer conversion returning 'int' from a function with result type 'struct node *' with custom create_node function
Awarded Mar 23, 2023 at 21:42
How does printf and scanf works behind the scene?
Awarded Mar 23, 2023 at 20:19
How to fix if statements within event listeners in Javascript
Awarded Mar 15, 2023 at 17:35
I hope CS50 community can help why I got expected exit code 0, not 1
Awarded Mar 6, 2023 at 12:07
1
2 3 4 5
…
8