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CS50 Beta

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Answer a question with score of 1 or more.
Awarded 1297 times.
TypeError: 'NoneType' object is not subscriptable in PSET9, but working manually
Awarded Sep 23 at 14:21
In pset5 speller : Two variants of same code differ in case sensitivity
Awarded Sep 6 at 21:56
PSet 4 - Emoji Problem Issue
Awarded Jun 19 at 21:21
check50 error on helpers.c in pset4
Awarded May 17 at 20:31
Opening phpLiteAdmin in cs50 IDE
Awarded May 12 at 23:04
pset4 padding calculation last %
Awarded May 10 at 6:51
PSET7 Fiftyville
Awarded May 2 at 18:11
pizza.py unclear problem when submitting
Awarded Apr 27 at 19:41
check50 gives "correct working.py passes all test_working checks expected exit code 0, not 2" when "pytest test_working.py" works
Awarded Apr 18 at 21:40
Problem with Updated CS50 Finance - all API calls to lookup stocks come back as None
Awarded Apr 18 at 17:46
Unable to compile hello.c using local vscode IDE
Awarded Apr 10 at 14:32
Can't submit or check
Awarded Apr 10 at 7:26
Minesweeper - :( add_knowledge cannot infer safe cells when given new information
Awarded Apr 7 at 18:42
submit50 not yielding results CS50AI : no results
Awarded Apr 5 at 15:27
CS50P, Problem Set 6, CS50 P-Shirt – what more does check50 need here?
Awarded Mar 19 at 15:46
PSET 5 - Speller: Compiles locally, check50 says it doesn't
Awarded Mar 18 at 13:52
pset6 lines, expected 2058 lines and mine gets 2062
Awarded Mar 15 at 18:05
Felipe’s Taqueria: "invalid decimal literal" with f string, but ok without f string. Why?
Awarded Mar 13 at 3:55
CS50x: Issue on problem Felipe´s Taqueria, program keeps asking me for input, without printing price, why?
Awarded Mar 10 at 21:34
Android Studio error "Unknown failure: cmd: Can't find service: package"
Awarded Mar 9 at 9:26
CS50P - PSet 8 - Seaons of love - seasons.py
Awarded Feb 21 at 17:01
CS50 PSET 9 Finance "sell handles valid sale: expected to find "56.00" in page, but it wasn't found"
Awarded Feb 21 at 16:50
CS50P Little Professor error expected "9", not "level: 6 + 6 =..."
Awarded Feb 21 at 16:50
input of EOF halts program expected exit code 0, not 1
Awarded Feb 12 at 19:27
Week 9 - Finance - Foreign Key Mismatch
Awarded Feb 8 at 22:31
pset4 blur; artifacts on a white parts of an image
Awarded Feb 6 at 17:55
PSET9 Finance - Check50 Failing on login - logging in as registered user succceeds - IndexError: list index out of range
Awarded Feb 2 at 18:35
PSET 4 filter-less problem
Awarded Jan 26 at 17:41
Why does my CS50P PSET4 Professor implementation fail check50?
Awarded Jan 26 at 12:31
CS50P PSET 2 Vanity Plates
Awarded Jan 11 at 12:10
Problem Set 2 (Scrabble) / Variable Scope
Awarded Jan 10 at 2:42
pset6 Readability Python - Getting right numbers but wrong grade
Awarded Jan 8 at 15:42
PSET9 finance 'buy handles valid purchase error, expected to find "112.00" in page, but it wasn't found'
Awarded Jan 8 at 5:06
Struggling with Vigenere! (In C) invalid operands to binary expression ('int *' and 'int') and other things
Awarded Jan 2 at 17:41
PSET 1 Cash - How to reject negative input?
Awarded Dec 28, 2023 at 16:56
Just getting started
Awarded Dec 27, 2023 at 11:12
Pset4 filter-less reflect function not passing check50
Awarded Dec 26, 2023 at 8:35
PS9 Finance does not appear in Gradebook as done
Awarded Dec 19, 2023 at 19:11
pset 9 finance :( sell page has all required elements
Awarded Dec 15, 2023 at 16:35
Check50 is broken on Problem set 9 (Finance)
Awarded Dec 8, 2023 at 2:22
CS50AI Crossword
Awarded Dec 5, 2023 at 15:57
Could someone take a look at my finance index? I'm going round in circles and can't find the problem. Everything appears as it should when I test
Awarded Dec 5, 2023 at 15:47
CS50p pset 8, Seasons of Love. All tests passed but exit code is still not 0
Awarded Dec 5, 2023 at 15:47
scourgify Lesson6 Problem Set check50 errors
Awarded Dec 5, 2023 at 15:18
Trivia Lab 8 Week 8 - Issues with Free Answer Question
Awarded Dec 3, 2023 at 0:12
error: result of comparison against a string literal is unspecified (use strncmp instead) and Check50 showing error on credit problem
Awarded Dec 1, 2023 at 19:08
CS50 AI lecture 0 search. I tried to implement Maze.py by myself
Awarded Nov 21, 2023 at 22:32
Can Scratch backdrop be resized?
Awarded Nov 17, 2023 at 21:57
Unable to install TensorFlow - CS50 AI, Traffic
Awarded Nov 17, 2023 at 21:57
Stuck on atoi Practice Problem, Week 3
Awarded Oct 26, 2023 at 12:46
reverse .wav file not working correctly
Awarded Oct 4, 2023 at 4:55
I am trying to tackle the einstein code problem 0 CS50’s Introduction to Programming with Python
Awarded Sep 28, 2023 at 17:15
:( Little Professor generates 10 problems before exiting
Awarded Sep 28, 2023 at 7:18
einstein.py check50 says I am returning '2'
Awarded Sep 27, 2023 at 16:11
Problem set 2 , Passes all tests when submitted but only give 2/11 grade
Awarded Sep 22, 2023 at 11:45
problem with credit with this numbers (369421438430814 & 5673598276138003)
Awarded Sep 21, 2023 at 2:10
cs50p check50 says my program doesn't pass all checks, but pytest says that it does
Awarded Sep 19, 2023 at 4:48
Filter(less) Blur is all but correct for 1 or 2 values
Awarded Sep 17, 2023 at 16:05
CS50p pset 8, Seasons of Love. All tests passed but exit code is still not 0
Awarded Sep 12, 2023 at 16:33
cs50 pset3 runoff tabulate
Awarded Sep 9, 2023 at 10:41
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