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.
string variable is not working
Awarded Jan 4, 2022 at 15:50
How can I get the cs50.h to run in Visual Studio Code?
Awarded Dec 20, 2021 at 21:21
pset5 getrusage in speller.c
Awarded Dec 9, 2021 at 4:12
pset3 frequency "called object type 'int' is not a function or function pointer" (line 108)
Awarded Dec 6, 2021 at 18:57
How to fix the "expression result unused" compilation error?
Awarded Nov 30, 2021 at 0:05
Pset2 Vigenere: Control reaches end of non-void function
Awarded Nov 29, 2021 at 18:11
strcmp not evaluating as expected
Awarded Nov 24, 2021 at 8:32
pset7 finance check50 ':( buy handles valid purchase'
Awarded Nov 15, 2021 at 0:33
Getting "non-void function does not return a value in all control paths"
Awarded Nov 7, 2021 at 17:47
How to swap elements in "struct" data type?
Awarded Oct 27, 2021 at 15:47
TypeError: a bytes-like object is required, not 'NoneType' in Finance
Awarded Oct 18, 2021 at 13:42
PSET 4 Filter(Less) help with Blur
Awarded Oct 13, 2021 at 18:46
Can't submit or check
Awarded Sep 9, 2021 at 13:11
make: Nothing to be done for `caesar'
Awarded Sep 5, 2021 at 9:51
sizeof(int) is 2 bytes in some computers, while it is 4 bytes in most modern ones. Why is it so?
Awarded Aug 25, 2021 at 11:37
I don't understand how the collatz(n) recursive function works
Awarded Aug 20, 2021 at 16:37
How does “RGBTRIPLE triple;” know whitch pixel to store?
Awarded Aug 16, 2021 at 10:47
stuck on speller Load function
Awarded Jul 21, 2021 at 11:09
Ubuntu password required when starting apache 50 - pset7
Awarded Jul 4, 2021 at 4:10
Pset4: Filter, Sepia, everything is fine except light blue
Awarded Jun 27, 2021 at 23:26
speller valgrind "uninitialized error was created by heap allocation"
Awarded Jun 25, 2021 at 2:11
PSET4 Filter: Blur help
Awarded Jun 17, 2021 at 13:16
clang: error: no such file or directory: 'hello.c'
Awarded Jun 14, 2021 at 0:06
Error with comparison between pointer and integer
Awarded May 31, 2021 at 21:12
Is a Semicolon Required After main()'s Signature?
Awarded May 27, 2021 at 23:48
pset7 movies Q12
Awarded May 18, 2021 at 21:15
Error: function definition is not allowed here
Awarded May 17, 2021 at 15:47
incompatible pointer types passing in strcpy?
Awarded May 13, 2021 at 12:12
nanosleep function Implicit deceleration
Awarded May 12, 2021 at 22:05
Accessing information from PHPmyadmin using Javscript
Awarded May 12, 2021 at 10:28
I can't access my terminal window on my CS50 IDE page. Please help!
Awarded May 7, 2021 at 2:42
How to return a value from a loop?
Awarded Apr 29, 2021 at 18:01
Excess elements in scalar initilizer?
Awarded Apr 28, 2021 at 8:10
raise JSONDecodeError("Expecting value", s, err.value) from None json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
Awarded Apr 25, 2021 at 22:31
After CS50 which course of harvard from David J. Malan Sir, you want to learn on edX? [closed]
Awarded Apr 14, 2021 at 23:54
How many credits does this course correspond to?
Awarded Apr 14, 2021 at 12:49
How to fix "Could not start import: failed to launch helper process" error while importing cs50 appliance to VMware?
Awarded Apr 12, 2021 at 7:42
pset3: selection sort and binary search
Awarded Apr 1, 2021 at 18:28
Segmentation fault and "Address 0x30 is not stack'd, malloc'd or (recently) free'd" message in Valgrind
Awarded Mar 30, 2021 at 17:20
Why do I get a segmentation fault when writing to a string?
Awarded Mar 28, 2021 at 22:34
'\0' vs '0' : What's the difference?
Awarded Mar 28, 2021 at 16:20
Final project SQL Error: execute() takes 2 positional arguments but 3 were given
Awarded Mar 19, 2021 at 2:06
Pset6 - how to recursively .append or .extend a list (cash.py)?
Awarded Mar 17, 2021 at 19:25
How to solve "error: expected expression" on greedy.c
Awarded Mar 15, 2021 at 9:50
I am getting a weird implicit declaration in C
Awarded Mar 15, 2021 at 6:50
If I use fread in a while loop, will it move the file pointer?
Awarded Mar 14, 2021 at 12:56
Pset1: Mario.c Pyramid left aligned instead of right
Awarded Feb 21, 2021 at 9:41
i am unable to submit my work in pset1 of marioless. It shows me a comment in yellow which says invalid slug.What should I do?
Awarded Feb 19, 2021 at 2:42
Conversion of hexadecimal to floating point
Awarded Feb 8, 2021 at 2:12
Can I declare a variable *within* a do-while loop?
Awarded Jan 30, 2021 at 19:22
What does -std=c99 command do?
Awarded Jan 25, 2021 at 15:02
mario pset6 PYTHON
Awarded Jan 22, 2021 at 16:33
code: string initial = toupper(name[0]); Getting an error
Awarded Jan 15, 2021 at 16:07
answer to the quiz question regarding monkey numbers
Awarded Jan 13, 2021 at 13:12
what does "invalid conversion specifier mean" ?
Awarded Jan 12, 2021 at 6:48
PSET7 finance index
Awarded Jan 9, 2021 at 21:31
CS50 IDE not working
Awarded Jan 9, 2021 at 9:07
When compiling I get an error: note: expanded from macro 'get_float'
Awarded Jan 7, 2021 at 18:27
Why do macros take more space than an equivalently defined function?
Awarded Jan 6, 2021 at 11:57
difference between char ** and char *[] in C
Awarded Dec 19, 2020 at 15:10
1 2
3
4 5
…
8