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CS50 Beta

Famous Question

 Famous Question
Question with 10,000 views. This badge can be awarded multiple times.
Awarded 79 times.
Why am I getting TypeError: expected string or buffer?
Awarded Apr 24, 2024 at 13:28
Can't submit or check
Awarded Mar 18, 2024 at 13:12
clang: error: no such file or directory: 'hello.c'
Awarded Mar 15, 2024 at 18:11
can't check until a frown turns upside down
Awarded Feb 21, 2024 at 10:55
'int' but the argument has type 'int * problem with sort in helpers.c
Awarded Feb 9, 2024 at 21:26
Can I declare a variable *within* a do-while loop?
Awarded Jan 25, 2024 at 18:19
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Awarded Nov 25, 2023 at 11:35
How to print a long number in C?
Awarded Oct 25, 2023 at 20:36
What's the point of the modulo operation in the Caesar cipher formula?
Awarded Oct 1, 2023 at 19:36
Can Scratch backdrop be resized?
Awarded Jan 31, 2023 at 20:56
Getting an error error: expected identifier or '(' {
Awarded Jan 6, 2023 at 22:05
How are the problem sets graded?
Awarded Dec 31, 2022 at 10:42
How to quit when running into an infinite loop
Awarded Dec 25, 2022 at 12:36
How can I get the cs50.h to run in Visual Studio Code?
Awarded Nov 30, 2022 at 19:07
pointers and scanf : when do I use &x, *x or just x?
Awarded Nov 5, 2022 at 21:40
C: Vigenere - incompatible pointer types passing 'char **' to parameter of type 'const char *
Awarded Oct 17, 2022 at 3:21
Memory overlap in C
Awarded Oct 7, 2022 at 18:17
PSET5 compiles but gives: "free(): double free detected in tcache 2" error on testing
Awarded Sep 5, 2022 at 2:57
How to fix the `unused variable` error?
Awarded Aug 24, 2022 at 16:17
cs50 pset3 runoff tabulate
Awarded Jul 20, 2022 at 11:43
Getting "non-void function does not return a value in all control paths"
Awarded Jun 16, 2022 at 3:06
Error: incompatible integer to pointer conversion initializing 'int *' with an expression of type 'int'; take the address with &
Awarded May 27, 2022 at 10:31
Problem with importing Appliance into VMware Workstation
Awarded May 26, 2022 at 20:50
How do I fix the 'Invalid read of size 8' error from Valgrind for pset5?
Awarded Mar 21, 2022 at 14:55
incompatible pointer to integer conversion
Awarded Mar 17, 2022 at 3:15
pset1 Error: indirection requires pointer operand
Awarded Mar 10, 2022 at 3:42
"Expected Expression" error on else function in caesar.c
Awarded Mar 4, 2022 at 4:43
Conditional jump or move depends on uninitialised value(s)
Awarded Mar 2, 2022 at 16:18
Recover: Fatal error: glibc detected an invalid stdio handle
Awarded Oct 2, 2021 at 15:27
invalid read of size 1 -- Valgrind error
Awarded Sep 28, 2021 at 7:25
Finding the nth digit for credit card number
Awarded Jul 6, 2021 at 3:17
Undefined reference to `GetString'
Awarded Jun 30, 2021 at 8:35
(post deleted or otherwise unavailable)
Awarded Jun 28, 2021 at 22:02
What's the C equivalent for "string input = GetString();"
Awarded Jun 7, 2021 at 14:25
How do you pass arguments into GDB argv[1] argv[2]?
Awarded Mar 27, 2021 at 14:31
pset 3 GDB: "no executable file specified"
Awarded Mar 23, 2021 at 17:50
How much time, on the average, does it take to complete CS50 course?
Awarded Mar 2, 2021 at 4:46
'invalid read of size 8' given out by valgrind
Awarded Feb 14, 2021 at 23:50
Pset1 error: expected identifier or '('
Awarded Feb 1, 2021 at 1:26
How to convert the digits of a number into elements of array?
Awarded Nov 10, 2020 at 3:35
No Rule to Make Target
Awarded May 31, 2020 at 23:03
how do you convert ascii to alphabetical index
Awarded May 7, 2020 at 4:52
MARIO LESS COMFORTABLE
Awarded Apr 19, 2020 at 7:45
Question about binary search. Please help!
Awarded Mar 24, 2020 at 23:55
How to free a nested struct?
Awarded Mar 11, 2020 at 23:50
how to fix the "double free or corruption" error?
Awarded Feb 11, 2020 at 9:50
Life after CS50!
Awarded Dec 18, 2019 at 23:25
How to Wrap Around Array Indexes?
Awarded Dec 13, 2019 at 11:45
Struggle passing values from Python to HTML via Flask
Awarded Dec 6, 2019 at 6:25
How do you run the program in the CS50 IDE. I looked at the manual previously described, but no help
Awarded Nov 15, 2019 at 12:40
How do I open a Terminal window in gEdit?
Awarded Nov 11, 2019 at 6:35
Problem with "expression result unused" error in for-loop
Awarded Oct 4, 2019 at 3:05
How to Start Studying CS50?
Awarded Sep 18, 2019 at 3:05
How to initialize multiple types of variables in a FOR loop?
Awarded Aug 2, 2019 at 12:55
Difference between char and char* in c
Awarded Jul 17, 2019 at 1:15
How to create an array/subarray by extracting a part of another array?
Awarded Jul 9, 2019 at 0:00
How do I install the CS50 library to my local OS?
Awarded Jun 28, 2019 at 23:40
How to get a value using flask, from a selected option in a drop down list?
Awarded Apr 15, 2019 at 1:25
Downloading cs50.h
Awarded Mar 23, 2019 at 4:45
How do I share a variable between source files in C with extern?
Awarded Mar 17, 2019 at 6:15
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