Questions tagged [cs50-ide]
The cs50-ide tag has no usage guidance.
219
questions
0
votes
1answer
4 views
No such file or directory (following video instruction)
See picture. Doing exactly the same as the instructor does in the vidoe but somehow it is not working.
Thanks in advance for your help!
0
votes
0answers
4 views
I am having trouble with filter (more) edge detection: it returns a white image, i just can seem to find where i am going wrong
void edges(int height, int width, RGBTRIPLE image[height][width])
{
int Gx_arr[3][3] = { {-1, 0, 1}, {-2,0,2},{-1,0,1}};
int Gy_arr[3][3] = { {-1, -2, -1}, {0, 0, 0}, {1, 2, 1}};
...
0
votes
1answer
20 views
Plurality CS50 Week3 pset3
// Print the winner (or winners) of the election
void print_winner(void)
{
int max =0;
for(int i=0; i<candidate_count; i++)
{
if(candidates[i].votes>candidates[i+1].votes)
{
max=candidates[i]....
0
votes
0answers
23 views
How do you check if a value is fractional? HEAR ME OUT FIRST
This is from cs50 finance:
Text:
:( buy handles fractional, negative, and non-numeric shares
Cause
application raised an exception (see the log for more details)
Log
sending POST request to /login
...
0
votes
1answer
24 views
Can't figure out why check50 sad faced these two
Edit2: Latest code (working)
int main (int argc, string argv[])
{
// Checking for proper command line input
if (argc != 2)
{
printf("Usage: ./substituion key\n");
...
0
votes
1answer
11 views
pset4 CS50 IDE broken when opened card.raw
While I was working on pset4/recover I couldn't make it work as desired, so I wanted to check the first few bytes of card.raw manually. I double-clicked the file and now my cs50 IDE never loads and ...
0
votes
0answers
11 views
CS50 Bot - resend invitation?
I have some students in CS50x that did not accept the invitation from CS50 Bot. This was more than 7 days ago, and so the link doesn't work any more. How do I get CS50 Bot to resend the email?
0
votes
0answers
11 views
Transitioning from CS50 IDE to VS Code
I recently finished with PSET9 and wanted to transition from CS50 IDE to VS Code for the Final Project. Problem is I don't know what exactly I need to setup to make it all work.
I guessed that I just ...
0
votes
0answers
40 views
CS50 Week9 Finance I have an error in register
I'm struggling with register function in application.py since I am having error messages in check50
That says:
:) register page has all required elements
:( registering user succeeds
expected ...
0
votes
1answer
21 views
My code gives error RuntimeError: no such table: File_Name
This is simplified version of my code
from cs50 import SQL
open("File_Name", "w").close()
db = SQL("sqlite:///File_Name")
id = 2
filename="hola"
db.execute(&...
1
vote
1answer
17 views
Mario problem: Program got stuck at user input
// ** Below is the code of mario pset1, its taking input of width multiple times and not executing step after input//
#include <cs50.h>
#include <stdio.h>
#include <math.h>
int main(...
0
votes
1answer
15 views
Error when I try to use get_int
I have included cs50.h library, and I've ran the program after substituting a number in place of the get_int function and the program works completely fine, so something is wrong with using the ...
0
votes
1answer
12 views
CS50 ide. Not being being able to compile program
Whenever i try to compile the program in the cs50 ide this error shows up-
make: *** No rule to make target 'string'. Stop.
Can someone please help me out. Thanks!
0
votes
0answers
22 views
Why do Escape Sequences in C work differently when I compile code by using GCC?
Why do Escape Sequences in C work differently when I compile code by using GCC? For example,
Input:
#include <stdio.h>
int main(void){
printf("Hello world\n");
}
Output in CS50 ...
0
votes
1answer
20 views
How does the CS50 IDE recognize C functions in advance?
I notice that functions like printf() and toupper() appear in blue without the relevant #include statements in files with names ending in .c. What is happening under the hood to make this happen?
1
vote
0answers
32 views
I can't submit lab1 on CS50 2021
I can't submit my lab, I generated the code from Github, but the terminal keeps telling me that "Submission cancelled. You might be using your GitHub password to log in, but that's no longer ...
1
vote
1answer
31 views
'stadio.h' file not found
#include <stadio.h>
int main(void) {
printf("hello, world");
}
when i type make hello
clang -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wno-unused-parameter -Wno-...
0
votes
1answer
39 views
I'm on pset9 right now and I'm running check50 on my code and getting :( logging in as registered user succeeds expected status code 200, but got 403
I've tried everything that I thought could be the problem but nothing is working.
I registered and tried logging in but I keep getting '403 Invalid username and/or password' error
This is my login ...
0
votes
1answer
456 views
CS50 LAB 2- SCRABBLE
Hi, anyone can help me. I can't get the result I need for this code. I need to compare words whether player 1 or 2 wins. I only get result for tie. I dont know which line to fix. I new in learning ...
0
votes
1answer
10 views
error : function definition not allowed here pls help
i got this error message
pls help
$ make triangle
clang -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wshadow triangle.c -lcrypt -lcs50 -...
0
votes
1answer
41 views
Lab "population' Why is it when i put 18 as an end population, the loop for 'start date' is initiated again after there being a condition of (e < s)?
#include <cs50.h>
#include <stdio.h>
int main(void)
{
int counter = 0;
int apop;
int e;
// TODO: Prompt for start size
do
{
int s;
do
{
...
0
votes
0answers
77 views
Docker: How to start cs50 ide offline in terminal? (MacOS)
I use the command "ide50 start", but it always starts ide50:latest(online version), instead of the offline version.
However, I can use the command "docker run -d -p 1337:1337 cs50/ide:...
0
votes
1answer
28 views
PSET 8 Finance ":( buy handles valid purchase exception raised in application: TypeError: 'method' object is not subscriptable"
I've been having a problem with CHECK50, I cant seem to find the right object to change.
This is the log I get
sending GET request to /signin
sending POST request to /login
sending POST request to /...
0
votes
2answers
155 views
why am i not returning a value for my function?
ok after much help i finally get what im supposed to be doing. this error code says i'm not returning a function and then tells me things i know are wrong...
scrabble.c:58:1: error: non-void function ...
0
votes
1answer
40 views
can someone translate this to human?
scrabble.c:64:1: error: non-void function does not return a value in all control paths [-Werror,-Wreturn-type]
}
^
1 error generated.
make: *** [<builtin>: scrabble] Error 1
its for this guy(...
0
votes
2answers
44 views
my terminal is not liking that I'm trying to pass a string into an int. Isnt there a way to force that?
so im getting
scrabble.c:20:32: error: incompatible pointer types passing
'string' (aka 'char *') to parameter of type 'int *'
[-Werror,-Wincompatible-pointer-types]
because of this line specifically
...
0
votes
1answer
69 views
How can I use debug50 when it says "Command not found" every time I try to run it?
I am using cs50 sandbox and have tried to use debug50 over the past few weeks with no luck; I keep googling, watching CS50 videos, not just Professor Malan's lectures, but also Professor Doug Lloyd's ...
0
votes
1answer
15 views
error code "linker command failed" on custom function
My code will compile, but I'm getting "linker code failed" on my custom function. So I'm not implementing this custom function as I intend to. I still have to deal with case sensitivity and ...
0
votes
0answers
36 views
CS50 IDE HTML Preview not working
When I use the Preview function in the IDE to view my HTML file, I just get the text Cannot GET /_static/hello.html. Any ideas?
0
votes
0answers
19 views
check50 is rejecting me with pset1 cash (like she always does) it says 0.41 is coming back as 3 when they want 4. why?
ok so to me it sounds like a conditions issue. i'm going up to and not through a number or i'm not adding this one last penny when i should. i did this very differently than i've seen anyone do it but ...
0
votes
1answer
9 views
what's going on here? I know there shouldn't be a semicolon after my main function but miss terminal wants one. why?
[![enter image description here][1]][1]
[1]: https://i.stack.imgur.com/M9q3V.png if I put the semicolon im told i need "(" on line 8. I have a curly brace there. its before a "do while&...
0
votes
1answer
34 views
CS50 Task meow.c custom made function doesn´t work
I think I did exactly like he showed. But there comes an error message.
When running it through help50 make meow it says:
You seem to be passing in too many arguments to a function on line 8 of meow.c....
0
votes
1answer
13 views
Alright, check50 is rejecting my mario pset saying that I'm printing an extra character and I'm not sure why. why?
after beating my head against the wall i finally got it, but one small issue. I'm apparently printing out an extra character in each line. how do i fix this?
0
votes
1answer
11 views
Why is the command line prompting me again when my integer meets my conditions?
So I have a "do while" loop that asking my user to give me an integer between 1 and 8 and then print out that number of hash marks like so
But when i type in my integer its just keeps ...
1
vote
0answers
25 views
HTTP Server not working
When running "http-server" in the IDE and attempting to open the link I am given the message "Safari can't find the server." I checked the CS50x status log and everything seems to ...
0
votes
1answer
60 views
why is my terminal telling me a file doesn't exist when I'm looking at it in the file tree?
This is a recurring problem for me and it is very frustrating. ill make a file I'll start with ls cd and move just to see where its at. I'll get rid of it and make a new one. I'll refresh the file ...
0
votes
0answers
36 views
what is this "unhandled error" thats in red on my ide? how do i fix this "unhandled error"?
this is the error message. its not in my terminal. im not sure which file they are referring to. Could i have malloced memory and forgot to free it, or is one on my programs running? i had to act ...
0
votes
1answer
26 views
What does "no rule to make target" mean in terminal?
since you guys are my life line I think I'm allowed to ask dumb questions. I'm getting "no rule to make target 'list'", in my terminal. I know I've seen this before but I cant remember how ...
0
votes
1answer
29 views
why is my terminal freaking out? what did i do?
i probably messed up somewhere but im not sure how. no matter what file im on my terminal is repeatedly displaying "no such file or directory" i think its a hang up from my issues creating ...
0
votes
1answer
63 views
ls isnt giving me a.out in the terminal like like i want it to. why?
I made the directory.
mkdir ~/pset1/hello/
cd ~/pset1/hello/
now ls isn't giving me a.out so i cant compile. it says "no such file or directory" pretty sure i did that.
I've made probably ...
0
votes
1answer
20 views
why am i getting error codes for and "expected identifier" when there is one there in my code?
I can copy verbatim what my instructor types in and check it twice. when i go to compile the code it tells me hi.c:4:1: error: expected identifier or '('
{
^
1 error generated.
I have tried deleting ...
0
votes
1answer
40 views
Different results with check50
I'm having different results with check50 with the same code. The code works normally if I type. Sometimes all the results show correct
#include <cs50.h>
#include <ctype.h>
#include <...
0
votes
1answer
25 views
IDE.CS50.io can't get FireFox to full screen. Tried the F10 and F11
I'm trying to get Firefox to display IDE.CS50.IO in to full screen mode, which I thought was F10 or F11 and neither works. Thank you kindly,
John
0
votes
1answer
23 views
Input Problem in Char 'P' PSET2 Substitution
QUESTION
When i put cipheralgorithm (which is a function that is making encryption) in comment section (/*)
everything goes perfect i can get input when i type
./substitution ...
0
votes
2answers
269 views
CS50 IDE gives error for flask run
I was able to run flask run till yesterday. But today it is not working, it has been giving errors for SQL and I have been able to code today. It gives me this error continuously.
ERROR: Error on ...
1
vote
1answer
159 views
What's the next step to setup cs50 ide offline?
i have installed docker and installed ide50 when i run ide50 start it shows this:
8082/tcp -> 0.0.0.0:8082
1337/tcp -> 0.0.0.0:1337
8080/tcp -> 0.0.0.0:8080
8081/tcp -> 0.0.0.0:8081
...
0
votes
1answer
24 views
Program compiles and produces required output in caesar from CS50 but segmentation fault due to lack of memory. What to do next?
My program compiles and produces the required ciphertext in caesar problem but when the input has too many characters, I get a segmentation fault after a specific number of ciphertext characters are ...
0
votes
0answers
38 views
pset2/caesar handles lack of key failed to execute program due to segmentation fault [duplicate]
#include <cs50.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
int key(string input);
int main(int argc, string argv[])
{
int l = strlen(argv[1]);
int ...
0
votes
1answer
34 views
reflect for cs50. Trying to reflect an image, but only the first row pixels is swaped
So, my task is to reflect image pixel by pixel to make a mirror image. Here is my original code for the function
void reflect(int height, int width, RGBTRIPLE image[height][width])
{
int tempr, tempg, ...
0
votes
1answer
50 views
Error in CS50 IDE Terminal
I was working on the cs50 IDE and noticed this happen a couple of time -
As you can see in the last terminal in the last entry the substitution changed to subst i don't know why. This happens mainly ...
