Questions tagged [invalid]
The invalid tag has no usage guidance.
21
questions
0
votes
0answers
8 views
Lab 5 valgrind error only with specific variable name
I am currently doing lab 5:Inheritance on CS50.
I came across a interesting error.
when i create a person object with the name person as follows,
//Create a new individual with generations
person *...
0
votes
1answer
32 views
Recover code makes 000.jpg to 049.jpg, but jpgs are corrupt
I've been working on this problem for a little bit, but right now I have no clue why my code isn't working. Right now it spits out the 50 jpgs like it's supposed to, but they're all blank. Anyone have ...
0
votes
1answer
34 views
Pset3 Plurality returning “Invalid vote” in main programme code
When inputting vote names in "Plurality", the programme is returning Invalid vote. It looks like this in the terminal:
./plurality Alice Bob Garry Jim
Number of votes: 4
Vote: Alice
Invalid ...
0
votes
1answer
18 views
Prints “ Invalid vote ” for “ code 1 ” as vote function But works fine for “ code 2 ” as vote function. Whats wrong with “ code 1 ”?
// CODE 1 :-
bool vote(string name)
{
// TODO
for (int i = 0; i < candidate_count; i++)
{
if ( candidates[i].name == name )
{
candidates[i].votes = candidates[i].votes + 1 ;
return true ;
}
}
...
0
votes
1answer
431 views
pset2 - Cipher - Invalid Slug
I'm struggling to check50/submit50 for the caeser cipher wk2 pset for CS50.
Can anyone please advise what mistake I'm making?
Code as linked: https://pastebin.com/5B7tcaGg
I'm attempting to use;
...
0
votes
1answer
65 views
PSET 4 RECOVER - My program outputs 50 images however they all have an invalid format
So I think I've nearly finished but I've come upon a bit of roadblock. That is all my photo are invalid. I looked at all the threads I could and couldn't find out why.
My Code:
#include <stdio.h&...
0
votes
2answers
3k views
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?
~/workspace/ $ submit50 cs50/2018/x/marioless
Connecting....
Invalid slug. Did you mean to submit something else?
~/workspace/ $ submit50 cs50/2018/x/marioless
Connecting.....
Invalid slug. Did you ...
1
vote
1answer
115 views
Resize Invalid Image Format
For the past couple of days, I have been struggling with Resize (less comfortable). I have looked at similar questions and I've been able to fix some problems yet my largest one remains the same: my ...
0
votes
1answer
484 views
check50 not working 2017 for initials
I copied check50 cs50/2017/x/initials/less like shown on pset2 and i get the "Checking. invalid ID" error. I added initials.c at the end and nothing.
0
votes
1answer
292 views
Pset6 credit.py always outputs INVALID
I'm currently re-implementing every one of my projects that could be bettered before I submit them all. Right now, I'm stuck on my re-implementation of pset6 credit. For some reason, it always outputs ...
0
votes
2answers
1k views
how to use check50 on mario pset1?
What's the correct ID to use check50 for mario on pset1 guys?
I get "invalid ID" on every check50 ID I use.
I thought "check50 2016.mario mario.c" was the one to check, but seems not.
Any help?
...
0
votes
3answers
3k views
python invalid syntax end=“”
The first print line I use , end="" in has a red dot next to it and is marked as invalid syntax. The python code still works with no problems but the invalid syntax is always there.
I even copied ...
1
vote
1answer
2k views
how to check with check50 for 2017 users
I tried this code check50 2017/x/pset1/hello/hello.c
but its showing Checking. invalid ID
I was expecting the mistakes in my code
https://ide.cs50.io/rahulatrkm/ide50#openfile-x link to my file which ...
1
vote
1answer
124 views
pset 4 - recover -> invalid pointer
i am trying to solve the recover issue.
When I run my programm I get: * Error in `./recover': free(): invalid pointer: 0x0000000001da5200 *
Aborted
I don't know how to proceed.
Can someone please ...
0
votes
1answer
52 views
pset4 resize invalid or unsupported image
I have a few problems with my code but my main problem right now is being unable to even open the resized image. I think the problem is with writing updated header info to the outfile. I've thrown in ...
1
vote
1answer
116 views
I am working on the quotes' section of the pset7. I always get this error which I am unable to understand?
quote.php
<?php
// configuration
require("../includes/config.php");
if ($_SERVER["REQUEST_METHOD"] == "GET")
{
//do something
// else render form
render(".....
0
votes
0answers
97 views
I am getting stuck on quotes.php. I am getting this invalid message?
quotes.php
<?php
// configuration
require("../includes/config.php");
if ($_SERVER["REQUEST_METHOD"] == "GET")
{
//do something
// else render form
render("...
0
votes
2answers
302 views
Invalid read/write errors in pset5
I have been trying to create a trie for storing my dictionary, and the code looks like it ought to work. However, when I run Valgrind on it, I get a number of read/write errors (mostly of size 4). In ...
0
votes
1answer
1k views
error: invalid operands to binary expression ('int *' and 'LONG' (aka 'int'))
I'm pretty sure I'm using pointers incorrectly but I don't fully understand why using them in this way is wrong. The compiler seems to throwing out an error on the line (near the bottom of the code) ...
0
votes
1answer
918 views
How to check if input is invalid with C
I am doing greedy, and I want to write a code which says that if the input is not a number, I say something other than it is a number. I know that it is not required, but I just want to know if there ...
0
votes
1answer
163 views
Pset 1; Greedy; probably quite a lot wrong with my code
Well, I've been working on this for an embarrassing amount of time and just can't work out the kinks. After days of research and re-watching videos, scouring through my notes and reddit, I think I've ...
