Questions tagged [command]

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I got a “linker command failed with exit code 1” error after compiling my source code

clang -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wshadow mario.c -lcrypt -lcs50 -lm -o mario /usr/bin/../lib/gcc/x86_64-linux-gnu/7.4.0/...
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1answer
18 views

Unzipped the file, how do I run the cmd “touch index.html”, so I can create a new index file for my repo so I can commit and just start coding?

So after I unzip the file, how do I run the cmd "touch index.html", since I'm using Windows 10 and create a new index file for my repository so I can commit and just get started on the coding? I'm not ...
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0answers
22 views

Can't access directory on commant prompt. Can I just drag the zipped files into repository instead?

I'm taking the CS50 Web Programming course. I downloaded the zipped file and tried to run the cmd prompt to run the cd project0 command, but it shows no path to the directory when I try to open run ...
2
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1answer
280 views

In the CS50 IDE is there a way to change all the names of one variable at once?

e.g. int hey = 5; printf("%i",hey); hey = 3; I then want to change all the instances of "hey" to "a number". int a_number = 5; printf("%i",a_number); a_number = 3; I know in Py-charm the ...
0
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1answer
561 views

bash: clang: command not found

When I type 'clang hello.c' in the terminal, i get the following message after pressing enter: 'bash: clang: command not found', how do I get rid of it? Also, program runs fine and does print 'Hello ...
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1answer
63 views

linker comman failed with exit code of 1 in find.c

I was about to submit pset3 and pset4 which I have completed, but in the process of keeping my house in order by checking every code before submission, I discovered that helpers.c has developed issues....
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1answer
21 views

What is `all:` command?

I encountered a problem while using all command (or variable if : is used to create one) during problem set 3. bash: all:: command not found The context is building both generate and find (two files ...
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1answer
92 views

How to not accept numbers in vigenere

I am using the following to indicate that if a number is used as the command line argument in vigenere to prompt the user for letters only but I can't wrap my mind around how this takes into account ...
1
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2answers
281 views

Any Master command in CS50 appliance Terminal to list all the commands available?

In Windows Terminal we have the following command " cmd /? " to get a whole list of commands available. Is there any such master command in CS50 Appliance ? Thank You !!
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2answers
393 views

CS50 commands, standard commands - is there any literature and who did that? [closed]

I am on week 1 and it is a lot frustrating to me. I certainly am not good with computers. When in first part of the lecture, teacher says things such as someone invented it, computer looks for it... I ...
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6answers
9k views

Which command is used to clear terminal (output) window?

I tried "cls" but not worked. What is the command to completely clear the terminal window.