Questions tagged [command]

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1answer
1k 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 ...
1
vote
6answers
27k 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.
1
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2answers
286 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 !!
0
votes
1answer
758 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 ...
0
votes
2answers
401 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 ...
0
votes
1answer
21 views

bash: make: command not found

I'm using VS Code online version provided by CS50, if I'm not wrong. When I try to compile my code before running it via "make hello" I get this error: "bash: make: command not found.&...
0
votes
0answers
13 views

CS50 bash: apache50: command not found

I'm trying to incorporate PHP code into html code to create a comments section on a website for my final project. When I try to set up PHP using apache50 I get the error as below. Can anyone think of ...
0
votes
1answer
19 views

Some short commands aren´t working in my terminal window. What could be wrong?

So I´m learning some short commands, like mkdir, rm, cd, cp and they are not working in my terminal window at the moment. The only one that seems to be working is ctrl l as in taking away text These ...
0
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1answer
62 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 ...
0
votes
0answers
24 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 ...
0
votes
1answer
65 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....
0
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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 ...
0
votes
1answer
97 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 ...