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How do I edit /etc/sudoers from a script?
I need to edit /etc/sudoers from a script to add/remove stuff from white lists.
12 Answers
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Can a C++ enum class have methods?
...receives a value
and returns the other one. I also want to maintain type safety(that's why I use enum class instead of enums).
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How do you determine the size of a file in C?
How can I figure out the size of a file, in bytes?
14 Answers
14
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Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
How do I execute any command editing its file (argument) “in place” using bash?
I have a file temp.txt, that I want to sort with the sort command in bash.
14 Answers
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How to remove old Docker containers
...prune
This will remove all stopped containers and should work on all platforms the same way.
There is also a Docker system prune:
docker system prune
which will clean up all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes, in one command.
For ol...
Sleep in JavaScript - delay between actions
Is there a way I can do a sleep in JavaScript before it carries out another action?
11 Answers
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How to print register values in GDB?
How do I print the value of %eax and %ebp ?
6 Answers
6
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How to return a value from a Form in C#?
I have a main form (let's call it frmHireQuote) that is a child of a main MDI form (frmMainMDI), that shows another form (frmImportContact) via ShowDialog() when a button is clicked.
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C# short/long/int literal format?
...ell the compiler that a literal number is not what it appears to be (ie., float instead of double , unsigned long instead of int :
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