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Running shell command and capturing the output
I want to write a function that will execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line.
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How to iterate over arguments in a Bash script
I have a complex command that I'd like to make a shell/bash script of. I can write it in terms of $1 easily:
8 Answers
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Python: fastest way to create a list of n lists
So I was wondering how to best create a list of blank lists:
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Explicitly select items from a list or tuple
I have the following Python list (can also be a tuple):
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Postgres could not connect to server
After I did brew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
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Why can a function modify some arguments as perceived by the caller, but not others?
I'm trying to understand Python's approach to variable scope. In this example, why is f() able to alter the value of x , as perceived within main() , but not the value of n ?
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What does cherry-picking a commit with Git mean?
Recently, I have been asked to cherry-pick a commit.
12 Answers
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How to permanently add a private key with ssh-add on Ubuntu? [closed]
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iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
I was just wondering with how should we deal with the iPhone 5 bigger screen size.
8 Answers
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Separating class code into a header and cpp file
I am confused on how to separate implementation and declarations code of a simple class into a new header and cpp file. For example, how would I separate the code for the following class?
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