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Returning a boolean from a Bash function

...ant to write a bash function that check if a file has certain properties and returns true or false. Then I can use it in my scripts in the "if". But what should I return? ...
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Getting thread id of current method call

Is there a way to print out the current thread id on which the current method is executing on? 6 Answers ...
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Difference between objectForKey and valueForKey?

What is the difference between objectForKey and valueForKey ? I looked both up in the documentation and they seemed the same to me. ...
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Detect if called through require or directly by command line

How can I detect whether my Node.JS file was called using SH: node path-to-file or JS: require('path-to-file') ? 5 Answers...
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What's the difference between the WebConfigurationManager and the ConfigurationManager?

What's the difference between the WebConfigurationManager and the ConfigurationManager ? 4 Answers ...
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Is there a jQuery unfocus method?

How can I unfocus a textarea or input? I couldn't find a $('#my-textarea').unfocus(); method? 6 Answers ...
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How to compare two tags with git?

I would like to do a diff between two tags and committed changes between those two tags. Could you please tell me the command? ...
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How can I combine hashes in Perl?

... best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible. ...
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Adding a user to a group in django

How would I add a user to a group in django by the group's name? 2 Answers 2 ...
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Iterate all files in a directory using a 'for' loop

How can I iterate over each file in a directory using a for loop? 17 Answers 17 ...