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“unary operator expected” error in Bash if condition

...it's much easier to always use the double bracket conditional compound command [[ ... ]], instead of the Posix-compatible single bracket version [ ... ]. Inside a [[ ... ]] compound, word-splitting and pathname expansion are not applied to words, so you can rely on if [[ $aug1 == "and" ]]; to co...
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Initializing multiple variables to the same value in Java

I'm looking for a clean and efficient method of declaring multiple variables of the same type and of the same value. Right now I have: ...
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Difference between C++03 throw() specifier C++11 noexcept

Is there any difference between throw() and noexcept other than being checked at runtime and compile time, respectively? ...
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Git in Powershell saying 'Could not find ssh-agent'

I have git installed and it works great in the command prompt, but when I open up powershell it gives me this warning: 6 An...
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Entity Framework Join 3 Tables

I'm trying to join three tables but I can't understand the method... 2 Answers 2 ...
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Assert a function/method was not called using Mock

...as not called. Mock docs talk about methods like mock.assert_called_with and mock.assert_called_once_with , but I didn't find anything like mock.assert_not_called or something related to verify mock was NOT called . ...
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Generate a random letter in Python

Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing. ...
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Apache: “AuthType not set!” 500 Error

...d the Apache httpd web server. I'm firing up a local server for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log: ...
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Change multiple files

The following command is correctly changing the contents of 2 files. 9 Answers 9 ...
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Shell - Write variable contents to a file

... Use the echo command: var="text to append"; destdir=/some/directory/path/filename if [ -f "$destdir" ] then echo "$var" > "$destdir" fi The if tests that $destdir represents a file. The > appends the text after truncating the ...