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How do I pass a variable by reference?

... | edited Apr 3 '17 at 2:13 random_user 70011 gold badge66 silver badges1616 bronze badges a...
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Does “\d” in regex mean a digit?

I found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex. ...
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Hidden features of Python [closed]

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How do you reverse a string in place in C or C++?

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Why does CSS not support negative padding?

...tter and easier. Yet, there is no provision for a negative padding in the W3C CSS. What is the reason behind this? Is there any obstruction to the property that prevents it's use as such? Thanks for your answers. ...
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How To Set A JS object property name from a variable

... var jsonVariable = {}; for(var i=1; i < 3; i++) { jsonVariable[i + 'name'] = 'name' + i; } share | improve this answer | follow ...
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Compare two files line by line and generate the difference in another file

I want to compare file1 with file2 and generate a file3 which contains the lines in file1 which are not present in file2. 1...
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Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit

... 395 I was never able to get any of these answers to work for me, but this is the command that I us...
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

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How to iterate through a DataTable

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