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How do I vertically center text with CSS? [duplicate]

I have a <div> element which contains text and I want to align the contents of this <div> vertically center. ...
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How do I push to GitHub under a different username?

A friend and myself are sharing my computer. I've made pushes to GitHub using the git bash shell on Windows 7. Now we're in a different project on that computer and I need her to push to her account. But it keeps trying to use my username and saying I don't have access to her repository: ...
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How to write very long string that conforms with PEP8 and prevent E501

...e continuation by escaping the endline, not merely implicit concatenation, and until very recently explicitly forbidden in PEP8, although now there is an allowance, but NOT for long strings. Todd's answer below is correct. – Aaron Hall♦ Dec 12 '13 at 22:16 ...
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }

I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be imported. ...
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How do I determine whether an array contains a particular value in Java?

...the searching functions in the Arrays class versus iterating over an array and using an equals() function or == for primitives. – Thomas Owens Jul 15 '09 at 0:06 188 ...
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Facebook Android Generate Key Hash

Trying to create an android app with Facebook integration, I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code ...
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Check folder size in Bash

I'm trying to write a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name? ...
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?

... System.out.println("dotc(): " + (t3 - t2)/10000000 + " ns"); } } and Dot.h: float ac[50], bc[50]; inline float dotc() { float sum = 0; for (int i = 0; i < 50; i++) { sum += ac[i]*bc[i]; } return sum; } We can compile and run that with JavaCPP using this comma...
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What is the difference between class and instance attributes?

... Only the mutable types are shared. Like for int and str they still attached with each instances rather than class. – Babu Jul 17 '14 at 11:59 11 ...
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Is there a way to iterate over a range of integers?

Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this: ...