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How do I duplicate a whole line in Emacs?
I saw this same question for VIM and it has been something that I myself wanted to know how to do for Emacs. In ReSharper I use CTRL-D for this action. What is the least number of commands to perform this in Emacs?
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Search and replace a line in a file in Python
...st load the whole file in memory and then write it back, but that probably is not the best way to do it.
13 Answers
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StringIO in Python3
...ingIO and it works, but I can't use it with numpy 's genfromtxt like this:
8 Answers
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Is it possible to install iOS 6 SDK on Xcode 5?
...ver I can't find a place where it allows downloading of iOS 6 SDK, thus it is not possible to set the active SDK to iOS 6 when developing with Xcode 5. Is there a workaround that would allow Xcode 5 to install iOS 6 SDK?
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How to access cookies in AngularJS?
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This answer has been updated to reflect latest stable angularjs version. One important note is that $cookieStore is a thin wrapper surrounding $cookies. They are pretty much the same in that they only work with session cookies....
Hidden features of Scala
...xtractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why this works:
val (a, b, c) = (1, 3.14159, "Hello, world")
The right hand expression creates a Tuple3[Int, Double, String] which can match the pattern (a, b, c).
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Variable declaration placement in C
...pass the -pedantic flag.
The declaration of c at the start of a { } block is part of the C89 standard; the block doesn't have to be a function.
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CSS force image resize and keep aspect ratio
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img {
display: block;
max-width:230px;
max-height:95px;
width: auto;
height: auto;
}
<p>This image is originally 400x400 pixels, but should get resized by the CSS:</p>
<img width="400" height="400" src=...
Can I assume (bool)true == (int)1 for any C++ compiler?
...gral promotion applies and the bool value will be promoted to an int and this promotion must yield 1.
Reference: 4.7 [conv.integral] / 4: If the source type is bool... true is converted to one.
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
...he instructions served by Alphonso out not to be sufficient and I did it this way on Windows 8:
Download Android SDK here ("SDK Tools Only" section) and unzip the content.
Run SDK Manager.exe and install Android SDK platform tools
Open up the Command prompt (simply by pressing the windows button...