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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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What is the effect of encoding an image in base64?
...37% larger:
Very roughly, the final size of Base64-encoded binary data is equal to 1.37 times the original data size
Source: http://en.wikipedia.org/wiki/Base64
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Angularjs $q.all
...mplemented the $q.all in angularjs, but I can not make the code work. Here is my code :
3 Answers
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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....
Pipe output and capture exit status in Bash
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There is an internal Bash variable called $PIPESTATUS; it’s an array that holds the exit status of each command in your last foreground pipeline of commands.
<command> | tee out.txt ; test ${PIPESTATUS[0]} -eq 0
Or anoth...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
Is there a Command-line Tool (Linux) to check Heap Size (and Used Memory) of a Java Application?
17 Answers
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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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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=...