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Integer division: How do you produce a double?
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How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
How to detect iPhone 5 (widescreen devices)?
... nativeBounds is measured in pixels, so for an iPhone 5 the height will be 1136 instead of 568.
If you're also targeting iOS 7 or lower, be sure to use feature detection, as calling nativeBounds prior to iOS 8 will crash your app:
if( [ [ UIScreen mainScreen ] respondsToSelector: @selector( native...
What's the difference of strings within single or double quotes in groovy?
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Single quotes are a standard java String
Double quotes are a templatable String, which will e...
How to convert int to NSString?
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Primitives can be converted to objects with @() expression. So the shortest way is to transfor...
Explain the “setUp” and “tearDown” Python methods used in test cases
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edited Jul 28 '11 at 6:38
answered Jul 28 '11 at 6:08
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Difference between HEAD and master
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master is a reference to the end of a branch. By convention (and by default) this is usually t...
List directory in Go
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edited Sep 1 '17 at 2:38
Martin Tournoij
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How can I define a composite primary key in SQL?
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Just for clarification: a table can have at most one primary key. A primary key consists of one ...
Eclipse Android and gitignore
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There are file types to ignore
# built application files
*.apk
*.ap_
# files for the dex VM
*....