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Meaning of $? (dollar question mark) in shell scripts
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This is the exit status of the last executed command.
For example the command true always ret...
Is it possible to have different Git configuration for different projects?
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Immediate function invocation syntax
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edited Jul 29 '14 at 19:24
answered Jun 2 '09 at 13:11
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Automatic Retina images for web sites
... double loading of images.
<img src="low-res.jpg" srcset="high-res.jpg 2x">
Browser Support: http://caniuse.com/#search=srcset
Other Resources:
WebKit release post
W3C documentation for srcset
good explanation about why and how to use srcset
Chris Coyer's post for more good info
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When to use single quotes, double quotes, and backticks in MySQL
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Setting element of array from Twig
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There is no nice way to do this in Twig. It is, however, possible by using the merge filter:
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How to use setArguments() and getArguments() methods in Fragments?
I have 2 fragments: (1)Frag1 (2)Frag2.
6 Answers
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The difference between fork(), vfork(), exec() and clone()
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answered Jan 31 '11 at 21:42
JavierJavier
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C# DropDownList with a Dictionary as DataSource
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Like that you can set DataTextField and DataValueField of DropDownList using "Key" and "Value"...
Is a RelativeLayout more expensive than a LinearLayout?
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In a talk at Google I/O 2013 (Writing Custom Views for Android), Romain Guy clarified the misunderstanding that caused everyone to start using RelativeLayouts for everything. A RelativeLayout always has to do two measure passes. Overall it is neglig...