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Check if array is empty or null
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answered Aug 25 '11 at 23:48
jfriend00jfriend00
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Add a number to each selection in Sublime Text 2, incremented once per selection
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PJSCopeland
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answered Feb 3 '13 at 8:15
aantonaanton
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Create a tar.xz in one command
...r to man tar :)
tar cfJ <archive.tar.xz> <files>
Edit 2015-08-10:
If you're passing the arguments to tar with dashes (ex: tar -cf as opposed to tar cf), then the -f option must come last, since it specifies the filename (thanks to @A-B-B for pointing that out!). In that case, the com...
rails 3 validation on uniqueness on multiple attributes
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Jason Swett
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answered Jul 18 '10 at 15:55
Christian LescuyerChristian Lesc...
Is it possible to get element from HashMap by its position?
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edited Mar 30 '18 at 9:20
Shaishav
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ans...
Create array of symbols
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edited Oct 10 '19 at 18:45
Dmitri
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answered Ju...
Can I use __init__.py to define global variables?
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edited Apr 5 '17 at 14:18
Willem Van Onsem
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How does OpenID authentication work?
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98
What is OpenID?
OpenID is an open, decentralized, free framework for user-centric digital ident...
Accessing JPEG EXIF rotation data in JavaScript on the client side
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8 Answers
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XmlWriter to Write to a String Instead of to a File
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RichardRichard
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