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How do I extract a sub-hash from a hash?
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ActiveSupport, at least since 2.3.8, provides four convenient methods: #slice, #except and their destructive counterparts: #slice! and #except!. They were mentioned in other answers, but to sum them in one place:
x = {a: 1, b: 2, c: 3, d: 4}
# => {:a=>...
Jinja2 template variable if None Object set a default value
... simanacci
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answered Oct 27 '13 at 8:28
tbicrtbicr
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Why is sed not recognizing \t as a tab?
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Mark ByersMark Byers
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how to rotate a bitmap 90 degrees
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edited Jun 18 '18 at 16:51
Community♦
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answered Feb 1 '13 at 11:27
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How to install latest version of Node using Brew
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– Lily Ballard
Feb 20 '11 at 22:58
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Post data to JsonP
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It is not possible to do an asynchronous POST to a service on another domain, due to the (quite...
Determine the line of code that causes a segmentation fault?
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Trilarion
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answered May 20 '10 at 17:41
nc3bnc3b
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Deleting multiple elements from a list
... SilentGhostSilentGhost
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Socket.IO - how do I get a list of connected sockets/clients?
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answered Aug 6 '11 at 15:18
3rdEden3rdEden
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