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How to write a Ruby switch statement (case…when) with regex and backreferences?
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The references to the latest regex matching groups are always stored in pseudo variables $1 to...
Append an object to a list in R in amortized constant time, O(1)?
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What's the difference between array_merge and array + array?
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edited Feb 13 at 18:06
Joe DF
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
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edited Jan 5 '18 at 6:20
Bhuwan
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How can I check the size of a collection within a Django template?
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edited May 3 '17 at 6:56
MichielB
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How to get current time in milliseconds in PHP?
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Sending multipart/formdata with jQuery.ajax
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This project references NuGet package(s) that are missing on this computer
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Base64 Decoding in iOS 7+
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edited Jun 1 '18 at 12:08
Cœur
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How can I get nth element from a list?
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156
Look here, the operator used is !!.
I.e. [1,2,3]!!1 gives you 2, since lists are 0-indexed.
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