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Flatten an Array of Arrays in Swift
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Swift >= 3.0
reduce:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let reduced = numbers.reduce([], +)
flatMap:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let flattened = numbers.flatMap { $0 }
joined:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let joined = Array(numbers.joined())
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How to get jQuery dropdown value onchange event
...power_scriptor
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comparing 2 strings alphabetically for sorting purposes
... LixLix
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Why switch is faster than if
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answered Jul 15 '11 at 10:56
DanielDaniel
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Android RelativeLayout programmatically Set “centerInParent”
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edited Mar 21 '17 at 16:23
jose920405
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Purpose of asterisk before a CSS property
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Where do gems install?
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216
Look at your gem environment.
In a terminal run gem env
You should see an entry INSTALLATION D...
@Override is not allowed when implementing interface method
...ect has multiple modules, also check that every module uses language level 6 or above, or use the project's language level (see Project Settings > Modules > xxx > Language level).
You may need to reload your project once it is modified.
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Emulating a do-while loop in Bash
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edited Mar 25 '17 at 16:55
Peter Mortensen
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What is `git diff --patience` for?
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186
You can read a post from Bram Cohen, the author of the patience diff algorithm, but I found this...