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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()...
How to escape a JSON string to have it in a URL?
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answered Jul 24 '11 at 13:55
Delan AzabaniDelan Azabani
70.4k2222 gold badges154154 silver badges189189 bronze badges
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How can I determine if a String is non-null and not only whitespace in Groovy?
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252
Another option is
if (myString?.trim()) {
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}
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Automating “enter” keypresses for bash script generating ssh keys
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5 Answers
5
Active
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Proper way to implement IXmlSerializable?
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5 Answers
5
Active
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.NET Process.Start default directory?
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edited Feb 23 '15 at 18:42
umlcat
3,89633 gold badges1616 silver badges2727 bronze badges
answ...
Target elements with multiple classes, within one rule
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185
.border-blue.background { ... } is for one item with multiple classes.
.border-blue, .background...
How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
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answered Mar 14 '15 at 13:10
mary janemary jane
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Android: how to make keyboard enter button say “Search” and handle its click?
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edited Mar 23 '17 at 17:59
sergej shafarenka
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a...
If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
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Connor TumblesonConnor Tumbleson
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