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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()...
Foreign key from one app into another in Django
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155
According to the docs, your second attempt should work:
To refer to models defined in anoth...
Save file to specific folder with curl command
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AtleAtle
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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edited Oct 10 '19 at 2:54
BKSpurgeon
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answered...
Change one value based on another value in pandas
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edited Jul 12 '18 at 15:11
jpp
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answered...
java: Class.isInstance vs Class.isAssignableFrom
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225
clazz.isAssignableFrom(Foo.class) will be true whenever the class represented by the clazz objec...
Difference between adjustResize and adjustPan in android?
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5 Answers
5
Active
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Why does Math.floor return a double?
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Gama11
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answered Feb 4 '09 at 15:49
krosenvoldkrosenvold...
What is the default scope of a method in Java?
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265
The default scope is package-private. All classes in the same package can access the method/fiel...