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Are Swift variables atomic?

...al keywords (similar to @lazy) might be introduced later on. Update 07/20/15: according to this blogpost on singletons swift environment can make certain cases thread safe for you, i.e.: class Car { static let sharedCar: Car = Car() // will be called inside of dispatch_once } private let shar...
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How to get object length [duplicate]

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Convert command line arguments into an array in Bash

... 216 Actually your command line arguments are practically like an array already. At least, you can t...
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Further understanding setRetainInstance(true)

...s below. (This is edited a bit to make it easier to read.) TestActivity@415a4a30: this() TestActivity@415a4a30: onCreate() TestActivity@415a4a30: Existing fragment not found. TestFragment{41583008}: this() TestFragment{41583008} TestFragment{41583008}: onAttach(TestActivity@415a4a30) TestFragment{...
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Version of Apache installed on a Debian machine

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Using @include vs @extend in Sass?

...lightgrey, $active-color: white) background-color: $main-color border: 1px solid black border-radius: 0.2em &:hover, &:active background-color: $active-color a +button button +button(pink, red) Results in: a { background-color: lightgrey; border: 1px solid black; ...
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How to do ssh with a timeout in a script?

... ssh -o ConnectTimeout=10 <hostName> Where 10 is time in seconds. This Timeout applies only to the creation of the connection. share | i...
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Batch files - number of command line arguments

... 105 Googling a bit gives you the following result from wikibooks: set argC=0 for %%x in (%*) do S...
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Convert JavaScript string in dot notation into an object reference

...However, if that's not the case, consider if any of these apply: case 1: As the primary method of working with your data (e.g. as your app's default form of passing objects around and dereferencing them). Like asking "how can I look up a function or variable name from a string". This is...
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How can I multiply and divide using only bit shifting and adding?

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