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Are Swift variables atomic?

..., does not have thread safety built in. We can speculate that additional 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: C...
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How can you check for a #hash in a URL using JavaScript?

...vaScript code that I want to run only when there is a hash ( # ) anchor link in a URL. How can you check for this character using JavaScript? I need a simple catch-all test that would detect URLs like these: ...
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Android screen size HDPI, LDPI, MDPI [duplicate]

I have a background that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are. ...
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like ...
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Signal handling with multiple threads in Linux

...s when a program (that possibly has multiple threads) receives a signal, like SIGTERM or SIGHUP? 2 Answers ...
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How are people managing authentication in Go? [closed]

... This question gets a ton of views--and has a Popular Question badge--so I know there is a lot of latent interest in this topic, and many people are asking exactly the same thing and not finding answers on the Interwebs. Most of the available information results in the textual equivalent of the han...
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How to count lines in a document?

I have lines like these, and I want to know how many lines I actually have... 24 Answers ...
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How do I download a package from apt-get without installing it? [closed]

... There are a least these apt-get extension packages that can help: apt-offline - offline apt package manager apt-zip - Update a non-networked computer using apt and removable media This is specifically for the case of wanting to download where you have network access ...
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Setting up a JavaScript variable from Spring model by using Thymeleaf

... vdenotarisvdenotaris 11.2k2121 gold badges6363 silver badges117117 bronze badges ...
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Why is '+' not understood by Python sets?

I would like to know why this is valid: 6 Answers 6 ...