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How to swap two variables in JavaScript

... @derek - I think it's called array matching, a form of destructuring assignment. – Ted Hopp Apr 22 '16 at 14:31 4 ...
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outline on only one border

...tent comes here...</p> </div> (Or see external demo.) All sizes and colors are just placeholders, you can change it to match the exact desired result. Important note: .element must have display:block; (default for a div) for this to work. If it's not the case, please provide yo...
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What is this 'Waiting for Background operation' in Visual Studio 2012?

... I was having the same problem, especially in cshtml pages. I found this page: https://devblogs.microsoft.com/aspnet/visual-studio-11-beta-razor-editor-issue-workaround that suggests changing the indent option in Tools > Options > Text Editor > HTML >...
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Is there any performance reason to declare method parameters final in Java?

... I have seen Sun's compiler emit marginally shorter bytecode when the only difference between the two methods has been the "finality" of local variables. Micro-optimizations are a real thing, and compilers do actually make them. What really matters, of course, is ...
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How do I convert a Django QuerySet into list of dicts?

...;> Blog.objects.values() [{'id': 1, 'name': 'Beatles Blog', 'tagline': 'All the latest Beatles news.'}], >>> Blog.objects.values('id', 'name') [{'id': 1, 'name': 'Beatles Blog'}] Note: the result is a QuerySet which mostly behaves like a list, but isn't actually an instance of list. Us...
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How to handle Handler messages when activity/fragment is paused

...ch asynchronously changes a fragment state (e.g. commit, dismiss) is only called from a message in the handler. Derive your handler from the PauseHandler class. Whenever your activity receives an onPause() call PauseHandler.pause() and for onResume() call PauseHandler.resume(). Replace your imple...
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What is duck typing?

...ot that well defined. Neither is Duck Typing. Google Go or Ocaml are statically typed languages with a structural subtyping-construction. Are these duck typed languages? – I GIVE CRAP ANSWERS Nov 17 '10 at 15:27 ...
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Android: Share plain text using intent (to all messaging apps)

...ablet, I was asked to choose from the list of apps. Probably its about installing those extra apps on emulator. – Piyush-Ask Any Difference Mar 5 '13 at 15:57 ...
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In Objective-C why should I check if self = [super init] is not nil?

... For example: [[NSData alloc] initWithContentsOfFile:@"this/path/doesn't/exist/"]; [[NSImage alloc] initWithContentsOfFile:@"unsupportedFormat.sjt"]; [NSImage imageNamed:@"AnImageThatIsntInTheImageCache"]; ... and so on. (Note: NSData might throw...
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How to use ConcurrentLinkedQueue?

...lready in ConcurrentLinkedQueue, just use them. ConcurrentLinkedQueue does all the locking and other operations you need internally; your producer(s) adds data into the queue, and your consumers poll for it. First, create your queue: Queue<YourObject> queue = new ConcurrentLinkedQueue<YourO...