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How can I get a precise time, for example in milliseconds in Objective-C?

... NSDate and the timeIntervalSince* methods will return a NSTimeInterval which is a double with sub-millisecond accuracy. NSTimeInterval is in seconds, but it uses the double to give you greater precision. In order to calculate milli...
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How to elegantly deal with timezones

...is, users can have a specific timezone. I was wondering how other SO users and applications approach this? The most obvious part is that inside the DB, date/times are stored in UTC. When on the server, all date/times should be dealt with in UTC. However, I see three problems that I'm trying to overc...
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Can you detect “dragging” in jQuery?

...drags on the "a" element. Just look for a certain amount of change in an x and y mousemove event. – Ash Blue May 21 '14 at 23:45 ...
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What are some compelling use cases for dependent method types?

...perimental feature before, has now been enabled by default in the trunk , and apparently this seems to have created some excitement in the Scala community. ...
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Tar a directory, but don't store full absolute paths in the archive

I have the following command in the part of a backup shell script: 8 Answers 8 ...
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Javascript communication between browser tabs/windows [duplicate]

... example, when Tab 2 starts audio playback, Tab 1 somehow knows about this and can pause it's player. 10 Answers ...
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How to properly exit a C# application?

... Application.Exit Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed. This is the code to use if you are have called Application.Run (WinForms applications), this method stops all running message loops on all thread...
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What's Up with Logging in Java? [closed]

... the integrated solution); especially valid if you're an API/Framework/OSS and you rely on other packages that use Commons Logging. Commons Logging because you don't want to "lock down" to a particular logging framework (so instead you lock down to what Commons Logging gives you instead) - I don't t...
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ViewDidAppear is not called when opening app from background

I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , vie...
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Correct way to find max in an Array in Swift

... Note in Swift 3 these have been renamed to simply min() and max(). – jemmons Jul 10 '16 at 14:55 ...