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File extension for PowerShell 3

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How do I hide the status bar in a Swift iOS app?

... You really should implement prefersStatusBarHidden on your view controller(s): Swift 3 and later override var prefersStatusBarHidden: Bool { return true } ...
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How to reorder data.table columns (without copying)

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What does !! mean in ruby?

...rn false end end class LinkStatus::Denied < LinkStatus end Then in service code I have, for example: raise Application::Error unless !!object.link_status # => raises exception for "No" and "Denied" states. Effectively the bangbang operator has become what I might otherwise have writt...
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Is there a method that works like start fragment for result?

I currently have a fragment in an overlay. This is for signing in to the service. In the phone app, each of the steps I want to show in the overlay are their own screens and activities. There are 3 parts of the sign-in process and each had their own activity that was called with startActivityForResu...
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How to check if object has any properties in JavaScript?

...d Apr 20 '10 at 6:49 Daniel VassalloDaniel Vassallo 301k6666 gold badges475475 silver badges424424 bronze badges ...
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With Spring can I make an optional path variable?

...ath variables, but you can have two controller methods which call the same service code: @RequestMapping(value = "/json/{type}", method = RequestMethod.GET) public @ResponseBody TestBean typedTestBean( HttpServletRequest req, @PathVariable String type, @RequestParam("track")...
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Git Blame Commit Statistics

... path or modify your path and use it like git authors '*/*.c' # look for all files recursively ending in .c git authors '*/*.[ch]' # look for all files recursively ending in .c or .h git authors 'Makefile' # just count lines of authors in the Makefile Original Answer While the accepted answer d...
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Using Rails 3.1 assets pipeline to conditionally use certain css

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What exactly does @synthesize do?

...then will result in having two ivars, namely someInt plus an autogenerated _someInt variable. Thus self.someInt and someInt will not address the same variables any more. If you don't expect such behavior as I did this might get you some headache to find out. ...