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How to convert currentTimeMillis to a date in Java?

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Determine font color based on background color

...n color... double luminance = ( 0.299 * color.R + 0.587 * color.G + 0.114 * color.B)/255; if (luminance > 0.5) d = 0; // bright colors - black font else d = 255; // dark colors - white font return Color.FromArgb(d, d, d); } This was tested for many various colo...
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How to load an ImageView by URL in Android? [closed]

... 717 From Android developer: // show The Image in a ImageView new DownloadImageTask((ImageView) fin...
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UILabel - auto-size label to fit text?

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Multiline syntax for piping a heredoc; is this portable?

... 105 Yes, the POSIX standard allows this. According to the 2008 version: The here-document sha...
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Set Viewbag before Redirect

...ection, you shall not use ViewBag, but TempData public ActionResult Action1 () { TempData["shortMessage"] = "MyMessage"; return RedirectToAction("Action2"); } public ActionResult Action2 () { //now I can populate my ViewBag (if I want to) with the TempData["shortMessage"] content ViewBag.Mess...
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Is it possible to make a type only movable and not copyable?

... 165 Preface: This answer was written before opt-in built-in traits—specifically the Copy aspects...
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Is it safe to delete an object property while iterating over them?

... 117 +100 The EC...
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How to add Web API to an existing ASP.NET MVC 4 Web Application project?

... to an ASP.NET MVC 4 Web Application project, developed in Visual Studio 2012. Which steps must I perform to add a functioning Web API to the project? I'm aware that I need a controller deriving from ApiController, but that's about all I know. ...
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How do I debug Node.js applications?

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