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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
I've just lost three days of my life tracking down a very strange bug where unordered_map::insert() destroys the variable you insert. This highly non-obvious behaviour occurs in very recent compilers only: I found that clang 3.2-3.4 and GCC 4.8 are the only compilers to demonstrate this "feature"....
CSS3 Transparency + Gradient
... edited Jan 26 '16 at 13:41
Dmytro Shevchenko
27.6k66 gold badges4747 silver badges6363 bronze badges
answered Jan 30 '13 at 17:03
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Self-references in object literals / initializers
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To complete my above statement, since foo is beeing declared as a variable and c will only be evaluated at the time it is invoked, using foo inside c will work, as opposed to this (be careful though)
– Bernardo Dal ...
Looping a video with AVFoundation AVPlayer?
...iles with an audio track of a slightly different length than the video. In my case it was fine to remove the audio entirely, and that fixed the problem.
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What is the easiest way to remove all packages installed by pip?
I'm trying to fix up one of my virtualenvs - I'd like to reset all of the installed libraries back to the ones that match production.
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How do I see if Wi-Fi is connected on Android?
I don't want my user to even try downloading something unless they have Wi-Fi connected. However, I can only seem to be able to tell if Wi-Fi is enabled, but they could still have a 3G connection.
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In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
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@DanSkeel nice catch, adding $(inherited) makes my comment irrelevant, thank you!
– Yevhen Dubinin
Dec 23 '15 at 12:03
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Order of serialized fields using JSON.NET
...similar property for the JavaScriptSerializer.
– Shimmy Weitzhandler
Dec 31 '15 at 5:55
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@cangos...
ASP.NET MVC: Custom Validation by DataAnnotation
...ave a view model and decorate one of its properties with it:
public class MyViewModel
{
[CombinedMinLength(20, "Bar", "Baz", ErrorMessage = "The combined minimum length of the Foo, Bar and Baz properties should be longer than 20")]
public string Foo { get; set; }
public string Bar { get...
How to write iOS app purely in C
...s I do not know the @encode sequence of 'CGRect' off
// of the top of my head. As a result, there is a chance that the rect
// parameter of the method may not get passed properly.
class_addMethod(ViewClass, sel_getUid("drawRect:"), (IMP) View_drawRect, "v@:");
// And again, we tel...