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C# Float expression: strange behavior when casting the result float to int

... Look at the IL: IL_0000: ldc.i4.s 3D // speed1 = 61 IL_0002: stloc.0 IL_0003: ldc.r4 00 00 78 42 // tmp = 62.0f IL_0008: stloc.1 IL_0009: ldloc.1 IL_000A: conv.i4 IL_000B: stloc.2 The compiler reduces compile-...
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What is the correct way to create a single-instance WPF application?

... NativeMethods.PostMessage( (IntPtr)NativeMethods.HWND_BROADCAST, NativeMethods.WM_SHOWME, IntPtr.Zero, IntPtr.Zero); } } } NativeMethods.cs // this class just wraps some Win32 stuff that we're going to use...
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An error occurred while validating. HRESULT = '8000000A'

...n try to change the DWORD value for the following registry value to 0: HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\12.0_Config\MSBuild\EnableOutOfProcBuild (VS2013) or HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\14.0_Config\MSBuild\EnableOutOfProcBuild (VS2015) If this doesn't exi...
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What exactly is nullptr?

...hey have a type ( bool ). nullptr is a pointer literal of type std::nullptr_t, and it's a prvalue (you cannot take the address of it using &). 4.10 about pointer conversion says that a prvalue of type std::nullptr_t is a null pointer constant, and that an integral null pointer constant can be...
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Django “xxxxxx Object” display customization in admin action sidebar

... __unicode__ does do that. Your model should look something like this: class SomeModel(models.Model): def __unicode__(self): return 'Policy: ' + self.name On Python 3 you need to use __str__: def __str__(self): ...
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Capture characters from standard input without waiting for enter to be pressed

... use a library for that: conio available with Windows compilers. Use the _getch() function to give you a character without waiting for the Enter key. I'm not a frequent Windows developer, but I've seen my classmates just include <conio.h> and use it. See conio.h at Wikipedia. It lists getch(...
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Use ASP.NET MVC validation with jquery ajax?

...alidation Resources http://msdn.microsoft.com/en-us/vs2010trainingcourse_aspnetmvccustomvalidation_topic5.aspx Server Side NOTE: This is only for additional server side validation on top of jQuery.validation library Perhaps something like this could help: [ValidateAjax] public JsonResult Edi...
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Ask for User Permission to Receive UILocalNotifications in iOS 8

...serNotificationCategory() notificationCategory.identifier = "INVITE_CATEGORY" notificationCategory.setActions([replyAction], forContext: UIUserNotificationActionContext.Default) //registerting for the notification. application.registerUserNotificationSettings(UIUserN...
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Android: Getting a file URI from a content URI?

...o get a file:// path from the content:// URI: String filePath = null; Uri _uri = data.getData(); Log.d("","URI = "+ _uri); if (_uri != null && "content".equals(_uri.getScheme())) { Cursor cursor = this.getContentResolver().query(_uri, new String[] ...
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Python: finding an element in a list [duplicate]

...hod .index. For the objects in the list, you can do something like: def __eq__(self, other): return self.Value == other.Value with any special processing you need. You can also use a for/in statement with enumerate(arr) Example of finding the index of an item that has value > 100. for...