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Private and Protected Members : C++
...e base class, but if that's not possible then use protected members. Check C++ FAQ for a better understanding of the issue. This question about protected variables might also help.
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Unable to load DLL (Module could not be found HRESULT: 0x8007007E)
I have dll library with unmanaged C++ API code I need to use in my .NET 4.0 application. But every method i try to load my dll i get an error:
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Java Class.cast() vs. cast operator
Having being taught during my C++ days about evils of the C-style cast operator I was pleased at first to find that in Java 5 java.lang.Class had acquired a cast method.
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
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C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function.
The rationale includes that checking if every code ...
多媒体组件 · App Inventor 2 中文网
...系统中选择一个文件。
还可以通过调用其 打开 方法以编程方式打开选择器。
使用文件选择器组件需要 Android 4.4 或更高版本、iOS 11 或更高版本。要求AI伴侣v2.68及以上。
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操作
设置 文件选择器 所需的操作。有如下选...
Polymorphism in C++
...int and double), finding and executing distinct type-appropriate code.
C++ mechanisms for polymorphism
Explicit programmer-specified polymorphism
You can write f() such that it can operate on multiple types in any of the following ways:
Preprocessing:
#define f(X) ((X) += 2)
// (note: in re...
Virtual functions and performance - C++
... functions (and more) is Member Function Pointers and the Fastest Possible C++ Delegates.
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DirectX SDK (June 2010) Installation Problems: Error Code S1023
...ers\\AppData\Local\Temp) for the most recent file named
Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ##
and check if you have the following error
Installation Blockers:
A newer version of Microsoft Visual C++ 2010 Redistributable has been detected on the machine...
Why do you use typedef when declaring an enum in C++?
I haven't written any C++ in years and now I'm trying to get back into it. I then ran across this and thought about giving up:
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What new capabilities do user-defined literals add to C++?
C++11 introduces user-defined literals which will allow the introduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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