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Is there a way to specify how many characters of a string to print out using printf()?
...8 chars: %.8s\n", "A string that is more than 8 chars");
If you're using C++, you can achieve the same result using the STL:
using namespace std; // for clarity
string s("A string that is more than 8 chars");
cout << "Here are the first 8 chars: ";
copy(s.begin(), s.begin() + 8, ostream_ite...
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
lua和c/c++互相调用实例分析lua作为小巧精悍的脚本语言，易于嵌入c c++中 ， 广泛应用于游戏AI ，实际上在任何经常变化的逻辑上都可以使用lua实现，配合c c++实现的...lua作为小巧精悍的脚本语言，易于嵌入c/c++中 ， 广泛应用于游...
Unresolved external symbol on static class members
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If you are using C++ 17 you can just use the inline specifier (see https://stackoverflow.com/a/11711082/55721)
If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y
unsigned char test...
Type erasure techniques
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All type erasure techniques in C++ are done with function pointers (for behaviour) and void* (for data). The "different" methods simply differ in the way they add semantic sugar. Virtual functions, e.g., are just semantic sugar for
struct Class {
stru...
NodeJS - Error installing with NPM
... So when i install it on a linux box. What do i do in place of ms vc++? And i get this when i did all the things u mentioned. - pastebin.com/LgJEKFFS
– Shaurya Chaudhuri
Jan 26 '14 at 17:37
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Why isn't std::initializer_list a language built-in?
It seems to me that it's quite an important feature of C++11 and yet it doesn't have its own reserved keyword (or something alike).
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从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术
...。在这种学习环境下 ,学生的学习动机明显增强 ,计算机编程能力也得到快速提高。
像 Active Worlds一样 , SL也允许教学设计者创作教育游戏和仿真 ,但是与其他平台不同的是 ,在 SL中内容生成工具不仅仅对管理员和开发者开放 ,...
Function Pointers in Java
...of delegates, which relates strongly to the idea of function pointers from C++. Is there a similar functionality in Java? Given that pointers are somewhat absent, what is the best way about this? And to be clear, we're talking first class here.
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“Undefined reference to” template class constructor [duplicate]
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This is a common question in C++ programming. There are two valid answers to this. There are advantages and disadvantages to both answers and your choice will depend on context. The common answer is to put all the implementation in the header file, but t...
Why C# implements methods as non-virtual by default?
... C#, there are many things in syntax and semantics that come straight from C++. The fact that methods where not-virtual by default in C++ influenced C#.
2- Having every method virtual by default is a performance concern because every method call must use the object's Virtual Table. Moreover, this s...