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Checking for NULL pointer in C/C++ [closed]
...inct.
Edit: As SoapBox points out in a comment, they are compatible with C++ classes such as auto_ptr that are objects that act as pointers and which provide a conversion to bool to enable exactly this idiom. For these objects, an explicit comparison to NULL would have to invoke a conversion to po...
How do you declare an interface in C++?
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How typical of a C++ answer that the top answer doesn't directly answer the question (though obviously the code is perfect), instead it optimizes the simple answer.
– Tim
Aug 24 '12 at 22:49
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总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...cast是把cosnt或volatile属性去掉
介绍
大多程序员在学C++前都学过C,并且习惯于C风格(类型)转换。当写C++(程序)时,有时候我们在使用static_cast<>和reinterpret_cast<>时可能会有点模糊。在本文中,我将说明static_cast<>实际上...
What exactly does an #if 0 … #endif block do?
In C /C++
9 Answers
9
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
In a small application written in C/C++, I am facing a problem with the rand function and maybe the seed :
9 Answers
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What is the lifetime of a static variable in a C++ function?
...2
Created in foo
Created in if
Destroyed in if
Destroyed in foo
[0] Since C++98[2] has no reference to multiple threads how this will be behave in a multi-threaded environment is unspecified, and can be problematic as Roddy mentions.
[1] C++98 section 3.6.3.1 [basic.start.term]
[2] In C++11 statics...
What does a colon following a C++ constructor name do? [duplicate]
What does the colon operator (":") do in this constructor? Is it equivalent to MyClass(m_classID = -1, m_userdata = 0); ?
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How would one write object-oriented code in C? [closed]
...ymorphism then yes, you can, we were doing that sort of stuff years before C++ came about.
Basically you use a struct to hold both the data and a list of function pointers to point to the relevant functions for that data.
So, in a communications class, you would have an open, read, write and close...
Deep Learning(深度学习)学习笔记整理系列之(一) - 大数据 & AI - 清泛...
Deep Learning(深度学习)学习笔记整理系列之(一)Deep_Learning_Series_1Deep Learning(深度学习)学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者:Zouxyversion 1.0 2013-04-08原文网址:h...Deep Learning(深度学习)学习笔记整理系列
zo...