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What is meant by 'first class object'?
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But I can do this in C++: int twice(int x) { return x << 1; } int (*f)(int) = twice; std::cout<<(*f)(5)<<std::endl; Does that mean C++ treats functions as first class objects (with a funny syntax)?
– Thoma...
无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...CEO李彦宏在今年政协会议上的提案“撞车”了，平时往来不多的“二李”竟然同样提议要求加快自动驾驶法规建设。
去年年底，百度的无人驾驶汽车在北京的六环上完成了公开的路测。日前，谷歌的无人驾驶汽车项目宣布将在...
MySQL search and replace some text in a field
... name, make sure you use the right kind of quotes!
– 200_success
Jun 1 at 23:38
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data.table vs dplyr: can one do something well the other can't or does poorly?
... to dplyr, we refer to dplyr's data.frame interface whose internals are in C++ using Rcpp.
The data.table syntax is consistent in its form - DT[i, j, by]. To keep i, j and by together is by design. By keeping related operations together, it allows to easily optimise operations for speed and more...
Objective-C : BOOL vs bool
...tion blocks, e.g.), when you compile for iOS 32 bits (iPhone 5C...). I use C++ bool everywhere in my code, and BOOL in the APIs that are defined with BOOL
– stephane k.
Mar 6 at 11:16
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What does (x ^ 0x1) != 0 mean?
...ually Spook is right. The test (x != 1) is not equivalent. The code can be C++ (and in C++, ^ can be an operator that does anything). So you don't know the context, @Spook is right.
– xryl669
Dec 19 '13 at 18:33
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What is the meaning of the term “free function” in C++?
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The term free function in C++ simply refers to non-member functions. Every function that is not a member function is a free function.
struct X {
void f() {} // not a free function
};
void g() {} // free function
in...
BASH copy all files except one
...1
nosnos
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What does int argc, char *argv[] mean?
In many C++ IDE's and compilers, when it generates the main function for you, it looks like this:
8 Answers
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How to resize a custom view programmatically?
...view = inflater.inflate(R.layout.active_slide, this);
view.setMinimumWidth(200);
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