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Why is sizeof considered an operator?
Why is sizeof considered an operator and not a function?
10 Answers
10
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What is a stored procedure?
What is a "stored procedure" and how do they work?
17 Answers
17
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Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...程编程的基本方法及同步机制，还介绍了进程间通信IPC（InterProcess Communication）的几种方式。并通过一定的实例介绍相关技术在实际中的运用情况，使读者能够对Linux环境下进程与线程编程在整体上有一定的把握。
关键字：Linux...
Why does ~True result in -2?
...
int(True) is 1.
1 is:
00000001
and ~1 is:
11111110
Which is -2 in Two's complement1
1 Flip all the bits, add 1 to the resulting number and interpret the result as a binary representation of the magnitude and add a negative sign (since the number begins...
Exact time measurement for performance testing [duplicate]
...d Mar 24 '13 at 11:05
Ivaylo Strandjev
62.1k1313 gold badges104104 silver badges159159 bronze badges
answered Jun 9 '09 at 10:40
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How to remove all the occurrences of a char in c++ string
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Basically, replace replaces a character with another and '' is not a character. What you're looking for is erase.
See this question which answers the same problem. In your case:
#include <algorithm>
str.erase(std::remove(str.begin(), str.end(), 'a'), str.end());
Or us...
NOT IN vs NOT EXISTS
...operator to the plan. This apparatus is explained here. It is all there to convert the previous single correlated index seek on Sales.SalesOrderDetail.ProductID = <correlated_product_id> to two seeks per outer row. The additional one is on WHERE Sales.SalesOrderDetail.ProductID IS NULL.
As t...
Linux automake自动编译全攻略 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
代码如下：
lib目录下头文件calc.h：
#include <stdio.h>
int add(int a, int b);
lib目录函数实现calc.c：
#include "calc.h"
int add(int a, int b)
{
return a + b;
}
主目录下测试代码test.c：
#include <stdio.h>
#include "lib/calc.h"
int main(i...
Linux automake自动编译全攻略 - 脚本技术 - 清泛IT社区，为创新赋能！
...
代码如下：
lib目录下头文件calc.h：
#include <stdio.h>
int add(int a, int b);复制代码lib目录函数实现calc.c：
#include "calc.h"
int add(int a, int b)
{
return a + b;
}复制代码
主目录下测试代码test.c：
#includ...
【解决】标准库std::min/std::max 与 Windows.h中的宏 min/max 冲突问题 - ...
...了Windows h的 C++ 源代码中使用std::min std::max会出现错误。int main(){ int x = std::max(0, 1); int y = std::min(-1, 0);}error C2589: & 在包含了 Windows.h 的 C++ 源代码中使用 std::min/std::max 会出现错误。
int main()
{
int x = std::max(0, 1);
int y...