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C#位运算符（C#按位与、按位或 等） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...为0000000011111111)。
main() {
int a=9,b=5,c;
c=a&b;
printf("a=%d\nb=%d\nc=%d\n",a,b,c);
}
二、 按位或运算符(|)
1、运算规则
参加运算的两个数据，按二进位进行“或”运算，如果两个相应的二进位都为0，则该位的结果值...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
I'm making a simple, very lightweight front-controller. I need to match request paths to different handlers (actions) in order to choose the correct one.
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List all indexes on ElasticSearch server?
I would like to list all indexes present on an ElasticSearch server. I tried this:
22 Answers
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C++ Tuple vs Struct
Is there is any difference between using a std::tuple and a data-only struct ?
12 Answers
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Why do we not have a virtual constructor in C++?
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Hear it from the horse's mouth. :)
From Bjarne Stroustrup's C++ Style and Technique FAQ Why don't we have virtual constructors?
A virtual call is a mechanism to get work done given partial
information. In particular, "virtual" allows us to call a function
knowing only any ...
Automatically enter SSH password with script
I need to create a script that automatically inputs a password to OpenSSH ssh client.
19 Answers
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LINUX: Link all files from one to another directory [closed]
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ln -s /mnt/usr/lib/* /usr/lib/
I guess, this belongs to superuser, though.
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Tooltip on image
I am using the tooltip. But I want that on image tag, like when I mouseover the image then the tooltip should work. I have tried but not working for me on image tag.
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浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升
浮点数在内存中的表示Float_Memory_Representation浮点数 内存 补码 阶码 尾数一般我们常见的字符型、整型在内存中采用标准的二进制存储，但是程序员往往容易忽略浮点数在内存中的储存方式，从而会导致一些误用，最常见的是浮...
std::find，std::find_if使用小结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...or>
#include <algorithm>
int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
std::vector<std::string> vec;
vec.push_back("one");
vec.push_back("two");
vec.push_back("three");
//查找
std::vector<std::string>::iterator it = std::find(vec.begin(), vec.end(), "two");
if (it != vec....