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What does “@” mean in Windows batch scripts

I saw @ is used in such contexts: 7 Answers 7 ...
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How to get the root dir of the Symfony2 application?

What is the best way to get the root app directory from inside the controller? Is it possible to get it outside of the controller? ...
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Doctrine and composite unique keys

I want to do composite unique key in doctrine. Those are my fields: 3 Answers 3 ...
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How to exit a function in bash

How would you exit out of a function if a condition is true without killing the whole script, just return back to before you called the function. ...
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Indentation in Go: tabs or spaces?

Is there a standard Google Go coding conventions document somewhere that sets whether tabs or spaces are preferred for indentation in Go source code? If not, what is the (statistically) more popular option? ...
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git pull VS git fetch Vs git rebase

Another question said git pull is like a git fetch + git merge . 2 Answers 2 ...
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

C语言面试那些事儿──一道指针与数组问题首先看如下代码:int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码: int main(int argc, char** argv) { int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...
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C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术

C/C++获取Windows的CPU、内存、硬盘使用率1.获取Windows系统内存使用率 Win 内存 使用率 DWORD getWin_MemUsage(){MEMORYSTATUS ms;::GlobalMemoryStatus(&ms);return ms.d...1.获取Windows系统内存使用率 //Win 内存 使用率 DWORD getWin_MemUsage() { MEMORYSTATUS m...
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c/c++取结构体指定成员的偏移,及原理解析 - C/C++ - 清泛网 - 专注C/C++及内核技术

c/c++取结构体指定成员的偏移,及原理解析c_offset_of可以使用std标准函数 offsetof(),在stddef h头文件中,实现原理如下(模拟系统的实现): define MY_STRUCT_OFFSET(s, m) ((size_t)(& ((s*)0)->m ))原理如下:1、0即空指 可以使用std标准函数 of...
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What does the slash mean in help() output?

...hat does the / mean in Python 3.4's help output for range before the closing parenthesis? 3 Answers ...