linux内存cached释放我们用free命令查看系统内存使用情况的时候会发现：#free -m total used free shared buffers cachedMem: 2...我们用free命令查看系统内存使用情况的时候会发现： #free -m total used free shared buff...

Curses library not found. Please install appropriate packageCentOS安装MySql报错：-- Could NOT find Curses (missing: CURSES_LIBRARY CURSES_INCLUDE_PATH)CMake Error at cmake readli...CentOS安装MySql报错： -- Could NOT find Curses (missing: CURSES_LIBRARY CURSES_INCLUDE_PATH) CMake Err...

php 遍历目录批量转换文件编码遍历当前目录及子目录。把所有的文件编码转换为UTF-8，代码如下：< ?php php iconv.php exec it on root dir$path = dirname(__F...遍历当前目录及子目录。把所有的文件编码转换为UTF-8，代码如下： < ?php //php ...

VBA 单元格日期与当前日期比较VBA 单元格日期与当前日期比较的代码：& 39;日期小于今天的If IsDate(Worksheets("xxx") Range("A" & 0)) And CDate(Worksheets("xxx VBA 单元格日期与当前日期比较的代码： '日期小于今天的 If IsDate(Worksheets("xxx").Ra...

C++ SpinLock 自旋锁的代码实现（全网最简略的方式）cpp_spinlock1、最简单的一种，来自《C++并发编程实战》第5章 C++内存模型和原子类型操作： include <iostream> include <atomic> include <thread> include <vector> include <unistd h 1、最简单的一种，...

C# 能否获取一个对象所占内存的大小？今日，在项目重构的时候忽然想到一个问题，一个类哪些成员的增加，会影响一个类所占内存的大小？C#有没有办法知道一个对象占多少内存呢？ ...今日，在项目重构的时候忽然想到一个问...

自动生成Linux下Makefile全攻略（automake原理）本文假定大家对Makefile自动化编译有基本的了解，Linux编译安装软件的方法的主要步骤及输出结果如下：1、. configure 输出Makefile文件2...本文假定大家对Makefile自动化编译有基本的了解（...

...select * from user_role_privs; 查看当前用户的角色 清泛网注：以下内容更详细深入，来源：http://www.cnblogs.com/net2012/archive/2013/01/21/2869636.html 问题：如何知道一个session都执行过哪些SQL语句？（查看当前比较容易，历史的呢...

How To Capture A Minidump: Let Me Count The WaysAs I was waiting for a minidump I was grabbing on a very large and busy server application to finish writing,...As I was waiting for a minidump I was grabbing on a very large and busy server application to finish writing, my mind wandered and I realize...

'graphic' : undeclared identifier graphic-undeclared-identifiererror C2065: graphic : undeclared identifier FromFile : is not a member of Gdiplus error C2065: 'graphic' : undeclared identifier 'FromFile' : is not a member of 'Gdiplus' 解决方法： #include <afxcontrolbars.h> // MFC...