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stl 字符串std::string作为std::map主键key的实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
stl 字符串std::string作为std::map主键key的实例本文通过一个实例介绍std::map字符串作为key的常见用法，并使用find_if实现map按value值查找。代码如下：
#include <map>
#include <string>
#include <algorithm>
using namespace std;
class map_value_finder
{...
获取控件的值的几种方法总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...控件的值的几种方法总结最简单直观的：CString str;GetDlgItemText(IDC_EDIT_TEST, str);int d=atoi(str.GetBuffer(0));更优雅的：.h：int m_editTest;.cpp：v...最简单直观的：
CString str;
GetDlgItemText(IDC_EDIT_TEST, str);
int d=atoi(str.GetBuffer(0));
更优雅的：...
phpcms v9 留言板的两种实现方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
phpcms v9 留言板的两种实现方法phpcms留言板插件，解压后直接复制到网站更目录。然后在后台里面找到模块管理进行安装，安装后。前台访问地址 index php?m=guestbook 留言 第一种方法：使用phpcms留言板插件。
解压后直接复制到网...
mfc 按钮变成了非xp风格、界面变成windows经典样式？ - C++ UI - 清泛IT社...
... xp风格
stdafx.h中添加：
#ifdef _UNICODE
#if defined _M_IX86
#pragma comment(linker,&quot;/manifestdependency:\&quot;type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' language='*'\&quot;&quot;)
#...
Linux 网卡速率（百兆/千兆）的查看及调整 - 操作系统(内核) - 清泛网 - 专...
...大，机器是千兆网卡。但通过监控查看实际网速只到了100Mbps，通过查看网 最近遇到一个奇怪的问题，程序运行过程中网卡打满，导致服务通信全部超时，程序需要在局域网中的通信流量较大，机器是千兆网卡。但通过监控查...
Intel SMID指令集编译错误: inlining failed in call to always_inline \'x...
Intel SMID指令集编译错误: inlining failed in call to always_inline 'xxx': target specific option mismatch xxxintel_smid_compile_error最近在使用CPU指令集优化代码的时候，编译出错，报错如下： usr lib64 gcc x86_64-suse-linux 7 include avx2intrin h:252:1: error: inlining ...
Member initialization while using delegated constructor
...ndard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
...
SQL Server IIF vs CASE
I recently came to know about the availability of IIF function in SQL Server 2012. I always use nested CASE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
...
Efficient paging in SQLite with millions of records
.../last displayed values of the ordered field(s), and continue just after them when displaying the next page:
SELECT *
FROM MyTable
WHERE SomeColumn &gt; LastValue
ORDER BY SomeColumn
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When you have multiple sort columns (and SQLit...
Difference between no-cache and must-revalidate
From the RFC 2616
4 Answers
4
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