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C++ typeid实现原理
最近看了boost::any类源码,其实现主要依赖typeid操作符。很好奇这样实现的时间和空间开销有多大,决定探一下究竟。VS2008附带的type_info类只有头文件,没有源文件,声明如下:[cpp]view plaincopyclasstype_info{public:virtual~typ...
分类:编程语言   时间:2015-11-30 07:11:56    阅读次数:225
[LeetCode][JavaScript]Minimum Height Trees
Minimum Height TreesFor a undirected graph with tree characteristics, we can choose any node as the root. The result graph is then a rooted tree. Amon...
分类:编程语言   时间:2015-11-29 21:19:38    阅读次数:256
[Javascript] What is JavaScript Function Currying?
Currying is a core concept of functional programming and a useful tool for any developer's toolbelt.Example 1:let f = a => b => c => a+b+c;let result ...
分类:编程语言   时间:2015-11-29 06:19:04    阅读次数:140
Happy Number
Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer...
分类:移动开发   时间:2015-11-28 12:01:16    阅读次数:216
解决方法:未在本地计算机上注册“Microsoft.Jet.OLEDB.4.0”提供程序
win7或win8 64位调试程序,出现这样的错误提示:未在本地计算机上注册 Microsoft.Jet.OLEDB.4.0 提供程序解决方法如下:方法一:“设置应用程序池默认属性”/“常规”/”启用32位应用程序”,设置为 true。 如下图所示:方法二:生成->配置管理器->平台->点击Any ...
分类:数据库   时间:2015-11-28 10:25:15    阅读次数:151
hdu 5534 Partial Tree(完全背包)
Problem DescriptionIn mathematics, and more specifically in graph theory, a tree is an undirected graph in which any two nodes are connected by exactl...
分类:其他好文   时间:2015-11-27 21:54:29    阅读次数:285
[LeetCode] Minimum Height Trees 最小高度树
For a undirected graph with tree characteristics, we can choose any node as the root. The result graph is then a rooted tree. Among all possible roote...
分类:其他好文   时间:2015-11-27 14:34:20    阅读次数:337
ural 1346. Intervals of Monotonicity
1346. Intervals of MonotonicityTime limit: 1.0 secondMemory limit: 64 MBIt’s well known that a domain of any continuous function may be divided into i...
分类:其他好文   时间:2015-11-26 23:22:16    阅读次数:282
socket用法
INADDR_ANY是ANY,是绑定地址0.0.0.0上的监听, 能收到任意一块网卡的连接;INADDR_LOOPBACK, 也就是绑定地址LOOPBAC, 往往是127.0.0.1, 只能收到127.0.0.1上面的连接请求是用于多IP机器上 比如你的机器有三个ip 192.168.1.1 ...
分类:其他好文   时间:2015-11-26 01:09:02    阅读次数:190
require js 将config和入口函数分开写
原文地址https://github.com/jrburke/requirejs/issues/354Area there any plans to standardize/recommend a particular approach? If there is, I would suggest t...
分类:Web程序   时间:2015-11-25 22:16:03    阅读次数:396
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