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JS生成指定长度的随机数
1 /** 2 * 生成指定长度的UUID 3 * @param len 4 * @param radix 5 * @returns uuid 6 * eg: createUUID(8, 2) "01001010" createUUID(8, 10) "47473046" createU...
分类:Web程序   时间:2015-04-16 14:16:28    阅读次数:165
iOS多线程GCD
rand Central Dispatch (GCD)是Apple开发的一个多核编程的解决方法。 dispatch queue分成以下三种: 1)运行在主线程的Main queue,通过dispatch_get_main_queue获取。 /*! * @function dispatch_get_main_queue * * @abstract * Returns the d...
分类:移动开发   时间:2015-04-14 11:19:45    阅读次数:172
[LeetCode]191.Number of 1 Bits
题目Write a function that takes an unsigned integer and returns the number of ’1’ bits it has (also known as the Hamming weight).For example, the 32-bit integer ’11’ has binary representation 00000000000...
分类:其他好文   时间:2015-04-12 21:12:01    阅读次数:130
mysql函数
备用(1)判断database是否存在DELIMITER $$ DROP FUNCTION IF EXISTS `func_check_db_exists`$$ CREATE FUNCTION `func_check_db_exists`(db_name varchar(64)) RETURNS v...
分类:数据库   时间:2015-04-12 17:28:00    阅读次数:180
android performClick使用说明
performClick 是使用代码主动去调用控件的点击事件(模拟人手去触摸控件) boolean android.view.View.performClick() Call this view's OnClickListener, if it is defined. Returns:True there was an assigned OnClickListen...
分类:移动开发   时间:2015-04-11 13:22:18    阅读次数:201
191 Number of 1 Bits
最近想刷一下LeetCode练习一下数据结构算法之类的,先从水题开始吧题目是这样的Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as theH...
分类:其他好文   时间:2015-04-10 13:11:14    阅读次数:117
摆脱jquery,用自己的JS库实现ajax功能
可以将下面的代码保存在一个文件里如:myAjax.js,以后在项目中如果觉得jquery那一套很重,就完全可以使用自己的ajax库,不用担心性能和兼容性!/*** 创建ajax请求对象* @returns XMLHTTPREQUEST*/function createAjaxObj(){ var r...
分类:Web程序   时间:2015-04-08 21:16:35    阅读次数:153
Number of 1 Bits
Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight).For example, the 32-bit i...
分类:其他好文   时间:2015-04-08 12:21:36    阅读次数:101
191. Number of 1 Bits
Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as theHamming weight).For example, the 32-bit in...
分类:其他好文   时间:2015-04-08 07:58:32    阅读次数:106
[LeetCode] Number of 1 Bits
Number of 1 Bits   Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11' has bin...
分类:其他好文   时间:2015-04-07 15:43:06    阅读次数:125
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