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Golang并发数的控制
package mainimport ( "fmt" "sync" "time")func main() { wg := &sync.WaitGroup{} limiter := make(chan bool, 10) for i := 0; i < 100; i++ { wg.Add
redhat 6.5 php 升级到5.6
1. Verify current version of PHP Type in the following to see the current PHP version: php -v Should output something like: PHP 5.3.3 (cli) (built: Jul 9 2015 17:39:00) Copyright (c) 1997-2010 The PHP GroupZend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies Great, now we can move on! 2. Install the Remi and EPEL RPM repositories If you haven’t already done so, install the Remi and EPEL repositories&nb
sql 2000 分页存储过程
代码如下：set ANSI_NULLS ON set QUOTED_IDENTIFIER ON go -- [SelectBase] 1,1,'( select j.*,u.P_Name from Job j left join Users u on j.UserID=u.ID) T','Flag=0' alter procedure [SelectBase] @PageIndex &
数组方法整理
操作数组的方法子曾经曰过，这是基本功，就和练武的马步一样！数组的基本方法一、原数组改变1.push()释义：向数组的末尾添加内容；参数：一个或多个元素；(多个居然也可以)原数组：改变；返回值：新数组的长度。var arr = [1, 2, 3]var length = arr.push(1)console.log(arr) // [1, 2, 3, 1]console.log(length) // 42.pop()释义：从数组中删除最后一个元素；参数：无；原数组：改变；返回值：删除的元素。var arr = [1, 2, 3]var el = arr.pop()console.log(arr) // [1, 2]console.log(el)