#SQL
查询Oracle对象lock信息
SELECT /*+ rule */ s.username, DECODE (l.TYPE, 'TM', 'TABLE LOCK', 'TX', 'ROW LOCK', NULL …
#PHP
10个超级有用、必须收藏的PHP代码样例
作为一个正常的程序员，会好几种语言是十分正常的，相信大部分程序员也都会编写几句PHP程序，如果是WEB程序员，PHP一定是必备的，即使你没用它开发过大型软件项目，也一定多少了解它的…
#SQL
MySQL 找出使用了某列名的所有表
SELECT table_name,column_name FROM information_schema.columns WHERE column_name LIKE '% ta…
#Java
pyhooks实现键盘监控学习心得
pyhooks 下载：http://sourceforge.net/projects/pyhook/files/pyhook/1.5.1/ API手册：http://pyhook.…
#PHP
php实现简单的图片验证码
这是最简单的图片验证码： image.php <?php header("Content-type: image/png"); $string = &qu…
#Ruby
Rails 在 Controller 中选择要显示的 View
class HelloController < ApplicationController def there if Time.now.hour == 12 render(:…
#Python
输入一个整数，输出该数二进制表示中1的个数。其中负数用补码表示。
# -*- coding:utf-8 -*- class Solution: def NumberOf1(self, n): if n>=0: nbin = bin(n) c…
#Ruby
Ruby多进程并行抓取网页
#!/usr/bin/env ruby #encoding: UTF-8 # 抓取每一个站点的首页链接数量 # require 'rubygems' # 1.8.7 require…
#HTML
css中z-index与position属性的巧妙应用
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xh…
#java
Centos6.5搭建java开发环境
本文主要介绍关于CentOS系统下配置java开发环境的相关的一些基础知识。 一、安装jdk 1.查看Linux自带的JDK是否已安装 java –version 如果…
#Shell
mysql批量导出导入
#!/bin/env bash PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin ex…
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