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MySQL multiple instances on Ubuntu
Production systems must take care of security and tweaking not covered by this post The post looks long, but you can get another instance of MySQL running in less than 5 mins Assumptions OS:?Ubunt...
分类:数据库   时间:2015-07-02 10:23:54    阅读次数:228
Project Euler:Problem 52 Permuted multiples
It can be seen that the number, 125874, and its double, 251748, contain exactly the same digits, but in a different order. Find the smallest positive integer, x, such that 2x, 3x, 4x, 5x, and 6x, con...
分类:其他好文   时间:2015-07-02 10:22:55    阅读次数:165
LeetCode139:Word Break
Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionary words.For example, given s = “leetcode”, dict = [“leet”, “co...
分类:其他好文   时间:2015-07-02 01:08:01    阅读次数:126
[LeetCode] N-Queens II
If you have solved the N-Queens problem, this one can be solved in a similar manner. Starting from the first row, we try each of its columns. If there...
分类:其他好文   时间:2015-07-01 23:35:18    阅读次数:178
连接mysql报错:error 2003 (hy000):can't connect to mysql server on 'localhost' (10061)
一、mysql 的bin目录下有个MySQLInstanceConfig.exe,运行就可以进行创建数据库实例,创建实例时也可以生成windows 服务,把服务设置成自动启动就可以了二、安装在D盘的discuzz!打开后出现上述错误,请问应如何处理?winmysqladmin已经启动,但三色树上有一...
分类:数据库   时间:2015-07-01 23:25:05    阅读次数:573
错误号码2003 Can't connect to MySQL server 'localhost' (0)
1.错误描述 错误原因 解决办法...
分类:数据库   时间:2015-07-01 22:15:31    阅读次数:935
龙芯CAN测试(sja1000)
测试方案 CAN0和CAN1相连,互相收发数据。连接方式如下图: 使用扩展模式CAN1发送数据CAN0接收数据。 使用标准模式CAN1发送数据CAN0接收数据。 使用EJTAG中bin文件夹内的can.c代码,使用callbin的方式测试CAN的收发。Can.c中CAN默认工作在扩展模式。当测试CA...
分类:其他好文   时间:2015-07-01 22:02:10    阅读次数:221
How to create .gitignore file in Windows Explorer
How to create .gitignore fileI need to add some rules to my.gitignorefile, however, I can't find it in my project folder. Isn't it created automatical...
分类:Windows程序   时间:2015-07-01 20:22:50    阅读次数:401
枚举和结构
//: Playground - noun: a place where people can play import UIKit //使用 enum 来创建枚举。如同类和其他命名类型,枚举也可以有方法 enum Rank: Int {     case Ace = 1     case Two, Three, Four, Five, Six, ...
分类:其他好文   时间:2015-07-01 18:33:33    阅读次数:106
swift流程控制
//: Playground - noun: a place where people can play import UIKit //使用 if 和 switch 作为条件控制。使用 for-in 、 for 、 while 、 do-while 作为循环。小括号不是必须的,但主 体的大括号是必需的。 let individualS...
分类:编程语言   时间:2015-07-01 18:32:58    阅读次数:139
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