摘要： 之前发布了mysql主从配置的博客，配置完成之后，那么我们肯定要拿主从来做点什么。 我第一想到的就是mysql的读写分离，让读写分离之后可以大大的提供mysql的性能，比单纯用mysql主从做备份好很多。 网上找了很多，但是配置确实差别不大，实现的方式也大同小异，但是需要指出的是，如果你和我一样使用 阅读全文

摘要： 首先确定安装配置的环境 centOS7，mysql5.6 在配置之前要保证的几个点 1、系统防火墙，如果只是测试，可以关闭防火墙，如果不是测试，请开发需要使用的端口号，如3306； 开放端口 firewall-cmd --zone=public --add-port=3306/tcp --perma 阅读全文

摘要： I gunned my deafening engine to life, ignoring the heads that turned inmy direction, and backed carefully into a place in the line of cars that were w 阅读全文

摘要： Given two non-negative numbers num1 and num2 represented as string, return the sum of num1 and num2. Note: 我的第一个想法就是选好两个字符串，然后模拟加法进位，然后用一个字符串接着，同时记住进位 阅读全文

摘要： Last night I'd discovered that Charlie couldn't cook much besides friedeggs and bacon. 昨天晚上我终于发现查理除了煎蛋和熏肉什么也不会做。 So I requested that I be assigned kit 阅读全文

摘要： Given a sorted linked list, delete all duplicates such that each element appear only once. For example, Given 1->1->2, return 1->2. Given 1->1->2->3-> 阅读全文

摘要： I was relieved that I had the desk to myself, that Edward was absent. 我能一个人一张桌子很开心，就因为Edward 没来。 I told myself that repeatedly. 我不断的对自己说。 But I couldn 阅读全文

摘要： I walked to Biology with more confidence when, by the end of lunch, he still hadn't showed. 经过中午饭之后我更有信心去上生物课了，因为他任然没有出现。 Mike, who was taking on the 阅读全文

摘要： Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your 阅读全文

摘要： But when I walked into the cafeteria with Jessica — 但是当我和Jessica 一起走进自助餐厅的时候 trying to keep my eyes from sweeping the place for him, and failing entir 阅读全文