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[Node.js] Level 6. Socket.io
6.2Setting Up socket.io Server-SideSo far we've created an Express server. Now we want to start building a real-time Q&A moderation service and we've ...
分类:Web程序   时间:2014-11-17 22:46:42    阅读次数:420
[Grunt] Cleaning your build folder with grunt-contrib-clean
Grunt will clean up your build with the grunt-contrib-clean to make sure that no artifacts from previous builds are hanging around.Install:npm install...
分类:其他好文   时间:2014-11-17 19:14:46    阅读次数:263
LeetCode:Path Sum
题目描述: Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. For example: Given the below binary tr...
分类:其他好文   时间:2014-11-17 10:48:34    阅读次数:134
[Elasticsearch] 集群的工作原理 - 第一部分
本文翻译自Elasticsearch官方指南的life inside a cluster一章。 ES就是为高可用和可扩展而生的。扩展可以通过购置性能更强的服务器(垂直扩展或者向上扩展,Vertical Scale/Scaling Up),亦或是通过购置更多的服务器(水平扩展或者向外扩展,Horizontal Scale/Scaling Out)来完成。 尽管ES能够利用更强劲的...
分类:其他好文   时间:2014-11-17 10:44:03    阅读次数:253
Leetcode-Unique Paths II
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
分类:其他好文   时间:2014-11-17 06:53:34    阅读次数:138
Leetcode-Set Matrix Zeroes
Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up: Did you use extra spac...
分类:其他好文   时间:2014-11-17 00:23:53    阅读次数:244
Two Sum
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
分类:其他好文   时间:2014-11-16 21:28:53    阅读次数:140
Linux下有线无线网络配置------命令模式
1. 列出启用网络设备的所有信息:ifconfig2. 将网络设备设置为启用或者不启用 不启用设备eth0ifconfig eth0 down 启用设备eth0: Will bring eth0 up if it is currently down.ifup eth0 停止设备eth0:Wil...
分类:系统相关   时间:2014-11-16 20:02:14    阅读次数:144
Linked List Cycle II
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?本来不...
分类:其他好文   时间:2014-11-16 17:10:02    阅读次数:276
OpenCV Tutorials —— Scan images
color space reduction divide the color space current value with a new input value to end up with fewer colors. For instance every value between zero a...
分类:其他好文   时间:2014-11-16 17:08:55    阅读次数:169
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