鉴于hadoop的需要。。。但是并不限于此。。。有时候闲输入密码麻烦，也可以用这种办法从一个节点通过ssh进入另一个节点。。。设要使master进入slave是免密码的，则可以在master（ip为192.168.169.9）中如下操作：命令：ssh-keygen -t rsa 然后一路回车（该命令...
http://blog.csdn.net/kunshan_shenbin/article/details/7249713http://api.rubyonrails.org/classes/ActionView/Helpers/FormBuilder.html#method-i-fields_for...
nginx+php的配置php与nginx整合http://www.thinkphp.cn/topic/13082.html【入门篇】Nginx + FastCGI 程序（C/C++） 搭建高性能web service的Demo及部署发布fastcgi和php-fpmphp作为模块（sapi）或cg...
http://guides.rubyonrails.org/routing.html#crud-verbs-and-actionscreates seven different routes in your application, all mapping to thePhotoscontrolle...
题目描述一个核电站有N个放核物质的坑，坑排列在一条直线上。如果连续M个坑中放入核物质，则会发生爆炸，于是，在某些坑中可能不放核物质。 任务：对于给定的N和M，求不发生爆炸的放置核物质的方案总数输入格式输入文件只一行，两个正整数N，M( 1m时，f[i]=2*f[i-1]-f[i-m-1];//这是....
Next Permutation：Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangeme...
题目描述Given a non-negative integer sequence A with length N, you can exchange two adjacent numbers each time. After K exchanging operations, what’s the ...
6.3 You have a five-quart jug, a three-quart jug, and an unlimited supply of water (but no measuring cups). How would you come up with exactly four qu...
机器学习顶级会议：NIPS, ICML, UAI, AISTATS;（期刊：JMLR, ML, Trends in ML, IEEE T-NN）计算机视觉和图像识别：ICCV, CVPR, ECCV;（期刊：IEEE T-PAMI, IJCV, IEEE T-IP）人工智能：IJCAI, AAAI;...
NoSuchMethodError: resolveTypeArguments——因为spring版本冲突导致，观察解压war包后lib中有几个spring。在pom中通过exclusion解决Http 406：需要配置