文件管理命令?基本命令:ls、cd、pwd、man?文件操作:touch、cp、rm、mv、ln、mkdir、rmdir、?文件查看:cat、more、less、head、tail?文件权限:chmod、chgrp、chown?文件搜索:which、whereis、grep、find、wc1、ls打...
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系统相关 时间:
2014-06-22 23:58:30
阅读次数:
447
线性回归(linear regression)实践篇
之前一段时间在coursera看了Andrew ng的机器学习的课程,感觉还不错,算是入门了。这次打算以该课程的作业为主线,对机器学习基本知识做一下总结。小弟才学疏浅,如有错误,敬请指导。
问题原描述:
you will implement linear regression with one
variable to pred...
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其他好文 时间:
2014-06-22 22:53:02
阅读次数:
361
前面我们讲解了的J2EE的技术都是服务端的技术,下面我们来看一下前端的一些开发技术,这一篇我们来看一下jQuery技术
简介:
jQuery由美国人John Resig创建,至今已吸引了来自世界各地的众多
javascript高手加入其team。
jQuery是继prototype之后又一个优秀的Javascript框架。其宗旨是——WRITE LESS,DO MORE,写更少的代...
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Web程序 时间:
2014-06-22 18:23:33
阅读次数:
356
The partial sum problem
时间限制:1000 ms | 内存限制:65535 KB
难度:2
描述One day,Tom’s girlfriend give him an array A which contains N integers and asked him:Can you choose some integers from the N ...
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其他好文 时间:
2014-06-22 18:00:48
阅读次数:
166
题目如下:
Oil Deposits
The GeoSurvComp geologic survey company is responsible for detectingunderground oil deposits. GeoSurvComp works with one large rectangularregion of land a...
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其他好文 时间:
2014-06-22 14:36:31
阅读次数:
232
Is it a dream that you can access text files using SQL statements?
But now, it is true that DB Query Analyzer provides you a power tool which can help you realize the dream above. I’ll give you a sample to show its powerful function. What’s more, the p...
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数据库 时间:
2014-06-21 18:41:54
阅读次数:
510
1. Introduction HTB is meant as a more understandable, intuitive and faster replacement for the CBQ qdisc in Linux. Both CBQ and HTB help you to contr...
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系统相关 时间:
2014-06-21 15:40:55
阅读次数:
416
Running KVM and Openvswitch on Ubuntu 12.10 I’ve got an aging VMWare ESXi 4.0 server that needs to be replaced with something a little more modern and...
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其他好文 时间:
2014-06-21 14:53:30
阅读次数:
338
GETTING STARTED OPENFLOW OPENVSWITCH TUTORIAL LAB : SETUP For a more up to date tutorial as anything more then 6 months old is outdated in the world o...
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其他好文 时间:
2014-06-21 14:52:12
阅读次数:
347
(image from Anatomy of an open source cloud) A cloud data center consists of large numbers of physical servers, each running a hypervisor with one or ...
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其他好文 时间:
2014-06-21 14:48:04
阅读次数:
225