.....刚装好了 RedHat 6 系统,但是使用 yum 的时候总是提示 nothing to do,并且什么都做不了。后来经过一番搜索才知道,红帽的 yum 在线更新是收费的,而且必须注册系统之后才能使用。之前使用 Ubuntu 的时候由于国外的 apt-get 源过慢是可以更新国内的源的,L...
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其他好文 时间:
2014-11-25 01:40:29
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182
Download interrupted: hostname in certificate didn't match: != Download interrupted: Connection tohttps://dl-ssl.google.comrefusedDone. Nothing was i....
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移动开发 时间:
2014-11-23 12:55:02
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155
Grateful for everything; entitled to nothing.沒有任何事情是你不该感激的;沒有任何东西是你该派得到的。Leadership is the ability to make those around you better and more productive...
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其他好文 时间:
2014-11-15 18:38:31
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237
一、DataGridView 取得或者修改当前单元格的内容:当前单元格指的是 DataGridView 焦点所在的单元格,它可以通过 DataGridView 对象的 CurrentCell 属性取得。如果当前单元格不存在的时候,返回Nothing(C#是null)// 取得当前单元格内容Conso...
1. View只是存储下来的sql 语句 Views are nothing but saved SQL statements, and are sometimes referred as “Virtual Tables”. Keep in mind that Views cannot store ...
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数据库 时间:
2014-11-06 16:28:49
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296
DescriptionA tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edg...
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其他好文 时间:
2014-11-05 16:44:11
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137
使用Python可以很快得到一些系统的信息,比如平台,字节序,和Python最大递归限制,比如:import sys# get byte orderprint sys.byteorder# get platform print sys.platform# nothing to say ^_^pri....
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编程语言 时间:
2014-11-01 19:04:48
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236
本文介绍Android中Intent的各种常见作用。
1 Intent.ACTION_MAIN
String: android.intent.action.MAIN
标识Activity为一个程序的开始。比较常用。
Input:nothing
Output:nothing
activity android:name=".Main...
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移动开发 时间:
2014-10-31 15:44:27
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231
Recently Yaghoub is playing a new trick to sell some more. When somebody gives him A Tomans,
he who never has appropriate changes, asks for B Tomans such that lowest common multiple of A and B equal...
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其他好文 时间:
2014-10-29 21:35:13
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253
October 23, 2014 19:00~21:00 Feishang Cafe
Still vague listening, still little speaking. Nothing has been improved.
Members' Speeches
There were four members giving their wo...
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其他好文 时间:
2014-10-26 14:23:31
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201