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PermGen space的全称是Permanent Generation space,是指内存的永久保存区域OutOfMemoryError: PermGen space从表面上看就是内存益出，解决方法也一定是加大内存。说说为什么会内存益出：这一部分用于存放Class和Meta的信息,Class在被 Load的时候被放 ...
http://dzh001.blog.51cto.com/2767/40624
我的这些文字是从这几年来的 PuTTY 使用经验中慢慢得来的，也不仅仅是介绍 PuTTY，还包括了一些相关的软件，比如：优秀的 FTP 工具 FileZilla、功能强大的 SFTP 客户端 WinSCP。
杂七杂八的乱说了一些， ...
- 2009-10-18 20:54
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As Geeks we are expected to have a certain set of skills that the majority of the population does not possess. This list is by no means complete, but I think it is a good sample of the skills required to be a true geek. I won’t pretend to have all the skills listed here. I even had to Google a few of ...
- 2009-07-14 09:31
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最近在rails开发中有用到下拉列表的元素，用来描述和区分用户的类型.
类型包括
学生,值为stu，
教师，值为tea, 该信息保存在USER_TYPE中，
USER_TYPES = [
[ "学生", "stu" ],
[ "教师", "tea" ],
].freeze
view层代码为:
<p>
<label for="user_type">类型：</label>
<%=
options = [[" ...
- 2009-03-22 14:10
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Terminator是一款多窗口Linux终端，它支持将窗口拆分成多个，可以很方便的在各个不同的窗口上执行不同的任务。
安装后，不能实现原来终端的透明效果，经过查找可以这样解决。
原话：
Apparently it was disabled in 0.8.1 due to bug, since 8.10 release of Ubuntu comes with 0.11 release of Terminator, transparency can be enabled back. I think they just forgot to remove the default check. You ...
- 2009-03-04 19:44
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