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今天受到sun的邮件.安装系统安装成功.启动界面变了...和OpenOffice一样..字体都特别小..还要改显示.找了半天没有找到..很是郁闷..没有办法下载了一个英文的netbeans.http://www.netbeans.org/downloads/

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HTML5常见的取值与单位长度单位包括相对长度单位包括：em,ex,ch,rem,vw,vh,vmax,vmin绝对长度单位包括：cm,mm,q,in,pt,pc,pxch:数字“0”的宽度em:相对于当前对象内文本的字体尺寸。如当前

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OracleDataGuard的角色转换\日期：20130618\来源：Linux社区 作者：newhappy\字体：大中小\二、Failover一旦主数据库发生Crash（比如异常掉电、硬件故障），短时间内无法恢复运行，这时为了尽快的把业务恢复正常，通常需要执行fa

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