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When requests are received at the servlet container, they are forwarded to either a servlet or a filter that will handle processing the request. In Struts2, a filter is used, and the class for handli... 阅读全文
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cd /usr/lib/jvm/java-6-sun-1.6.0.10/jre/lib/fonts/ sudo mkdir fallback ln -s /usr/share/fonts/zh_CN/TrueType/simsun.ttc #你的中文字体目录 sudo mkfontdir sudo mkfontscale 阅读全文
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ORA-3113"end-of-fileoncommunicationchannel"isacatch-allerrormessagewhichsimplymeansthattheforegroundoracleclientPRocess(svrmgrl,sqlplus,RMAN,OracleFo... 阅读全文
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Write the shell / sed program which remove all the comments from a simple C program stored in your current directory. You can assume that the c source code contains only syntactically correct comment... 阅读全文
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In the Linux operating system, it is possible to recover lost data files including video, documents and archives from hard disks or from digital camera memory, such as SD cards. PhotoRec is a Linux-b... 阅读全文