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Target:{PHP}{python}{perl}
如何处理这行错误消息？Please install the gcc make perl packages from your distribution。This system is not registered with an entitlement se
Pickup Knowledge forPerl and Version Upgrade1. Installation>perl -vThis is perl 5, version 12, subversion 4 (v5.12.4)Upgrade
@filelist = map {$_->[0]} sort {$a->[1] <=> $b->[1]} map {[$_, [9] ]} @filelist;前几天看到如上一行Perl代码， 其作用是将给定一个文件名列表，根
正则表达式最早是由 Ken Thompson 于 1970 年在他改进过的 QED 编辑器里实现的，正则里最简单的元字符 “.” 在当时所匹配的就是除换行符外的任意字符：。"." is a regular expression whic
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