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perl treat 0 false, non 0 ture.print "false\n" if 0;print "false\n" if 0;------------------------tureperl treat string empty is false.my $temp = "";pr... 阅读全文
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$_This is a special array for the subroutine duration.U can access it by use $_[]. So the first parmater will be $_[0].The @_ variable is private to t... 阅读全文
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$0 is the name of the script itself, $1 is the first argument, $2 the second, $3 the third, and so forth.[27] After $9, the arguments must be enclosed in brackets, for example, ${10}, ${11}, ${12}.The special variables $* and $@ denote all the positional parameters.The shift command reassigns the po 阅读全文
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Unlike mysql or SQLServer, Oracle does not have a "use database" command that allows you to switch your default schema to something other than your own.Why would you want to do this? Well, in oracle each database user is assigned a schema with the same name as the name of the database user 阅读全文
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Window > Preferences > Maven and checking the "Download Artifact Sources" and "Download Artifact JavaDoc" options. 阅读全文
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This page is only use for keep memeroy of spring and hibernate 阅读全文
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Pelease refer this tutorial,http://www.mkyong.com/maven/how-to-include-library-manully-into-maven-local-repository/ 阅读全文