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Command line Perl for sysadmins: 03.24.06

Posted by wimac in programming.
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Using perl -e allows you to specify a script right on the command line. It’s a powerful, underused feature even for people who use Perl regularly. Perl’s powerful command line options make it a more flexible replacement for sed, awk, and even vi. Combine perl -e with the command line editing capability of modern shells and you can, write, test, and debug in record time. The -p option tells Perl to act as a stream editor similar to sed and awk. Perl with the -e and -p options can make a nice addition to your Unix toolbox. Perl has a more familiar syntax than sed and awk for C programmers, and much more powerful

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C++ Article: The Rule Of Three 03.02.06

Posted by wimac in programming.
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The Rule Of Three is an absolute must to understand for any C++ programmer. It covers the copy constructor, operator=() and the destructor as a combination to fulfill some basic and fundamental requirements when it comes to building a class (or C++ struct) where members allocate memory in a dynamic way.

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