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JavaScript Bit Manipulation
Ian Elliot
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Bit manipulation in JavaScript is complicated by the way it attempts to be type free, but it can be done. We take a look at how to work with bits in a browser.



Advanced Perl Regular Expressions - The Pattern Code Expression
Nikos Vaggalis
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In this part of our series exploring Perl RegEx we are going to look into another advanced construct, that of the pattern code expression ??. According to the official perldoc this "..is like a regular code expression, except that the result of the code evaluation is treated as a regular expression and matched immediately."



PHP Variables and Expressions for Complete Beginners
Ian Elliot
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Variables and expressions are the core of programming in general and no less so in PHP. If you have never encountered the ideas here is a gentle introduction.


 
 
   
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