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Monthly Archives: August 2010
PHP: What is More Powerful Than list() – Perhaps extract()
list() in PHP Recently I wrote about list() in PHP which is indeed very powerful when assigning variable values from array elements. $a = array(10, array(’here’, ‘are’, ‘some’, ‘tests’)); list($count, $list) = $a; Actually my example in the post was … Continue reading
Posted in micro tutorial, PHP
Tagged array, Arrays, Associative array, Comparison of programming languages, Computer programming, Computing, Data structures, Data types, PHP, post
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Beginning Algorithm Complexity and Estimation
Which is the Fastest Program? When a programmer sees a chunk of code he tends to evaluate it in a rather intuitive manner and to qualify it as “elegant” or not. This is quite easy, because it’s subjective and nobody … Continue reading
Posted in micro tutorial, PHP
Tagged algorithms, Analysis of algorithms, Asymptotic analysis, Big O notation, C syntax, complexity, example, how-to, IP, Lenstra elliptic curve factorization, Mathematical analysis, Mathematical notation, Mathematics, Negation, PHP, programmer, tutorial, Variable
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PHP: What is More Powerful Than list()
First of all list() is not an unknown method in the PHP community, where almost every PHP developer knows what it does. The pity is that it has, perhaps, remained useless, although there is hidden power in it! What is … Continue reading
JavaScript Flexibility – Regex match()
Today after two posts [#1, #2] in the past days here’s something that shows again the JavaScript power. This is not a complete example, but it’s good to start. var str = ‘/text/1/text/2/’; var a = str.match(/(\d+)/gi); console.log(a); in that … Continue reading
Flexible JavaScript – Replace in a String
Here’s yet another example of the JavaScript flexibility. You can simply call .replace() on every string and pass a regex as a parameter! var str = ‘my simple string’; str.replace(/ /g, ‘-’); // now ‘str’ will contain ‘my-simple-string’