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  • Creating a traceroute program in PHP

    Today i was reading upon this wonderful article about writing a trace-route program in Python in 40 lines. Even though trace-route is one of the many tools i use on day to day basis, i never really got into writing a version myself (something I like to do just to gain knowledge how things works). [...]

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    Jul 30th, 2010 | Filed under PHP
  • Minimizing cache stampedes

    Caching is THE magic solution when it comes to optimizing your web applications. There are a lot of caching strategies and applications outthere. Some prefer MySQL query caching, others use memcache to cache either queries, objects, html or other data. However, one of the biggest problems that a lot of people tend to ignore with [...]

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    Jul 29th, 2010 | Filed under Development, PHP
  • Big O notation

    Normally you would develop against a test-database. It probably contains about 10 people so you can do your programming and testing.. Once it’s done and QA’d, it will go live and people start to visit the site. After a year or so,.. the site is too slow. Adding more db servers is of no use, [...]

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    Dec 21st, 2009 | Filed under PHP
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