PHP’s call_user_func_array() is slow

I just solved an issue that had me waking up in the middle of the night for weeks (just pushing it a bit) and I have to thank PHP’s community and in particular a guy named Brad Proctor for writing…

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On migrations to production systems

Migrations on production systems is one of the most complex thing there is in the field of software because it requires all-in-one system administration, database administration, software development and quality management, each at a high level of skill. We generally…

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Migrating from Dok€os to Chamilo, quick guide

To respect the wishes of the trademark holder, Dok€os(TM) is not mentioned by its true trademark in the article below, and will simply be replaced by “Dok”. Any resemblance to an existing LMS would be totally fortuitous. For all of…

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Migration to Chamilo

We offer software engineering services of migration from Blackboard(TM) to Chamilo 1.8 migration from WebCT(TM) to Chamilo 1.8 migration from Angel(TM) LMS to Chamilo 1.8 migration from Lecando(TM) to Chamilo 1.8 migration from Moodle(TM) to Chamilo 1.8 migration from ATutor(TM)…

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Upgrading campus.dokeos.com to 1.8.5

Tonight I’m upgrading campus.dokeos.com to dokeos 1.8.5. One of the things that is difficult to put in a human mind is the number of users and courses on this portal and the implication it has on upgrade time. Over the…

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