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Working around the IE9/IE8 XDR Post bug

When creating a REST-API for a client we ran across this really weird problem. IE8/IE9 can't make XMLHttpRequest to other domains via CORS. Microsoft invented their own solution for this…

Preventing overlapping cron jobs

From time to time, we're asked to fix broken sites built by other agencies. This can be extremely tricky, but if it's technologies we know and love (PHP, MySQL, Apache,…

Scaling isn’t tweaking httpd.conf – our approach to high volume sites

Scaling servers is hard work, and neither of us comes from a devops background. Our approach to scaling starts well before that - with every decision a developer take when…