Monthly Archives: December 2016

How to write CRON jobs

CRON jobs or CRON tasks are very useful for automatizing repetitive work. With cron job help you can for example once a week wipe out cache files in your app directory or send email about number of newly registered users.¬†You … Continue reading

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How to compute distance between 2 GPS points?

This is an algorithm for measuring distance between 2 GPS points. Continue reading

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