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#1 rule for monitoring emails

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I just spent a few hours debugging my rails app on Heroku to understand why the hell I did not systematically receive the monitoring emails that my app was s...

The poor man’s memory profiling

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While working on www.mes-courses.fr, a background scheduled task that was running fine on heroku started to fail with out of memory errors. After searching a...

Cloning an rbenv version

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There is no doc about this, but it turns out to be very simple, just copy the version directory :

Windows licker like with C#

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In Growing object-oriented software guided by tests they use a java library called Window Licker to pilot a gui running in test thread. Next time I started a...