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Rubular: a really usefull ruby regex tool

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Working with regular expressions is always a try and fail and retry … experience. It really helps to have an interactive tool with which to tune up your expr...

#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...