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Lessons Learned: Why PHP won

Startup Lessons Learned

Lessons Learned by Eric Ries Monday, January 12, 2009 Why PHP won When I first learned to program on the web, Perl + CGI was the dominant platform. But by the time I was building my first websites for commercial use , PHP had taken over. Writing unit tests or mock objects in PHP is an exercise in constant frustration.

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Lessons Learned: The one line split-test, or how to A/B all the time

Startup Lessons Learned

If she is, return the name of the hypothesis she was exposed to before. Return the name of the hypothesis chosen or assigned. From the point of view of the caller of the function, they just pass in the name of the experiment and its various hypotheses. Case Study: Continuous deployment makes releases n.

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Lessons Learned: Lean hiring tips

Startup Lessons Learned

Much of what I have found effective is counter-intuitive, because it requires investing more effort in each hire - all in the name of efficiency. Particularly the Continuous Deployment and Split testing posts. Case Study: Continuous deployment makes releases n. The blog is fantastic as well.

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Lessons Learned: Sharding for startups

Startup Lessons Learned

Imagine you want to store data about customers, each of whom has "last name" field in your database. The problem should be familiar to anyone who plays Scrabble: not all letter are equally likely to be used as the first letter of someones name. Give each entity a name. For example, consider this simple scheme.