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Open Teams

Written by Cal Evans / Original link on Feb. 3, 2010

[UPDATE: New Slides posted, the link is below.] Dear Reader, Pop Quiz: How many of your developers wake up in the morning excited to work on your project? If the answer is not “all of them”, you probably need to look at how open source projects attract developers and motivate them to write code for…



Immutable DateTime Objects

Written by Benjamin Eberlei / Original link on Jan. 7, 2010

Immutable DateTime Objects One serious drawback of PHPs DateTime extension is the mutability of its instances. It can lead to serious bugs if a DateTime instance is passed between different functions and is modified at unexpected places. Additionally this possibly rules out several optimizations fo…