December 12, 2013 — If you’re running a business based on open source software like WordPress, your business depends on the prosperity of that project. The demise of the project could easily be the demise of your project and the project’s growth could lead to your business growing immensely. The larger your business becomes and the bigger the impact of your company on the project, the more this is true. Economically this is a very unusual situation. Joost will explore what this means and how you should deal with it.
This is pure economics; it starts with the well known story of the Tragedy of the Commons but, applied to open source, leads to a completely new outcome. If your business is build on WordPress, you should be here to listen to Joost’s talk and discuss afterwards.
February 4, 2009 — In this tutorial Joost De Valk explains how to make use of PHP Cross Referencing of the WordPress source. As he explains in his original post: “If you’re coding in PHP a lot, PHPXref is one of the coolest tools available. It allows you to browse large portions of source code, and find where functions, variables and constants are defined and referenced.”