I am a fan of Capistrano from way back and we use it for almost all kind of deployments - Hadoop, MongoDB clusters and so on. If you have not tried Capistrano, you must try it and figure out how you can use for deployments in your environment.
NoFlo — the flow-based programming system I started — is now two years old. I pushed the first commits to GitHub on June 5th 2011 from Hacker Dojo in Mountain View. To get us started with the story, I'll let Wikipedia summarize...
When debugging in PHP there are a few techniques you can use, you could use something like Xdebug which will allow you to step through your code at run time and you can see exactly what the code is doing
Software is the Central Nervous System of modern business, this is something that Bill Gates asserted way back in 1999 in his book “Business @ the Speed of Thought”, and it is even more true in 2013 than it was in 1999.
Because we can find the value of the definite integral at any points we want, we can use another technique to turn that data into a formula. The technique we’ll be using is known as a genetic algorithm.