Get flash to fully experience Pearltrees
In the previous post we explored “array extras” and how they can help us to write concise yet performant and clean code. In this post we take a look at generalizing recursive algorithms with recursion combinators — high-level functions that encapsulate all boilerplate code needed to set up the recursion. These functions were added to dojox.lang.functional and will be officially released with Dojo 1.2. In general the recursion is a form of iterative problem solving in the same category as loops.
Today we’re going to take a look at Popcorn.JS , a library from Mozilla which makes it very easy to manipulate a webpage based on the current position of a video. This allows you to create rich “hypermedia” experiences around your video content. With Popcorn, you could display information about actors currently on-screen, or show Google Street View maps of locations in the video. Take a look at the Demo Page to see what we’ll be achieving – a mix of images, Google Maps, Wikipedia, tagging, RSS feeds, Facebook and web content – all in a 22 second video clip. About Popcorn
This post is part of the “Lets make a 3D game” series. 3D and physics simulation always go well together even more so with marble games . One is required for marblesoccer but i wasnt convinced by current 3d physics engines. I explain why at the end. Fortunatly, @pyalot from codeflow.org has been kind enough to write one taylor-made for us: microphysics.js !! It is bite-sized, elegant and efficient. Less than 500 lines at the moment!!
In school, I hated math. It was a dire, dry and boring thing with stuffy old books and very theoretical problems. Even worse, a lot of the tasks were repetitive, with a simple logical change in every iteration (dividing numbers by hand, differentials, etc.). It was exactly the reason why we invented computers.
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The number of web applications being created and used has grown rapidly since the new millenium. And importantly, so has the sheer complexity of them — specially on the front end. No more static pages, no sir! You have a ton of sections each interacting with each other and the server and yes, it’s as complicated as it sounds and just as hard to pull off.
Learning something new is scary. For me, the biggest issue with picking up a new skill is that I don’t know what I don’t know. Given that, it’s often useful to find a plan for learning whatever you’re interested in.