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Json. WebHome < Main < Reprap. RepRap is humanity's first general-purpose self-replicating manufacturing machine.

WebHome < Main < Reprap

RepRap takes the form of a free desktop 3D printer capable of printing plastic objects. Since many parts of RepRap are made from plastic and RepRap prints those parts, RepRap self-replicates by making a kit of itself - a kit that anyone can assemble given time and materials. It also means that - if you've got a RepRap - you can print lots of useful stuff, and you can print another RepRap for a friend... RepRap is about making self-replicating machines, and making them freely available for the benefit of everyone. We are using 3D printing to do this, but if you have other technologies that can copy themselves and that can be made freely available to all, then this is the place for you too. Quick Guide to Prototype. Introduction JavaScript’s increasing popularity throughout the web makes it more important than ever to make sure our client side code is implemented with a nice mix of stability, speed, and reusability.

One of the best ways for accomplishing this is to use a simple library and syntax to use as a foundation for every project. Painless JavaScript Using Prototype [JavaScript & DHTML Tutorials] Form.Observer and Form.Element.Observer allow you to watch a form (or, in the latter case, a single form element) and trigger callbacks when the data changes.

Painless JavaScript Using Prototype [JavaScript & DHTML Tutorials]

There are actually two flavours of each observer that check for value changes. The first is a periodic observer, which works like this: new Form.Observer($("myform"), 1, myCallBackFunction); new Form.Element.Observer($("myfield"), 1, myCallBackFunction);