Category Archives: Nitrogen

How to make closable tabs with Nitrogen and jQuery UI 1.9

A minor annoyance with using jQuery UI lib is that some of the controls are missing obvious features. I don’t want to call the lib “half-baked” – jQuery UI is of good quality but sometimes you can’t help but to … Continue reading

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How to build a live datagrid with Nitrogen

One of the most useful element in Nitrogen Elements project is jqGrid control. jqGrid is a Nitrogen wrapper for a popular javasript library which allows to represent and manipulat tabular data on the web. There are lots of examples for … Continue reading

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Extended example with graphviz updates via Websockets

Native Websockets support is a very compelling reason to use Cowboy. (Yaws also supports Websockets natively as well so it is another alternative). I will give a simple example how to use Websockets with Nitrogen and Cowboy by extending on … Continue reading

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How to draw graphviz graphs with Nitrogen

I built an initial version of a new control which allows to draw graphviz graphs with Nitrogen and added it to the collection of Nitrogen_Elements. As far as I know Erlang ecosystem doesn’t have a convenient library to draw dot … Continue reading

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How to add Nitrogen and Cowboy as dependency libs to your erlang application

I received several emails asking to give the steps how to add Nitrogen and Cowboy as dependency libs to an application. The similar questions came up few times in the past on the Nitrogen mailing list. I posted a while … Continue reading

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Cowboy 0.8 experemental bindings for Nitrogen

I have been playing with a new Cowboy 0.8 release and built Simple_Bridge bindings for Nitrogen. Simple_Bridge fork for Cowboy 0.8 can be found here. I converted Nitrogen_Elements_Examples to use Cowboy 0.8 so you can use it as a starting … Continue reading

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How Nitrogen processes requests – part 3

Last time we traced the steps that Nitrogen takes to initialize the Context and reached wf_core:run_catched function which builds the Response. Firstly, this function updates the Context with the page State which comes from the browser in the http Request … Continue reading

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