Tag Archives: NodeJS

AppJS… Build Cross-Platform Applications

…for desktop using HTML, CSS, Javascript !

It’s still very early stuff, however its interesting to see how a lightweight container like this may develop into something pretty useful, at least the stack of technologies used is entirely aligned with how I would set out to build a lightweight app container…

Why AppJS?

Because it is simple and yet powerful. Using AppJS you don’t need to be worry about coding cross-platform or learning new languages and tools. You are already familiar with HTML, CSS and Javascript. What is better than this stack for application development? Beside, AppJS uses Chromium at the core so you get latest HTML 5 APIs working. So relax and focus on the task your application should do.

HTML 5

AppJS allows you to use HTML 5 APIs to create attractive applications from Word Processors to 3D Games. You are no longer limited to default GUI widgets that plaforms force you to use. Creating custom UIs is now only limited to your imagination!

CSS 3

Using CSS you can decorate widgets as you like. Create a custom widget in HTML and complete your work with decorating it. Adding shadows, animating elements and transforming objects in 3D space are a few examples of what you can do with CSS 3.

Node.js

The interesting part of AppJS is that it uses Node.js as the backbone. Node.js has been built to ease the process of developing scalable network applications. But today, you can see Node nearly everywhere! It has a nice API and lots of modules.

Check it out…
http://appjs.org/

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Introducing NPM…and a couple of comments

npm is a package manager for node. You can use it to install and publish your node programs. It manages dependencies and does other cool stuff.

Check it out…
http://npmjs.org/

However, there are a few comments I would like to attach, and that is e.g. for the installation…

It states on the npm website, that you can execute a one-line install using cURL by entering the following cURL command…

curl http://npmjs.org/install.sh | sh

However, if you attempt to do this without using SUDO, you might end up with the following error…

Error: EACCES, Permission denied ‘/usr/bin/npm’

So, to make life easier for yourself, add SUDO to the SH part of the cURL command, so it looks like this, and you will be fine…

curl http://npmjs.org/install.sh | sudo  sh

Secondly,  In mac OSX 10.7 compilation fails if you use “make -j n” command , you can use “make”.
Also, if you get some complaints that make command is not found, its probably because xCode (or another make tool) isn’t installed, easiest way around that is to simply install xCode from AppStore…

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