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java turorials: Learn everything Java basic to enterprise

Java Programming basics

  1. Introduction to Java programming


ServerSide Java

  1. Download Tomcat
  2. Demo - Servlets and JSP
  3. JSP Tutorial
  4. IBM JSP tutorial


Enterprise Java

  1. JEE 5 tutorial
  2. Develop Web services with RAD Part1 Part2
  3. Crash course in Enterprise JavaBeans 3



  1. IBM Tutorial
  2. Apache Wiki (List of Tutorials)



  1. Viral Patel’s turotial
  2. Reference Documentation



  1. JavaLobby Introduction
  2. Apache Tutorial



  1. JBoss Tutorial



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Javascript: Convert Strings to Binary (and representing in a nerdy way!)

I follow those GoogleDevelopers Videos. Sometime back, in one of the presentations on GoogleIO, there was this interesting string of dots at the bottom of each page of the presentation. They looked like random big and small dots. A similar bunch of dots were also on the T-shirt of a presenter was wearing in another presentation. While it seemed something in the pattern, I could not find what it was. Finally, another presenter cleared the matter that those dots are just binary representation of "GOOGLEIO" (So much for advertizing Google IO, Impressive!).

So I wanna do it. Takes me back to days of those DSP classes at school. Nerdy me had to churn some old brain cells. I remember those first programming language classes in Pascal and C when you were asked to do fibonacci series and converting a binary string to ascii codes. That *experience* came handy here: Check it out!

Text to Binarize:
For those who came to copy the javascript code to convert string to binary, Here it is…

Add jquery in Chrome console

Many a time, a page you are debugging doesnot have jquery. This simple js will add(or prompt you to overwrite) jquery to any page from chrome console.


The easiest way to install docker on Ubuntu

Docker releases come out faster than ubuntu updating thier repositories. Docker mainitains a ppa. One can add the ppa key, and then add to sources.list.d and then update sources and then install lxc-docker. OR..
curl -sSL | sudo sh