Basics of Big Data and Hadoop concepts

Basics of Big Data and Hadoop concepts

  November 30, 2013    Hash

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Lesson 1: Introducing Hadoop

Learning objectives:

- Understand what Hadoop is- Understand what Big Data is- Learn about other open source software related to Hadoop- Understand how Big Data solutions can work on the Cloud

Video's Link:

Part 1: Click here

Part 2:  Click here

Lesson 2: Introducing Cloud Computing

Learning objectives:

- Learn what Cloud Computing is all about

- Learn about the main players in the Cloud space

Video's Link:

Part 1: Click here
Part 2:  Click here
Part 3:  Click here
Part 4:  Click here

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Extract digits from string | Java

Extract digits from string | Java

  November 28, 2013    Hash

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Use a regex such as [^0-9] to remove all non-digits.

From there, just use Integer.parseInt(String);

EX:
String str="sdfvsdf68fsdfsf8999fsdf09";
String numberOnly= str.replaceAll("[^0-9]", "");

Integer numbers = Integer.parseInt(numberOnly);

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Integrated Java Decompiler (Jad) with WCS

Integrated Java Decompiler (Jad) with WCS

  November 27, 2013    Hash

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1. Download Jad

Download the Jad executable file here http://www.varaneckas.com/jad 

2. Download Jad Eclipse plugin

Download the Jad Eclipse plugin named “Jabclipse (net.sf.jadclipse_x.x.x.jar)”

http://sourceforge.net/projects/jadclipse/

3. Copy it to Eclipse plugin folder

Copy the jadclipse_x.x.x.jar to C:\RAD601\eclipse\plugins

4. Open/Restart ToolKit

Restart Toolkit to make the plugin take effect.

5. Configure Jadclipse

In Toolkit, Click Window –> Preference –> Java –> Jadclipse , Key in Jad’s path in “Path to Decompiler” field. Do not change anything else

6. Verify File Association(.class file association)

In Toolkit, Click Window –> Preference –> General–> Editors–> File Associationcheck for *.class If default editor is not JadClipse then:*.class without source Associated Editors -> Addsearch for JadClipse Class File ViewerThen Press "Default", then when you press F3 button will open the ".class" source file and decompile it!

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