Disable Radio Button using Jquery/Javascript

How to disable radio button using Jquery and Javascript snippet.  While displaying data to user many times we require an option to enable or disable some information or area based on radio button click.

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VI, VIM Commands , Cheat Sheet

Vi is a default editor in Linux operating systems. Vim is basically the improved version of the Vi editor. In this tutorial, We will learn Vi commands.
If you are new to Linux operating system and you don’t know how to start with Vi, Vim editor then in this tutorial we’ll important commands and their usage .

vi,vim editor beginners guide

Top ten most useful Linux commands for beginners

I already mentioned Vi is a default editor in Linux , Ubuntu and all other flavors of Unix operating system. To use Vim editor you need to installed it first.

php.ini File Location in Ubuntu – How to Find, Open & Edit php.ini

php.ini file location in ubuntu

What is the php.ini file, why we use it ? Where do I find this file on  Ubuntu ? How I open and edit the php.ini file on a terminal. This is the most common questions asked by beginners who are either new to PHP or Linux.

php.ini File

The php.ini file is a default configuration file used when your PHP application runs. When PHP starts it reads the configuration setting from the php.ini file.

If you have installed LAMP on a Ubuntu operating system and unable to find and edit this file then this tutorial is for you.

Recursion Concept with Example

What is recursion and how to use recursion in programming. If you are new to programming, then recursion concept is tough to understand. In this post, i’ll explain the concept of recursion with example.

What is Recursion ?

In Recursion, function call itself repeatedly, until the base condition is reached.  It’s a much preferred way to write cleaner and shorter code for many complex problems.

Through recursion, you can reduce complex problem into smaller version.

How to check system configuration on Ubuntu using command

How to check the system configuration on Ubuntu 12.04 using terminal command.

I am using Ubuntu 12.04 but the command i am going to write it’s working on previous version also.
If you are new to Ubuntu then you find difficulty to check the system configuration of Ubuntu.

How to check

Open the terminal and write the folowing command

cat  /proc/meminfo

cat  /proc/cpuinfo

It will show all the information. If you want specific thing to show like if you want to check only the Model then use the command written below.

cat /proc/cpuinfo | grep -i ‘Model’

It will show information like this

model        : 42
model name    : Intel(R) Pentium(R) CPU G630 @ 2.70GHz
model        : 42
model name    : Intel(R) Pentium(R) CPU G630 @ 2.70GHz