Rayhan’s blog (raynux.com)

RayFeedReader, A Simple and Easy SimpleXML based feed reader class using PHP.
First of all it’s another reinvention of wheel. This class is designed to provide quick access to any XML based RSS feed and it’s content. Usages are very simple and require only one line of code. Html rendering functionality is provided through separate pluggable [...]

RayArray is a array utility class.
I have wrapped three static functions for converting multidimensional configuration data. It is very much useful when working with configuration data. I have used this class in one of my project to store arbitrary configuration data just like windows registry data.
File: rayarray.php
<?php
/**
* RayArray arrays utility class
*
* This class provides configuration [...]

RayHttp, A Simple Http Client Class for PHP Development.
This class is designed to provide quick http reqest method to access external website. A CURL alternative to php native file_get_contents method. It can work without any configuration and can be called anywhere is your application using singleton design pattern. Unlike other Http client class in php, [...]

Iptables is the default and powerful firewall that works on almost all Linux version including Ubuntu and Fedora. Here I have listed some important commands and a short description of each command for quick help. It can help people who already know little Iptables.

manage chain:
# iptables -N new_chain // create a chain
# iptables -E new_chain old_chain [...]

I have created a bash script file to install almost all necessary softwares to run and work on a Ubuntu box. I have tried this script in Ubuntu 8.04 Hardy Heron and Ubuntu 8.10 Intrepid Ibex. Softwares I have placed in this script covers PHP-MySQL development and desktop applications for graphics, multimedia, to Internet [...]

A basic approach to upload and save image to a MySQL database and then display the image from the database.
First you need to create a table in MySQL Database to store the image data. Log into you database and run the following sql command:
CREATE TABLE  `images` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(100) default NULL,
`size` int(11) [...]

Running linux with windows in dual boot mode is not hassle free at all. Specially if you reinstall or repair windows, your linux system will disappear. As a newbie you may stop using linux or reinstall it again instead of solving the problem. In this article I will share my experience on how to recover [...]

I receives lots of call from my friends to help them fixing mp3 problem in fedora. Some of them already have internet connection to their fedora box.
Here is a single command what can solve the problem if you have internet connection.

# yum -y install gstreamer*

This command will automatically find, download and install the GStreamer [...]

This is how I connect to internet from fedora box using my motorola L6 GPRS modem. I use this procedure with Teletalk connection.
After a fresh fedora installation I enter the following command in the shell. This command creates a wvdial configuration file for my modem.

# wvdialconf /etc/wvdial.conf

Now I need to modify some contents of wvdial.conf [...]

Currently I am working on the documentation of my software written in PHP. From this documentation project I have found that proper commenting of code is a good documentation. If you write your code base along with comment then you don’t need to worry about the API Documentation of your software. You just have to [...]