Rayhan’s blog (raynux.com)

Rayhan’s Personal Web Blog Site

Entries Comments

RayCrypt – PHP Class for Quick Two Way Encryption and Decryption

6 November, 2010 (19:26) | PHP, PHP Classes, programming, Reference, web security | 5 comments

Tags: , , , , , , , , ,

RayCrypt, A simple and easy PHP class for two way encryption and decryption with multiple configurations and plug and play features. Sometimes two way encryption is very much important when it comes in storing credential information. Credit Card, Bank account information, digital signature etc are very important information of user and strongly discouraged to store [...]

Http Client Class for PHP development

13 June, 2009 (13:01) | PHP, programming, Reference | 9 comments

Tags: , , , ,

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 [...]

IPTABLES quick command list

15 April, 2009 (12:09) | Fedora, Linux, Reference, Ubuntu | 3 comments

Tags: , , , ,

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 # [...]

Install Additional softwares by a single command on Ubuntu

21 November, 2008 (02:49) | Linux, MySQL, personal, PHP, Reference, Ubuntu | 9 comments

Tags: , , , ,

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 applications. [...]

Store and Display image from MySQL database

20 November, 2008 (16:09) | MySQL, PHP, programming, Reference | 81 comments

Tags: , , , ,

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` [...]

Recovering Ubuntu or Fedora Linux after installing windows

21 September, 2008 (01:40) | Fedora, Linux, Reference, Ubuntu | 4 comments

Tags: , , , , , ,

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 [...]

GPRS Connection from fedora linux using my moto L6

19 July, 2008 (22:19) | Fedora, Linux, Reference | 7 comments

Tags: , , ,

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 [...]

Good commenting practice in PHP.

26 June, 2008 (12:50) | CakePHP, PHP, programming, Reference | 1 comment

Tags: ,

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 [...]

SVN Server backup & Restore

25 June, 2008 (12:00) | Reference, SVN | 1 comment

Tags: ,

Most of the time I forget what I did to solve a problem in the past. So I have decided to do some shorthand documentation. This post is on how did I import my project repository to the repository of my assembla account. First I took the backup of my repository in my windows pc [...]

Painless css layout implementation with float clearfix tweaking.

24 June, 2008 (13:36) | CSS, HTML, Reference | 1 comment

Tags: , ,

Most of the time I forget what I did to solve a problem in the past. So I have decided to do some shorthand documentation. This is how I solve a very tricky problem when working with css in layout designing. I add the following css rules in my style file. .clearfix:after { content: “.”; [...]