PHP: How to Reverse DNS Lookup
Reverse DNS Lookup tools The Reverse DNS lookup tools are the same as the regular DNS tools. For Windows OS, the easiest way to check…
Month: May 2013
PHP MYSQL: list of Timezones, Set Timezone
Recently I needed to check the time zone in one of my applications, because it is accessed from multiple locations in United States and soon…
How to Install socket.io on Node.js on Windows 7
Windows 7 32bit Step 1: install Node.js Download the Windows Installer: Eg:http://nodejs.org/dist/v0.10.5/node-v0.10.5-x86.msi You can find more available version of node js here: https://nodejs.org/en/download/releases/ You install…
Verify CentOS 32 or 64 bit?
To verify if a CentOS Linux system is 32 bit versus 64 bit you can use the uname command. Below are examples of using the…
How to Install RPMforge yum repository on CentOS 5
In this tutorial we will learn how to install and add the RPMforge repository into CentOS 5. We will also learn how to disable it…
BMP file structure analysis by PHP – Part 2
Part 2: The 16-bit per pixel (16bpp) BMP The bitmap has a maximum of 2^16 colors. if the compression field of the bitmap file is…
PHP function to parse BMP header
Read first: BMP file structure analysis by PHP Example 1: 5-5-5 16-bit Result: Example 2: 5-6-5 16-bit Result: Example 3: 4-4-4 16-bit Result:
BMP file structure analysis by PHP
Part 1: overview BMP file structure (Reference: http://en.wikipedia.org/wiki/BMP_file_format#File_structure) The bitmap image file consists of fixed-size structures (headers) as well as variable-size structures appearing in a…
Google Maps JavaScript API v3: how to get the center lat & lon of a polygon
How to get the center lat & lon of a polygon? We can do it just by calling polygon.getBounds().getCenter() Note: in Google Maps JavaScript API…
Maxlength of MySQL TEXT Data Types
Data types and range of data management system MySQL database (Read more) TEXT Data Types in MySQL CHAR CHAR data type for storing a data…