Bubble.ro - because there is always something new to learn about

How to create the histogram of an image using PHP

 
A histogram is: a graphical display of tabulated frequencies. In our case, color frequencies that appear in an image. In some image manipulation software this can be named also as Levels. ...
Posted by: on October 30, 2006 at 14:37. (23 comments)
 

How to convert an image to grayscale using PHP

 
Although converting an image (usually in true color) to grayscale can sound like a simple operation if you are used to image processing software, PHP doesn't have a function for this conversion by default. ...
Posted by: on October 30, 2006 at 07:51. (13 comments)
 

How to check if an image is grayscale in PHP

 
Images, even if they are big or small are usually full of colour. However, in certain situations you may want to check if an image is indeed grayscale or not. You can do this using PHP and its image manipulation functions. ...
Posted by: on October 28, 2006 at 12:15. (2 comments)
 

Interchanging 2 variables without the use of a third

 
There are several ways Iíve seen over the years of interchanging 2 variables. Iíll show you here how you can do it with bitwise operations. This method is most efficient when used in combination with assembler. In C++ it is looked at more like a curiosity than a real method by most. However if you would want to make your C++ code harder to read, then this can be helpful. ...
Posted by: on September 16, 2006 at 09:30. (6 comments)
 

Convert the AOL user session collection to a MySQL database

 
The initial distributed file was AOL-data.tgz (439MB). Inside it contains a simple readme file and 10 .gz archives, each containing a CSV collection. With a packed size of about 45MB each, when extracted they reveal the true treasure: a nice collection of actual user searches (each file at about 200MB). ...
Posted by: on August 10, 2006 at 20:53. (4 comments)
 

Creating a customized session handling system in PHP (part II)

 
In the first part of this article I've explained the basics of sessions and how they can be used. It is now time to see how we can implement these theories and create a functional session management system using a database. ...
Posted by: on August 4, 2006 at 11:54. (5 comments)
 

Creating a customized session handling system in PHP (part I)

 
They are used on most websites, yet very few people know they even exist. They use various technologies like "cookies", "SQL", but not many know they can create their very own session handling systems to handle their own need. I will try to explain the technology behind the sessions and very much how to get your own sessions up and running. ...
Posted by: on July 29, 2006 at 12:57. (2 comments)
 


Other Random Articles

» How to use Auto-Away Message with oDC

Have you seen people answering the next moment you try to talk to them about something over oDC, usually with something like "I'm not on my computer right now." and wondered how they did this little trick? ...


Posted by: Indy on March 29, 2006 at 16:28. (2 comments)

» What is spyware and how do I protect my PC from it?

Spyware is similar to worms and viruses which infect your computer, not to cause harm, but rather to spy on your behavior on the net, bring unwanted ads, dubious toolbars and sites to your PC without your approval. There probabably isn't a PC which has never been at one time infected with spyware. ...


Posted by: Nitro on February 26, 2006 at 21:36. (0 comments)

» How can I read foreign language sites?

We all encountered sites in Russian, French or Chinese on very interesting topics. The problem that pops up very quickly in our heads is: How the hell do I read this? ...


Posted by: Nitro on February 26, 2006 at 15:59. (1 comment)

» Firefox crashing with Yahoo! Messenger

Sometimes, Firefox crashes all the sudden even though you did not do anything out of the ordinary. In some cases this is caused by a bug in one of Yahoo! Messenger's files. ...


Posted by: Indy on May 22, 2006 at 19:07. (8 comments)

» Getting started with Mushclient

If you've decided to start playing a MUD, or you are already an experienced MUD player, but the client you use currently doesn't satisfy you anymore, maybe you should try MushClient. This tutorial teaches you how to configure it to enhance your playing experience. ...


Posted by: Quarc on February 27, 2006 at 16:15. (0 comments)

Random Article


Search


Feeds


Bubble.ro RSS Feed

All Categories


Articles


Aetolia - The Midnight Age
How to create the histogram of an image using PHP
How to convert an image to grayscale using PHP
How to check if an image is grayscale in PHP
Interchanging 2 variables without the use of a third
Error launching browser window:no XBL binding for browser
Convert the AOL user session collection to a MySQL database
Introduction to Matlab
Creating a customized session handling system in PHP (part II)
Creating a customized session handling system in PHP (part I)
Firefox crashing with Yahoo! Messenger
ADL Search for oDC
Video codecs explained
Browsershots
How to use Auto-Away Message with oDC
Create complete Windows XP disk with SP2 and all updates
Data Execution Prevention error message in Windows XP
Google Mars
Logarithmic scale graphs in Excel
Urban Dictionary (or wtf does l33t mean?)
Learn more about BIOS
Backup your Firefox and Thunderbird settings
Syndicate your Yahoo 360 profile
What is Google PageRank?
'Cannot Open the File: Mk:@MSITStore' Error Message
Get your Gmail with Mozilla Thunderbird
E-Books links
Change the size of your Explorer thumbnails
Remove previews from Windows Explorer
How can I turn off system beeps?
How do I disable Internet Explorer?
What are proxies or how do I protect my anonymity?
How to set aliases triggers or macros in MushClient
What is RSS?
Palm Zire 31 fast review
oDC Installation and Basic Configuration
How I built a 2x80W amplifier (using power modules)
Leech/HotLink Protection
How to block referrer detection?
How to find out your IP address
Getting started with Mushclient
What is spyware and how do I protect my PC from it?
Stumble Upon - random surfing around the web
Automatic file backup for Windows users
How can I read foreign language sites?
Protect your web surfing privacy!
What is BitTorrent?
No more ads! Adblock for Firefox
Why use Firefox instead of Internet Explorer?
How do I create my own Yahoo ID?
© Copyright 2006-2015 Bubble. All rights reserved. Sitemap - Contact