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A Dynamic PHP Thumbnail Gallery Part 2
Welcome back to part two of the Code Gallery Spotlight of the PHP based Photo Gallery called "AutoGallery". Last week, I discussed with you the general idea of the AutoGallery's image management and introduced the constructor used to initialize the variables in the AutoGallery class. This week, I'll take a look at the two functions that the constructor calls after initialization resize() and cleanup() and how they perform the necessary management of the gallery images. Let's start with the resize() function.
Directory: > Web Development > Web Applications
Date: 2003-09-30

Web Services Choreography
In this paper, Prasad Yendluri, Principal Architect at webMethods, takes a closer look at the WSCI and the BPEL4WS specifications, and examines they approach Web services choreography from different paths and employ different models.
Directory: > Web Development > Web Applications
Date: 2003-09-30

A Dynamic PHP Thumbnail Gallery Part 3
In my last column, I introduced the resize() function and a simple cache system is used to create and keep updated the thumbnails for all the images that are to be displayed in the picture gallery. This week, I'll introduce the second half of the AutoGallery's management system by discussing the checkup() member function which handles the removal of thumbnails which are no longer necessary.
Directory: > Web Development > Web Applications
Date: 2003-09-30

Optimizing Dynamic Pages - Part II
The Widget Queen Revisited You have the world's finest collection of widgets. You created the world's best widget website. You have no traffic. You checked in the search engines and find that your site does not appear at all, even though all your competitors' sites do. Perhaps the search engine robots cannot get to your pages to index them. Search Engine Robots Search engine robots are simple creatures. They can "read" text to add to their databases, and they can follow "normal" links--those links that are coded to look like <a href="bluewidgets.html">blue widgets </a> or the slight variation <a href="bluewidgets.html ><img src="bluewidget.gif" ></a>
Directory: > Web Development > Web Applications
Date: 2003-09-18

The RegularExpressionValidator Control and a Primer on Regular Expressions
A Vision The job given me by the Almighty Programmer was gatekeeper. The clouds parted below me and I could see a long sinewy line of expressions marching toward me in single file. Some looked like dates, others like digits and some (to be honest) looked like gibberish. One by one, they would try to get past me but I know no fear - for I am the RegularExpressionValidator.
Directory: > Web Development > Web Applications
Date: 2003-09-17

Five Habits for Successful Regular Expressions
Regular expressions are hard to write, hard to read, and hard to maintain. Plus, they are often wrong, matching unexpected text and missing valid text. The problem stems from the power and expressiveness of regular expressions. Each metacharacter packs power and nuance, making code impossible to decipher without resorting to mental gymnastics.
Directory: > Web Development > Web Applications
Date: 2003-09-17

Comparing database structures in MSSQL server
Many firms, developing client-server applications, have a lot of the databases, from developers DB to testers DB. Keeping DB in actual state can be automated easily only if there is centralized access to all of them and there are no developments on any of them. The last influences a lot of the DB structure because there is a possibility to break it while developing.
Directory: > Web Development > Web Applications
Date: 2003-09-15

Code-Generation Techniques for Java
Working in Java either means writing a little bit of complex code or writing a lot of gruntwork code. J2EE is a prime example; implementing the persistence for a single database table takes five classes and two interfaces using EJBs, and almost all of the classes are clerical work. We have to write them, but we don't have to do it by hand. Code-generation techniques can make building high-quality EJB code a breeze.
Directory: > Web Development > Web Applications
Date: 2003-09-11

Adding Automatic Update Support to your Application
We would like to introduce a simple component which retrieves version information from the website and if there is a newer version available it will download update files via HTTP/HTTPS/FTP and run the update.
Directory: > Web Development > Web Applications
Date: 2003-09-09

Automatic bug report sending from your application
Many software companies develop of big projects which are still supported and advanced after the customers accept them. Both sides are interested in robust and reliability of their program.
Directory: > Web Development > Web Applications
Date: 2003-09-09

Creating a Secure PHP Login Script
Explains how to create a secure PHP login script that will allow safe authentication. Features remember-me function using cookies, validates logins on each request to prevent session stealing.
Directory: > Web Development > Web Applications
Date: 2003-09-09

What is ASP.NET?
Introduction: In the past I worked very much with ASP and everything was fine for me. But I thought why not try the newer Technology of Microsoft called ASP.NET ( Active Server Pages ). In this Article I will try to explain the basics of ASP.NET. I will not only explain the theoretical part but I also will show you some practical "hello world " style examples. For these examples I will use C#, and VB.NET. If you have any comments, suggestions, or any questions, please feel free to contact me. I will try to answer all questions as good as I can. So take a cup of tea, have a seat on your favorite place and enjoy this article.
Directory: > Web Development > Web Applications
Date: 2003-09-03