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Secure Web Transactions using PayPal

PayPal is a convenient way of accepting payment over the internet, especially for small to medium-sized businesses. In an earlier article, I described how to integrate a third party shopping cart with PayPal. Reading that article, while not essential, will be helpful in following this discussion. You may find it at http://www.peterlavin.com/paypal/paypal_php.php. Readers of that article raised a number of questions related to security.

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Content Management Using PHP-Nuke

PHP-Nuke is a free web application self-described as a web portal system but it might more accurately be characterised as a content management system. This article discusses what a content management system is and why you might want one, giving examples of current sites that use PHP-Nuke. After reading this article you should be able to decide whether PHP-Nuke suits your needs.

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Release 5 of PHP

July 13 2004 marks the official release date of PHP 5. But so what? Well, as early as 2002 PHP was the most dominant server-side scripting language and it has continued to grow by leaps and bounds since. What started out as a hobby language called, Personal Home Page has grown up to become PHP Hypertext Preprocessor.

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Java Error Display Class

When a method throws an exception, Java requires that it be caught. Some exceptions require action on the programmer's part and others simply need to be reported to the user. The Java class that we will develop in this article is concerned with the latter type of exception. Instead of rewriting code every time you need to catch an exception, you can create a class to do most of the work for you.

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An Access Front-End to MySQL

Using ODBC, Access can connect with a MySQL database. A proprietary front-end to an open-source database? Microsoft and MySQL? Irreconcilable differences would seem to condemn such a union to a rapid divorce.

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Upgrading your Access Application for a Multi-User Environment

MS Access is not an industrial-strength database like Oracle or DB2 and nor does it pretend to be. It is best suited for desktop applications. However, it is often the case that an existing application needs to be upgraded for a multi-user environment. Depending upon circumstances, it is not always necessary to implement a true client/server RDBMS.

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about articles

These articles give technical insight into the way softcoded creates web sites. The subjects covered include use of databases, Cascading Style Sheets, modular development, search engine optimization and other relevant issues. Consistent web design principles are demonstrated throughout.

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articles - complete list

DocsLite for SQLite  (pdf)
Using Pandoc with DocBook  (pdf)
The xmllint Shell  (pdf)
mysqldump for Developers  (pdf)
Getting Started with Nutch  (pdf)
OpenWrt Logs  (pdf)
Installing Solr  (pdf)
Kobo EPUBs  (pdf)
The Compleat CouchDB  (pdf)
MariaDB Debian Packages  (pdf)
Installing MariaDB on Maverick Meerkat  (pdf)
PHP Subject/Observer  (pdf)
"Buy Now" Button  (pdf)
Using MySQL with PDO  (pdf)
OOP in PHP5  
Interview: Wez Furlong  
php|works Conference  
Programming PHP 2/e  
PHP is Hot  
Open Sources 2.0  
PHP Security  (pdf)
php | works 2005  
Open Source for the Enterprise  
Test Driving Linux  (pdf)
Firefox Hacks  
Using cURL  (pdf)
MySQL Queries  (pdf)
The CSS Cookbook  
Security & Paypal  (pdf)
Using PHP-Nuke  (pdf)
PHP 5  (pdf)
Error Class  (pdf)
An Access Front-End to MySQL  (pdf)
Upgrading Access  (pdf)
Web Design Using HTML-Kit Part 2  (pdf)
Web Design using HTML-Kit  (pdf)
Don't Get Spoofed  (pdf)
Java Help Files  (pdf)
Search Engine/Directory Submission  (pdf)
Using htmlArea  (pdf)
Rescue Me  (pdf)
Sustainable Web Design  (pdf)
Modular Web Design  (pdf)
Installing MySQLGraphic  (pdf)
Reduce Image Size  
Listeners in Java  (pdf)
E-Commerce with PHP and PayPal  (pdf)
Search Engine Friendly Web Design  (pdf)
Install & Customize phpBB  (pdf)
Lies, Damned Lies and SQL  (pdf)