AI & Technology

Explore the rapidly evolving world of artificial intelligence, quantum computing and emerging technologies. From machine learning, generative AI and automation to quantum innovation and next-generation computing, discover technical insights, practical applications and expert perspectives on the breakthroughs, challenges and opportunities shaping the future of technology.

code
AI & Technology

How to validate an email address format

2nd July 2009 Rui Miguel Feio
There are several ways of validating an email address format. Normally, I do it the following way: 1. I first define the regular expression for the email format: define (“FORMAT”,”^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$”); 2. To validate the email address provided is correct: if ( !eregi (FORMAT, $email)) echo “The email provided has an […]
Security
AI & Technology

PHP security considerations

1st July 2009 Rui Miguel Feio
When developing a script wether if it’s in PHP or any other language you should always consider the security aspect. I’m sure the last thing you want is to get your script (and ultimately your data) hacked. To make sure this does not happen there are a few steps you […]
MySQL
AI & Technology

How to identify a MySQL query problem

1st July 2009 Rui Miguel Feio
Sometimes you happen to have a problem with one of your MySQL queries and you simply can’t seem to understand why. Well, one thing that helps is to use the mysql_error() function. This function returns the message of the MySQL error you’re getting. Example: $action = “INSERT INTO table (name, […]