Referrer spam is becoming increasingly common. At best, it will only render your log files useless. At worst, it can cause your site to be dropped by search engines and your running costs to skyrocket. Here's how to block spurious referrers.
A quick reference guide for mod_rewrite, including server variables, flags and regular expression syntax. Also includes examples of commonly-used rules.
PHP and SQL Server are a powerful combination, however sometimes data stored in a text type column is truncated for no apparent reason after 4096 characters. Here's how to fix the problem.