If you use a GeoIP database, you're probably familiar with MaxMind's MMDB format.

At MaxMind, we created the MMDB format because we needed a format that was very fast and highly portable. MMDB comes with supported readers in many languages. In this blog post, we'll use Perl modules to create an MMDB file which contains an access list of IP addresses. This kind of database could be used when allowing access to a VPN or a hosted application.

Read ="http://blog.maxmind.com/2015/09/29/buildin…

Writing your own commify function may well be right up there with writing your own web framework or templating system. Most of us have done it and it probably wasn't worth the effort. Enter CLDR::Number. (I should note here that it's not obvious from the name that this module will commify for you -- that's one of the reasons I'm writing this up.)

Read the full post: http://www.olafalders.com/2015/09/04/stop-writing-your-own-commify-functions/…