Perl Maven

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Perl tutorials and courses

Modern Perl Web Frameworks

  • Mojolicious light-weight web framework with rainbows and unicorns.
  • Perl Dancer light-weight web framework to rock.
  • Catalyst The MVC web framework of Perl.
  • PSGI/Plack, the low-level superglue between Perl web application frameworks and web servers.
  • CGI, the Common Gateway Interface, for old-school web applications.

Object Oriented Perl

  • OOP, the classic way to write Object Oriented Perl code.
  • Moo, the Minimalist Object Oriented system for Perl.
  • Moose, the 'post modern' Object Oriented system for Perl.

Other Series

Projects and Collections

Code-Maven series

If you are a beginner, or would like to refresh your Perl programming knowledge, you can go over the Perl tutorial or watch the Beginner Perl Maven video course.

If you need to maintain a large piece of software written in Perl by other people in the last 5-10-15 years, that's a challenge. Especially if you did not get proper training in Perl. You are probably limited to a specific and old version of Perl. Check out, the Perl tutorial! You can probably skip the part about installing Perl, but the rest of the tutorial will be relevant for you.

Perl is often used in Test Automation. If you work in this field, or if you'd like to work in this field (it is much more fun to find bugs in other people's code than in yours :), then you can read the Perl tutorial and the series on Test Automation using Perl.

If you build new web applications - either privately or inside a company - you can start by reading the article comparing CGI, mod_perl and PSGI. From there you can go on reading the generic Perl tutorial or the articles on Mojolicious, Perl Dancer, Catalyst, PSGI/Plack, or even CGI, the Common Gateway Interface, for old-school web applications.

Recent Articles

Pro: substr outside of string at ...

I don't encounter this warning often, but when I do it indicates a bug in my code.

I saw this at two my clients recently, one we turned use warinings on. Frankly I don't understand why even in 2018 some companies insist on not using warnings.


substr outside of string at ...


Pro: Fast lookup by name or by date - Array - Hash - Linked List

We have a lot of data-structures that have a name, a date when each one was created and some payload. Once in a while we need to find and remove an element. Either by the name of the element or by picking the oldest one. How can we make this efficient given that we have a lot of these data-structures? (Some 10,000.)


Fast lookup by name or by date - Array - Hash - Linked List


Pro: Using the Open Weather Map API with Python

In Using the Open Weather Map API with curl we saw how to fetch the weather using curl. Now we are going to use Python as that will make it easier to use this as part of a larger application. Before you read this article, make sure you read the one using curl.


Using the Open Weather Map API with Python