Issue #189 - 2015-03-09 - Mojo Week!

latest | archive | edited by Neil Bowers
Don't miss the next issue!


Three entries about Mojolicious this week, including the announcement of MojoConf 2015!

If you have a PAUSE account, you should read David Golden's entry.

Editor #3, Neil

Neil Bowers

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Moo 2 - strictures not exported by default

by Matt S. Trout (MSTROUT)

Version 2 of Moo is now on CPAN. Matt talks through the strictures change that is biggest news.

What's new on CPAN - February 2015

by David Farrell (DFARRELL)

David's monthly update on new CPAN distributions released in the last month. He now showcases a "module of the month" each time, and this month that was File::Serialize, which is a nifty module, even if Yannick can't spell serialise.

Tree::Renderer: A partial replacement for Data::TreeDumper

by Ron Savage (RSAVAGE)

Ron is working on a module called Tree::Renderer (not yet on CPAN), for use instead of Data::TreeDumper, and he's open to feature requests.


Distributions much have a main module with matching name

by David Golden (DAGOLDEN)

David describes a change in PAUSE that can result in a slightly perplexing error message when you upload something to PAUSE. Basically, if you upload a distribution Foo-Bar to PAUSE, then it must contain a module Foo::Bar, otherwise it will not be added to the CPAN index. Existing dists not meeting this rule got an exception, but all new dists must satisfy this rule.


Mojoconf 2015

This year's Mojolicious conference will be held in New York from June 4th to 6th. Speakers will include Sebastian Reidel, Marcus Ramberg, Glen Hinkle, Joel Berger, and Jan Henning Thorsen.

Introduction to Mojolicious

by JT Smith (RIZEN)

A video of a talk given at Madison Perl Mongers.

Problems upgrading to Mojolicious 6.0

by John Scoles (BYTEROCK)

Problems, and their solutions, when upgrading to the latest and greatest version of Mojolicious.

Community and culture

The Company Culture - the process

by Mark Keating

Mark outlines his plan for promoting companies that are using Perl in some way.

The Westfield Leader

by Mark Keating

Mark started his promotion of companies using Perl with a description of a regional newspaper from New Jersey, USA. They've been using Perl for more than 15 years, and recently contributed to the Perl 6 team's need for a new server.


Test-More status update

by Chad Granum (EXODIST)

An update from Chad on his work on the Test-More distribution, in particular what exactly will be shipping with Perl 5.22. He's been working on some refactoring, and benchmarking his changes, but realised that one of his changes didn't have the impact he'd thought. It's great to see this getting discussed and written up "in the open".

How to test for exceptions in Perl

by David Farrell (DFARRELL)

David introduces Test::Exception, which you can use to write tests that deal with exceptions.


Announcing Statocles Static Site Generator

by Doug Bell (PREACTION)

A static website generator called Statocles, which includes a blog application.

Towards better Changes

by Steven Haryanto (SHARYANTO)

Perlancar shares his thoughts on what should go in the Changes file for your distributions. In particular, don't just say what you changed, but why.

Fear and Loathing in SQL-92

by Arthur Axel "fREW" Schmidt (FREW)

A war story used to illustrate a point, with some good tips and thoughts thrown in. For example, do you use, or are you aware of the fc function (introduced in 5.16)? A good rule of thumb: "you should not emulate, imitate, or otherwise do the job of the database".

Look At My Pretty Pictures

by Dave Jacoby (JACOBY)

Dave shows the code he wrote to write spirograph style pictures in SVG, which he then etched onto wood using a laser cutter. I have no justification for one, but a laser cutter is going on my wishlist!

Book Review: Perl and XML

by Robert Threet

A short review of the O'Reilly "Perl and XML" book, which was published in 2002. Even so, Robert was surprised to find it a useful read, and wishes he'd read it earlier.

Notify to your user in Linux - GNotification

by Bakkiaraj Murugesan

A full example using FFI::Platypus to send notification to the Linux Desktop user.

Perl 6

Perl 6 for Mere Mortals - FOSDEM Video

by Curtis 'Ovid' Poe (OVID)

The video from Curtis's talk at FOSDEM just over a month ago. Videos from some of the Perl talks are available, but not all of them have complete audio, alas.

Perl 6 weekly happenings

You can now embed Perl 6 code in Java, native reference support has been ported to the JVM, and you can now use keywords for sub, method, and class names (it doesn't say why that might be a good idea).

The PR Challenge

Various updates on the Pull Request Challenge

by Neil Bowers (NEILB)

A new home page for the challenge, changes in the way distributions are scored, and a new hit list to help get dists onto github.

CPAN Pull Requests in February

by Neil Bowers (NEILB)

A few charts showing how many pull requests were done for CPAN distributions in February, and how that compares with previous years, and with last month. TL;DR: much better, not quite as good, respectively.

CPAN PR-Challenge: March Report #2

by Alberto Simões (AMBS)

Alberto describes his work for a PR on Exobrain. I've added one idea to our central ideas list: check whether any of the dependencies should have a minimum version specified. I was bitten by this issue just this week — easy to do if you regularly upgrade your Perl and re-install CPAN.

Perl Maven Tutorials

Creating bar graphs using Perl GD::Graph

by Gabor Szabo (SZABGAB)

13 slightly different bar-graphs from the same data series.

Comparing the speed of JSON decoders

by Gabor Szabo (SZABGAB)

Bottom-line: The XS version is 57.42 times faster than the pure Perl version.

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