Issue #131 - 2014-01-27 - cracked and fixed

latest | archive | edited by Gabor Szabo
This edition was made possible by the supporters of our cause.
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this week was a bit stormy with a break-in to the server hosting, and the fixing of it. Other than the description of this break-in, you will find quite a few articles that might be interesting to you.

The Dutch and Czech workshops were added to the list of events at the bottom of this edition. Please check those out too!


Gabor Szabo


.nz Registry Services is hiring Perl Software Developers - New Zealand

The work is across application, web-based & intranet development & your skills in OSS development are reqd. It is crucial you have used Perl, Moose, DBI::x, OO Perl, XML and have exp. with SQL, Linux and Revision control. You will have used HTML, CSS on a daily basis along with Internet protocols (HTTP, HTTPS, SMTP, DNS, Whois, EPP)

We're Hiring Perl Software Developers - Grant Street Group

We're a growing software company using open source software/modern Perl practices to build innovative e-payment, auction, and tax collection web applications.
We're looking for talented, motivated professionals committed to flawless work and customer service.
Please apply online.


by Dave Cross (DAVECROSS)

Someone broke into the site. Copied the users table and posted some stupid page on the site. Ironically, the announcement came on the Perl Hacks site run by Dave Cross, one of the maintainers of

The Return of

Three days later, the site was repaired and came back for you to read and post there. Let's thank Aaron Crane and Dave Cross for the quick action.


Horizontal Reuse: An Alternative to Inheritance

by Toby Inkster (TOBYINK)

Posting on the programming blog of O'Reilly, Toby Inkster compares an alternative to inheritance in Java, Ruby, PHP, and Perl using Moose.

Want to help Gtk-Perl? Help update project information and metadata in Gtk-Perl modules!

Have you ever created desktop applications with Perl? Perhaps using Gtk-Perl? Brian Manning describes what kind of changes he has made to move the Gtk-Perl project forward and what you can help with. Four non-programming items.

A UserAgent class or role for an API?

by Neil Bowers (NEILB)

Neil Bowers tells about his journey during which he was contemplating several solution to creating a class in the BambooHR API. Ideas that came up were: Plain code, Lazy builder, Delegation, and Roles.


Test Suite Organization

by Curtis 'Ovid' Poe (OVID)

Ovid explains why mirroring the class-structure of your module in the tests as well is a good idea, and also gives some tips how to go about doing it.


Make your code run faster with Perl's secret turbo module

by David Farrell (DFARRELL)

David Farrell describes the MCE, the Many-core Engine module of Mario E. Roy. It provides parallel processing capabilities using either forks or threads, whichever is available on your system.

Perl's Special Named Code Blocks


Benchmark JSON::XS vs Sereal vs Data::MessagePack

Celogeek is working with Redis and so he was looking for a fast way to do data serialization and deserialization in Perl. He checked 3 packages: JSON::XS and Data::MesssagePack provide language-independent data structures, while Sereal is only implemented for Perl. His recommended solution is Data::MessagePack.


Curating CPAN one dist at a time

by Neil Bowers (NEILB)

Neil Bowers crossed the line. He managed to get a module he has not written by himself to be removed from CPAN. Some of you will highly appreciate this work, others will detest it as killing a sacred cow. What do you think? Would you like to encourage Neil to keep working on this, or do you think there are other, more effective avenues to improve CPAN?

Changes files and CPAN::Release::Spec

How and why keep your Changes file in standard form. If you are not a CPAN author, then helping to standardize Changes files could be a simple way to help the Perl and CPAN ecosystem. There are pointers in this post how to see which distributions have Changes files that not according to the spec. Then you can go ahead and help fix those.

Dist::Zilla is for lovers

Last week there was quite a bit of anger flowing towards Dist::Zilla, its users and author, to which David Golden responded in a harsh way. Now Ricardo Signes, the author of Dist::Zilla, tries to explain his position and tries to calm people down. Last week I left out these links as I did not want to give a stage for those haters in the original post, but now I feel it might be better to share these.


Learning Perl Challenge: March Madness

by brian d foy (BDFOY)

If you want to get people to notice Perl, or if you want to become a millionaire (or both), brian d foy has a challenge for you.

Repliconz - dev log 0

Getting started with Perl SDL (Simple DirectMedia Library). There is also a version of this post.



my $scalar;

Emma Howson has recently started to learn Perl. She decided to describe the process and what she learned in a series of blog posts. A very welcomed process. This time it is about scalar variables, and their declaration using "my".



David Oswald about Regular Expressions

55 min video presentation.

Perl 6

January Rakudo Compiler Release: MoarVM support and much more

by Jonathan Worthington (JONATHAN)

Jonathan Worthington explains the significance of the most recent release of the Rakudo Perl 6 compiler.


Perl at FOSDEM 2014: dev-room and stand

Just another reminder for those who like beer or chocolate, or are otherwise near-by Brussels, Belgium. FOSDEM will take place on 1-2 February. There will be a Perl dev-room on Saturday and a Perl booth to visit both days.

Weekly collections

Perl Maven Tutorials

EOF - End of file in Perl

In other languages you might need to use eof(), but in Perl you almost never need it. Here is why.

What are string and numeric contexts?

The first guest post of Curtis "Ovid" Poe on the Perl Maven site. We talked about scalar and list context earlier, but do you know what is numeric context and string context? Ovid explains.


I usually list the next 3-4 events here. The list of all the events can be found on the web site. If your Perl event is not listed there, please let me know.

German Perl Workshop (GPW 2014)

March 26-28, 2014, Hannover, Germany

Dutch Perl Workshop 2014

25 April 2014, Utrecht, The Netherlands

Polish Perl Workshop 2014

16-18 May, 2014 in Poznan, Poland

Czech Perl Workshop

20-21 May 2014, Prague, Czech Republic

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