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Issue #113 - 2013-09-23 - Object Oriented Perl
latest | archive | edited by Gabor Szabo
This edition was made possible by the supporters of our cause.
Don't miss the next issue!
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Hi, It seems the development of p5-mop (a subset of Moose in core Perl) has inspired a few people. This is despite the expectation that it is at least 1-2 years till it becomes ready for production code. This week we have 3 related articles. I have also started to experiment adding a few more links in the comment section of the newsletter. What do you think about those? Gabor Szabo |
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Sponsors
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We are a growing software company using open source software/modern Perl practices to build innovative e-payment, auction, and tax collection web applications. |
Announcements
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by Renee Baecker (RENEEB) There is going to be a Perl Community Workshop in Frankfurt, Germany on October 26-27, 2013. The announcement is in German. |
Articles
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by Yanick Champoux (YANICK) Hiveminder is a collaborative todo list 'in the cloud', that can be used even if you only collaborate with yourself. It offers and API wrapped in Net::Hiveminder. Yanick Champoux has started to build a new, Perl based client. First for the command line, with later plans to create his own web interface. See the explanation about how the command line interface was built. | 
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Testing
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by Timm Murray (TMURRAY) Maintaining the number of tests can be a real pain, and running tests in parallel can confuse the parser. Timm Murray from the Wumpus Cave shows how the subtest feature of Test::More can solve the former, and has an example how the latter might be solved. | 
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Code
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by Steven Haryanto (SHARYANTO) An interesting article by Steven Haryanto discussing how to handle backward incompatible changes. One of the approach is to keep the old behavior in a separated module and allow the user to specify which behavior they want to have at the use-time of the module. |
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by David Farrell (DFARRELL) David Farrell shows how to use the LoadFile function of YAML::XS and how to access the data after loading it. | 
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Fun
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Tim Heaney (oylenshpeegul) has implemented a simple class with 2 attributes, and a subclass inheriting from it in 7 different ways: vanilla Perl, using Object::Tiny, Moo, Moose, MooseX::Declare, Moops and the current version of p5-mop, called p5-mop-redux. In such a small example it is quite easy to see the differences among these approaches. (Discuss it on reddit.) |
Web
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What would happen, if you need to run a long process in a web app? There are plenty of established solutions for this, but David Schmidt decided to use his database to manage the queue. |
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by John Napiorkowski (JJNAPIORK) John Napiorkowski explains why he changed the release policy of Catalyst to have a development release after each quest has been completed: 'it would help inspire contributors since there's nothing better than to see you code live on CPAN'. So far 3 out of 7 quests for the Hamburg release have been completed. | 
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Perl 5 mop
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by Damien Krotkine (DAMS) Damien Krotkine provides a little background for p5-mop and explains why it is important to try it now, while it is still in development. He also gives examples about how to try it. (There is also a copy of this post on blogs.perl.org with some further comments.) | 
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Stevan Little, the author of Moose and main force behind p5-mop further discusses how he has been porting Bread::Board to use the new, and still under development p5-mop. |
Perl 6
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by Jonathan Worthington (JONATHAN) Jonathan Worthington writes about the 2-day course he ran a few weeks ago and links to the material that was released under Creative Commons license. | 
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Konrad Borowski, who you might know from the weekly report about Perl 6, started a new series of articles about Perl 6. In a style, the first one is about the MAIN subroutine which adds command line handle handling to your script. |
Past events
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by Daisuke Maki (DMAKI) Daisuke Maki (lestrrat) who ran the biggest Perl events in the world decided to retire from this volunteer position. YAPC::Asia is looking for a leader and an organizer! | 
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by Dave Cross (DAVECROSS) Dave Cross has posted a collection of the videos covering his own talks at YAPC::EU in Kiev. | 
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Weekly collections
Perl Maven Tutorials
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Traversing a directory tree is a very good example to explain recursion. Certainly more natural than Fibonacci of factorial. |
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Solving the same problem as above, but this time using a queue. |
Events
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.
