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Perl Weekly
Issue #8 - September 19, 2011
Hi there,
This issue was mostly prepared on the train from Helsinki to Tampere. It's great to have wifi on trains, even it that means I missed some of the views of Finland. Never mind. I still caught a glimpse of the beautiful sky and we still have the trip back.
New event: The Twin City Perl Workshop 2011 in Vienna and Bratislava, between 4-5 November has been announced. See details below.
Experiment: The links to the articles are now using bit.ly in the e-mail. This will allow me to gain some insight which articles are more popular. Please let me know if something is not working.
Poll: I am preparing a poll asking people (both Perl Weekly subscribers and others) what kind of articles would they be interested to read. I'd appreciate your help telling me what should be the options? Please reply in email!
Now to the posts...
Headlines
The New OO Docs of Dave Rolsky for the Perl Core Have Been Merged
After many months of working the new OOP docs written by Dave Rolsky finally reached the point when they could be merged into the core perl documentation. This means they will be part of the next official release of perl. If you are impatient to wait you can check out his blog entry and from there the link to the documentation.
ack: 1.96 released with Groovy support
ack is like grep, just better.
Articles
How to Use Regular Expressions to Parse Nested Structures
Peter Thoeny uses the SpreadSheetPlugin of TWiki as an example to show how to build a mixture of subroutines and regular expressions to parse data that can have nested elements. (eg. XML or HTML)
Corelist web interface
Tina Müller (tinita) mentioned the web interface for the Corelist module she rebuilt. I have not seen this website earlier but I think it is really nice that you can check when was a module first included in the standard Perl distribution and which version of a module was included in each version of Perl.
Perl for Google Fusion Tables
'Fusion Tables is a new Google product for data storage: a kind of database' writes Robin Clarke (RCL) while introducing his new module Google::Fusion encapsulating the access to the service.
02packages.dependencies.txt.gz && apt-cpan
For a long time I wanted a solution to be able to use CPAN.pm to install a module but let it default to apt-get (or yum) if a dependency is already available from the vendor. Jozef shows his solution using the MetaCPAN::API
Discussion
Which is the better language to learn Perl or PHP?
I wrote this article in response to a question I got. I tried to make the comparison related to the job opportunities. The article was quite popular but the strange thing was that some of the comments on Google Plus and Twitter related to the relative qualities of the two languages and not the career opportunities.
RESTful Perl Resources
chromatic asked for directions on how to explain and teach REST for Perl programmers. Several comments from well known Perl programmers pointed to the 'REST in Practice' book, a few articles and a CPAN module to help with the task.
Video
Mojocast Authentication, Helpers, and Plugins
Glen Hinkle (tempire) released the third episode of his Mojolicious screencast.
Hello World
Leo Lapworth (Ranguard) has just released a new, 2 minute screencast showing how to write hello world on the command line.
Games
prisk (Games::Risk) gains its own map format, allowing translations!
I have already managed to waste a lot of time playing Risk using prisk written by Jerome Quelin (jq). Now its your turn. New map format and a partial move to Moose will allow more people to get involved in the development and the localization of the game.
Code
How to find files with Path::Class::Rule
David Golden (dagolden) introduces his new module for traversing a directory structure an processing files and directories based on some rule. Think about a Perlish way of using the Unix find command.
Faster HTTP usage
Martin Evans compares the speed of LWP to WWW::Curl::Easy and shows how the latter is faster. The code is more complex though and I am not sure if being faster on the CPU really matters. After all these both solve network intensive tasks. Waiting for the HTTP request still takes a lot more time than the CPU usage.
Tool for Perl Scripting - Devel::Comments
Tyler Slijboom shows how to use your comments to have seamless logging in your code for easier debugging. Though it is not mentioned in the blog but Devel::Comments is a fork of Smart::Comments. For some reason I never used either of those but I should give them a try as the idea seems to be good.
Perl Examples: Array of Arrays, Hash of Arrays, Hash of Hashes, Stack
Sathiya Moorthy gives 5 simple examples dealing with complex data structures in Perl.
Perl 6
This is not enough!
One of the biggest issues I had with Rakudo Perl 6 was its speed. I can program around some bugs. I can implement some missing CPAN modules but if it takes minutes to run my code instead of seconds I'll easily lose my patience. Jonathan Worthington describes how, getting a new and faster machine got him to improve the speed of Rakudo even further. - I think it is time for me to take another look at Rakudo.
Padre
Padre realtime diff :)
Ahmad M. Zawawi (azawawi) shows further progress in the development of Padre. Improved integration with VCS tools allows the Padre user to see the
Not Perl
Bootstrap && Perl
As miguel prz (niceperl) also pointed out this is not exactly a Perl post but I hope people from the Perl community will pick up the idea and integrate Bootstrap with their web framework.
Success or failure – with open source
This is not a Perl specific post but I think people who are involved in open source Perl projects or who are using one - in short anyone using Perl - could benefit from reading and thinking about the question: 'What makes an open source project successful?' Is that what Ulrich Habel (rhaen) wrote or is that something else?
Events
Twin City Perl Workshop
November 4-5, 2011, Vienna, Austria and Bratislava, Slovakia
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(c) Gabor Szabo
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