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Thursday
Jun 12, 2014
Portland Perl Mongers - Deploying Perl Applications with Carton
Free Geek

Deploying Perl Applications with Carton

Speaker: Ian Burrell

CPAN has lots of useful Perl modules and it makes it easy to install them. But it has the problem of how you specify the modules your application needs to install, how you replicate the install on different machines, and how you keep applications and system packages separate.

Carton is built on top of Cpanminus and local::lib. Cpanminus is a simple command-line tool for installing CPAN modules. local::lib helps install modules into an application directory. It uses a new file format, Cpanfile, to define the module deepencies, including version specification. It records the installed versions so the specific sets of modules can be recreated on other machines and is checked into version control.

We use Carton to install modules for our large Perl applications. It allows developers to install modules without installing system administrators. Since installing modules can be slow, we implemented caching on top of Carton. We deploy applications with Capistrano and have integrated Carton into our build and deployment process.

As always, meet us at the Lucky Lab for some beer and good company following the meeting.

Website
Thursday
May 8, 2014
Portland Perl Mongers - Hack Night
Free Geek

Hack night at PDX.pm! Bring a project or a module to work on. The floor is open if you have anything to demo. If you don't find us at Freegeek, stop on by Lucky Lab Brew Pub.

Website
Thursday
Mar 13, 2014
Portland Perl Mongers - Light Table and Perl
Free Geek

Rafael will be doing a demo and some live coding using Light Table -- an IDE that, among other features, offers live evaluation of code -- along with a plugin for Light Table that enables live evaluation of Perl code.

We'll follow up and close out with some open floor discussion time.

As always, the meeting will be followed by social hour at the Lucky Lab Brew Pub.

Website
Thursday
Feb 13, 2014
Portland Perl Mongers - Open Forum
Free Geek

Open Forum Night! Introduce your new project, start a discussion on a project or module, or ask a question of the group. Bring what you want, it's all fair game.

As always, the meeting will be followed by social hour at the Lucky Lab Brew Pub.

Website
Thursday
Jan 9, 2014
Portland Perl Mongers - Module Interface/API design
Free Geek

Module Interface/API design

Speaker: Chad 'Exodist' Granum

Most developers create a module when they want to solve a problem. Most focus goes into the inner-workings of the module. Interface often takes a backseat and is addressed as an afterthought. This approach to interface design leads to horrible headaches.

For Part 1 Chad will be introducing several module interface paradigms. This includes a brief review of OO, as well as simple exporters and declarative builders. Examples from common CPAN modules will be given.

For Part 2 chad will take attendees through an exercise in designing an API for an example module that is actually useful (and not simply a toy for the example). We will weigh the pros and cons of different interface possibilities as well as show a complete implementation.

As always, the meeting will be followed by social hour at the Lucky Lab Brew Pub.

More information

Website
Thursday
Dec 12, 2013
Portland Perl Mongers
Free Geek

Bring your projects to an informal project hack night tonight at Freegeek! We might move the projects to somewhere with beer, and head to the Lucky Lab Brew Pub early.

Website
Thursday
Nov 14, 2013
Portland Perl Mongers - ØMQ Sockets and Perl
Free Geek

ØMQ Sockets in Perl

Speaker: Anthony Johnson

Part message queue, part socket implementation sugar, ØMQ can be used to simplify socket communication and to scale out applications, and you don't even have to worry about the awful parts of socket communication. But more aptly and straight from the horse's mouth:

ØMQ (also seen as ZeroMQ, 0MQ, zmq) looks like an embeddable networking library but acts like a concurrency framework. It gives you sockets that carry atomic messages across various transports like in-process, inter-process, TCP, and multicast. You can connect sockets N-to-N with patterns like fanout, pub-sub, task distribution, and request-reply. It's fast enough to be the fabric for clustered products. Its asynchronous I/O model gives you scalable multicore applications, built as asynchronous message-processing tasks. It has a score of language APIs and runs on most operating systems. ØMQ is from iMatix and is LGPLv3 open source.

Find out what ØMQ is, where to use it, and learn about common patterns, pitfalls, and how it can be used for building anti-RESTful APIs. Anthony will elaborate on what it took to build a scaled out application and API using Python, Perl, and ØMQ.

As always, the meeting will be followed by social hour at the Lucky Lab Brew Pub.

More information

Website
Thursday
Oct 10, 2013
Portland Perl Mongers - Show and Tell
Free Geek

Show and Tell night! Bring your projects, problems, and presentations for show and tell/lightning talks. As usual, the meeting will be followed by social hour at the Lucky Lab Brew Pub.

Topics include:

  • Anthony - Memory profiling and Test::LeakTrace
  • You - Something

More information

Website
Wednesday
Apr 13, 2011
pdx.pm Portland Perl Mongers
Free Geek

topic: Mock::Quick speaker: Chad 'Exodist' Granum

Mock::Quick: (CPAN, Github) Is a modern mocking library taking advantage of modern Perl interface design.

Topics include: * Quickly throwing together a minimum object to shove somewhere * Mocking a quick, but strict object * Takeover an already loaded class redefining and restoring specific methods * Generate a mocked class that prevents the real one from loading * Anonymous package mocking for a reusable mock * Collecting usage data * Brief overview of internals (the more you know! -=*

Mailing List info: http://pdx.pm.org/kwiki/index.cgi?MailingList

IRC info:

pdx.pm on irc.perl.org

More info on the wiki: http://pdx.pm.org/kwiki/index.cgi?February2011Meeting

Website
Wednesday
Feb 9, 2011
pdx.pm Portland Perl Mongers
Free Geek

The plan is to have a series of Lighting talks around the topic of "Worst Useful Hack".

Though our only scheduled speaker has come down with the sick so it might just end up being social hour... though if you have any ideas you would like to share please feel free to bring them up on the mailing list or on irc.

Mailing List info: http://pdx.pm.org/kwiki/index.cgi?MailingList

IRC info:

pdx.pm on irc.perl.org

More info on the wiki: http://pdx.pm.org/kwiki/index.cgi?February2011Meeting

Website
Wednesday
Jul 8, 2009
Portland Perl Mongers - PDX.pm
Free Geek

CPAN and Core Q&A

Bring your questions (and answers) about how things work under the hood and behind the scenes.

Possibly some entries for the Euler/shootout challenge.

As usual, meetings are followed by social hour at the Lucky Lab.

Website
Thursday
Jul 2, 2009
PDX.pm Perl 5.10.1 Codesprint
Lucky Labrador Brew Pub

Codesprint for learning about Perl 5 development, git and getting 5.10.1 out the door. This is our first codesprint, so things are still a bit up in the air.

Useful stuff:

5.10.1 blockers: http://tr.im/perl5_10_1_blockers

Using the Perl git repo: http://perl5.git.perl.org/perl.git/blob/HEAD:/pod/perlrepository.pod (short and sweet)

How to hack the Perl internals: http://perl5.git.perl.org/perl.git/blob/HEAD:/pod/perlhack.pod (kinda scary)

Thursday
Jul 10, 2014
Portland Perl Mongers - Highly Functional Programming
Free Geek

Highly Functional Programming

Speaker: Eric Wilhelm

Functional programming is very pure and elegant when nothing can change, and the computer can reason about your code for you -- in theory. Reality is messier, but Perl and other high-level languages support pure functions as a subset of the procedural and OO paradigms, so why don't we use them more? Functional techniques are good problem solving tools, useful for event-driven programs, and can be mixed into traditional OO and procedural codebases for better code reuse and testability.

In this talk, we'll look at some benefits of purely functional programming from a pragmatic and procedural viewpoint. There will be absolutely no mention of monads because we will just ride our lambdas through the mud and get it done. We'll see how good programming practices tend to suggest stateless and functional approaches. We'll examine techniques for refactoring which separate functions from state changes and allow you to better test and reason about your code. Finally, we'll look at language interpreters and discuss how technology might be able to help get even more benefits out of highly functional programming approaches.

This is a preview of an upcoming OSCON talk.

As always, meet us at the Lucky Lab for some beer and good company following the meeting.

Website
Thursday
Sep 12, 2013
Portland Perl Mongers - fennec 2.0 now with corperate sponsorship
Free Geek

fennec is an alternate testing framework for perl. It's author will discuss recent improvements that have been made as the project has developed.

Website
Wednesday
Aug 10, 2011
pdx.pm : Dependency Injection strategies with perl
Free Geek

pdx.pm : Dependency Injection strategies with perl

notbenh - Dependency Injection:

  • What are you talking about?
  • ... oh that, I did that all the time in java/ruby/??? so you can do that in perl!?
  • So what are some patterns for non-moose solutions?
  • What else can you do with this stuff?

If you have specific questions/aspects that you would like me to focus on please feel free to contact me pre-meeting at ben.hengst { at } gmail.com

As always, social time and drinks at the Lucky Lab Hawthorne (3 blocks north) post talk.

Website
Wednesday
Oct 13, 2010
PDX.pm - Practical Lists / Utilities pulled from Fennec
Free Geek

The monthly meeting of the Portland Perl Mongers

peaker: Chad Granum

Chad will give 2 shorter talks in a row. The first talk will deal with lists, what they are, how to use them. The second talk is a short presentation on several useful tools/utilities that started as part of the Fennec project but have been pulled out for general use.

Practical Lists Chad will define what a list is and how it differs from an array. He will cover tools such as grep and map, as well as some List::Util functions. He will explain how you may start using lists in more places when you understand how they work.

Utilities pulled from Fennec Fennec was a large undertaking, it also required implementing a few new ideas. Many of the new ideas are useful outside of the Fennec project. Chad will cover the following until he runs out of time:

Exporter::Declare Method::Workflow Child Exodist::Util Devel::CallerStack

Website
Wednesday
Jan 13, 2010
PDX.pm How to Lie Like a Geek [Michael Schwern]
Free Geek

How to Lie Like a Geek speaker: Michael Schwern

Geeks have a special relationship with The Truth. Nothing is more important than correcting a falsehood, no matter how small, and nothing is more odious than not telling The Truth. Unfortunately, in speaking The Whole Truth and Nothing But The Truth, the meaning is often mangled and the end result is the opposite, a lie.

We’ll examine some ways geeks lie while telling The Truth, to themselves and to others, and hopefully achieve better communications, easier to understand interfaces and maybe some personal enlightenment.

Some examples include: Lies by omission, lies by precision, lies by irrelevancy, lies by design, lies with statistics and that most dangerous of words “should” as in “the user should have realized”.

There will be cake. http://tinyurl.com/mermtx

As always, the meeting will be followed by social hour at the LuckyLab

Website
Wednesday
Dec 10, 2008
PDX.pm: Getting Involved with Rakudo (A Flavor of Perl 6)
Free Geek

This will be a guided "hack session" about getting involved with the development of Rakudo, the first fully-featured Perl 6 implementation, which runs on the Parrot Virtual Machine. There will be a briefing at the beginning of the meeting to bring everyone up to speed and clarify any confusing terminology.

Then we will break into groups and learn-by-hacking on whatever interests the participants. You must be interested in doing something with Perl 6/Rakudo, start now!

The end of the meeting will be a short wrap-up where people voice there experiences working on Rakudo (what needs to be made easier? what rocks? what sucks? what do you want to work on next time?).

PDX.pm normally meets at 7-till-7 (6:53pm) at FreeGeek for roughly an hour or so, then walks a few blocks to the Lucky Labrador Brew Pub for social hour.

Website
Wednesday
Aug 13, 2008
PDX.PM - What I Learned, Ate, or Drank During OSCON
Free Geek

Come talk about what you did at or near OSCON. Free-form discussion, followed by beer at the Lucky Lab.

Website
Thursday
Jun 13, 2013
Portland Perl Mongers – Simple Questions Should Have Simple Answers + pdx.pm governance
Free Geek

speaker: MichaelSchwern

If a developer ever says “it’s really simple”, run and do not look back.

Developers often throw around terms like “easy” and “obvious” but what do they tell them about what to do to make something “easier” and “more obvious”? What does it tell them about whether somebody else will find something “easy” and “obvious”? Not a lot.

Giving simple questions simple answers tells how to take action to make things easier and more obvious to the casual user. Embracing the task of providng simple answers rejects the fallacy that complex implementations mean complex answers. It creates a new relationship of respect between the user and the developer; a good user can ask a simple question illuminating what people want to do, and a good developer fulfills the user’s desire for a simple answer. What does it mean to be simple?

  • How do you find it?
  • What are its benefits?
  • What happens when you don’t seek simplicity?

pdx.pm governance

Before the presentation, we'll have a short discussion about the future of the monthly group meetings as Eric Wilhelm is no longer able to be the sole organizer.

As usual, the meeting will be followed by social hour at the Lucky Lab Brew Pub.

Website
Thursday
Dec 11, 2014
Portland Perl Mongers
Free Geek

Join us at Freegeek for this month's installment of PDX.pm.

As always, join us for beers at the Lucky Lab after the meetup.

Thursday
Jan 12, 2012
Portland Perl Mongers – AMGSP2012 (Schwern rides a pail Moose)
Free Geek

7th-ish Annual-ish Michael G Schwern pdx.pm Presentation

Presentation details to be determined. (Rumored to be about small, furry creatures with antlers aka OOSE.)

As usual, the meeting will be followed by social hour at the Lucky Lab.

Website
Thursday
Jun 14, 2012
Portland Perl Mongers – /usr/pdx/bin/perl -More::Beer
Lucky Labrador Brew Pub

In celebration of having already executed one successful emergency rescheduled meeting replacement beer-drinking social hour this month, we'll be starting 22 minutes later and roughly 0.7 furlongs norther than the usual time and space.

I will put out a pdx.pm sign. We might be out back depending on how crowded and noisy it is. You can also probably find us with or near the weekly hackathon folks.

Website
Wednesday
Dec 8, 2010
Portland Perl Mongers: Three Talks for the Price of One
Free Geek

We will be having three lightning-ish talks at PDX.pm this month.

Perl and Parrot in Google Code-In : Highlights and How To Get Involved

-- Jonathan "Duke" Leto

Tool::Bench : A Generalized Benchmarking Framework for Just About Anything

-- Ben Hengst

Graphics in Software Documentation : Why The Void?

-- Otto Hirr

Please come by and be sure to come hang out afterwards at the Lucky Lab social hour, just a few blocks away.

Website
Wednesday
May 13, 2009
Perl Mongers: QA Panel / Tool Expo
Free Geek

PDX.pm meetings are on the second Wednesday of each month at 6:53pm, typically at Free Geek. Meetings are free-of-charge for all PortlandPerlMongerMembers. The cost for non-members is $2,000,000,000.00 per person.

What tools and techniques do you use to keep your project shiny and well-oiled? Bring a sample for show-and-tell, or just a few things to say about it.

Please see the kwiki link for the latest details about this meeting. Our panels always lead to interesting and surprising discussion.

Website
Wednesday
Sep 14, 2011
Portland Perl Mongers -- "Last of the 2nd Wednesdays" Social
Lucky Labrador Brew Pub

Note the (temporary) location change. This is possibly the last of the meetings on 2nd Wednesdays and a break from Free Geek while we figure out the keys/space issues.

We'll be discussing all things Perl and generally socializing in or near some tasty beverages. If you are new, look for the pdx.pm t-shirts[1].

Feel free to bring a laptop if you have some code or Perl questions to share or work on. (Or if you have no laptop, just bring the code/url.) I would also like to hear your ideas and proposals for future meeting topics and presentations.

The other meeting was last Thursday (Sept 8th), also at the Lucky Lab, where we began voting on whether to move the meeting to 2nd Thursdays. You get one vote for each time you show up (vote for both days or one twice.)

Rumor has it that the classroom at Free Geek is being redone into rows of desks with a whiteboard and projector -- which makes 2nd Wednesdays more viable, though the meeting room might still be a better space for us.

[1] My shirt is often purple. There was talk on irc.perl.org/#pdx.pm of getting a '$_' bat-signal to shine on the ceiling, but no volunteer yet.

Website
Thursday
Sep 8, 2011
Portland Perl Mongers -- "Now on 2nd Thursdays" Social
Lucky Labrador Brew Pub

Note the new date and (temporary) location change. This is a trial run at changing to 2nd Thursdays and a break from Free Geek while we figure out the keys/space issues.

We'll be discussing all things Perl and generally socializing in or near some tasty beverages. If you are new, look for the pdx.pm t-shirts[1].

Feel free to bring a laptop if you have some code or Perl questions to share or work on. (Or if you have no laptop, just bring the code/url.)

The other meeting will be next Wednesday (Sept 14th), also at the Lucky Lab. You get one vote for each time you show up (vote for both days or one twice.)

Rumor has it that the classroom at Free Geek is being redone into rows of desks with a whiteboard and projector -- which makes 2nd Wednesdays more viable, though the meeting room might still be a better space for us.

[1] My shirt is often purple. There was talk on irc.perl.org/#pdx.pm of getting a '$_' bat-signal to shine on the ceiling, but no volunteer yet.

This event overlaps with PDX Hackathon! Some type of tech user group jousting may occur.

Website