Archive | Ruby

Notes from NH Ruby, 21-May-2009: Brian Turnbull on Monit, Tim, Nick and the other Nick Lightning Talks

The New Hampshire Ruby / Rails Group met on the 3rd Thursday of the month at RMC Research. (Third-Thursday is the new standard, but June’s meeting is likely to be on a different night; see below.) Ten people attended. Nick Plante started off the meeting, noting that David Berube had to back out due to emergency, but we’d fill in with ad-hoc Lightning talks.

Brian Turnbull talked about Monit [link updated – Ed.] (see his slides here), a small-memory and resource-consuming application for monitoring key performance metrics, and launch scripts and/or alerts when alarm levels are met. Brian talked about early days of managing Mongrel and the necessity to restart the services on failure. While that’s mostly been resolved with later versions (and new options like Passenger), this is still a handy utility for keeping services going, especially if you’re troubleshooting some balky applications. Brian included some clear examples in his slides. We talked about how this wasn’t a solution for remote monitoring (your network could be down, even if you’ve restarted Apache), there were solutions, like running Monit on a couple of machines “watching the watchers” and other solutions, but that Monit was a simple and relatively lightweight solution. Other tools, such as Nagios, are available for more complex problems and the need for customization. Excellent presentation!

Tim Golden, our host, announced he had finally gotten to “Hello World” (a long running joke within the group) and described some of the challenges of setting up a Ruby development environment in Windows. He used the Ruby one-click-installer, and installed many gems. He’s trying out NetBeans as his IDE, and sticking with SQLite as the development database.

Nick Quaranto spoke on his work with gemcutter, developing a new scheme for a gem repository with a simple and scriptable API and a more scaleable and responsive repository architecture. This could grow to be a worthy replacement to RubyForge.

Nick Plante showed off the cool stuff he’s developed at – a web site that displays Ruby documentation generated with Yard . Noting that GitHub hosts your web pages and repositories if you name your repo as and provide an index.html, he and fellow troublemaker Jeff Rafter came up with the righteous hack of creating the user and repo of and hosting the documentation for the thousands of projects hosted at github, fashioning their Yard template to closely duplicate the GitHub interface. For all practical purposes, they added a new feature to GitHub. The GitHub owners were… disturbed. But we hope they’ll come around, as this is a pretty elegant solution.

Nick Quaranto took the podium again to show off the use of Metric-Fu at ThoughtBot for their public projects. Metric-Fu is a rake task that automates other metrics tools (like Flog and Flay) to generate a number of interesting statistics that will point out excessive churn or suspicious smells in a project. Nick showed off the Sinatra front end to the package. This could be another very interesting set of pages on any repository offering software, although Nick noted that it would be resource-intensive, as the test runs and coverage processing can be pretty extensive.

Nick Plante announced a possibility of getting a special speaker in June, although the meeting would need to be on an alternate night. All present agreed that shouldn’t be a problem. Stay tuned for the announcement.

An excellent meeting, well worth the cost of admission. And that’s not even counting the free pizza! Thanks to Nick Plante for organizing the meeting, to Brian, Tim and the two Nicks for their presentations, RMC Research for the great facilities, and all for attending and participating!

If it’s the third Thursday…

If it’s the third Thursday of the month, this must be Portsmouth, New Hampshire. Today’s the day for the (recently rescheduled) New Hampshire Ruby / Rails Group to meet. Tonight’s meeting will feature two presentations: David Berube (co-author, Practical Rails Plugins, former leader of GNHLUG and CentraLUG) talking about high-performance web sites using Ruby on Rails and MySQL, and also Brian Turnbull (contributor to Rails Rumble and Portsmouth Coworking founder) talking about Monit, the monitoring system. The full meeting announcement is here. Hope to see you there!

Notes from NH Ruby presentation, 30-April-2009

Fourteen attendees made it to the NH Ruby / Rails group meeting on Thursday, April 30th. We met on the 5th Thursday of the month, unlike our regular third Thursday (note that the next meeting is on May 21st, our regular night) at RMC Research in Portsmouth, thanks to host Tim Golden.

We did the usual round of introductions. NH Ruby attracts a great mix of people: beginners, experts, professionals, hobbyists, computer people, engineers. We had two presentations — Russ Jones on state machines, and Nick Quaranto on Git — as well as pizza provided by organizer Nick Plante and announcements and discussions from all.

Russ Jones is an independent contractor (as “codeofficer“) and has been working in Rails for some time. His presentation was on state machines. Russ has presented before, speaking on Design Patterns in Portland for the Maine Ruby User Group. Russ admits he was a more of a skript kiddie in PHP, getting code to work, but is taking a more serious engineering angle to his work on Ruby. See Russ’s slides here. We reviewed the definition of state machine from wikipedia, formal and correct, but Russ prefers a simpler one: a machine serves as a container for states, and supports the events and transitions between states. Typically implemented as the supporting structure for a single attribute of an object, ex: states could be “draft,” “reviewed,” “approved,” published,” “destroyed.” Attributes are most often a string. Events are often exposed as methods and have “guards” that could be used to validate and/or nullify an event, log it, or trigger afterwards. Two most common implementations are State Machine and Acts As State Machine — the first is a Ruby plugin, the second originally Rails code, migrated into a gem. Russ showed us an example code of a class “Light” that has a state machine to store “intensity” and an event “switch.” Showed another example from the State Machine docs of an auto transmission.

Russ switched to Safari and TextMate at this point, and showed us a hand-coded CMS used for publishing items to the web. The Admin module has the ability to change the state (submitted, reviewed, approved, published, rejected, spam) of submitted articles. Digging into the code, he shows us he was using two Listable and Statusable mixins as separate modules as his primary posting entities – Jobs, Events, Classifieds, etc. — share these behaviors, but not all their attributes. State Machine also includes a link into graphviz that generates diagrams of state transitions, great for documentation. His final example was a command-line driven simulation of the states of his motorcyle, from off to idle to 1st, 2nd, 3rd, crash and repair states! An excellent presentation with clear examples!

Nick Quaranto is in a 5-year Software Engineering program at RIT and is interning this semester at Boston-based Thoughtbot. He blogs at and can be found on twitter and github as qrush. Nick’s slides can be viewed and download at While Nick’s presentation was all-slides, it wasn’t fluff: he packed a lot of heavy concepts and pushed through a lot of material pretty quickly and clearly. I think Nick made a fair assumption that most of the people in the room should have the basic concepts of source code control down, and dove right into the material. So, we got a brief introduction to the basics followed by some intensive work on forking, branches and rebasing. I found this to be a very useful presentation and took lots of great notes for future reference. Also, note there is a “Learn More” slide near the end of Nick’s presentation with a couple of very useful links.

Thanks to Russ and Nick for great presentations, to (the other) Nick for organizing and publicizing the meeting, to Tim and RMC Research for hosting and to all for attending and participating. Next meeting is scheduled for May 21st, same location, topic TBA. Hope to see you there!

Notes from NH Ruby/Rails Group, 19-February-2009: Josh Nichols, Jeweler, Brian Turnbull, Rails 2.3

The New Hampshire Ruby / Rails group met as usual at the RMC Research offices in Portsmouth. Thirteen people attended the meeting, a suspicious number of them from Maine. We started, as we often do, with a round of introductions.

Josh Nichols presented RubyGems and You. A former Java developer, started working with Ruby about two years ago, got a “real” Ruby job about 6 months ago, laid off 2 months ago, currently “employment independent.” Josh presented an excellent overview of how gems work, how they fit into the logic of Rails apps, how they are distinguished from plugins, and how gems can be created. He went on to talk about the two primary repositories, RubyForge and GitHub, and talked about the benifits and liabilities of each. This was all pretty much background for his presentation of Jeweler, a set of scripts that can generate the framework needed to build a gem, with support for pushing it directly up onto GitHub, automating the bumping of version numbers (patch, minor and major versions). Josh made a very clear presentation of the skeletal files that were created and touched on issues with RSpec testing, rake scripts, how to tie in library paths, vendor-izing your gems. Whew! A great amount of material covered quickly and well. Thanks, Josh!

Brian Turnbull did a presentation on the new features of Rails 2.3: Engines, nested transactions, nested forms, nested attributes, dynamic and default scope, other changes (multiple conditions for callbacks, HTTP digest authentication, lazy loaded sessions, localized views, and more!)

Brian then did a short presentation on Rails Metal. Metal runs on top of Rack, and is a tool you turn to when the full Rails stack is too complex or too slow. There was some interesting discussion on how Metal can fit into the calling stack, short-circuiting calls that didn’t need the full Rails process.

Demo version:

You can view their slides via SlideShare and also view a WebEx video of the event (see the post’s comments) at

Thanks to Josh for the trip up from Boston and the great presentation. Thanks to Brian for two cool presentations. Thanks to Tim Golden and our hosts at RMC Research for the great facilities and for broadcasting the presentation via WebEx this month. Thanks to Nick for herding the cats and ordering the pizza and making the announcements and giving away a couple of cool O’Reilly books. Thanks to all for attending and participating!

Next month: Ted Roche presents an introduction to Cascading Style Sheets, Nick Plante presents Sinatra. Hope to see you there!

Notes from CentraLUG, 2-Feb-2009: Open Source Business Models

Fourteen people attended the February meeting of the Central New Hampshire Linux User Group, a chapter of the Greater New Hampshire Linux User Group. We held our meeting at the usual place and time: the first Monday of the month at the New Hampshire Technical Institute Library, Room 146. Formal meeting starts at 7 PM. Gathering and networking often starts a half-hour earlier.

A few of us met at Panera Bread in Concord before the meeting for dinner and geek talk. We’ll try to make this a regular thing, if people want to.

Before the main meeting, maddog showed off a video he had created, inspired by some recent demonstrations of Open Source software he had seen. Using nothing buy Open Source software, including Inkscape and Kino. maddog emphasized that he’s not an experienced cinematographer, nor had he much experience with the other packages, but that making the video was simple and straight-forward. And the results quite amusing. Look forward to a future post with a link to the video!

We were fortunate to have a variety of attendees to discuss the topic of “Open Source Business Models.” After a brief introduction of what the LUG was about and where to learn more, I opened the floor to the attendees for discussions, and discuss they did!

We talked about the Brazilian music scene, Microsoft EULAs, the difference between Free Software and Open Source software, some great Open Source success stories, like the Project.Net software. There were questions on the fine points of licensing, comments on the openness of the Java Development Kit and runtimes, and much good discussion.

At the end of the evening, two lucky attendees got to pick from the assortment of books we’d been provided by generous publishers. Using the formula of:


in interactive ruby and counting off around the room (I started with zero and we went clockwise around the room, a surprisingly difficult process with cats). Mark and Bill each won a book, congratulations! The next CentraLUG meeting will be the 2nd of March. Stay tuned for an announcement of details. Thanks all for attending and vigorously participating. Thanks to Bill for bringing the projector, though we didn’t need it.

Notes from NH Ruby Group, 15-Jan-2009: Jonathan Linowes

Jonathan Linowes was kind enough to drive from “the other side of the Notch” all the way down to the seacoast to present to the New Hampshire Ruby Group on the 15th of January (note that the NH Ruby group has moved their regularly scheduled meetings to the third Thursday of the month). Fourteen members attended the meeting, which started with a round of introductions. Pizza, soda and T-shirts were provided courtesy of EngineYard — thanks!

A typical scene at a Linux user group meeting for the first ten minutes of a meeting to be consumed with the speaker struggling to get his X windows display to sync up with the projector. I’m beginning to suspect that the Ruby group equivalent is for the speaker to discover he’s packed the wrong DVI-mini-DVI-HDMI-Video-VGA adapter and no one else has the right video adaptor for his MacBook despite a half-dozen machines present. I wonder if Apple made a mistake by changing this adaptor in every model.
ReviewRamp is Jonathan’s project – a SaaS web site for a group to bring in documents, route them through their own defined process, and approve/disapprove/select documents. Jonathan offered examples such as business plan reviews, marketing plans and job applications. Designed to look as much like a desktop application as possible, ReviewRamp has a simple GUI, with templates and wizards to make it a couple of clicks to process. Under the hood, Jonathan talked about the architecture, which includes RESTful protocols, and a design intended to scale to thousands of projects, hundreds of submissions and a handful of reviewers per project. Unlike many JavaScript-only sites, RevewRamp works well with JavaScript disabled; sweetened with JavaScript enabled. ReviewRamp is publicly in beta. Jonathan presented some slides of the models: reviewers, projects, pages, subpages, fieldsets. This last was a segue into the 3rd presentation: fields are generated via metadata for each project, but the database tables don’t change for each project, so each project has virtual tables vis Jonathan’s DynamicTable design.

Next, Jonathan had a presentation on “Cucumber: How I Slice It” Jonathan had worked PHP and other languages before, was very attracted by Ruby as a new language and the philosophy of testing, testing and more testing. Unit-testing, test-driven-design, behaviour-driven-design. Jonathan also pointed us to Brandon Keepers presentation as an excellent starting point.

Jonathan showed us some of his Cucumber scripts, which include a lot of pretty cool extensions to the base, like {show me} to actually end a test by launching a browser so he could visually verify a result. It was apparent that Jonathan really took to the testing regime, adding extensions like “He” or “She” instead of always including “The current logged in user” or “the current project”

Should you use RSpec or Cucumber? Both, according to Jonathan: each has strengths and weaknesses. RSpec is more tuned to unit-test individual functions where Cucumber is more tuned to describing behavior and outcomes.
Check out

cap deploy:features

to run Cucumber on the deployed app (typically, you’d do this on a staging server, not a production server)
Shows some example Cucumber scripts. They describe in English the point of the test, and use keywords (“GIVEN” “WHEN” “{actorname}”), an action and an expected result. This is actually parsable Ruby code that defines fixtures and features and processes defined within the story runner. It’s not just a requirement, it’s actually the test as well!

Finally, running out of time, Jonathan jumped into his DynamicRecord presentation, where he had developed a method that was ActiveRecord compatible so that it could be integrated in the rest of a standard rails app, but actually queried against virtual tables that were created on the fly rather than actual tables on disk. Interesting stuff, and I’m looking forward to seeing this code pushed into OpenSource, Jonathan’s eventual goal.

Thanks to Jonathan for the great presentations, to Nick for running the presentation, to Tim for hosting the facilities and attempting to webcast the presentation, to Engine Yard for the pizza and T-shirts, and to all the members who made it to the meeting!

You can download the 3 presentations from the NHRuby site here: ReviewRamp, Cucumber, DynamicRecord, or view them online (Flash/JavaScript required) here.

Voices That Matter, Professional Ruby Conference 08

Warning: Draft nonsense, needs spell-check, grammar and thought completion.

Voices That Matter, Professional Ruby Conference 08, Sheraton Boston, November 17-20, 2008. Beautiful facilities, good good. This is a brand-new conference, version 1.0, and Obie Fernandez was the lead at designing the technical content and format, rather radical schedule: 3-30 minute sessions with 10 minute breaks, long break, 2-30 minute sessions, lunch, 5-30 minute sessions. This means the sessions are tight: experts brain-dumping for 30 minutes

Pre-Conference Sessions

AM, Pat Maddox, RSpec and Behavior-Driven Development: excellent overview of BDD, leaped into RSpec with an expectation that users were familiar with Ruby and TDD, which might not be appropriate for a crowd at a pre-conference. Excellent use of a pre-cooked set of examples (coding a blackjack app) with the tests already written so devs only need to fill in code one test at a time to satisfy the requirements, “Red, Green, Refactor” Worthwhile session. Around two dozen attendees.

PM, Hal Fulton, Ruby Basics. Co-Author of “The Ruby Way” an excellent introduction to the language for folks not familiar with it. A few less attendees, as there was a parallel session by Russ Olsen, “Fluent in Ruby” Hal knows his stuff, was comfortable and receptive to questions. We did some ad-hoc coding. He had an excellent, and again, simple, example that let us concentrate on the code and not get stuck in the business problem: reading a table of text into a set of records, manipulating and sorting them. An incremental set of examples introduced a couple new challenges to each example, and then a couple of new ways to use Ruby, new commands or techniques, to solve those problems. Very clear. A very helpful session for getting comfortable with Ruby.

Day One: attendees 80
Keynote: Obie Fernandez: ( war stories of success at Hash Rocket. Pair programming with pairs of keyboards and mice. 14 people total. Keep small (14, boutique). No interviews (week work on site), Guest Star program. References: Agile Manifesto, 37 Signal’s “Get Real,” Rails Rumble 2007. Small Releases often. “Working software over comprehensive documentation ” from Agile Manifesto. “Visual Design First:” vs. Jakob Neilson recent blog complaining that agile was a threat to usability. Obie’s Orject mgmt: concepts and requirements, initial design, Phase one implementation (2-3 weeks), user acceptance, interation, release.

Stoires are Units of work, “storycarding” (SCRUM) estimate level of effort in points system, 1 -4 points (max a day or two), 15- 25 points per week for a team of 2-4 developers, summarize stories,

Master Services Agreement: general contract: billings, liabilities, copyright, trademarks ownership – this has to do with what?

Pivotal Tracker: free. tracks backlog and current iteration.

Standup meetings. for smaller projects. “Pivotal” standup for larger groups: what did you do yesterday? What did you do today? What…

Ben Koski, NYT Riding the Rails case study…
Election feeds. AP supplied 153 text files, colon-separated, clomposite-key difficult to parse, used LOAD DATA INFILE, INSERT – REPLACE, survived onslaught by page aching, activeController page integration to generate all possible pages, they “baked it out” and lobbed files via ftp to the actual NYT web servers.

End game analysis: strengths: rapid start, tweak-friendly, activeRecord SQL customizations, web code works on command line, self-contained deploys. Weaknesses: rails vs. nytimes,com infrastructure (SUN), Solution: host on EC2! (eight instances!) , deployments, admin interfaces (vs. Django!),

Thomas Enebo, Sun Microsystems
You don’t have to be a Java programmer to use JRuby: It’s just Ruby! (maybe a tm!). Very, very compatible with 1.8.6, using Rubinius, continueing integration. Fixed 1500+ bugs last year. JRuby 1.1.5 released two weeks ago. improved caching, better performance. Downsides: native-threaded, arguably not a bug but a feature. No native ‘C’ extensions, started with porting popular libraries ported to native Java. No continuations (does anyone use them?) Foreign Function Inteface (FFI) portable across implementations, unlike extensions, most extensions just wrap a library. Started in Rubinius, then joint API discussions, supported in 1.1.4. Example. JRuby 1.8 bigger libraries done. M17N – multinationalizations. Why Java???!!!?!?! Tuned over a decade, generational, super-optimization, native on every platform. native threads, tools, libraries. java is Everwhere, Less political resistance (“JRuby is just another Jar file”), wider database suspport, Java-style deployment, bundle into WAR file, or Glassfish Gem – entire app server in a 4 Mb gem, Ruby-style deployment to GF Application server: gem install glassfish, glassfish . {Lame text” for an example: thread-safe JRuby on Glassfish v2

Mongrel, Matt Pelletier Partner/CTO EastMedia, web-mobile development shop, NYC, funded Mongrel dev for OpenID. Wrote Mongrel book. Zed Shaw, SCGI railsrunner, limited support, webrick slow. Translation (cgi) slow. Full HTTP server, play well with others. Design Goals: Security: Most security holes are due to human oversight, kludgy hand-written parses, gaping holes left in conditionals, HTTP spec does not limit sizes. Resources: site, mailing list, book. Using Mongrel: gem install. Use monit to monitor processes, restart/start new mongresls. How many? Serve static content from web server not mongrel.

Coby Randquist, The many facets of Ruby at, now “AT&T Interactive”
Partner in, founding member of LA Rubyl
Lots of small teams. 3-5 people plus functional manager for “socialization” can be a challenge to get things through the pipleline. Teams: HTML/CSS, development, sys admin, sys architecture, UI – user interaction,

Architecture 8415 LOC, 20 servers per data senter, 16 mongresl per server. almost no active record, All static content via CDN. Service tier: ~10kLOC, 8 servers, 30 mongresl/server, memcached running on each server, ruby wrapper to their FAST search engine, Oracle client for communication with Oracle clusters — user registration and personalization. Future changes: from rails to Merb. New code they are open sourcing:

“waves” – resource-oriented open source framework,
funtors – patterned-based dispatch for Ruby,
kablame – easily summarize who has done how much work on your code base,
crufty – find unused code,
hoshi – a library for creating real first-class htmlxml views, a DSL for creating HTML rather than Yet Another Template language , live-console: a truby gem for providing irb over channels other than stdio
Waves uses bacon as its testing framework
They (R&D) are working on a ton of stuff: bacon for testing, rack handler for jetty, developing branded iPhone apps:
Speak 4 It – directory
Need 2 Pee – geo-location when you gotta go. No, really.
For sale at the iPhone App store. Hope you can pay in a hurry.

Lunch – Consulting table

Nick Plante, Demystifying Ruby Plugins,
Bravo to Nick for posting his slides on his website just before presenting! Nick squeezed a lot of information into the very small half-hour he was given: why write a plugin, what’s involved, how to do it, a case study, tools to use to do it, how to publish it, how to package a plugin as a gem (I didn’t know you could do that!) and where to find the tools to do it! Whew!

Ezra Zygmuntowicz, Four years of Ruby Development
Ezra runs the venerable and respected EngineYard shop and talked about the ten configurations of Rails-serving servers he’s wrestled with over the past four years with the pros and cons of each one. The recommendation du jour, with the caveat that the race is still on, is Mongrel for ruby dynamic content, nGinX for static content, but YMMV. The Ezra talked about using an AMQP service using RabbitMQ to create Nanites, a self-organizing set of Ruby applets. Rack is running over Nanite. Ezra announced “EYAAS” – Engine Yard As A Service, “Clouds are too low level for average humans” – use a dashboard to describe your application, what engines, plugins, gems and underlying OS services it needs. The EYAAS stores a JSON config file that can be used to fill in their set of recipes they use to generate S3 and AWS resources. Now, you no longer log in and make one-time changes to a server that get lost if the server is lost, but rather re-configure the recipe to upgrade components, etc. Very, very cool way to automate deployment.

Matt Jankowski , thoughtbot, Nature Network “Agile in the Enterprise”
Boston-based, 10 devs, coupla business people, distributed: NYC, Philly, etc.
Nature Network, publishers of the famous “Nature” journal
Nature Network, social networking for scientists, somewhat more formal than Facebook
Team: 28 people who worked for at least a month over two years
What is Enterprise? Dictionary Definition. Also, a bunch of meetings, weird spec documents, continuous re-organizations. Bureaucracy and internal politics, people who “just” want a job. Compared the impedence mismatch between the enterprise society and the RAD, cool, XP, scrumming agile Rubyists. Funny. Images hysterical.

Shane Harvie, Refactoring Domains in Ruby and Rails
Inheritance v. Delegation; Is Inheritance an “Is-a” relation
Ruby doesn’t allow you to “unmix” an included module, so if you started with delegration by mixing in a module, you’re stuck if then try to subclass the original object and don’t want the mixed in behavior.
Slide fonts are too small. Bummer. On the bright side, it lets me focus on what the speaker is saying and not get lost in the weeds o fthe code…

Notes from NH Ruby/Rails, 21-Oct-2008: REST, Atom and Plugins

Eight people attended the October meeting of the NH Ruby/Rails group, held as usual at RMC Research in Portsmouth on the third Tuesday of the month.

The meeting started with a general chat session where a range of issues
were covered. Quite a discussion about computer industry trade books was
a notable item. A round of introductions followed, including several new

Brian Turnbull made the first two presentations. REST, the Representational State Transfer mechanism (slides), is based on a PhD dissertation by Roy Fielding, and describes a URI-naming technique that “REST emphasizes scalability of component interactions, generality of interfaces, independent deployment of components, and intermediary components to reduce interaction latency, enforce security, and encapsulate legacy systems.” (from Fielding) Cool stuff, and essential to understand for those developing modern web apps.

Brian also talked about the Atom Publishing Protocol (slides), which describes a scaleable way of managing and distributing documents using RESTful interfaces.

Nick Plante had the next presentation, on Demystifying Ruby Plugins. Nick and Brian had spent the past several weeks putting together the very successful Ruby Rampage — which I hope they’ll post some more about soon – and so were a bit hard-pressed to have fully-baked presentations ready for the SIG, so this presentation was more of an open conversation on “what should we say about building plugins,” a perfectly acceptable topic for a user group meeting, btw, imo. (Nick will be giving the full presentation at next week’s “Voices That Matter” conference in Boston – good luck, Nick!) Nick talked about how plugins differ from gems, the history of “add-ons” in general for Ruby and Rails, and what design considerations went into building a plugin. Then, we ran some basic code to show how a plugin would work. Excellent overview!

Thanks to Scott and Tim for promoting and hosting the meeting, to Nick and Brian for their presentations, and to all for attending and participating.

Ruby/Rails SIG tonight: tripleheader!

Scott Garman posts a reminder message that tonight’s Ruby/Rails SIG meeting will be a special meeting: three presenters on three topics, and some awesome door prizes: Brian Turnbull on HTTP, Scott Garman on VPS, and Nick Plante on git. There will also be discounts for Linode, a raffle for free admission to the Voices that Matter Ruby 2008 conference in Boston, and perhaps Nick will even bring copies of his new book (with David Berube), Practical Rails Plugins. A meeting not to be missed!

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