I’ve just returned from the annual useR! conference for the open source R programming language. This year the conference attracted nearly 500 individuals to the NIST campus outside Washington D.C.

The conference provided a great opportunity to meet with some of the package authors that are working on third-party extensions, including Romain Francois and Dirk Eddelbuettel who jointly gave a pair of well-attended talks on their RProtoBuf and Rcpp packages.

In addition to the 3 days of tutorials, panels, and presentations, Google sponsored a dinner for conference attendees at the National Zoo in Washington D.C. to facilitate the “hallway track” of informal discussions outside of the official conference program.

Thanks to all those presenters, sponsors, and organizers involved in putting together a successful conference. For those who weren’t able to attend, the abstracts and slides from the 168 presentations and a more limited number of videos are available from the technical sessions. Hope to see you next year…

By Murray Stokely, Software Engineering Team

Syndicated via RSS From: http://google-opensource.blogspot.com/

Simon Stewart, pondering

Simon Stewart started off by telling us how to measure things: using tools like Firebug and Speed Tracer to break down client-side latency.

Matt Godbolt gave us some tips for making speedy Android apps, and Tim Cox presented a “Rant at Speed” that covered everything from CPU cache latency to the speed of light, all in five short minutes!

Glyn Wintle gave a quick rundown on common exploits: “How to break into a computer — fast”, covering the top five security mistakes made by web developers. You can try out some of these attacks yourself using the Google Gruyère codelab.

Ade Oshineye gave an impromptu (and not entirely serious) plan for “Making it faster.” Mike Mahemoff talked about speeding up web applications with the new shiny features in HTML5, and chatted briefly about the ever-blurring distinction between web applications and web pages. Paul Downey gave us an overview of TiddlyWiki, and TiddlySpace, where he hosted his presentation.

Squirrel

Squirrel gave a talk about Performance Secrets, which — uniquely for a Squirrel presentation — didn’t involve a flipchart.

Matthew Wild told us about Prosody, an XMPP server written in Lua. Apart from praising Lua as a great language, he also showed us how his continuous build generated annotated performance graphs on each commit to the repository.

George Cox proposed a need for making operational changes at speed — new deployments, and so on, while Luca Colantonio discussed his experiences implementing txty.mobi, a cloud-based web application for sending SMS messages via your own Android phone.

Tom Quick talked about the open source stack he’d used to develop GlastoTag, using Redis as a fast, persistent storage layer, and how using Django had helped to speed up their development process.

Jag

Last but not least, OS Jam favourite Jag gave us an overview of some of the performance decisions he’d made while developing Din.

As always we retired to the pub afterwards to continue our discussions. If you’re around London you’re welcome to join us for the next Jam. Join the mailing list or keep an eye out on the Jam site to find out more.

By Malcolm Rowe, Software Engineering Team

Tags: London OS Jam

Syndicated via RSS From: http://google-opensource.blogspot.com/

There are also notes available from multiple OSCON sessions on Google Wave – check out the full listing if you want to catch up!

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According to Kerry:

Titled “FtOCC CE Technician”, the course provides telephony resellers and IT professionals with in-depth technical training on Fonality’s Open Source trixbox CE, Asterisk-based PBX system.

FtOCC CE Technician is being presented in collaboration with Fonality, a leading open source telephony company and 888VoipStore, the leading source of IP PBX systems and equipment for resellers.

FtOCC CE Technician is a three-day technical certification course designed to train resellers and consultants how to support customers running trixbox CE systems.

Taught by Kerry Garrison, author of the books “trixbox Made Easy” and “trixbox 2.6″ as well as Fonality technical instructors, FtOCC CE Technician includes an in-depth look at platform and application installation, carrier setup and integration, network configuration, echo causes and remedies, and other common issues.

They’re giving away free Yealink SIP-T28P IP phones, which I recently reviewed and gave high marks.

To register, you can go directly here:
http://www.tmcnet.com/voip/conference/west-10/attendees/w10-trixbox-training-technician.htm#register

Tags: asterisk, fonality, kerry garrison, open source, training, trixbox, trixbox ce, voip
Related tags: asterisk based, kerry garrison, trixbox training, trixbox, technician, training

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We held a Google Summer of Code™ Birds of a Feather (BoF) meetup on Thursday night after the conference reception. We talked about Google Summer of Code over ice cream and beer well into the evening. In all we had about 25 attendees, many of whom hadn’t heard of Google Summer of Code before. It was great to tell some people new to the program about it and also to hear from those who have participated about how its changed their lives. A great time was had by all; we even ended up closing the place down that evening.

Don’t miss the next Google Summer of Code BoF at OSCON in just a couple weeks!

By Carol Smith, Open Source Team

Syndicated via RSS From: http://google-opensource.blogspot.com/

Following up on my post from a few weeks ago, I’d like to give you all some more statistics about our Google Summer of Code™ program participants this year.

Syndicated via RSS From: http://google-opensource.blogspot.com/

There is an impressive lineup of Googlers speaking at OSCON this year, with 20 of them presenting talks and even more attending. Click on the session names below for more information on each talk’s time and location.

Robin Anil: Mahout: Mammoth Scale Machine Learning

Dan Bentley: Make Open Easy

Tim Bray: Practical Concurrency

Ben Collins-Sussman: How to Lose Friends and Alienate People: The Joys of Engineering Leadership

Chris DiBona: Google Open Source Update 2010 and Your Work in Open Source, 3 years of Incremental Change

Brian Fitzpatrick: How to Lose Friends and Alienate People: The Joys of Engineering Leadership

Joe Gregorio: Extending Wave with Robots and Gadgets

Sam Johnston: What We Need are Standards in the Cloud

John Koleszar: Introducing WebM: High Quality, Royalty-Free, Open Source Video

Ikai Lan: Introduction to Google App Engine and What is Google App Engine?

Alex Martelli: Practical Python Patterns and Powerful Pythonic Patterns

Mark Miller: E, Caja

Dan Morrill: Android: The Whats and Wherefores

A. Ali Pasha: Challenges of running Google Code – Porn, Malware, Hacks, etc.

Dan Peterson: Extending Wave with Robots and Gadgets

Rob Pike: Go, Public Static Void, and Another Go at Language Design

Mark Pilgrim: HTML5’s Multimedia Future

Mark Smith: Build Your Own Contributors (One Part at a Time)

John Woodell: Ruby and Duby on App Engine

Roni Zeiger: Google Health: Connecting Mobile Patients

If you have a particular interest in Android, in addition to Dan Morrill’s talk there will be an Android Hands-On session at 7 PM on Wednesday. This event promises to be “an intense, technical, and structured event led by Google Android experts.” Advance registration is required for this event, so don’t forget to sign up!

We’ll also be holding a Google Summer of Code™ Birds of a Feather (BoF) session on Wednesday. This BoF is a chance for anyone who has been involved in Google Summer of Code or is interested in learning more to meet face to face and talk about the Google Summer of Code experience. The fun and community bonding starts at 7 PM!

In addition to all the talks and events listed above, the Google Open Source Programs Office will be holding Office Hours on Wednesday, at 2:30 PM. If you’ve ever had a question about open source and Google, this is a great opportunity to meet the team and ask it in person. You’re also welcome to just come by, say hello, and hang out.

Hope to see you at OSCON!

By Ellen Ko, Open Source Team

Syndicated via RSS From: http://google-opensource.blogspot.com/

Two weeks ago, Google’s San Francisco office hosted a Google Summer of Code™ meetup. I joined a group of about a dozen others, including Carol Smith and Cat Allman from Google’s Open Source Programs Office. There were program participants from all over California, including two exchange students and one who came all the way from Guadalajara, Mexico. We didn’t have a huge agenda, we just planned to get together and geek out.

We started the event off just after 3 PM with introductions and some background info on the 2010 projects. There were two 2008 Google Summer of Code alums in attendance: João Antunes, who worked on a file transfer protocol for SIP Communicator and myself (John Britton), who worked on a localization server for Gallery.

João and I shared our advice on succeeding in Google Summer of Code. We each gave short demonstrations of our projects and some background to put them in context. We also fielded tough questions on how to make sure to set reasonable expectations for mentors and deliver on promised goals.

After talking about the program, I took the floor to talk a bit about projects that I’ve been working on recently. I started by giving an interactive demo of Twilio and explaining how my experience duiring Google Summer of Code was instrumental in getting a job there. The program was especially good for preparing me to work on building the community around our first open source project, OpenVBX. After I finished up talking about community building, I shared an update on Mozilla’s Drumbeat initiative which naturally segued into a discussion on P2PU and the School of Webcraft.

The team from Scripped followed me by giving some advice on the importance of communication in software projects and on managing expectations. Last but not least, we got an official tour of the Google San Francisco office. Tour highlights included a pit stop in the micro-kitchen, a chance to ride the Google slide, and a giant Android phone.

We rounded out the day with a trip to a pub on the waterfront overlooking the Bay Bridge. Overall, it was a pretty sweet day.

Check out the Google Summer of Code Flickr Group Pool for more photos.

By John Britton, 2008 Google Summer of Code Alum

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$ google picasa create --title "My album" ~/Photos/vacation/*.jpg

So we wrote a program to do that, and a whole lot more.

GoogleCL is a command-line utility that provides access to various Google services. It streamlines tasks such as posting to a Blogger blog, adding events to Calendar, or editing documents on Google Docs.

For example:

$ google blogger post --blog "My blog" --tags "python, googlecl, development" my_post.html
$ google calendar add "Lunch with Jason tomorrow at noon"
$ google docs edit --title "Shopping list" --editor vim

GoogleCL is a pure Python application that uses the Python gdata libraries to make Google Data API calls from the command line.

Read more at the GoogleCL project page, or jump right to the examples. Along with a standard tarball, we have a .deb package ready for download, and hope to have it included in Debian and Ubuntu repositories in time for their next releases. We’re adding features all the time, so check in frequently. Or better yet, contribute.

GoogleCL brings cloud computing to your fingertips, literally!

By Jason Holt, Street View Team and Tom Miller, former Street View Intern

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