django: Web Development for Perfectionists with Deadlines
Google engEDU
1 hr 14 min – 26-Apr-06

Google TechTalks
April 26, 2006

Jacob Kaplan-Moss

ABSTRACT
Django is one of the premier web frameworks for Python, and is often compared to Ruby-on-Rails. Jacob is one of the lead developers on Django.
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Rapid Development with Python, Django, and Google App Engine Guido van Rossum (Google) Learn how to create great web applications quickly on Google App Engine using the Django web framework and the Python language. Google App Engine lets you host complete, scalable web applications written in Python with minimal fuss. This tutorial assumes basic familiarity with Python but definitely no advanced Python knowlege; Django experience is optional. You will learn how to use the Django web framework with the datastore API provided by Google App Engine, and how to get the most mileage out of the combination. You will also see how to use Django best practices like unit testing when developing for Google App Engine.

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Providing the complexity of web applications that can be developed with Django and Google App Engine, the need for Desktops remains present but we can question the need for virtual solutions in common applications such as Virtual Bridges.

Comments are open!

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Salesforce.com AppExchange Overview and Q&A
Google engEDU
1 hr 3 min – Aug 15, 2007

Google Tech Talks
August 18, 2007

ABSTRACT

Wondering why developers are talking about Salesforce.com and Appexchange?

What’s the big deal? Software for sales teams? Big whoop?

Salesforce.com has pioneered a business application development and delivery model and they have proven it to the tune of thousands of business customers of all sizes who swear by them.

And why do developers care?

Because Salesforce has opened up their infrastructure for developers to leverage in building their own applications. Bang! Instant scalability and reliability!

Wow! So developers save thousands by not having to build their own data center?

Ah, but there’s more! Salesforce has created a revolutionary platform for developers to market, sell, and distribute their applications!

All On-Demand, no infrastructure required!

Now that is a big deal!

Come hear the Salesforce developer relations team talk about how it all works…

Their pioneering distribution platform: the Appexchange Their On-Demand developer platform: Apex Their developer network: Apexdeveloper network
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Ruby Sig: How To Design A Domain Specific Language
Google engEDU
1 hr 3 min – Oct 5, 2006

Google Tech Talks
October 5, 2006

David Pollak has been developing commercial software for 28 years. He founded Athena Design and wrote Mesa, the first real-time spreadsheet. David wrote Integer, the first online, collaborative spreadsheet. Since 2000, David has been developing domain specific languages for security and general web development.

ABSTRACT
David will describe a framework for developing DSLs which includes:

* Identifying the constituents in a development project;
* Determining the costs and benefits of a DSL for a particular constituency vs. hand-coding functionality for that constituency based on interviews and specs;
* Identifying the ‘thought leader’ in a given constituency and interviewing him or her to determine the semantics of the domain;
* Determining syntax of the DSL;
* Mocking up the DSL and ‘test driving’ it with the thought leader;
* Finding appropriate integration points for the DSL into the application;
* Defining the process by with the Domain Experts will update code in the DSL (e.g., they have a web page where they can change tax calculation rules vs. they make a change to particular Ruby files as part of a development/staging/production cycle.); and
* Iterate over the semantics, syntax, and process to fully integrate Domain Experts into the development process.
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Thinking Beyond Borders
Google engEDU
33 min – Sep 27, 2007

Google Tech Talks
September 27, 2007

ABSTRACT

Our global society faces great challenges such as Global Warming, HIV/AIDS in sub-Saharan Africa, wide-spread hunger, and poverty. To effectively address these issues in years to come, we must re-envision how we prepare our next great leaders to be conscious agents of change. Thinking Beyond Borders is a 35-week program to educate Gap Year students about the economic, political, and cultural realities of our world while empowering them with the tools to create proactive social change. Through varied service learning opportunities, the itinerary immerses students in cultures and communities around the world to provide experiences with various issues of International Development. The curriculum challenges students to synthesize academic research and their collected observations into powerful conclusions about the nature of globalization, world hunger, human rights, cultural change, and political systems. The most unique aspect of this program is that students return to the US to meet with international policy makers and share their conclusions with student and philanthropy groups to raise awareness and funds for the NGOs they worked with abroad. In these ways, Thinking Beyond Borders seeks to create a community of conscious agents of proactive change, equipped to tackle our world’s greatest challenges.
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Stanford Experts on Climate Change and Carbon Trading
Google engEDU
1 hr 42 min – Jan 27, 2006

Google TechTalks
January 27, 2006

Thomas C. Heller and Stephen H. Schneider

Abstract
Please join two distinguished Stanford Professors, Dr. Stephen Schneider and Professor Thomas Heller, for a discussion on climate change and the emerging carbon trading markets. Dr. Schneider is one of the world’s leading scientific experts of climate change (his name is cited on all those climate change charts and graphs we’ve seen so far). Dr. Heller has extensive experience with policy and negotiations surrounding climate change and sustainable development. Professor Heller also recently served as Sergey’s host at the recent UN Climate Change Conference meeting in Montreal where Prof. Heller proved his indepth knowledge of thenuances of legislative works, such as the Kyoto Protocol, and the mechanisms that are currently being employed.

This tech talk will be different than our previous climate change talks. These men have helped steered the international course of policy, scientific verifications and the overall consensus on the existence of climate change. They both have plenty to say about what the failures and successes have been along the way, and what their predictions for the future of climate change policy will be. Email me if you have any questions.
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Hey, What’s That? A Map Hack
Google engEDU
51 min – May 8, 2007

Google Tech Talks
May 8, 2007

ABSTRACT

Designed to answer the question "What am I looking at?" when standing on a hilltop or pulled over at a scenic overlook, HeyWhatsThat.com has garnered reviews like "Just when I thought I was in danger of becoming a jaded customer of the mass mapping space, here’s a site that effortlessly returns me to a state of slack-jawed wonder" (OgleEarth). In addition to peak detection and identification, it offers viewshed computations, elevation contours, elevation profiles, and integration with Google Maps and Google Earth. This talk — given by Michael Kosowsky, designer and proprieter of HeyWhatsThat.com — will focus on what it is and how it got to be that way.

http://www.heywhatsthat.com/

http://www.heywhatsthat.com/faq.html

Speaker: Michael Kosowsky

Michael Kosowsky has more than 25 years of experience in software development, on platforms ranging from embedded microprocessors to supercomputers. Currently sole proprietor of the HeyWhatsThat.com web site, previous roles include founder and CTO of Great Point Design, where he developed its desktop photo application and web service; founder and CTO of Momentum, Inc., where he led the development and patenting of a portable client-server communications technology; and software engineer for The Jackson Laboratory and DNA Sciences, where he implemented systems for visualizing and sharing genomic data.
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How can we better understand customers?
Google engEDU
50 min – Jul 18, 2006

Google TechTalks
July 18, 2006

Ely Dahan

At MIT’s Sloan School of Business, Ely Dahan taught high tech marketing and new product development. He now develops new models and methods for developing products at UCLA’s Anderson School of Business. Dahan has developed internet-based market research methods, mathematical models of parallel and sequential prototyping, the economics of cost reduction, and strategies for mass customization. Prior to entering academia, he was national product manager for W.R. Grace and NEC until 1984, when he founded a computer networking company in Maryland, serving as CEO until the firm was acquired in 1993. He is the recipient, along with his coauthors, of the INFORMS John D.C. Little Award, the American Marketing Association EXPLOR Award, the INFORMS Frank M. Bass Outstanding Dissertation Award (based on Olivier Toubia’s PhD thesis), and the Journal of Product Innovation Managment Hustad Award. Dahan earned his PhD in the Operations & IT program at Stanford Business School, where he was a Department of Energy Fellow, an AACSB Doctoral Fellow, and a recipient of the Jaedicke Prize for scholarly achievement. He attended Princeton University, then received a Bachelor’s degree in Civil Engineering from MIT in 1978 and an MBA from Harvard in 1980.
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Using Static Analysis For Software Defect Detection
Google engEDU
1 hr 3 min – Jul 6, 2006

Google TechTalks
July 6, 2006

William Pugh

ABSTRACT
I’ll talk about some of my experience in using and expanding static analysis tools for defect detection. The FindBugs tool developed at the Univ. of Maryland is now being widely used, including inside Google.

I’ll give an overview of FindBugs, show some of the kinds of errors we routinely find in production code, discuss the methodology we use for enhancing and expanding FindBugs and some of the recent additions to it, discuss ways of incorporating FindBugs into your development process (such as being able to get a report of all the warnings introduced since the last release of your software), and talk about the future of static analysis, including things such as a new Java JSR to provide standard annotations for things such as @NonNull and @Tainted.
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Away with Applications: The Death of the Desktop
Google engEDU
1 hr 27 min – May 4, 2007

Google Tech Talks
May 4, 2007

ABSTRACT

The computer desktop metaphor is ubiquitous, but how much work do we get done there? None! Time is entirely wasted navigating or shuffling content to the application in which we can finally work. What lessons can we learn from designing interfaces without the desktop and without applications? Is it even possible? And how does this apply to the Web? Currently, Web applications are often more usable than their desktop-based counterparts because each one does one thing and does it well. Desktop applications used to be the same way, but over time — as applications grew to support the the users in the long tail — each became a complex portmanteau of all possible features. If we are not careful, our Web apps will suffer the same conglomerated fate. Mashups and services help to solve the problem on the development end by freeing functionality from any particular application. But, there is currently no way to offer that wealth of possible functionality to users in a scalable way. Would it be nice to embed a dynamic map into your Gmail message? Sure. A Flickr slideshow? Sure. But for Google to offer those in addition to the hundreds of other possible options, would clutter the interface beyond usability. What’s needed is a universal method of accessing functionality: a way of harnessing the power of services without the need for application developers to explicitly support them. I’ll be demonstrating such a method.

The talk demonstrates that a ZUI plus a universal method of accessing functionality spells the death of the application-centric computing model and the desktop-design paradigms.
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From Sound Synthesis to Sound Retrieval and Back
Google engEDU
55 min – Jul 10, 2007

Google Tech Talks
July 10, 2007

ABSTRACT

In this talk I will go over the technological and conceptual ties that exist between some of the current trends in sound generation for music and multimedia applications and the techniques for content based sound retrieval. This is because quite a number of the techniques being worked on for sound retrieval come from the field of sound synthesis and at the same time the new developments in retrieval are being applied and are inspiring new directions in the development of sound generation systems. To explain all this I will use examples from the research carried out in the Music Technology Group at the Pompeu Fabra University of Barcelona, Spain. In particular I will go over our research on spectral based concatenative synthesis and our work on sound and music retrieval. Also I will link it with the online community that we have developed for sharing sound files, Freesound http://freesound.iua.upf.edu, showing the potential that this open and shared resource has for the research on sound retrieval and for experimenting with new sound generation systems.

Speaker: Xavier Serra
Director of the Music Technology Group (http://mtg.upf.edu)
Pompeu Fabra University, Barcelona
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New generation of math software from Maplesoft
Google engEDU
52 min – Sep 11, 2007

Google Tech Talks
September 11, 2007

ABSTRACT

The name Maple is synonymous with doing complex math on computers. Best known for its symbolic or algebraic computation abilities, Maple is one of the most important tools for the modern applied mathematician and scientist. Many of you are likely familiar with Maple from college but you’ve probably not kept up to date with latest developments. This presentation will present some of the latest product developments from Maplesoft. Topics include

- developments in high performance numerical computation
- recent advances in symbolic computing
- new Maple libraries including graph theory, statistics, optimization, polynomial operations, and more
- parallel and grid computing
- knowledge capture for mathematical documents
- the Maple programming language and application development
- overview of new add-on products including global optimization, and modeling and simulation

The presenter will be Mohamed Bendame, a senior engineer from Maplesoft. The presentations will include an open Q&A session.
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Using Fit: An Open-Source Testing Framework
Google engEDU
54 min – Feb 9, 2006

Google TechTalks
February 9, 2006

Rick Mugridge

Rick Mugridge is the lead author of the first book on storytests: "Fit for Developing Software". He has developed and is evolving FitLibrary to better support storytest driven development. He is a leading thinker and inventor in this area, and consults and coaches internationally in storytesting, executable specifications, and agile software development.

ABSTRACT
We raise four software development issues and show how Fit can be used to address them. The issues are as follows: (1) How can we improve test coverage on a legacy system without discouraging its evolution? (2) Now that we have a successful product with a great UI, how do we provide program access, such as through SOAP? (3) How can QA be involved earlier and more effectively? (4) How can product managers better utilise their expertise?

Each of these issues can be addressed with Fit storytests. Storytests satisfy the demands of both requirements and quality assurance, in an amalgam that initially looks weird and counter-intuitive. Storytests are concrete examples that express important things about the business domain and about the system. They are matched and generalised in the code, using the same "ubiquitous language". Week by week, as thinking and understanding grow and change, the storytests grow and change. And so the code evolves.
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Return to the RNAi World: Rethinking Gene Expression and Evolution
Google engEDU
1 hr 9 min – Apr 9, 2007

Google Tech Talks
April 9, 2007

ABSTRACT

While investigating the genetic workings of the microscopic worm, C. elegans, Mello and colleague Andrew Fire, PhD, of the Carnegie Institution of Washington, discovered RNAi, a natural but previously unrecognized process by which a certain form of RNA can be manipulated to silence—or interfere with—the expression of a selected gene. The discovery, published in the journal Nature in 1998, has had two extraordinary impacts on biological science. One is as a research tool: RNAi is now the state-of-the-art method by which scientists can knock out the expression of specific genes in cells, to thus define the biological functions of those genes. But just as important has been the finding that RNA interference is a normal process of genetic regulation that takes place during development. Thus, RNAi has provided not only a powerful research tool for experimentally knocking out the expression of specific genes, but has opened a completely new and totally unanticipated window on developmental gene regulation. RNAi is now showing promising in the clinic as a new class of gene-specific therapeutics.

The speaker, Craig Mello, was awarded the Nobel Prize in Physiology or Medicine in 2006.
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High End Computing and Scientific Visualization at NASA
Google engEDU
1 hr 2 min – Jan 25, 2006

Google TechTalks
January 25, 2006

Dr. Rupak Biswas and Dr. Chris Henze

Dr. Rupak Biswas is currently the Acting Chief of the NASA Advanced Supercomputing (NAS) Division at NASA Ames Research Center. Dr. Biswas received his Ph.D. in Computer Science from Rensselaer Polytechnic Institute in 1991 and has been at NASA ever since.

Chris Henze is the lead of the Visualization Group in the NASA Advanced Supercomputing (NAS) Division at Ames Research Center, in which capacity he supervises research and development activities in data analysis and visualization. Dr. Henze received his Ph.D. in computational biology from the University of Arizona in 1993.
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Six Months in the Space Station

1 hr 6 min – Aug 30, 2007

Google Tech Talks
August 30, 2007

ABSTRACT

A special space station tour for Googlers by NASA astronaut Daniel W. Bursch detailing his more than six months long stay on the International Space Station. In addition of Illustrating the stay with many unpublished pictures of both the station and Earth, Dan will take us through the nooks and crannies of living and working in weightlessness. He will also talk about the psychological challenges of living with two other people in the same "can", a theme that will no doubt affect profoundly any human mission to Mars. Carl Walz and Dan Bursch set the US record for the longest single spaceflight in 2002, when they flew for 196 days, this record was just broken this year by US astronaut Michael Lopez-Alegria.

Speaker: DANIEL W. BURSCH (CAPTAIN, USN, Ret.)NASA ASTRONAUT (FORMER)
NASA EXPERIENCE: Selected by NASA in January 1990, Bursch became an astronaut in July 1991. His technical assignments to date include: Astronaut Office Operations Development Branch, working on controls and displays for the Space Shuttle and Space Station; Chief of Astronaut Appearances; spacecraft communicator (CAPCOM) in mission control. A veteran of four space flights, Bursch has logged over 227 days in space. He was a mission specialist on STS-51 (1993), STS-68 (1994) and STS-77 (1996), and served as flight engineer on the International Space Sta…
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Beyond Test Driven Development: Behaviour Driven Development
Google engEDU
48 min – Mar 17, 2006

Google TechTalks
March 17, 2006

Dave Astels

Dave Astels (co-author of "A Practical Guide to eXtreme Programming" and author of Jolt Award winning "Test-driven Development: A Practical Guide") has over 2 decades of experience in the software field, most of that involved with object-oriented technologies and techniques. Dave has been studying, practicing, teaching, evangelising, and coaching XP and Agile Processes since 1998. Dave’s experience ranges from embedded process control systems to consumer products (both consumer electronics and shrinkwrapped software) to energy trading systems. Dave is an independant software consultant specializing in the areas of agile process, programming practices, and object design/architecture. Dave is one of the thought leaders in the area of TDD, and now BDD.

ABSTRACT
Test Driven Development (TDD) has become quite well known. Many developers are getting benefit from the practice. But it is possible that we can get even more value. A new practice is getting attention these days: Behaviour Driven Development (BDD).

BDD removes all vestiges of testing and instead focuses on specifying the behaviour desired in the system being built. This talk will be focus on Ruby and will introduce a new BDD framework: rSpec. The ideas, however, are language independent.
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High Radix Interconnection Networks
Google engEDU
1 hr 5 min – Oct 5, 2006

Google Tech Talks
October 5, 2006

William J. Dally

Bill Dally is the Willard R. and Inez Kerr Bell Professor of Engineering and the Chairman of the Department of Computer Science at Stanford University. Bill and his group have developed system architecture, network architecture, signaling, routing, and synchronization technology that can be found in most large parallel computers today.

ABSTRACT
High-radix interconnection networks offer significantly better cost/performance and lower latency than conventional (low-radix) topologies. Increasing radix is motivated by the exponential increase in router pin bandwidth over time. Increasing the radix or degree of a router node is a more efficient way to exploit this increasing bandwidth than making channels wider. A high-radix poses several challenges in router design because the internal structures of conventional routers (e.g., the allocators) scale quadratically with radix. A hierarchical switch organization with internal buffering yields a scalable design with near-optimal performance. A high-radix "flattened butterfly" topology, enabled by recent developments in global adaptive routing, offers twice the performance as a comparable-cost Clos network on balanced traffic. Many of these developments have been incorporated in the YARC router and interconnection network for the Cray Black Widow Supercomputer.
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Some Python Integrated Development Environments
Google engEDU
1 hr 17 min – Jul 13, 2006

Google TechTalks
July 13, 2006

Bay Area Python Interest Group

http://baypiggies.net/

Topic: Emacs
Presenter: Marylin Davis

Marilyn Davis is the Python Instructor at UCSC-Extension. She is the lead developer at Maildance.com and Deliberate.com.

Topic: Vim
Presenter: Keith Dart

Keith Dart works in QA automation and is the primary developer of the PyNMS network application framework.

Topic: Xcode
Presenter: Mark Ivey

Mark Ivey is a senior engineer at R2 Technology. Although his job doesn’t involve a lot of Python, it is his preferred evenings and weekends language.

Topic: Wing IDE
Presenter: Mike Cheponis

Mike Cheponis is President of California Wireless, Inc., a Silicon Valley consulting firm that specializes in Wireless Communications Systems, designing RF, Analog, Digital, and software subsystems and products. He writes code in assembly languages, Lisp, and Python.
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When is a Googol Not Enough?
Google engEDU
55 min – May 24, 2006

Google TechTalks
May 24, 2006

Washington Taylor

ABSTRACT
Recent developments in string theory, combined with the experimental observation that the rate of expansion of the universe is increasing, have led theoretical physicists to a radical (and controversial) new picture of the universe. In this new picture, the universe is enormously larger than our parochial observable region of radius 13.7 light years.

In other patches of the universe, the laws of physics may be quite different, though in each patch the local physics is governed by a metastable solution of string theory. Since there may be something like $10^{1000}$ or more distinct solutions of string theory giving physics roughly like that we observe, to make physical predictions we need to classify enormous numbers of possible solutions.

In this talk this new theoretical picture of cosmology will be described, and related computational problems will be discussed.
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An Inside Look At Google China
Google engEDU
54 min – Jan 17, 2007

Google Tech Talks
January 17, 2007

ABSTRACT

Kai-Fu Lee, Greater China President, visited the Seattle area Google office on January, 17, 2007 to talk about the current development of our offices in China. He spoke about the challenges and opportunities facing Google China as well as collaboration between the Seattle/Kirkland and China offices.
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You Are What You Say: Privacy Risks of Public Mentions
Google engEDU
27 min – Aug 3, 2006

Google TechTalks
August 3, 2006

Dan Frankowski is both computer science researcher and practitioner in software and algorithms development. He got his master’s degree in computer science from the University of Minnesota in 1993, then spent a year in Budapest on a Fulbright grant studying mathematics. From 1997 to 2003 he was an algorithms guy at Net Perceptions. From 2003 to the present, he has been a research fellow with the GroupLens research group at the Unviersity of Minnesota, which is most well-known for recommenders, but now studies online community more broadly.

ABSTRACT
In today’s data-rich networked world, people express many aspects of their lives online. It is common to segregate different aspects in different places: you might write opinionated rants about movies in your blog under a pseudonym while participating in a forum or web site for scholarly discussion of medical ethics under your real name. However, it may be possible to link these separate identities, because the movies, journal articles, or authors you mention are from a sparse relation space whose properties (e.g., many items related to by only a few users) allow re- identification. This talk examines this general problem in a specific setting: re- identification of users from a public web movie forum in a private movie ratings dataset.
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Implementing Drupal
Google engEDU
51 min – Oct 8, 2007

Google Tech Talks
October, 8 2007

ABSTRACT

Geoff Butterfield, Senior Technical Producer at The George Lucas Educational Foundation, and Angie Byron of Lullabot will talk aboout Drupal development and implementation.

Speaker: Geoff Butterfield
Speaker: Angie Byron
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An Introduction to SQLite
Google engEDU
51 min – May 31, 2006

Google TechTalks
May 31, 2006

Richard Hipp

ABSTRACT
SQLite is a small C library that implements a self-contained, embeddable, zero-configuration SQL database engine. SQLite implements a large subset of SQL-92 and stores a complete database in a single disk file. The library footprint is less than 250 KB making is suitable for use in embedded devices and applications where memory space is scarce.

This talk provides a quick overview of SQLite, its history, its strengths and weaknesses, and describes situations where it is much more useful than a traditional client/server database. The talk concludes with a discussion of the lessons learned from the development of SQLite and how those lessons can be applied to other projects.
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Creating Tools for AJAX Development
Google engEDU
1 hr – May 3, 2006

Google TechTalks
May 3, 2006

Javier Pedemonte, IBM
Adam Peller, IBM

ABSTRACT
Tools for building HTML/Javascript and so-called AJAX-style applications are sparse. Mozilla has traditionally had the best tools in Venkman and its DOM Inspector, but recently development has been stagnant and these tools do not offer integration with active code development.

Newer tools like Firebug offer more clever tools to inspect pages but still have no role in the rest of the development cycle.

The Eclipse AJAX Toolkit Framework brings these types of tools into the Eclipse IDE — making use of the Java XPCOM to Java bridge and leveraging the robust features of Eclipse, while leaving the environment pluggable for more enhancements. The current work will be demonstrated and the architecture will be discussed, with particular attention to the JavaScript debugger and embedding of xulrunner.
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Git
Google engEDU
1 hr – Oct 12, 2007

Google Tech Talks
October, 12 2007

ABSTRACT

When you have hundreds of people simultaneously patching 25000 files of the Linux Kernel in sometimes conflicting ways, you might need some scheme or plan to sort all that out before you can build your next kernel and reboot. The Linux team uses "git" for their source code repository management, a homegrown solution that is optimized for highly distributed development, working with huge sets of files, merging independent work at multiple levels, and seeing who broke what. (Git has also since been notably adopted by the Cairo, x.org, and Wine teams, and is being transitioned to by the Mozilla codebase.)

In my talk, I describe what "git"; is and isn’t, and why you should use it instead of CVS, Subversion, SVK, Arch, Darcs, Mercurial, Monotone, Bazaar, and just about every other repository manager. I’ll also walk though the basic concepts so that the manpages might start making sense. If I have time, I’ll even do a live walkthrough, where you can watch how fast I make typos.

Speaker: Randal Schwartz
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Evaluating MapReduce for Multi-core and Multiprocessor Systems
Google engEDU
45 min – Feb 27, 2007

Google Video tech Talks
February 27, 2007

ABSTRACT

This paper evaluates the suitability of the MapReduce model for multi-core and multi-processor systems. MapReduce was created by Google for application development on data-centers with thousands of servers. It allows programmers to write functional-style code that is automatically parallelized and scheduled in a distributed system.

We describe Phoenix, an implementation of MapReduce for shared-memory systems that includes a programming API and an efficient runtime system. The Phoenix runtime automatically manages thread creation, dynamic task scheduling, data partitioning, and fault tolerance across processor nodes. We study Phoenix with multi-core and symmetric multiprocessor systems and evaluate its performance potential and error recovery features. We also compare MapReduce code to code written in lower-level APIs such as P-threads. Overall, we establish that, given a careful implementation, MapReduce is a promising model for scalable performance on shared-memory systems with simple parallel code.
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Scaling Laws In Biology And Other Complex Systems
Google engEDU
55 min – Aug 1, 2007

Google Tech talks
August 1, 2007

ABSTRACT

Life is very likely the most complex phenomenon in the Universe manifesting an extraordinary diversity of form and function over an enormous range. Yet, many of its most fundamental and complex attributes scale with size in a surprisingly simple fashion. For example, metabolic rate (the power required to sustain the system) scales as approximately the 3/4-power of mass over 27 orders of magnitude from molecular levels up to the largest multicellular organisms. Similarly, time-scales, such as lifespans and growth-rates, increase with exponents which are typically simple powers of 1/4. It will be shown how these universal quarter-power scaling laws follow from fundamental generic principles embedded in the dynamics and geometry of underlying networks, leading to a general quantitative theory that captures essential features of many diverse biological systems. Examples will include animal and plant vascular systems, growth, cancer, aging and mortality, sleep, DNA nucleotide substitution rates. These ideas will be extended to discuss social organisations such as cities and firms: to what extent, if at all, can we think of these as very large organisms and therefore as an extension of biology? Analogues to metabolic rate and behavioral times in cities scale counter to their behaviour in biology. Driven by innovation and the creation of wealth this has dramatic implications for their growth, development, sustainability and pace of life which, left unchecked, potentially sow the seeds for their collapse.
Geoffrey West is a theoretical physicist whose primary interests have been in fundamental questions in physics, especially those concerning the elementary particles, their interactions and cosmological implications. Prior to joining the Santa Fe Institute as a Distinguished Professor in 2003, he was the leader, and founder, of the high energy physics group at Los Alamos National Laboratory, where he is one of only approximately ten Senior Fellows.
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One Laptop Per Child
Google EngEDU
1 hr 1 min – Apr 12, 2007

Google Tech Talks
April 12, 2007

ABSTRACT

The mission of the One Laptop per Child (OLPC) movement is to ensure that every school-aged child in the lesser-developed parts of the world is able to engage effectively with their own personal laptop, networked to the world, so that they, their families and their communities can openly learn and learn about learning.

The OLPC Association focuses on designing, manufacturing and distributing XO laptops to children in lesser developed countries, initially concentrating on those governments that have made commitments for the funding and program support required to ensure that all of their children own and can effectively use a laptop.

Initially the OLPC Foundation is focusing on the grassroots, "bottoms up" aspects of the OLPC mission. It provides grants and loans for the development and use of open educational resources and grassroots learning innovations that enhance the effectiveness of the XO in lesser developed communities around the world for children, their families and communities.
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Seattle Conference on Scalability: YouTube Scalability
Google engEDU
53 min – Jun 23, 2007

Google Tech Talks
June 23, 2007

ABSTRACT

This talk will discuss some of the scalability challenges that have
arisen during YouTube’s short but extraordinary history. YouTube
has grown incredibly rapidly despite having had only a handful of
people responsible for scaling the site. Topics of discussion will
include hardware scalability, software scalability, and database
scalability.

Speaker: Cuong Do
Cuong is currently an engineering manager at YouTube/Google.
He was part of the engineering team that scaled the YouTube
software and hardware infrastructure from its infancy to its current
scale. Prior to YouTube/Google, he held various software
development and management positions at PayPal and Inktomi.
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