Google Developers Blog: December 2012
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By Phoebe Peronto, Developer Marketing you have done this year: developers and other friends in the Google Developer community. From a Gangnam style-inspired app , to growing the GDG community beyond 330 active chapters, let’s just say that 2012 has been nothing short of amazing.You have... Google I/O 2012 reach more than 13,000 developers by hosting over 50 I/O Extended events all over the world . Looking forward to Google I/O 2013 !DevFest season , with 75 DevFests conducted in only 3 short months. During the season, these events reached over 14,000 developers in 39 countries worldwide. 335 active and incubating chapters in over 90 countries.Google+ Hangouts on Google Developers Live to learn more about how to make cool apps with Google tools and technologies.VIDEO made countless great apps at DevFest hackathons.Here’s to a great year , and many more to come!Want to learn more? Find your nearest GDG chapter to get involved in local events, and connect with Google developers 24/7/365 on Google Developers Live and +Google Developers . Phoebe Peronto is on the Google Developer Product Marketing team. Her mission is to make developer magic by sharing Google tools, technologies, and programs with the community to make super cool apps. She's also a foodie, globetrotter, and avid runner. Posted by Scott Knaster , Editor
By Scott Knaster, Google Developers Blog Editor This post is abridged and cross-posted from the YouTube API Blog . YouTube Android Player API .pre-announced at Google I/O 2012, offers these benefits:experimental , although we do not expect major interface changes going forward.The only limit now is your imagination (and ToS ) instructions explain how to include the API client library in your Android application. The library is supported on Android devices running version 4.2.16 or newer of the Android YouTube app. By including the library in your project, you can create rich video playback experiences through the ability to control and customize the video player. Flipboard , shown below, is a good example. See the full post for more cool app examples.
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Learn more post on The YouTube API Blog . The post features several companies already using the API and contains useful links to source code examples and documentation. Alternatively, get started by watching some of the videos from our YouTube Android Player API playlist . VIDEO Scott Knaster is the Editor of Google Developers Blog. His programming books have been translated into several languages, including Japanese and Pascal.
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By Joshua Marantz, Jan-Willem Maessen, and Bharath Bhushan, PageSpeed Team exploit browser caching by signing URLs with the resource content hash. This improves the user experience coming back to the same site, and navigating within a site.canonicalize_javascript_libraries and insert_dns_prefetch . For additional speedups, converting jpegs to progressive format has been added to the Core Filter Set, and the scope of optimization has been extended to include resources served by external servers, even if they are not running mod_pagespeed.Your web page loads faster when JQuery is preloaded in users' browser canonicalize_javascript_libraries filter in mod_pagespeed finds such libraries on your site and replaces them with links to the equivalent libraries on ajax.googleapis.com . With the optimization, a browser will notice that your site is requesting the library from the same shared library provider as a previous site it visited, and will use the copy in its cache. canonicalize_javascript_libraries lets you replace these with hosted versions without having to touch third-party code. It also lets you use local, un-minified JavaScript source code for these libraries while you are debugging your site, and then transition automatically to using minified hosted code when you deploy. The filter spots external libraries using a hash signature; we’ve added a new configuration file, pagespeed_libraries.conf, that stores these signatures, so that you can upgrade the signature configuration without disrupting the rest of your apache installation.Resolving DNS entries early for critical assets saves hundreds of milliseconds insert_dns_prefetch filter inserts <link rel="dns-prefetch"> tags to allow the browser to pre-resolve DNS for resources on the page. The waterfall below shows the improvement after inserting the hints.<link rel="dns-prefetch"> is supported on Chrome , Firefox and Internet Explorer .Improved performance by optimizing external resources and progressive JPEG proxy and optimize resources from trusted domains . This feature enables you to optimize resources even from servers that don't run mod_pagespeed. Beyond compressing and cache-extending such resources, this can improve performance of sites running SPDY where the best practices for performance are to serve all resources from the same domain (see mod_spdy ).convert_jpeg_to_progressive is now a ‘core’ filter. Large JPEG images are now transcoded to progressive. This both improves the browser experience and makes such files smaller.release notes and mod_pagespeed download page.Joshua Marantz runs Google’s PageSpeed team in Cambridge, MA, which is dedicated to making the web faster for everyone. Josh has been working on making software run fast for several decades, at Google and before that on accelerated chip simulation. Posted by Scott Knaster , Editor
By Mark Davis, International Software Architect International Components for Unicode (ICU) or Windows APIs.compare strings correctly: choosing whether or not to ignore accents, case differences, etc.format numbers correctly: choosing decimal places, currencies, whether to use thousands-separator, etc.format dates and times correctly: choosing decimal places, numeric vs named months, etc.match locales: comparing the user’s desired locales (say Arabic and French) against the supported locales (say French, German, and English), to get the best match.BCP47 (for identifying languages and locales) and LDML (part of the Unicode Common Locale Data Repository (CLDR) project ). For the gory details of the spec, see ECMA-402: ECMAScript Internationalization API Specification (just approved by the Ecma General Assembly). Mark Davis is president and cofounder of the Unicode consortium, and founder of ICU and CLDR. Mark is fond of food, film, travel, and RPGs. Mark lived for 4 years in Switzerland, and is moving back in February.Posted by Scott Knaster , Editor
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By Raul Furnică, Tech Lead; Vladimir Vuskovic, Product Manager; and Pepijn Crouzen, Software Engineer, YouTube API Team This post is abridged and cross-posted from the YouTube API Blog . launch in 2007, the YouTube Data API has become one of Google’s most popular APIs by request volume, thanks to the awesome apps from developers like you. To help you make better integrated video experiences, you can now use the YouTube API version 3.0 . The new API is easy to use thanks to rich client library support, improved tooling, reference documentation and integration with Google’s common API infrastructure. Version 3.0 only returns what you ask for and uses JSON rather than XML encoding for greater efficiency. The API introduces new core functionality including Freebase integration via topics, and universal search. If you develop social media management apps, you’ll love channel bulletin post and full subscriber list management, also new in this release. Version 3.0 of the API constitutes the API's biggest overhaul to date and we’re eager for you to try it today ! New functionality: Topics, universal search, and audience engagement support Freebase , you can find exactly what you’re looking for by specifying Freebase topic IDs rather than search keywords. /m/02vx4 is probably the topic ID you're after. The API's universal search feature lets you retrieve channels, playlists and videos matching the topic with just one request like this one . Find out more in our Topics API Guide. channel subscribers using bulletin posts . Learn more post on The YouTube API Blog . The post covers efficiency improvements, features several companies already using version 3.0 and contains useful links to source code examples and documentation. Alternatively, feel free to get started by watching some of the videos from our YouTube API version 3 playlist . VIDEO Raul Furnică is the YouTube API Tech Lead, based in Zürich. He is a believer that API interfaces should be optimized for ease of use, not server implementation. Posted by Scott Knaster , Editor
By Phoebe Peronto, Developer Marketing GDL Presents: Women Techmakers , we kicked off the series kicked off with a tour of the Kiva API from Chairwoman Julie Hanna, then followed with Code for America ’s Jennifer Pahlka explaining her "Peace Corps for Geeks" and solving civic problems with technology. Sasha Laundy of Codecademy introduced us to scalable ways to teach the world to code, and the series culminated with Kim Polese – the first Product Manager for Java – sharing the value of open source technology for making innovation universally accessible. Last week: series highlights Women Techmakers Give Back with Kiva.org Kiva.org chairwoman and technologist Julie Hanna walk us through a data visualization of Kiva’s global impact.VIDEO Women Techmakers Give Back with Code for America Code for America ’s latest civic startups and her "Peace Corps for Geeks".VIDEO Women Techmakers Give Back with Codecademy Codecademy ’s Sasha Laundy introduces us to the easiest way to learn to code. VIDEO Women Techmakers Give Back with ClearStreet, Java VIDEO This Week: We’re going global Thursday, 12/20 : Women Techmakers & Rony Ross of Panorama Software | 2:30 pm PST | 22:30 UTC | Watch live | Add to calendar Thursday, 12/20 : Women Techmakers & Yael Karov of Ginger Software | 3:30 pm PST | 23:30 UTC | Watch live | Add to calendar Watch anytime, anywhere new WTM home .We’re taking techmaker nominations. Share with +Google Developers and @googledevs who you’d like to see on the next Women Techmakers series. Use hashtag (#WTM) and +mention your favorite maker women. Phoebe Peronto is an Associate Product Marketing Manager on the Developer Marketing team here at Google. She’s a foodie who has a penchant for traveling, politics, and running. Oh, and of course...Go Cal Bears! Posted by Scott Knaster , Editor
By Scott Knaster, Google Developers Blog Editor Lady Ada Lovelace with a nifty Google Doodle . Among other accomplishments, Ada is credited with publishing the world's first algorithm for use with Charles Babbage’s Analytical Engine .Women Techmakers series on Google Developers Live . We're highlighting women who are making big social impacts through their innovations in tech. Please check it out.limbs evolving from fins . The scientists ramped up the activity of a particular gene, which caused the fish to produce rudimentary limbs instead of fins. This might be an evolutionary clue about where our own arms and legs came from.Ruggles says the drawings are a labyrinth , and "This labyrinth was meant to be walked, not seen". Well said, and in that spirit, we hope you get out and take a walk of your own this weekend, even if you don’t have an awesome ancient labyrinth nearby.Each Friday on this blog we skip our usual developer topics and offer interesting (we hope) stuff that’s not directly related to writing code.
By the Google App Engine Team Cross-posted from the Google App Engine Blog The Google App Engine team has been busy putting together our final release of 2012. This release includes a number of features graduating from Experimental status as well as the usual batch of bug fixes and improvements. We’ll be taking a short break from our monthly release cycle over the holidays, but we’ll be back to our normal schedule starting in February. Expanded EU Support We’re happy to announce that we are expanding European Union datacenter support, based on positive feedback from early users. You can sign up here . Please note, deployment is currently limited to billing-enabled applications . We understand that data locality and latency are important to developers and are committed to further expanding this support in the coming months. Java We've made a new Maven plugin available, added the source to the SDK for easier IDE debugging, and made significant performance improvements to the JSP compilation process . Please see our Java release notes for more information. Python We’ve made a big push to bring a number of new features to GA, upgraded the interpreter to version 2.7.3, and added several new experimental features . For more details, please see our Python release notes . New and Upgraded Features We also have a handful of notable features in this release: Task Queue statistics (General Availability): You can see statistics such as the current number of tasks in a queue, the number of tasks executed in the last hour, and more. Traffic splitting (General Availability): You can split requests amongst different versions of your app. LogsReader and Logs API (General Availability): You can now fetch requests based on a list of request IDs. Expanded Datastore query support (Experimental): We’ve added ‘DISTINCT’ support to Datastore queries. Full release notes and Google Cloud Platform newsletter The complete list of features and a list of bug fixes for 1.7.4 can be found in our release notes . For App Engine coding questions and answers check us out on Stack Overflow , and for general discussion and feedback, find us on our Google Group . Finally, to stay up to date with Google Cloud Platform, sign up for our newsletter where you’ll get the latest news, announcements and event information. Written by the Google App Engine Team. Posted by Scott Knaster , Editor
By Phoebe Peronto, Developer Marketing Women Techmakers series is back for round two on Google Developers Live (GDL)! In the spirit of the holidays, hosts Megan Smith of Google[x], Lacy Caruthers (Google Giving ), Angela Lin (YouTube EDU ), and Pavni Diwanji (Google+ ), sit down with women who are using their technical backgrounds to effect social change and make an impact. Join us in-studio Tuesday through Friday of this week at 2:30 pm PST to learn more about how Women Techmakers are giving back in big ways.Tuesday, 12/11 : WTM & Julie Hanna - Chairwoman, Kiva.org | 2:30 pm PST | 22:30 UTC | Watch live | Add to calendar Kiva , startup and venture advisor, and angel investor, Julie Hanna knows about giving back. Her work at Kiva, a crowdfunding pioneer leading the micro-lending marketplace, has been integral in touching over 800,000 low-income entrepreneurs in over 60 countries, adding up to more than $350M loans delivered. Radhika Malpani and Anita Yuen of Google.org dive into Julie’s experience using her technical skills to make social change.Wednesday, 12/12 : WTM & Jennifer Pahlka - Code for America | 2:30 pm PST | 22:30 UTC | Watch live | Add to calendar Code for America is a new kind of public service. Join hosts Chris DiBona and Lacy Caruthers in the GDL studio, as they sit down with Code for America founder and executive director Jennifer Pahlka to discuss how she is working on the technical side with web professionals and cities nationwide to promote public service and reboot government.Thursday, 12/13 : WTM & Sasha Laundy - Codecademy | 2:30 pm PST | 22:30 UTC | Watch live | Add to calendar Codecademy makes learning code easy and collaborative. From Women Who Code and Codecademy, Sasha Laundy joins Bridgette Sexton of Google Ventures and Angela Lin for a discussion of how Codecademy makes learning code interactive, iterative, and fun. More minds are better than one!Friday, 12/14 : WTM & Kim Polese - ClearStreet Inc. , Sun Microsystems | 2:30 pm PST | 22:30 UTC | Watch live | Add to calendar ClearStreet Inc. , a social finance startup, is focused on helping people eliminate debt and achieve long-term financial health. Chairwoman and original Java Project Manager at Sun, Kim Polese, speaks with Megan Smith and Pavni Diwanji about her experience as a leading Silicon Valley entrepreneur and technology executive, and how her work with ClearStreet is impacting users’ daily lives.first WTM series while you're getting ready for this week's lineup. Visit the Google+ events to RSVP , add the episodes to your Google calendar, tune in live on GDL , and ask questions of our on-air guests. And, most importantly, become part of the conversation by hashtagging #WTM posts on Google+.Watch Women Techmakers any time by visiting us at our new home . Tune in live, view archived episodes, and check out upcoming content. Phoebe Peronto is an Associate Product Marketing Manager on the Developer Marketing team here at Google. She’s a foodie who has a penchant for traveling, politics, and running. Oh, and of course...Go Cal Bears! Posted by Scott Knaster , Editor
By Scott Knaster, Google Developers Blog Editor Google Giving launched the Global Impact Awards , to recognize and reward achievements that use technology to improve people’s lives. The awards go to groups that have already accomplished dramatic results and provide continued funding so they can keep changing the world by providing clean water, protecting endangered species, and doing other wonderful things.VIDEO the home page , or learn about the other grant programs of Google Giving .first mapping images from the tandem spacecraft Ebb and Flow , which reached lunar orbit about a year ago. This program, called GRAIL (Gravity Recovery and Interior Laboratory), uses the two spacecraft to study lunar features in great detail, providing unprecedented information about Earth’s moon. So far, the data shows craters, peaks, and volcanic formations, but no huge surprises like giant alien transformer robots.here’s one you can enjoy on video . Sure, it’s neither giant nor alien, but it’s still very cool, don’t you think? Have a great weekend!On Fridays we depart from our usual developer topics and post a Fridaygram , which features interesting nerdy stuff for fun and knowledge. This week we acknowledge Walt Disney’s eleventy-first birthday, and the happy news that his creation Oswald the Lucky Rabbit will finally get a voice after 85 years of silence.
By Soonson Kwon, Developer Relations Program Manager Gangnam Style !) in Seoul, South Korea which expanded a 1-2 day hackathon into a much longer one which we called Google HackFair. VIDEO a remote controlled car guided by Android, a serial terminal for Chrome, a braille printer using Go, and many more !here .Soonson Kwon is Developer Relations Program Manager and Country Lead for South Korea. His mission is to help Korean developers make better use of Google’s developer products. He is also passionate about Open Source.Posted by Scott Knaster , Editor
By Derek Slater, Policy Manager Google Developers Live Presents will host a series on Internet regulation and the future of our web. Airing Tuesday through Thursday at 3:30pm PST (23:30 UTC), technical, entrepreneurial, and policy experts weigh in on the economic and social impact of the Internet, as well as its future if we don’t take action.Google+ events to RSVP, add the episodes to your Google calendar, tune in live on GDL , and ask questions of our on-air guests. And, most importantly, raise your voice for a free and open web .Tuesday : The State of Our Web | 3:30 pm PST | 23:30 UTC | Featuring M-Lab and the Transparency Report | Watch live | Add to calendar Wednesday : Entrepreneurs on the #freeandopen web | 3:30 pm PST | 23:30 UTC | Featuring Google for Entrepreneurs and Engine Advocacy | Watch live | Add to calendar Google for Entrepreneurs is helping startups around the world and Engine Advocacy is the startup voice in government. Learn more about what they’ve picked up along the way about the culture of successful communities of entrepreneurs, and policies on the table that may impact them.Thursday : Internet Freedom and the ITU | 3:30 pm PST | 23:30 UTC | Featuring Access Now , Association for Progressive Communications , Centro de Technologia e Sociedade (Brazil), Fundacion Karisma (Colombia), Derechos Digitales (Chile) | Watch live | Add to calendar Connect with us at developers.google.com/live . Tune in to live programming, check out the latest in Google tools and technologies, and learn how to make great apps. Derek Slater defends the open Internet on Google's public policy team. He supports the company's global advocacy efforts on innovation policy, and recently helped launch google.com/takeaction .Posted by Scott Knaster , Editor
