Performance Tips & Tricks
- October 25, 2012 · 7:00 PM
Performance tips & tricks
For our October meetup we are pleased to welcome the front-end team from Flickr presenting for us various tips and tricks to build high performance websites!
We'll have 3 talks:
- Using Web Workers for fun and profit: parsing EXIF in the client (Chris Berry)
Exif, exchangeable image file format, describes various sets of metadata stored in a photo. Really interesting metadata, like image titles, descriptions, lens focal lengths, camera types, image orientation, even GPS data! I'll go over the methods to extracting this data on the front-end, in real-time, using web workers.
- The Grid: How we show 10,000 photos on a page without crashing your browser (Scott Schiller)
Flickr's latest Web-based Uploadr interface uses HTML5 APIs to push bytes en masse. Its real power, however, is the UI which enables users to add and edit the metadata of hundreds of photos while they are uploading in the background.
Handling the selection, display and management of large numbers of photos in a browser UI meant that the Uploadr project needed to be designed for scalability from the ground up.
This talk will go into some of the details of the Uploadr "Grid" UI,
technical notes and performance findings made during its development.
- Optimizing Touch Performance (Stephen Woods)
Touch interfaces are amazing. Touch devices are amazingly slow. Stephen Woods will share hard-won advice for building responsive touch-based interfaces using HTML5, CSS, and JavaScript. He also reveals how Star Trek: The Next Generation predicted the need for instant user feedback in a touch-based UI and how Tivos slow UI was made bearable by a simple "bloop" sound.
AGENDA:
- 18:30 :: Check-in & Mingle
- 18:45 :: Introductions & Presentation
- 20:00 :: Questions and Answer & Open Form
- 20:30 :: Networking & Discussion
- ??? :: Beers at the pub!
Citizen Space is located at:
425 2nd Street, Suite 100
San Francisco, CA
OUR SPONSORS:
Akamai - Optimize Content & Media Delivery
Strangeloop provides advanced front-end optimization (FEO) solutions to companies like eBay/PayPal, Visa, and O'Reilly Media.
Flickr - Almost certainly the best online photo management and sharing application in the world.
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Fareed Ansari
Just finished watching the UpStream you provided, excellent, Thanks again. I will be going through the slides.
October 27, 2012
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Fareed Ansari
Thank you for recording the meetup and, looking out for us slackers. Some has to see history being made. Go Giants!
October 26, 2012
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Aaron Kulick
Here are the slides or links to the blog which has greater depth:
Stephen Woods:
http://code.flickr.com/2011/07/...Chris Berry
http://tinyurl.com/flickrcodeex...
http://tinyurl.com/exifspecScott Schiller
http://code.flickr.com/2012/05/...1 · October 26, 2012
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Aaron Kulick
And @Ross is going to post a formal blog entry at http://code.flickr.co... with slide deck links. Thanks!
October 26, 2012
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Rob Loh
Hey, would it be possible to get links to the slide decks from last night? I noticed flic.kr links, but wasn't in a position to note them down. Thanks!
October 26, 2012
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Ross Harmes
I'll put up a post on http://code.flickr.co... today with links to all of the slide decks.
October 26, 2012
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Aaron Kulick
3 great talks from some of the best! Great presentations! Where else can you watch someone drag 10240 files into a browser and then watch him scroll it FAST?
October 26, 2012
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chris
Ah! You're right Neil! Thanks I was missing it on the way home. Maybe I can pick it up early next week or it could be a donation?
October 25, 2012
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Neil Minton
Sounds good. I mentioned it to Gina (the lady at the front) before I left. I think she plans to hold it for a few days but you may want to give them a call soon if you're going to grab it.
October 26, 2012
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Neil Minton
To the Cris I met @ the event tonight. I think you may have left your green water bottle behind. Gina has it at the front if your interested.
October 25, 2012
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