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100% JS @ LXJS 2012
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Lucas Hrabovsky
September 29, 2012
Technology
2
200
100% JS @ LXJS 2012
From Applied.js group at LXJS 2012
Lucas Hrabovsky
September 29, 2012
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Transcript
100% JS Saturday, September 29, 12
Hello. __lucas Saturday, September 29, 12
CTO http://ex.fm/iphone http://ex.fm/ Saturday, September 29, 12
What kind of company do we want to be? Saturday,
September 29, 12
Who do we hire? Saturday, September 29, 12
What we need Design UX JavaScript Python Java Objective-C Product
Saturday, September 29, 12
What we need take 2 Design UX JavaScript Python Java
Objective-C Product Saturday, September 29, 12
How do we get there? Client (some other time) Mobile
Server Saturday, September 29, 12
SERVER. Saturday, September 29, 12
Current Stack Flask App uWSGI Nginx Saturday, September 29, 12
Too many things that can go wrong. Saturday, September 29,
12
Pythons Gone Wild Saturday, September 29, 12
PubSub of all user events. Saturday, September 29, 12
Across processes and machines. Saturday, September 29, 12
Don’t try this in Python. Saturday, September 29, 12
<3 Socket.io Saturday, September 29, 12
YNGWIE Saturday, September 29, 12
Hmm... Saturday, September 29, 12
Something going on here. Saturday, September 29, 12
User Service API Site Service Song Service Lots of express
Saturday, September 29, 12
Services are cheap. Saturday, September 29, 12
Spread load and ownership. Saturday, September 29, 12
Easier to test. Saturday, September 29, 12
Happier developers. Saturday, September 29, 12
MOBILE. Saturday, September 29, 12
Our Mobile Web App is better than our native apps.
Saturday, September 29, 12
Q = Σ (P - D) Product Quality = Passion
- Cognitive Distance Saturday, September 29, 12
NO “Why not just hire more android and iOS developers?”
Saturday, September 29, 12
Don’t have time or money for specialists. Saturday, September 29,
12
Just because it’s native does not make it better. Saturday,
September 29, 12
Try optimizing android list views... Saturday, September 29, 12
<3 PhoneGap Saturday, September 29, 12
Deploy to S3 Saturday, September 29, 12
Plugins = Native Polyfills Saturday, September 29, 12
Fix HTML5 Audio with IEXAudio Plugin. https://github.com/exfm/iex-audio Saturday, September 29,
12
Side-note: FireBreath - Prototype new browser API’s http://www.firebreath.org Saturday, September
29, 12
LEARNED. Saturday, September 29, 12
YES “Do you really want front-end people working on the
server?” Saturday, September 29, 12
90/10 Get some data from an API Render a template
Saturday, September 29, 12
Know How The Sausages Get Made. Saturday, September 29, 12
Implement it yourself. Saturday, September 29, 12
Context Switching Saturday, September 29, 12
But.................... Saturday, September 29, 12
2 Problems so far. Saturday, September 29, 12
1. Front-end people have an inherent fear of databases. Saturday,
September 29, 12
Like Spiders... Saturday, September 29, 12
Covered in Spiders... Saturday, September 29, 12
That are electronic. Saturday, September 29, 12
$.post(“/user/”, {‘username’: ‘lucas’}) db.get(‘users’).put({‘username’: ‘lucas’}) Saturday, September 29, 12
Tarantulas aren’t poisonous. Saturday, September 29, 12
2. Async for the procedural folk. Saturday, September 29, 12
Mind-melting, complex, racey, callback nesting. Saturday, September 29, 12
Use flow-control. Saturday, September 29, 12
Anything in futures is great. https://github.com/coolaj86/futures Saturday, September 29, 12
And promises. Saturday, September 29, 12
when is nice and works with jQuery deferreds https://github.com/cujojs/when Saturday,
September 29, 12
Not instant. Saturday, September 29, 12
Sometimes a month, Saturday, September 29, 12
Sometimes an hour, Saturday, September 29, 12
Totally worth it. Saturday, September 29, 12
Obrigado. @__lucas https://github.com/exfm http://ex.fm Saturday, September 29, 12