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May 15, 2015 15:02
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| # Day 1 | |
| ## Andre | |
| ## What if the user was a function? | |
| ## Martin Kleppe @aemkei | |
| ## Invisible Code | |
| - ASCII map, Mandelcode | |
| - jswtf stuff | |
| - Crazy minification stuff | |
| -> <body id=b onload="alert(1)"> | |
| -> <body onload="alert(1)"id=b> | |
| - M4TR1X | |
| - Having fun! | |
| ## Soledad Penades @supersole | |
| ## The disconnected ensemble | |
| - Firefox OS 2 years later | |
| - Brainstorming | |
| - streamline builds | |
| - rethink code structure | |
| - smarter phones, less intrusions | |
| - offline sharing updates <- no connectivity | |
| - context-awareness | |
| - ...P2P web | |
| - no necessary round-trip to cloud | |
| - WiFi direct in JS on phones | |
| - P2P === SOCIAL | |
| - Making Musical toys | |
| - Web Audio audio node | |
| - Web Components based UI | |
| - AudioNode works as a JS object | |
| - Custom Element attaches to AudioNode | |
| - FXOS apps can do web servers | |
| - mozWifiManager | |
| - get IP, status of network | |
| - NFC solves the problem with typing IPs | |
| https://github.com/sole/the-p2p-web | |
| ## Matthew Podwysocki @mattpodwysocki | |
| ## Async Javascript at Netflix | |
| gh.com/mattpodwysocki/jsconfbp-2015 | |
| - Open Sourcerer @ Microsoft | |
| - Works ~full-time on Reactive Extensions | |
| ### Netflix | |
| - 1/3 of US broadband usage | |
| - BIG async problems | |
| - Mem leaks | |
| - Race conds | |
| - Callback hell | |
| - Complex state machines | |
| - Disjointed error handling | |
| - Callbacks make it hard to figure out where the program is going | |
| - Events are just as hard to handle | |
| - You can't cancel a Promise | |
| - Observables make these things trivial | |
| ## Mikael Brevik @mikaelbrevik | |
| ## Functional UIs and unidirectional dataflow | |
| - Olden days: We had complete static models of HTML | |
| - Now we do updates of content on browser | |
| - Referentially transparent functions | |
| - can be replaced by the result of the function | |
| - are predictable | |
| - sequence of ~ can be executed in any order (can be thought of as single func) | |
| -> composability | |
| - Pure functions | |
| - don't change referential values (= accidental shared state) | |
| - Immutability | |
| - setting returns _new obj_ | |
| - reference check is enough for deep equality | |
| - Composable components | |
| - stateless pieces of code | |
| - simple components can be composed together for more complex | |
| - System as a function of state | |
| - all updates go through the "top of the tree" | |
| - state over time (going to a state thru serialization) | |
| - diffing -> do only changes that you need to | |
| ## Stephan Boennemann @boennemann | |
| ## 148,247 packages on npm | |
| - "A package is a _solved_ problem" | |
| - Dependency hell - updating breaks stuff | |
| ### SemVer | |
| - x.y.z | |
| - major.minor.patch | |
| - patch - bugfix | |
| - minor - new functionality | |
| - major - breaking changes | |
| - breaking.feature.patch | |
| We fail to follow SemVer. | |
| 0.x.y | |
| - Anything may change at any time | |
| - Version number should not convey stability | |
| - npm: use for exp. tag "next" for unstable vs. "latest" | |
| - Emotional attachment to version numbers | |
| - Versions are not for humans - names are. | |
| - You should rename the project altogether rather than refrain going for 1.0 or 2.0 or ... | |
| git.io/semantic-release | |
| ## Sebastiano Armeli @sebarmeli | |
| ## Enforcing code standards in JS projects | |
| - Enforcing =/= negative | |
| - Standards are good | |
| - Automate - follow the rules _defined by your team_ | |
| ### Ad | |
| - Editor config | |
| - indents | |
| - eol | |
| - charset | |
| - trailing whitespace | |
| - newline at eof | |
| - Lint | |
| - leaking vars, static checks, code style | |
| - JSLint: quality | |
| - JSCS: style - max line length etc. | |
| - ESLint: quality and style - also custom rules | |
| - JSinspect | |
| - Git commits | |
| - Angular commit standards | |
| - changelog automation | |
| - Build tool | |
| - integrate tools into build | |
| - Plato | |
| - on Jenkins build | |
| - complexity analysis | |
| - maintainability | |
| - LOC | |
| - Automated release flow | |
| - Setup script | |
| - pre-commit hook, post-merge hoook | |
| - Documentation | |
| - Readme + contributing -> should be enough to start working | |
| - /doc - general advice (avoid var, use let/const) | |
| ## Julian Cheal | |
| ## Dancing with robots | |
| - Cylon.js | |
| - Johnny-Five | |
| - Blinking a LED | |
| - or multiple LEDs | |
| - or an __array of LEDs__!! | |
| - Sphero with socket.io | |
| - Leap Motion: Harder Faster Stronger | |
| - Parrot AR Drone using a PS3 | |
| - or a DANCE MAT...... | |
| - __Angry Drones__ | |
| - with Smart Pigs | |
| - Drinkiebot | |
| - IoT drink serving | |
| # Day 2 | |
| ## Phil Nash @philnash | |
| ## The Web is getting pushy | |
| - Web can do | |
| - geoloc | |
| - accelerometer | |
| - p2p video chat | |
| - perf? | |
| - push notification | |
| - Live demo | |
| - Twitter api express app | |
| - Basic jQuery prepend stuff (real-time) | |
| - Live demo 2 | |
| - Notification.requestPermission() | |
| - new Notification (title, message) | |
| - Service Worker | |
| - the application cache is a douche | |
| - not just for offline | |
| ``` | |
| self.addEventListener('push', (event) => { | |
| event.waitUntil(fetch()) | |
| }) | |
| self.addEventListener('notificationclick', (event) => { | |
| event.waitUntil(/* open page on click */) | |
| }) | |
| ``` | |
| ## Pascal Precht @PascalPrecht | |
| ## Dependency Injection for future generations | |
| "25 dollar term for 5 cent concept" | |
| - Design pattern | |
| - object constructor: get all deps as params | |
| - can get unmaintainable soonish | |
| - Framework | |
| - using an Injector to get deps | |
| - problems: | |
| - deps are served as singletons | |
| - sychronous by default | |
| - namespace collisions | |
| - built into the framework (Angular) | |
| - DI in Angular 2 | |
| - _Injector -> Binding -> Object_ | |
| ``` | |
| var injector = Injector.resolveAndCreate([ | |
| Car, // bind(Car).toClass(Car) | |
| Engine, // bind(Engine).toClass(OtherEngine) | |
| Tires | |
| ]) | |
| var car = injector.get(Car) | |
| ``` | |
| ``` | |
| bind(Engine).toAsyncFactory(/**/) | |
| ``` | |
| - both sync and async work | |
| - no namespace collisions | |
| - can be used standalone | |
| ## Liv Eriksen @misslivirose | |
| ## JS for Virtual Reality | |
| - VR today | |
| - head mounted displays | |
| - Desktop: in essence you're attached to a table | |
| - Mobile: put your phone in a case, get a headset | |
| - Unity, Unreal Engine, _JS_ | |
| - WebVR | |
| - experimental API | |
| - specific Chromium builds & Firefox Nightly | |
| - Scene: Environment rendered thru WebGL | |
| - VRControls: listen for position changes -> camera | |
| - VREffect/-Polyfill: render for two side-by-side cameras | |
| - VRManager: device things | |
| - LIVE DEMO in ~ 20 LOC! | |
| - VRManager.js | |
| - provides helpers for dealing with devices | |
| - VREffect.js | |
| - create correct camera effect for certain device | |
| - RiftSketch | |
| - Code Web VR while in VR mode | |
| - http://brianpeiris.github.io/RiftSketch | |
| http://create.vizor.io | |
| http://bit.ly/jsconfvr | |
| ## Fedor Indutny @indutny | |
| ## Diving into C++ internals of IO.js | |
| http://jsconfbp.indutny.com | |
| ### A history on Git Blame | |
| - JS Optimization | |
| - avoid "hidden classes" | |
| - avoid "polymorphism" | |
| - manual allocation | |
| - Initial node.js | |
| - 1 file to setup V8 and cli args | |
| - HTTP server | |
| - Next up | |
| - cpp separated from js for soc | |
| - ObjectWrap | |
| - move to CommonJS | |
| (too fast slides to take notes) | |
| ## Sufian Rhazi @sufianrhazi | |
| ## Transform your code without breaking a sweat | |
| - 1 million LOC of JS | |
| - Code helps customers | |
| - how can we help our code? | |
| - Asset pipeline | |
| - Mental framework | |
| - Identify the change | |
| - Automate the transformation | |
| - Verify behavior | |
| - Clean up instrumented code | |
| - Automate | |
| - Impossible with RegEx | |
| - Abstract syntax trees | |
| - Esprima can provide that | |
| - escodegen used for generating | |
| - Verify | |
| - In test suites: create intentional errors | |
| - In prod: send beacons to server | |
| - Deploy two sets of code -> slow rollout | |
| - Clean up | |
| - leave codebase in better state than you found it | |
| - make deprecation warnings for old behaviors | |
| - Code must evolve | |
| - Polyfills are better than shims | |
| - Parsing and transforming is _easy and powerful_ | |
| - Test before prod | |
| - Monitor production | |
| ## Jaume Sanches @thespite | |
| ## Getting -started- things done with three.js and WebGL | |
| - Building 3D experiences | |
| - WebGL | |
| - based on OpenGL ES | |
| - three.js | |
| - threejs.org | |
| ## James Halliday @substack | |
| ## Anyone can edit | |
| - What if anyone could edit anything? | |
| - wikis as a data model | |
| - tech features | |
| - activity feeds | |
| - wikidb | |
| - non-conflicting data model | |
| - replication through websockets | |
| - studio.substack.net | |
| - ship.substack.net | |
| - services | |
| - can be shut down / hacked | |
| - How can we build services that nobody can own? | |
| - identity: you are your key | |
| - content-addressable data: integrity checking for free, links can't change | |
| - replication is easy: concatenate logs to replicate, allow several HEADs for each key | |
| - distributed hash tables | |
| - WebRTC | |
| - peer to peer connections in browser/node | |
| - peer introductions are tricky | |
| - peernet: gossip | |
| ## Anika Lindtner @langziehohr | |
| ## How to fix your community in one day | |
| - the world is diverse | |
| - diverse teams are more creative, innovative and productive than others | |
| - capture greater share of market | |
| - closed captioning for deaf people -> much more markets | |
| - 50% of women leave tech | |
| - hostile work env | |
| - isolation | |
| - women have to perform 2.5x better to be considered equal | |
| What can we do? | |
| - have empathy | |
| - learn to give feedback | |
| 1. | |
| - accept | |
| - make bias conscious | |
| - counteract | |
| 2. | |
| - recognize | |
| - mentor | |
| - be a role model | |
| - take a friend | |
| 3. | |
| - cause disruption | |
| - break stereotypes | |
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