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Cheng Lou - On the Spectrum of Abstraction

Cheng Lou, a former member of the React team, gave an incredible talk at React Europe 2016 entitled "On the Spectrum of Abstraction". That talk is available for viewing here: https://www.youtube.com/watch?v=mVVNJKv9esE

It's only a half-hour, but it is mind-blowing. It's worth re-watching two or three times, to let the ideas sink in.

I just rewatched the talk for some research, and wrote down a summary that's semi-transcript-ish. I didn't see any other transcripts for this talk, other than the auto-generated closed captions, so I wanted to share for reference.

	curl 'http://www.devprev.com/arlington/api/orders' \
	-H 'Connection: keep-alive' \
	-H 'Pragma: no-cache' \
	-H 'Cache-Control: no-cache' \
	-H 'Credentials-Token: 9f58a1dc99e8f92f3ec1a441136108c8' \
	-H 'Accept: application/json, text/plain, /' \
	-H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36' \
	-H 'Auth-Token: 4D1D8902094FE083' \
	-H 'Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7gRu0s0iWZ0G3FkZ' \
	-H 'Origin: http://localhost:8081' \

	curl 'http://www.devprev.com/arlington/api/orders' \
	-H 'Connection: keep-alive' \
	-H 'Pragma: no-cache' \
	-H 'Cache-Control: no-cache' \
	-H 'Credentials-Token: 29475c3df10f35aa2163671493c15595' \
	-H 'Accept: application/json, text/plain, /' \
	-H 'X-Requested-With: XMLHttpRequest' \
	-H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36' \
	-H 'Auth-Token: 4D1D8902094FE083' \
	-H 'Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryMyhgBRqQUzKq6tJl' \

	curl 'http://www.devprev.com/arlington/api/orders' \
	-H 'Connection: keep-alive' \
	-H 'Pragma: no-cache' \
	-H 'Cache-Control: no-cache' \
	-H 'Credentials-Token: 9f58a1dc99e8f92f3ec1a441136108c8' \
	-H 'Accept: application/json, text/plain, /' \
	-H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36' \
	-H 'Auth-Token: 4D1D8902094FE083' \
	-H 'Content-Type: application/x-www-form-urlencoded' \
	-H 'Origin: http://localhost:8081' \

	from bs4 import BeautifulSoup
	import codecs

	excluded_strings = [
	"google",
	"youtube"
	]

	header = "title,link"
	with open('file.csv', 'w') as my_csv:

	class ParentComponent extends Component {
	render() {
	// My basic render function structure:

	// 1) Extract values from props and state
	const {a, b, someBoolean, someList} = this.props;

	// 2) Render any dependent items into temporary variables, such as conditional components or lists
	const conditionalComponent = someBoolean ? <SomeComponent /> : null;
	const listItems = someList.map(item => <ListItem item={item} />);

	import { createStore, applyMiddleware, compose } from 'redux';
	import thunkMiddleware from 'redux-thunk';
	import { createLogger } from 'redux-logger';
	import rootReducer from './reducers';

	const loggerMiddleware = createLogger();
	const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ \|\| compose;

	export default function configureStore(preloadedState) {
	return createStore(

	// Action creators can be impure.
	export const addChat = ({
	// cuid is safer than random uuids/v4 GUIDs
	// see usecuid.org
	id = cuid(),
	msg = '',
	user = 'Anonymous',
	timeStamp = Date.now()
	} = {}) => ({
	type: ADD_CHAT,

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Cheng Lou - On the Spectrum of Abstraction

Summary