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| #!/bin/bash | |
| # Functions ============================================== | |
| # return 1 if global command line program installed, else 0 | |
| # example | |
| # echo "node: $(program_is_installed node)" | |
| function program_is_installed { | |
| # set to 1 initially | |
| local return_=1 |
Attention: the list was moved to
https://github.com/dypsilon/frontend-dev-bookmarks
This page is not maintained anymore, please update your bookmarks.
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
| function mapValues(obj, fn) { | |
| return Object.keys(obj).reduce((result, key) => { | |
| result[key] = fn(obj[key], key); | |
| return result; | |
| }, {}); | |
| } | |
| function pick(obj, fn) { | |
| return Object.keys(obj).reduce((result, key) => { | |
| if (fn(obj[key])) { |
| // connect() is a function that injects Redux-related props into your component. | |
| // You can inject data and callbacks that change that data by dispatching actions. | |
| function connect(mapStateToProps, mapDispatchToProps) { | |
| // It lets us inject component as the last step so people can use it as a decorator. | |
| // Generally you don't need to worry about it. | |
| return function (WrappedComponent) { | |
| // It returns a component | |
| return class extends React.Component { | |
| render() { | |
| return ( |