samsch

    handleProductChange(event) {
        const target = event.target;
        const name = target.name;
    
        this.setState({
            "product": {
                [name]: target.value
            }
        });

samsch

const ExtractTextPlugin = require("extract-text-webpack-plugin");

module.exports = {
    entry : __dirname + '/app/index.js',
    module : {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,

samsch

{queries.map(query => ({
  area: <Area key={query.id} name={query.name} {...query.definition} />,
  bar: <Bar key={query.id} name={query.name} {...query.definition} />,
  line: <Line key={query.id} name={query.name} {...query.definition} />
}[query.definition.cartesianType]))}

// Shorter version

{queries.map(query => {
  const Component = {area: Area, bar: Bar, line: Line}[query.definition.cartesiantype];

samsch

let counter = 0;
const repaint = () => React.render(<Spinner data={counter}/>, document.body);
const inc     = () => { counter += 1, repaint() };
const dec     = () => { counter -= 1, repaint() };

const Spinner = ({ counter }) => (
    <div>
        {counter}
        <button value="^" onclick={inc}/>

samsch

    <Router history={hashHistory}>
        <Route path="/" component={Layout}>
            <IndexRoute component={Dashboard}></IndexRoute>
            <Route path="Login" component={Login}></Route>
            <Route path="accounting">
                <Route path="authorize-orders" component={AuthorizeOrders}></Route>
                <Route path="credit-transaction" component={CreditCcTransaction}></Route>
                <Route path="authorize-card" component={Sale}/>
                <Route path="authorize-card/select-invoices" component={SaleSelectInvoices}></Route>
                <Route path="void-transaction" component={VoidCcTransaction}></Route>

samsch

1. Delete all containers

    $ docker ps -q -a | xargs docker rm
   

-q prints only the container IDs -a prints all containers

Notice that it uses xargs to issue a remove container command for each container ID

2. Delete all untagged images

samsch

import React from 'react';
import ReactDOM from 'react-dom';
import Router from 'routes';

ReactDOM.render(
  <Router />,
  document.body
);

samsch

const React = require('react');

class NewComponent extends React.Component {
    constructor(props) {
        super(props);
        this.onMouseOver = this.onMouseOver.bind(this);
    }
    onMouseOver() {
        this.props.onMouseOver(this.props.id);
    }

samsch

import React, {Component} from 'react';
import {connect} from 'react-redux';

import FunctionPlot from './function-plot';

require("../../css/functions.css");

function mapStateToProps(state) {
  return {
    expression: state.expression