JimmyLv

cy.get('form')
  .findByText('button', { name: /Button Text/i })
  .should('exist')
cy.findByRole('dialog').within(() => {
  cy.findByRole('button', { name: /confirm/i })
})

JimmyLv

var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));

//...
var storedNames = JSON.parse(localStorage.getItem("names"));

JimmyLv

for f in `ls *.md`; do 
  pandoc -f markdown -t org -o ${f}.org ${f}; 
done

JimmyLv

import React from 'react';
import { PhotoStory, VideoStory } from './stories';

const components = {
  photo: PhotoStory,
  video: VideoStory
};

function Story(props) {
  // Correct! JSX type can be a capitalized variable.

JimmyLv

import { Meta, Story, Preview } from "@storybook/addon-docs/blocks";

<Meta title="MDX/Sanitize" />

<Preview>
  <Story name="sanitize header">
    <ce-sanitize html="<h1>Header</h1>"></ce-sanitize>
  </Story>
</Preview>

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componentDidUpdate(prevProps) {
  // 典型用法（不要忘记比较 props）：
  if (this.props.userID !== prevProps.userID) {
    this.fetchData(this.props.userID);
  }
}

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class App extends React.Component {
  constructor() {
    super()
    this.state = {
      m: 0
    }
  }

  static getDerivedStateFromProps(nextProps, prevState) {
    console.log("getDerived", nextProps, prevState);

JimmyLv

- Edit the crontab file for the current user:
    crontab -e

- View a list of existing cron jobs for current user:
    crontab -l

- Remove all cron jobs for the current user:
    crontab -r

JimmyLv

{
  ...
  "jest": {
    "coverageThreshold": {
      "global": {
        "branches": 50,
        "functions": 50,
        "lines": 50,
        "statements": 50
      },

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"test": "react-scripts test -- --config=jest.config.js",