max8hine

Class Store {
  #state: { count: 0 };
  
  constractor(initialState) {
    if (initialState) this.#state = initialState
  }

  get state() {
    return this.#state
  }

max8hine

const downloadFile = (data: string, name: string) => {
  const blob = new Blob([data], { type: 'octet-stream' });
 	const href = URL.createObjectURL(blob);
	const a = Object.assign(document.createElement("a"); { href, download: name, style: "display: none"})
	a.click();
	URL.revokeObjectURL(href);
}

max8hine

const variants = {
  exp1: "base",
  exp2: "variant2",
  exp3: "variant3",
};

const experimentSettings = {
	activate(exp_name, unique_identifier) {
		// Api call to the server
		return variants[exp_name] || 'base';

max8hine

/**
 * A errorHandler function
 * Handle Axios request error
 * Handle Javascript Error instance
 * Handle Javascript TypeError
 * Handle Any error and return default error message
 * @param {Object || Any} error
 * @returns {String}
 */
export const errorHandler = (

max8hine

Connect Github by Using SSH Key on macOS

Based on Github Doc, and clarified the confusing parts

1. Open Terminal
2. Checking for existing SSH keys

   $ ls -al ~/.ssh
   # Lists the files in your .shh directory, if they exist

max8hine

var link = 'http://www.google.com/uploads/art/art_max_156575641388.0.png'

var parsingUrl = link.match(/\.([^.]*?)(?=\?|#|$)/)
/* [ '.png', 'png', index: 56, input: 'http://www.google.com/uploads/art/art_max_156575641388.0.png', groups: undefined ] */

var isPath = (/\.(jpg|jpeg|png)$/i).test(link)
/* true */


trimmedArtist = artist

max8hine

{
  "[javascript]": {
    "editor.formatOnSave": true
  },
  "[json]": {
    "editor.formatOnSave": true
  },
  "[css]": {
    "editor.formatOnSave": true
  },

max8hine

// https://github.com/jdesboeufs/connect-mongo#readme
// https://docs.mongodb.com/manual/tutorial/expire-data/
/* A session cookie is just a normal cookie without an expiration date.
Those are handled by the browser to be valid until the window is closed or program is quit.

But if the cookie is a httpOnly cookie (a cookie with the httpOnly parameter set),
you cannot read, change or delete it from outside of HTTP (meaning it must be changed on the server). */


cookie: { originalMaxAge: null, expires: null, httpOnly: true, path: '/' }

max8hine

// Barchart

// approach 1 - full feature integration
// D3 handles props and state, 
// React handles rednering logic

class Barchart extends Component {
  xScale = d3.scaleBand().paddingInner(0.1)
  yScale = d3.scaleLinear()

max8hine

const log = console.log

// https://www.youtube.com/watch?v=_5X2aB_mNp4
const Undefined = new Proxy(function() {}, {
	// if call Undefined as function, you will get Undefined
	get(target, key, receiver) {
		return Undefined;
	},
	apply() {
		return Undefined;