Jason H JaosnHsieh

create-react-app appname
cd addname
yarn add --dev concurrently wait-on electron
yarn add electron-is-dev

package.json

{
  "name": "my-electron-app",

Tape vs Mocha

What is Mocha? Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser.

What is Tape? Tape is a tap-producing test harness for node and browsers

Feature	Tape	Mocha

# remove old pkgs

	// semantic-ui-form.js

	import React from 'react';
	import PropTypes from 'prop-types';
	import { Form, Input } from 'semantic-ui-react';

	export default function semanticFormField ({ input, type, label, placeholder, meta: { touched, error, warning }, as: As = Input, ...props }) {
	function handleChange (e, { value }) {
	return input.onChange(value);
	}

	# get total requests by status code
	awk '{print $9}' /var/log/nginx/access.log \| sort \| uniq -c \| sort -rn

	# get top requesters by IP
	awk '{print $1}' /var/log/nginx/access.log \| sort \| uniq -c \| sort -rn \| head \| awk -v OFS='\t' '{"host " $2 \| getline ip; print $0, ip}'

	# get top requesters by user agent
	awk -F'"' '{print $6}' /var/log/nginx/access.log \| sort \| uniq -c \| sort -rn \| head

	# get top requests by URL

	/*
	* Handling Errors using async/await
	* Has to be used inside an async function
	*/
	try {
	const response = await axios.get('https://your.site/api/v1/bla/ble/bli');
	// Success 🎉
	console.log(response);
	} catch (error) {
	// Error 😨

	# maximum capability of system
	user@ubuntu:~$ cat /proc/sys/fs/file-max
	708444

	# available limit
	user@ubuntu:~$ ulimit -n
	1024

	# To increase the available limit to say 200000
	user@ubuntu:~$ sudo vim /etc/sysctl.conf

	//target (our payment object interface)
	interface IPayment {
	id: string;
	total: number;
	SubmitPayment: Function;
	}
	//our payment class
	class Payment implements IPayment {
	public id: string;
	public total: number;