maxgfr

const WebSocket = require('ws');

const ws = new WebSocket('wss://ws.kraken.com');

ws.on('open', function open() {
  ws.send(JSON.stringify({
    "event": "subscribe",
    "pair": [
      "BTC/USD",
      "ETH/USD",

maxgfr

FFMPEG

How to generate an empty video of 12 minutes ?

$ ffmpeg -t 720 -s 640x480 -f rawvideo -pix_fmt rgb24 -r 25 -i /dev/zero empty.mpeg

Concat videos using ffmepg

maxgfr

const nodemailer = require('nodemailer');

sendMail('gmail', '[email protected]', 'Maxime', '[email protected]', 'Informations V2.0', 'Bonjour Maxime\nPasse une belle journée :p')
  .then((res) => {
    console.log('Email sent: ' + res.response)
  })
  .catch((err) => {
    console.log(err);
  });

maxgfr

Rename JS file to JSX file

find . -name "*.js" -exec sh -c 'mv "$0" "${0%.js}.jsx"' {} \;

# or
find ./ -depth -name "*.js" -exec sh -c 'mv "$1" "${1%.js}.jsx"' _ {} \;

maxgfr

import React from 'react'
import { View, StyleSheet } from 'react-native'

type Props = {
  behind: React.Component,
  front: React.Component,
  under: React.Component
}

// Show something on top of other

maxgfr

import axios from 'axios'
import store from './redux/store'

const AxiosInstance = axios.create()

AxiosInstance.interceptors.response.use(
   (response) => {
      return response
   },
   async function (error) {

maxgfr

const transformFirestoreTypes = (obj: any): any => {
   Object.keys(obj).forEach(key => {
      if (!obj[key]) return
      if (typeof obj[key] === 'object' && 'toDate' in obj[key]) {
         obj[key] = obj[key].toDate().getTime()
      } else if (obj[key].constructor.name === 'GeoPoint') {
         const { latitude, longitude } = obj[key]
         obj[key] = { latitude, longitude }
      } else if (obj[key].constructor.name === 'DocumentReference') {
         const { id, path } = obj[key]

maxgfr

import i18n from 'i18n-js';
import detectBrowserLanguage from 'detect-browser-language';

const en = {
  title: "Title"
};

const fr = {
  title: "Title"
};

maxgfr

Useful Regex

From this repository : https://github.com/OpenCode/awesome-regex

Table of Content

• Awesome Regex
  • Information technology
    • Hex color
• IP Address

maxgfr

import React, { useState } from 'react'
import { SingleDatePicker } from 'react-dates'
import moment from 'moment'

export function AppDayPicker({ value, onChange, ...props }) {

  const [date, setDate] = useState(null)
  const [focusedInput, setFocusedInput] = useState(null)

  const returnYears = () => {