salmanx

// borrowed from https://getbootstrap.com/docs/4.4/getting-started/browsers-devices/
<script>
$(function () {
  var nua = navigator.userAgent
  var isAndroid = (nua.indexOf('Mozilla/5.0') > -1 && nua.indexOf('Android ') > -1 && nua.indexOf('AppleWebKit') > -1 && nua.indexOf('Chrome') === -1)
  if (isAndroid) {
    // do stuff
  }
})
</script>

salmanx

module BrowserClassHelper
  def browser_class
    if ie11?
      "is-ie11"
    else
      "is-" + request.browser.downcase
    end
  end

  def ie11?

salmanx

<div class="container">
  <h3 class="page-header">Upload Photos Page</h3>

  <form class="form-horizontal">
    <div class="form-group">
      <label for="photo" class="col-sm-2 control-label">Upload</label>
      <div class="col-sm-10">
        <input type="file" class="form-control" name="photo" id="photo" accept=".png, .jpg, .jpeg" onchange="readFile(this);" multiple>
      </div>
    </div>

salmanx

var OFF = 0, WARN = 1, ERROR = 2;

module.exports = exports = {
    "env": {
        "es6": true
    },

    "ecmaFeatures": {
        // env=es6 doesn't include modules, which we are using
        "modules": true

salmanx

# Ruby wrapper for UglifyJS JavaScript compressor
gem "uglifier", ">= 1.3.0"

#Search Engine Optimization (SEO)
gem "meta-tags"

# Sucker Punch is a Ruby asynchronous processing library using concurrent-ruby, heavily influenced by Sidekiq and girl_friday.
gem "sucker_punch"

salmanx

Docker Commands, Help & Tips

Show commands & management commands

$ docker

Docker version info

salmanx

import { createStore, combineReducers} from "redux";
import uuid from 'uuid/v1';

// NOTE:
// to create store we need to pass reducer in createStore() method
// reducer is a function with state and action params - testReducer(state = demostate, action)
// reducer will return result based on action.type
// we need to pass demoState in params

// state of the application would look like this demoState

salmanx

console.log('Before');

// callback approach
// getUser(1, displayUser);


// promised based approach
// getUser(1)
//   .then(user => getRepositories(user.name))
//   .then(repos => getCommits(repos[0]))

salmanx

const p = new Promise((resolve, reject) => {
  setTimeout(() => {
    
    resolve(1);

    // reject(new Error('message'));

  }, 2000)
});

salmanx

console.log('Before');

getUser(1, displayUser);

console.log("After");

function getUser(id, callback){
  setTimeout(() => {
    console.log("Reading a user from database!");
    callback({ id: id, name: "salmanx" })