kerimdzhanov

Textual types

      Type | Maximum length | Size (bytes)
-----------+----------------+------------------
  TINYTEXT |            255 | (2^8−1)
      TEXT |         65,535 | (2^16−1) = 64 KiB
MEDIUMTEXT |     16,777,215 | (2^24−1) = 16 MiB
  LONGTEXT |  4,294,967,295 | (2^32−1) =  4 GiB

kerimdzhanov

// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating

// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel

// MIT license

(function() {
    var lastTime = 0;
    var vendors = ['ms', 'moz', 'webkit', 'o'];

kerimdzhanov

// instead of using `expect(object).to.exist`, assert things
// through `.to.be.a(type)` which make failures more informative
expect(result).to.be.an('object')
  .that.includes({
    foo: 'bar',
    baz: 'quux'
  });

// to assert property value types i.e. date:
expect(result)

kerimdzhanov

Prerequisites

• A working Debian/Ubuntu Linux instance

Preparing the deployment server

After creating a VPS drop/node, login as root and update a newly installed system:

$ ssh root@12.34.56.78

kerimdzhanov

Example Usage

You need to have the following in your initialization file (index.js or redux/index.js):

...
import {createStore, combineReducers, applyMiddleware, compose} from 'redux';
import {entitiesReducer, queriesReducer} from 'redux-query';
import reduxQueryMiddleware from './middleware/reduxQuery';

kerimdzhanov

const chai = require('chai');

// globalize sinon
global.sinon = require('sinon');

// initialize chai plugins
chai.use(require('sinon-chai'));
chai.use(require('chai-as-promised'));
chai.use(require('chai-datetime'));

kerimdzhanov

/**
 * Executes a given `fn` at the beginning of the next second.
 * @param {function} fn – a function to execute
 * @return {number} setTimeout's resulting timeout id, to give ability to cancel execution
 */
function nextSecond(fn) {
  const time = (new Date()).getTime();
  return setTimeout(fn, (Math.ceil(time / 1000) * 1000) - time);
}

kerimdzhanov

 //http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
 Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);

kerimdzhanov

/**
 * Sum two big numbers given as strings.
 * 
 * @param {string} a
 * @param {string} b
 * @return {string}
 */
function sumStrings(a, b) {
  var zrx = /^0+/; // remove leading zeros
  a = a.replace(zrx, '').split('').reverse();

kerimdzhanov

const array = []; // array to iterate

const promise = array.reduce((p, entry) => {
  p.then(() => {
    return new Promise((resolve, reject) => {...});
  });
}, Promise.resolve());

promise
  .then(() => console.log('done!'))