anchnk

'use strict';

const { SinglyLinkedList, Node } = require('./../interview');

const assert = require('assert');

describe('SingleLinkedList.reverse', function() {
  let linkedList;

  beforeEach(() => {

anchnk

#!/usr/bin/env node

'use strict';

const f = new Map();
f.set('availpro:1', {id: 1, provider: 'availpro', name: 'Hotel du sentier', rating: 3}); // delete
f.set('synxis:2', {id: 2, provider: 'synxis', name: 'Hotel Opera', rating: 0});        // update
f.set('fastbooking:3', {id: 3, provider: 'fastbooking', name: 'Hotel Garnier', rating: 5}); // skip

const s = new Map();

anchnk

'use strict';

let neatCsv = require('neat-csv');
let { parseResponseToJson } = require('./neat-csv.js');

jest.mock('neat-csv', () =>
  jest.fn().mockRejectedValueOnce(new Error('Error while parsing'))
);

const csv = 'type;part\nunicorn;horn\nrainbow;pink';

anchnk

'use strict';

const neatCsv = require('neat-csv');

async function parseResponseToJson(apiResponse) {
  try {
    const result = await neatCsv(apiResponse.body, {
      separator: ';'
    });
    return result;

anchnk

Simple example that demonstrates how to test environment variables from Jest

describe('models/env unit tests', () => {
  function importTestedModule() {
    return require('../../../src').models; // eslint-disable-line
  }

  beforeEach(() => {
 jest.resetModules();

anchnk

Command to move files to Ubuntu trash for files older than:

find . -type f -name '*.txt' -mtime +7 -exec gio trash {} \;

Where:

• find .: search current folder
• -type f: limit search to files
• -name '*.txt*': limit search to files that have .txt extension
• -mtime +7: last modification date is >= 7 days

anchnk

Firefox Scratchpad that parse metrics from manning's dashboard:

function getElementsCount(attributeName) {
  return document.querySelectorAll(`#productTable > tbody > tr[${attributeName}=true]`).length;
}

var labelsMap = new Map([
  ['is-book', 'books'],
 ['is-meap', 'meaps'],

anchnk

JSON Data Manipulation

Format JSON

:%!python -m json.tool
:set ft=json
:%s/    /  /g

anchnk

#!/bin/sh

ls -pla | grep -v / | grep "^." | sort -k 5nr