artyomtrityak

Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

artyomtrityak

/*
 * Selenium WebDriver JavaScript test with Mocha and NodeJS
 * 
 * Start with: SELENIUM=PATH_TO_SELENIUM_JAR/selenium-server-standalone-2.31.0.jar mocha -t 10000 -R list google-sample.js
 * 
 * Download selenium-server-standalone-2.31.0.jar from https://selenium.googlecode.com/files/selenium-server-standalone-2.31.0.jar
 * 'sudo su' and 'npm install -g colors mocha selenium-webdriver'
 * 
 * http://visionmedia.github.io/mocha/
 * https://code.google.com/p/selenium/wiki/WebDriverJs

artyomtrityak

import React from 'react';
import Relay from 'react-relay';

const pageSize = 2;

class Content extends React.Component {

  componentWillMount() {
    this.hasNextPage = this.props.user.next ? this.props.user.next.pageInfo.hasNextPage : false;
    this.hasPreviousPage = this.props.user.prev ? this.props.user.prev.pageInfo.hasPreviousPage : false;

artyomtrityak

import Relay, {
  RootContainer,
  Route
} from 'react-relay'

class SeasonRoute extends Route {
  static paramDefinitions = {};
  
  static queries = {
    currentSeason: () => Relay.QL`query { currentSeason }`,