Stories by Linda Vivah on Medium — programming

Learn How to Read Binary in 5 minutes

Linda Haviv

Tags binary, coding, programming

via GIPHY

 

What is Binary?

  • Binary is nothing more than a System of Counting
  • Everything in a computer’s brain comes down 0’s & 1’s
  • Binary existed before computers
  • Binary is an ON or OFF counting system, all or nothing. ‘1’ represents ON, ‘0’ represents OFF.
  • Because each digit in binary can have 2 values, the base is 2 (see the example below for...

ALL ABOUT JAVASCRIPT HOISTING

Linda Haviv

Tags javascript, programming

So, you want to understand Javascript well, eh? You are in the right place. Variable scope and variable hoisting are important concepts in Javascript.

…Hence, it is no surprise that “hoisting” is asked about often during interviews.

In this article, I will cover the following concepts:

  1. SCOPE

2. BLOCK SCOPE vs. FUNCTION SCOPE

3. SCOPE CHAIN

4....


THE BEGINNER’S GUIDE: Scraping in Ruby Cheat Sheet

Linda Haviv

Tags programming, ruby, web-scraping

Web scraping is so cool but if you have never done it before you may not know where to begin… not to worry! The following is a beginner’s guide to web scraping in Ruby.

When I was first introduced to data scraping, I was super excited to give it a try. I had so many ideas of pages I wanted to scrape data from… but as I sat at home with my EXTRA LARGE cup of coffee, I didn’t really know where to...