Companies like Google and Facebook like to ask prospective job candidates to tackle the two-sum problem. This primer will help you learn how to handle it.
Ruby on Rails has long been a staple for building web applications, but JavaScript’s flexibility has made it the go-to programming language. Here’s why it’s time to make the switch.
Optimizing SQL for large data sets is an important step in managing the performance of your database. Follow these best practices to achieve faster data retrieval and efficiency.
There are several ways to get the last element of an array including length property and square bracket notation, slice() method and pop() method. Here are nine methods to try.
Two’s complement is a mathematical operation on binary numbers used to signify positive or negative integers. Learn how it works and the formula behind it.
