We’ve just added three-brand new computer science topics to Interview Practice! Get ready to dive deep on Graphs, Trees: Advanced, and RegEx. We’ve added these topics to our Extra Credit learning plan, which covers all of the topics
You asked, and we listened! Over the past few weeks, we’ve added support for 14 more programming languages to the CodeSignal platform. The new languages on CodeSignal are: C Clojure CoffeeScript Common Lisp D Elixir
Hash tables are a must-know data structure for technical interviews. They’re used to store unordered collections of (key, value)pairs, in which the key must be unique. Item lookup by key, inserting a new item, or deleting an
Check out the Beautiful JavaScript challenge on CodeSignal! You must submit your solution by noon on July 26. See the Official Rules at the end of this post for more details. At CodeSignal, we heart JavaScript. A
You know that you need to prepare for technical interviews – right? Of course you do! Companies rely on technical interviews to weed out people who can’t cut it. And for qualified candidates, they’re used to
This week’s Interview Practice Task of the Week is houseRobber, a technical interview question that’s been asked at LinkedIn. In this challenge, we’re asked to assist a robber in stealing from houses. Not something that
Time to call 1-800-CODEFIGHTS (that’s 1-800-2633344487)! Given a number, your job is to find all the possible strings that the number could represent on a telephone’s number pad. This week’s Interview Practice Task of the
If you’re already working as a software engineer, you might think that you don’t need to do any preparation for your next technical interview. Maybe you write C++ that’s pure poetry, or perhaps your SQL
Our latest Interview Practice Task of the Week was chessQueen, which has been asked in technical interviews at Adobe. This question might seem fairly easy at first: Given the location of a queen piece on
If you were a small business owner and someone offered you a free billboard on the freeway, you’d take it in a heartbeat, right? Free advertising in a high traffic area! That’s a no-brainer –
