String methods and regular expressions
Learn about the common string methods that are required to complete most of the easy Coderbyte challenges.
Modulo operation explained
Some examples of how to use the modulo operation for solving Coderbyte challenges.
Common array methods
Learn about the common array methods that are required to complete most of the easy Coderbyte challenges.
This question was taken from the Hack Reactor blog. This tutorial explains some common array functions and how to create and manipulate them.
Some common interview questions with topics such as decimal numbers, scope, private variables, and more.
Questions on closures
Functional Programming: map, reduce, and filter
Counting steps using recursion
A lecturer at Hack Reactor wrote that recursion is an important topic to understand when applying to the bootcamp, so this tutorial provides a simple example.
Determine overlapping numbers in ranges
Solution that explains how to determine the overlap between two number ranges.
Question and solution for sorting an array of 0's, 1's, and 2's in place and in linear time.
Find duplicates in an array using a hash table
A common interview question where your goal is to find all duplicates in an array in linear time.
Two sum problem
A popular interview question that requires you to determine if two numbers in an array sum to a specific value. A solution can be written that runs in linear time.
Subset sum problem
Important computer science question where the goal is to find a subset that sums to some number.
Stock maximum profit
Solution that explains how to calculate the maxiumum profit that could be made in a list of stock prices.
Generate all balanced bracket combinations
Interesting question that asks you to print all combinations of pairs of brackets.