I’ll admit it, I’ve got the bluegrass bug. This is nothing new, but coming straight off of an incredible couple days of bluegrass and Billy Strings shows in Asheville, NC this past weekend, the genre ...

// Deepak and Gautam are having a discussion on a new type of number that they call Coding Blocks Number or CB Number. They use following criteria to define a CB Number. // 0 and 1 are not a CB number ...

Java gives you the ability to dynamically create strings. Even after you set the string value, you can add more characters to the string value throughout the code. This process lets you build a string ...

Given a binary tree, return the values of its boundary in anti-clockwise direction starting from root. Boundary includes left boundary, leaves, and right boundary in order without duplicate nodes.