Teaching Kids Programming: Videos on Data Structures and Algorithms Sudoku is a puzzle where you’re given a 9 by 9 grid with digits. The objective is to fill the …
I have a long running application that I configure it in cronjob to run every 12 minutes. As it listens to the blockchain for transactions, sometimes it takes more …
The following is a PHP Function that allows us to truncate a string (and optionally appended with suffix e.g. dots) if the length exceeded the threshold. Otherwise, the function …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return the maximum sum of a subtree. A subtree is defined to be some node …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a directed graph represented as an adjacency list, return its reverse so if an edge goes from A to …
e (Euler’s number) is a mathematical constant that is the value of when n is approaching infinity. Alternatively, it can be expressed as when t is approaching zero. It …