Java’s Algorithm of Checking if Error is of Type (Error Inheritance Tree)
Java’s errors are usually handled via Exceptions – where you declare exceptions to throw. Then you throw as much as you can and only catch them when you know …
Teaching Kids Programming – Sudoku Validator/Algorithm using 27 Hash Sets
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 …
How to Exit Your Background Process that Takes Too Long to Run using NodeJs?
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 …
How to Truncate a String in PHP?
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 – Subtree with Maximum Value via Recursive Depth First Search Algorithm
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 – Reverse a Graph (Adjacency List)
April 16, 2021
algorithms, data structure, graph, python, teaching kids programming, youtube video
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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 …