In this article I am going to discuss one of the most frequently asked topics in competitive programming, Range queries and Updates. Often, we encounter such a problem that we need to answer some queries over segments or intervals.
Source: Understanding Range Queries and Updates: Segment Tree, Lazy Propagation and MO’s Algorithm, an article by Prince Kumar.
A simple explanation of how they work and how to implement one from scratch in Python.
Source: Machine Learning for Beginners: An Introduction to Neural Networks, an article by Victor Zhou.
Constants can be confusing and easy to misuse in Go if you are coming from an untyped language. Let’s take a look at some of the nuanced details of how they work in Go. It’s probably unsurprising, but Go’s constants are almost nothing like JavaScript’s bastardized version of the concept.
Source: The Nuances of Constants in Go; Go Isn't JavaScript, an article by Lane Wagner.