This is just about functional programming, not about distributed systems MapReduce — The aim of this page📝is to explain the combination of Python’s map() and reduce() functions, typical for functional programming. Pedagogically, I am grateful to the authors of PEP 484 – Type Hints as it makes the points made in code examples more understandable. There are 4 ingredients in this technique…

Footnotes under the Solution of Leetcode — 1299. Replace Elements with Greatest Element on Right Side — The aim of this page📝is to provide a commentary on the solution of a puzzle from Leetcode — 1299. Replace Elements with Greatest Element on Right Side — LeetCode Given an array arr, replace every element in that array with the greatest element among the elements to its right, and…

The aim of this page📝is to learn from 1346. Check If N and Its Double Exist. Given an array arr of integers, check if there exists two integers N and M such that N is the double of M ( i.e. N = 2 * M). Example 1: Input: arr =…

The aim of this page📝is to document the reduce() from the standard functools Python library. Reduce is a standard technique within functional programming - in other languages, it is known as fold or accumulate and typically combined with map and filter as brilliantly illustrated by prof. …

27. Remove Element — LeetCode — The aim of this page📝is to make notes around 27. Remove Element — LeetCode Puzzle. My solution is extremely wordy, as I wanted to list all 4 combinations. This puzzle is a nice example of tuple unpacking and the accompanying value swapping within a Python list. 1. ASSIGNMENT Given an integer array…

The aim of this tutorial🔍 is to cover the subject of Tuple Unpacking in Python, defined as Destructuring operation unpacking data structures into named references To decrypt the definition, look for types and examples below. …

The aim of this page📝is to document the general higher-order function filter() in Python 1. DEFINITION filter() passes each element of an input collection into a specific, filtering function it returns a new iterable object of type of the filtering function it returns only those elements of the input collection which the…

Fast text/markdown grabbing with syntax highlighting🔗 — The aim of this page📝 is to show how to use the Vim editor to quickly read a file from within a terminal — because opening a workspace within Visual Studio Code is way too slow for volume-heavy spaces. Please note that for the moment, I only need to read…