2025 – Page 5 – Art of Coding

(Re)Implement Merge Sort in Python Step-by-Step With Visual Diagrams

(Re)Implement Merge Sort in Python Step-by-Step With Visual Diagrams Merge sort is one of the most elegant sorting algorithms you'll encounter. Based on the divide-and-conquer paradigm, it's not only…

Oana Rinaldi November 4, 2025

JavaScript

Debounce vs Throttle: Interactive Search Bar Demo in JavaScript

Debounce vs Throttle: Interactive Search Bar Demo in JavaScript In modern web development, user experience is everything — especially when it comes to responsive UI elements like search bars.…

Oana Rinaldi November 3, 2025

Sorting Algorithms

Implement QuickSort from Scratch in JavaScript

Implement QuickSort from Scratch in JavaScript QuickSort is a fundamental algorithm widely used in the real world due to its efficiency and elegant use of recursion and partitioning. Understanding…

Oana Rinaldi November 2, 2025

Shell / Bash

Sort Large CSV Files by Column Without Loading into Memory (Bash + awk)

Sort Large CSV Files by Column Without Loading into Memory (Bash + awk) Handling large CSV files that don’t fit into memory can be a challenge, especially when we…

Oana Rinaldi November 1, 2025

JavaScript

Monitor Website Uptime With Node.js and Discord Alerts

Monitor Website Uptime With Node.js and Discord Alerts Ensuring your website stays up and available is a critical part of maintaining a reliable user experience. While there are many…

Oana Rinaldi October 31, 2025

SQL

‘SELECT *’ is Lazy—Write Safer Dynamic Queries in SQL Using Parameters

'SELECT *' is Lazy—Write Safer Dynamic Queries in SQL Using Parameters One of the most common mistakes developers make when working with SQL is using SELECT * indiscriminately and…

Oana Rinaldi October 30, 2025

JavaScript

Implement Dijkstra’s Algorithm in JavaScript for Route Planning

Implement Dijkstra’s Algorithm in JavaScript for Route Planning Dijkstra’s algorithm is a cornerstone in graph theory that helps find the shortest path between nodes in a graph. Whether you're…

Oana Rinaldi October 29, 2025

JavaScript

Real-Time Form Validation in Vanilla JavaScript

Real-Time Form Validation in Vanilla JavaScript Form validation is a fundamental part of building user-friendly and secure web applications. While libraries like jQuery used to be the go-to solution,…

Oana Rinaldi October 28, 2025

Shell / Bash

Build a Bash Script to Monitor Disk Usage and Send Alerts

Build a Bash Script to Monitor Disk Usage and Send Alerts System administrators and DevOps engineers often need an efficient way to monitor disk usage across servers. Manual checking…

Oana Rinaldi October 27, 2025

SQL

SQL Window Functions Demystified with Real Sales Data

SQL Window Functions Demystified with Real Sales Data SQL window functions are an underrated powerhouse for data manipulation, especially in analytics and reporting. When working with e-commerce data —…

Oana Rinaldi October 26, 2025