Art of Coding – Art of Coding

Mastering SQL Window Functions with Real Sales Data

Mastering SQL Window Functions with Real Sales Data IntroductionSQL window functions are among the most powerful tools available for data analysts and developers. They allow you to perform complex…

Oana Rinaldi May 2, 2026

JavaScript

Real-Time Data Visualization in JavaScript with Chart.js

Real-Time Data Visualization in JavaScript with Chart.js IntroductionData visualization plays a key role in modern web applications. Whether you’re building analytics dashboards, IoT monitoring tools, or financial trading interfaces,…

Oana Rinaldi May 1, 2026

Automation Scripts

Automate Your Daily Reports with a Python Email Bot

Automate Your Daily Reports with a Python Email Bot IntroductionManually creating and sending daily reports can quickly become a repetitive task — especially if your reports rely on CSV…

Oana Rinaldi April 30, 2026

Python

Integrating External APIs in Python Projects Made Easy

Integrating External APIs in Python Projects Made Easy IntroductionIn modern software development, APIs (Application Programming Interfaces) are the invisible glue that connect systems together. Whether you're pulling weather data,…

Oana Rinaldi April 29, 2026

SQL

SQL Window Functions Explained by Example

SQL Window Functions Explained by Example IntroductionSQL window functions are among the most powerful tools in modern SQL. They allow developers to perform calculations across sets of rows that…

Oana Rinaldi April 28, 2026

Java

Optimizing Java Loops: Small Changes That Make Big Differences

Optimizing Java Loops: Small Changes That Make Big Differences Introduction: Looping is at the heart of most Java applications, from simple data processing to high-performance systems. While Java provides…

Oana Rinaldi April 27, 2026

JavaScript

Consuming GraphQL APIs Smoothly with JavaScript Fetch

Consuming GraphQL APIs Smoothly with JavaScript Fetch GraphQL has revolutionized how modern applications fetch and manage data. Rather than dealing with multiple REST endpoints, a single GraphQL endpoint can…

Oana Rinaldi April 26, 2026

SQL

Optimizing SQL Queries: Index Use Cases You Can Actually See

Optimizing SQL Queries: Index Use Cases You Can Actually See IntroductionIndexes are among the most powerful tools for improving database performance. Yet, many developers don’t fully grasp how much…

Oana Rinaldi April 25, 2026

Shell / Bash

Batch Rename Utility in Bash Using Loops

Batch Rename Utility in Bash Using Loops IntroductionRenaming multiple files manually is tedious and error-prone — especially when dealing with large sets of images, logs, or exported data. Bash…

Oana Rinaldi April 24, 2026

Java

Sorting Beyond the Basics: Implementing Merge Sort in Java

Sorting Beyond the Basics: Implementing Merge Sort in Java Sorting Beyond the Basics: Implementing Merge Sort in JavaSorting algorithms form the foundation of efficient data processing in software development.…

Oana Rinaldi April 17, 2026