Oana Rinaldi – Page 3 – Art of Coding

Mastering Debounce in JavaScript: Build a Custom Hook Without Libraries

Mastering Debounce in JavaScript: Build a Custom Hook Without Libraries Handling user input effectively in modern web apps is critical to maintaining a responsive and performant UI. When users…

Oana Rinaldi February 16, 2026

Shell / Bash

Crawl Websites in Bash: Lightweight Link Extractor with curl & grep

Crawl Websites in Bash: Lightweight Link Extractor with curl & grep If you've ever wanted to explore webpages programmatically without relying on heavyweight tools or libraries, Bash can be…

Oana Rinaldi February 15, 2026

Java

Implement the Dijkstra Algorithm in Java from Scratch

Implement the Dijkstra Algorithm in Java from Scratch Dijkstra’s Algorithm is one of the most fundamental and widely used graph algorithms for finding the shortest path from a single…

Oana Rinaldi February 14, 2026

Shell / Bash

Generate Strong Passwords Securely Using OpenSSL + Bash

Generate Strong Passwords Securely Using OpenSSL + Bash Strong passwords are a fundamental pillar of cybersecurity hygiene, especially when you're automating scripts, working with APIs, or building web applications.…

Oana Rinaldi February 13, 2026

Python

Build a GitHub Issues Dashboard with Python and Flask

Build a GitHub Issues Dashboard with Python and Flask Want to track issues across your GitHub repositories in one place? In this tutorial, we’ll walk through how to build…

Oana Rinaldi February 12, 2026

Python

Scrape Any Website with BeautifulSoup and Python Requests

Scrape Any Website with BeautifulSoup and Python Requests Web scraping is a powerful tool for developers who want to automate data collection from web pages. Whether you're building a…

Oana Rinaldi February 11, 2026

Shell / Bash

Automate Repetitive File Renaming Tasks with Bash Scripts

Automate Repetitive File Renaming Tasks with Bash Scripts Renaming multiple files manually can be time-consuming, repetitive, and error-prone—especially when working with logs, image files, or downloads that follow inconsistent…

Oana Rinaldi February 10, 2026

Python

Automate GitHub Issue Reporting with Python and REST APIs

Automate GitHub Issue Reporting with Python and REST APIs Manually creating GitHub issues based on error logs or monitoring tools is time-consuming and error-prone. Fortunately, GitHub’s REST API combined…

Oana Rinaldi February 9, 2026

JavaScript

Real-Time Form Validation with JavaScript and Regex

Real-Time Form Validation with JavaScript and Regex Real-time form validation is a cornerstone of modern web user experience. Instead of waiting until form submission, users receive immediate feedback on…

Oana Rinaldi February 8, 2026

Databases

‘SELECT *’ is (Still) Killing Your DB: Write Safer SQL Queries with Code Samples

'SELECT *' is (Still) Killing Your DB: Write Safer SQL Queries with Code Samples Stop using SELECT * in your queries—you're silently sabotaging your database performance. Whether you're optimizing…

Oana Rinaldi February 7, 2026