Oana Rinaldi – Page 6 – Art of Coding

(Ab)Using CSS Variables from JavaScript Dynamically

(Ab)Using CSS Variables from JavaScript Dynamically CSS variables (also known as custom properties) are one of the most powerful additions to CSS in recent years. But when JavaScript enters…

Oana Rinaldi August 14, 2025

Shell / Bash

Stream Real-Time Logs Across Systems Using Netcat and Bash

Stream Real-Time Logs Across Systems Using Netcat and Bash Real-time log streaming is a fundamental need for many system administrators, developers, and DevOps engineers tasked with monitoring and debugging…

Oana Rinaldi August 13, 2025

Python

Using Python’s difflib to Build a Simple ‘Track Changes’ Tool

Using Python's difflib to Build a Simple ‘Track Changes’ Tool Comparison is at the heart of version control, document editing, and config management. Whether you're reviewing law contracts or…

Oana Rinaldi August 12, 2025

Python

Create Your Own URL Shortener Using Flask and SQLite

Create Your Own URL Shortener Using Flask and SQLite Creating a URL shortener from scratch is a fantastic way to strengthen your Flask and SQLite skills. In this guide,…

Oana Rinaldi August 11, 2025

JavaScript

[JS] Count Word Frequency Live as You Type (No Libraries)

[JS] Count Word Frequency Live as You Type (No Libraries) Building small utility tools in pure JavaScript is a great way to reinforce your understanding of browser APIs, DOM…

Oana Rinaldi August 10, 2025

Python

Build a Stock Tracker Email Bot in Python Using YFinance & smtplib

Build a Stock Tracker Email Bot in Python Using YFinance & smtplib Monitoring stock prices manually each day can be tedious and prone to oversight. In this tutorial, we'll…

Oana Rinaldi August 9, 2025

Java

Recursive File Search with Java: Build Your Own ‘find’ Utility

Recursive File Search with Java: Build Your Own 'find' Utility The Unix find command is a powerful tool for navigating complex directories and retrieving files based on extensions, name…

Oana Rinaldi August 8, 2025

JavaScript

Build an Auto-Responder Bot Using JavaScript and Gmail API

Build an Auto-Responder Bot Using JavaScript and Gmail API Automating your inbox can save countless hours, particularly if you're drowning in support tickets, freelance inquiries, or client follow-ups. In…

Oana Rinaldi August 7, 2025

JavaScript

#100DaysOfCode Tracker Built With HTML5 LocalStorage + JS Only

#100DaysOfCode Tracker Built With HTML5 LocalStorage + JS Only If you're on a mission to complete the #100DaysOfCode challenge, tracking your daily progress is essential. But what if you…

Oana Rinaldi August 6, 2025

SQL

“Find Missing Integers” Problem Solved with SQL Anti Joins

"Find Missing Integers" Problem Solved with SQL Anti Joins When comparing two datasets—such as an expected sequence of IDs vs. actual records in a table—it’s common to need to…

Oana Rinaldi August 5, 2025