Oana Rinaldi – Page 18 – Art of Coding

Real-Time Currency Converter with Java + OpenExchangeRates API

Real-Time Currency Converter with Java + OpenExchangeRates API Building a real-time currency converter is a practical Java project that illustrates how to consume third-party APIs, parse JSON data, and…

Oana Rinaldi December 8, 2025

Python

Python Script to Automatically Rename Bulk Images Using EXIF Data

Python Script to Automatically Rename Bulk Images Using EXIF Data Managing large sets of images can quickly become chaotic, especially when filenames like IMG_3412.JPG or DSC00095.JPG offer no useful…

Oana Rinaldi December 7, 2025

Java

Secure Password Validation in Java Using Regular Expressions

Secure Password Validation in Java Using Regular Expressions Creating secure password validation logic in modern applications is a critical step toward protecting user data. Weak passwords open doors to…

Oana Rinaldi December 6, 2025

Python

Automate Email Reports with Python and Gmail API

Automate Email Reports with Python and Gmail API Automating routine tasks like sending daily or weekly email reports can help reduce manual work and improve efficiency for developers and…

Oana Rinaldi December 5, 2025

JavaScript

Interactive Form Validation With Vanilla JavaScript Only

Interactive Form Validation With Vanilla JavaScript Only Form validation is one of the most important aspects of client-side development. While modern libraries like React or Vue offer form validation…

Oana Rinaldi December 4, 2025

JavaScript

Using JavaScript to Scrape Table Data from Any Web Page

Using JavaScript to Scrape Table Data from Any Web Page Web scraping is a powerful way to retrieve data without relying on APIs. Whether you're analyzing public data or…

Oana Rinaldi December 3, 2025

Python

Automate Your Inbox: Python Script to Organize Gmail with the API

Automate Your Inbox: Python Script to Organize Gmail with the API Is your inbox overflowing with updates, promotions, and unimportant emails? With a little Python and the Gmail API,…

Oana Rinaldi December 2, 2025

JavaScript

Functional JavaScript: Build a Compose Utility from Scratch

Functional JavaScript: Build a Compose Utility from Scratch Functional programming in JavaScript can drastically simplify your code by reducing side effects and enhancing composability. Whether you're transforming data or…

Oana Rinaldi December 1, 2025

Shell / Bash

Build a Bash Script that Monitors Disk Space and Sends Alerts

Build a Bash Script that Monitors Disk Space and Sends Alerts Server reliability is paramount in any production environment. A common cause of server issues is running out of…

Oana Rinaldi November 30, 2025

SQL

Efficient SQL: Deduplicate Rows Without Losing Data

Efficient SQL: Deduplicate Rows Without Losing Data Duplicates in your database can lead to bloated storage, inaccurate analytics, and unexpected behavior. But purging them blindly can mean losing valuable…

Oana Rinaldi November 29, 2025