Oana Rinaldi – Page 25 – Art of Coding

[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

Shell / Bash

Automate Your Git Commits with a Bash Script

Automate Your Git Commits with a Bash Script If you're working in a fast-paced development environment, constantly adding, committing, and pushing changes to Git can become a repetitive task.…

Oana Rinaldi August 4, 2025

Java

Create a RESTful API in Java with Spring Boot in Under 15 Minutes

Create a RESTful API in Java with Spring Boot in Under 15 Minutes Spring Boot has revolutionized Java development by simplifying the configuration and setup process. In this tutorial,…

Oana Rinaldi August 3, 2025

JavaScript

“Instant Checkout” Button in Vanilla JS + Fetch API

"Instant Checkout" Button in Vanilla JS + Fetch API Creating seamless and fast user experiences is crucial in modern web development—especially in e-commerce. The "Instant Checkout" button is a…

Oana Rinaldi August 2, 2025

JavaScript

Algorithm Deep Dive: Sliding Window in JavaScript for Subarray Sums

Algorithm Deep Dive: Sliding Window in JavaScript for Subarray Sums When working with arrays and number sequences in JavaScript, you often encounter problems that require analyzing or summing up…

Oana Rinaldi August 1, 2025