Oana Rinaldi – Page 23 – Art of Coding

Build a Currency Converter Using Fetch API and Exchange Rates

Build a Currency Converter Using Fetch API and Exchange Rates Creating a real-time currency converter is an excellent way to deepen your understanding of JavaScript, APIs, and user interface…

Oana Rinaldi August 30, 2025

Python

Clean Up Messy CSVs Using Pandas: A Real-World Data Wrangling Guide

Clean Up Messy CSVs Using Pandas: A Real-World Data Wrangling Guide CSV files are often the go-to format for storing and sharing tabular data, but when working with real-world…

Oana Rinaldi August 29, 2025

JavaScript

JavaScript Throttling vs Debouncing: See It Live with Scroll Events

JavaScript Throttling vs Debouncing: See It Live with Scroll Events Understanding the difference between throttling and debouncing is crucial when dealing with high-frequency events like scrolling, resizing, or keypresses.…

Oana Rinaldi August 28, 2025

Java

Build a URL Shortener in Java Using Servlets

Build a URL Shortener in Java Using Servlets URL shorteners are ubiquitous in modern web applications, useful for creating concise, shareable links while logging traffic and managing redirection logic.…

Oana Rinaldi August 27, 2025

Shell / Bash

$PATH Demystified: Add Your Scripts to Bash Path Like a DevOps Engineer

$PATH Demystified: Add Your Scripts to Bash Path Like a DevOps Engineer The $PATH environment variable is one of the most crucial, yet underappreciated, parts of a Unix-like operating…

Oana Rinaldi August 26, 2025

Shell / Bash

Create a CLI Tool to Monitor System Health Using Bash

Create a CLI Tool to Monitor System Health Using Bash Monitoring system health doesn’t always require elaborate dashboards or third-party tools. With a few lines of Bash, you can…

Oana Rinaldi August 25, 2025

Java

Java Regex Recipes for Everyday Text Cleanup

Java Regex Recipes for Everyday Text Cleanup Regular expressions (regex) are a powerful tool for textual data transformation and validation. In Java, the java.util.regex package provides robust support for…

Oana Rinaldi August 24, 2025

JavaScript

From CSV to JSON: A Node.js Utility You Can Reuse Anywhere

From CSV to JSON: A Node.js Utility You Can Reuse Anywhere CSV (Comma-Separated Values) is a widely used data format for tabular data, but for modern web applications, JSON…

Oana Rinaldi August 23, 2025

JavaScript

JavaScript Debounce Function Explained with Real UX Fixes

JavaScript Debounce Function Explained with Real UX Fixes When users type in a search input, their keystrokes can trigger a flurry of API calls — resulting in laggy interfaces,…

Oana Rinaldi August 22, 2025

SQL

Mastering SQL Window Functions for Financial Analytics

Mastering SQL Window Functions for Financial Analytics SQL window functions have become an indispensable tool for data analysts working in finance. Whether you’re analyzing stock prices, transaction logs, or…

Oana Rinaldi August 21, 2025