Oana Rinaldi – Page 5 – Art of Coding

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

Python

Parsing Complex Logs into Insights with Python and Regex

Parsing Complex Logs into Insights with Python and Regex Logs are the pulse of any software system, devops toolchain, or backend app. Buried within those multiline log files are…

Oana Rinaldi November 16, 2025

JavaScript

Design a Simple Rate Limiter Using Redis and Node.js

Design a Simple Rate Limiter Using Redis and Node.js Rate limiting is a crucial technique for controlling traffic to your APIs and protecting your application from abuse, DDoS attacks,…

Oana Rinaldi November 15, 2025

JavaScript

How Async/Await Works under the Hood in JavaScript

How Async/Await Works under the Hood in JavaScript Async/await has made asynchronous programming in JavaScript more readable and expressive. But have you ever wondered how it actually works under…

Oana Rinaldi November 14, 2025

Python

Data Cleaning with Pandas: Fixing Messy CSVs Step-by-Step

Data Cleaning with Pandas: Fixing Messy CSVs Step-by-Step If you've spent any time working with real-world data, you already know: it's rarely clean. Broken formats, missing values, inconsistent naming,…

Oana Rinaldi November 12, 2025

JavaScript

Web Scraping with Cheerio.js: Extract Job Listings into CSV

Web Scraping with Cheerio.js: Extract Job Listings into CSV Web scraping has become an essential tool for gathering data from websites for analysis, automation, or reporting. In this tutorial,…

Oana Rinaldi November 11, 2025