Oana Rinaldi – Page 15 – Art of Coding

Create a PDF Report Generator in Python Using ReportLab

Create a PDF Report Generator in Python Using ReportLab Generating professionally styled PDF reports is a common requirement for business applications, data dashboards, and automation workflows. Python’s ReportLab library…

Oana Rinaldi December 17, 2025

Java

Java Automation: Auto-Login to Web Pages Using Selenium

Java Automation: Auto-Login to Web Pages Using Selenium Automating login processes in web applications is a common requirement for tasks such as testing, data scraping, or monitoring dashboards that…

Oana Rinaldi December 16, 2025

JavaScript

Scrape Job Listings with Node.js and Cheerio

Scrape Job Listings with Node.js and Cheerio Web scraping offers immense value when it comes to automating data collection for personal or professional projects. Imagine being able to extract…

Oana Rinaldi December 15, 2025

Java

Java Stream API: Grouping Employees by Department Example

Java Stream API: Grouping Employees by Department Example One of the most powerful features introduced in Java 8 was the Stream API. It brought a functional programming flavor to…

Oana Rinaldi December 14, 2025

Shell / Bash

@CronMaster3000: Schedule Daily Reports via Bash + crontab + SQL

@CronMaster3000: Schedule Daily Reports via Bash + crontab + SQL In a world overflowing with data, automating daily reporting is no longer just nice-to-have—it's a must. Thankfully, with a…

Oana Rinaldi December 13, 2025

SQL

SQL Window Functions for Time-Based Event Tracking

SQL Window Functions for Time-Based Event Tracking Tracking user behavior or system events over time is a core requirement in analytics, monitoring, and debugging. Fortunately, SQL window functions are…

Oana Rinaldi December 12, 2025

Shell / Bash

Regex-Powered Log Parser in Bash: Extract Meaningful Metrics from Server Logs

Regex-Powered Log Parser in Bash: Extract Meaningful Metrics from Server Logs Log files aren’t just mountains of text — they’re full of insights waiting to be discovered. Whether you’re…

Oana Rinaldi December 11, 2025

Java

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