Oana Rinaldi – Art of Coding

Building a Personal Finance Tracker with SQLite and Python

Building a Personal Finance Tracker with SQLite and Python IntroductionKeeping track of personal expenses is essential for financial health, and Python makes it easy to build your own custom…

Oana Rinaldi March 15, 2026

Automation Scripts

Image Resizing Automation with Python PIL

Image Resizing Automation with Python PIL IntroductionAutomating repetitive image tasks can save hours of manual work, especially for photographers, web developers, or marketing teams that manage large media libraries.…

Oana Rinaldi March 14, 2026

Python

Flattening Nested JSON Objects in Python for Data Analysis

Flattening Nested JSON Objects in Python for Data Analysis IntroductionJSON, or JavaScript Object Notation, is one of the most common data formats used in APIs, configuration files, and data…

Oana Rinaldi March 13, 2026

Shell / Bash

Scheduling Repetitive Tasks Using Cron and Bash

Scheduling Repetitive Tasks Using Cron and Bash IntroductionAutomation is at the core of modern system administration and software operations. Repetitive tasks, such as database backups, log cleanup, and temporary…

Oana Rinaldi March 12, 2026

Automation Scripts

Automate Your File Organization with Python

Automate Your File Organization with Python IntroductionWe all know the pain of a cluttered downloads folder. Files pile up, making it nearly impossible to find what you need. Fortunately,…

Oana Rinaldi March 11, 2026

Graph Theory

Visualizing Graph Traversal: DFS vs. BFS in Python

Visualizing Graph Traversal: DFS vs. BFS in Python IntroductionGraphs are powerful data structures that model relationships among interconnected elements—think of social networks, recommendation systems, or network routing maps. Traversing…

Oana Rinaldi March 10, 2026

Python

Regex-Powered Text Extraction: From Logs to Insights

Regex-Powered Text Extraction: From Logs to Insights IntroductionIn the world of system administration and software engineering, log files and configuration data are treasure troves of insights — but only…

Oana Rinaldi March 9, 2026

JavaScript

Mastering Async JavaScript: Build an API Data Aggregator

Mastering Async JavaScript: Build an API Data Aggregator Introduction: In modern web development, working with multiple APIs simultaneously is a common pattern — whether for building dashboards, aggregating data…

Oana Rinaldi March 8, 2026

Shell / Bash

Bash Power Moves: A One-Liner for Automated Log Cleanup

Bash Power Moves: A One-Liner for Automated Log Cleanup Introduction: Log files are essential for debugging, monitoring, and auditing — but if left unchecked, they can easily balloon in…

Oana Rinaldi March 7, 2026

Shell / Bash

Use Bash to Monitor and Restart Crashed Services Automatically

Use Bash to Monitor and Restart Crashed Services Automatically IntroductionIn production environments, even the most stable services can fail unexpectedly. Maintaining uptime often requires an automated solution that monitors…

Oana Rinaldi March 5, 2026