Programming Tutorials

In 1991 a video game called Lemmings was released and by the time I started Elementary School, I was playing Lemmings. Fast-forward to 2026, after Ba

This article is a re-publication of Rei-AIOS Paper 108 for the dev.to community. The canonical version with full reference list is in the permanent a

A quiet shift is happening inside modern companies. It's not visible in dashboards. It's not tracked in logs. It's not approved by IT or security team

RubyGems.org published its first public roadmap this week. That's new, and it's worth noticing. I've written about Ruby Central governance before, an

Context: The "Vibe Coding" Evolution We are currently at v0.10.20. Looking back at the last post, we were celebrating the FinOps module. Si

Enormous amounts of data are constantly generated on the open web. Product prices change, job listings go live and get taken down, news articles are p

The Cloud Bill That Didn’t Make Sense In the mid-2000s, Java was considered a heavyweight. A ravenous monster devouring all available hardw

While working on my project Finovara, I recently implemented a flexible notification system that reacts to user actions — like reaching a savings goal

If you need fast, content-based retrieval of large amounts of documents, your best option is to use a full-text indexer. Popular solutions like Elasti

@Restcontrolleradvice ** A convenience annotation that combines @ControllerAdvice and @ResponseBody. It is designed for RESTful APIs where the return

You know your LLM bill is higher than it should be. You can see total spend and total tokens in the OpenAI dashboard. What you can't see: how many of

You know that sinking feeling when a Spring Boot API crashes in production, and the logs are just a wall of stack traces? You dig around, tweak config

Static A static member (variable or method) belongs to the class itself, not to individual objects. A static method in Java is associated

Today was a practical + tools-focused day 🔥 Instead of only coding, I explored the developer ecosystem — the tools that actually make coding faster

Today I started building a Smart Reconciliation and Audit System , a real enterprise grade project that companies use to match uploaded financial tran

Every developer eventually runs into a slow query. The table has grown from a few hundred rows to a few million, and what used to take milliseconds no

3488. Closest Equal Element Queries Difficulty: Medium Topics: Senior, Array, Hash Table, Binary Search, Weekly Contest 441 You are given a circula

Scarab was built to allow people with no programming or statistical language experience analyze their data. It produces code snippets for those that w

Memberships That Match Your Store's Rhythm Most membership plugins force you into a new routine. This one adapts to yours. The plan editor

Myth 1: 'External Invoicing Tools Are More Professional' Store owners often default to standalone tools like QuickBooks or Xero for invoici