Programming Tutorials

Your Rails Transaction Rolled Back. What Happened to the API Call, Email, or Job?

Four production systems, 18 user roles, around 460 candidates, deadline queues, and video lessons for up to 100 participants — what made NestJS a fit,

RepoDNA v1.4.0: An Original Logo, Branded Startup, and Reliability Improvements RepoDNA v1.4.0 is now available. This release represents a

Java devs — RagLeap is now native Java, on Maven Central! No Python service needed anymore. Links Maven Central: ragleap-rag: https://c

We are told that to scale Ruby background workloads across multiple CPU cores, we have two choices: process forking (e.g., Pitchfork) which incurs mas

Hi, I'm Devendra. I've spent the last few years doing DevOps: CI/CD pipelines, cloud infra, containers, Terraform. Most of my work has been making oth

A request for an isolated security-lab simulation can fit an internal research assistant and still fall outside a public customer-support assistant's

EyeZen v1.1.1: Bringing Screen Comfort to Multiple Monitors EyeZen v1.1.1 is now available on GitHub. This release focuses on an important

Most ELK + Spring Boot tutorials I found had one of these problems: Built for older Spring Boot versions Missing Elasticsearch security setup Ignore

Your test suite doesn't have to wait for production to meet Kotlin. If you're working on a Java Spring Boot project, you can start writing Kotlin test

Son las 3:15 AM de una guardia de producción. Te conectas por SSH a un nodo de Oracle RAC en Oracle Linux porque ha saltado una alerta crítica. En cue

OpenSparrow v4.2 adds native Excel export, column masking for viewers, and record‑tooltips in drilldowns — plus a handful of UI polish and stability f

Three agents on one checkout fight over branches, node_modules, ports and the dev database. agentbox is a small open-source Go tool: agentbox new feat

When engineering fintech and access control infrastructure for large-scale physical events, standard cloud architectures eventually hit a hard physica

Refactoring a Laravel API Controller to Reuse AppBaseController Response Helpers When building APIs in Laravel, it's easy to create a contr

Custom REST API Development: Cost, Process, and How to Hire the Right Developer Every few months, a business owner messages me with the sam

Our on-call team keeps a small internal notes API. The web app in front of it shows who's holding the pager, which days are frozen for deploys, and wh

There's a conversation that happens in most engineering teams,maybe usually too late. Think of this, a feature ships to production. A security review

The plugin does the indexing. The hooks are what let you do something with it. Here's how I used them to build a real feature I didn't want to hardcod

At some point, a map project needs more than markers and polygons. You want something to happen on the map: water moving up a street, smoke drifting w