A practical walkthrough of hierarchical folder permissions, restriction-only inheritance, multi-principal evaluation, and explainable authorization — built with Spring WebFlux and React. The problem Most people understand file permissions intuitively: If I can read Finance, I should be able to read what’s inside it — unless someone deliberately locked a subfolder down.
Introduction : Document upload is a common requirement in modern applications. In a multi-tenant application, document storage also needs to maintain proper separation between tenants, users, and system-level documents. In our application, we use Spring Boot, Kotlin, MongoDB, and Nextcloud to manage documents. During tenant registration, document-storage information such as the
Introduction After successfully installing Zsh, the next step is often installing Oh My Zsh. Oh My Zsh is a popular open-source framework for managing Zsh configurations. It simplifies customization by providing themes, plugins, aliases, and useful productivity features without requiring extensive manual configuration. This guide explains the prerequisites, installation process,
A simple beginner-friendly guide to Advanced Product Quality Planning (APQP) in the automotive industry with examples, flow diagrams, and easy explanations. Imagine you want to build the best toy car ever for your friends. Would you start cutting plastic and gluing wheels together immediately? Probably not. You would first: * Think
Learn how to design, analyze, and improve a business using the Business Model Canvas (BMC) framework. This guide explains each of the nine building blocks with a practical QMS (Quality Management System) Issue Management Platform example. What is a Business Model Canvas? A Business Model Canvas (BMC) is a one-page
Before deciding whether to build software internally or purchase an existing solution, organizations should first understand which part of the business the software supports. The answer is not purely technical—it is a strategic business decision. Introduction: Why Build vs Buy Matters Every organization eventually faces the question: Should we
Sending marketing emails at scale can be one of the most effective ways to reach users, drive engagement, and grow revenue. However, poor practices can quickly lead to spam complaints, high bounce rates, or even domain blacklisting. Below are essential best practices to ensure your email campaigns are effective, compliant,
1. Domain Registration Before setting up your mail server, you need a domain. Steps 1. Register a domain from a registrar: * Namecheap * GoDaddy * Cloudflare Registrar * Google Domains (if available in your region) 2. Choose a domain like: example.com 3. Ensure you have access to DNS management. 2. Server Requirements
Overview This repository uses a multi-environment GitLab CI/CD pipeline for a Spring Boot Reactive (WebFlux) application. The pipeline provides: * Automated build and deployment * Parallel deployment to multiple test environments * Mattermost notifications with changelog support * Automatic handling of unavailable GitLab runners * Deployment status tracking * Production deployment authorization controls * Deployment failure
React Redux v9: Why connect() Shows a Deprecated Warning and How to Fix It If you've recently upgraded to React Redux v9 and are using IntelliJ, VS Code, or another TypeScript-aware IDE, you may have noticed a warning when hovering over connect(): @deprecated We recommend using the useSelector
Introduction After installing Ubuntu, one of the first things many users encounter is the Linux terminal. By default,Ubuntu uses Bash (Bourne Again Shell) as its command-line shell. While Bash is powerful and widely used,many developers and Linux enthusiasts prefer an alternative shell called Zsh (Z Shell). This guide
Definition: Kafka, in simple terms, is a distributed-infrastructure used to store, manage and process events in real-time. In traditional software world, developers visualized data as tables which represents things in real world like for example, items in an inventory, signed-up users, cars in a showroom, etc. But what about things