UUIDs: Friend or Foe? When you first hear “UUID,” you might imagine a magical number that guarantees uniqueness across the entire universe. And yes, a UUID is a 128‑bit value designed for that very purpose. However, before you go sprinkling UUIDs as primary keys in every table in your database,…
Ruby on Rails offers helpful tools to make development easier. One of these tools is with_indifferent_access. This method makes handling hashes simpler. It allows you to access keys as both strings and symbols. As a result, your code becomes more flexible. You won’t need to worry about key types. This…
Ruby is a flexible, easy-to-learn language for building websites and web applications. It is often paired with Ruby on Rails, a powerful framework that simplifies web app development. Ruby Kafka allows for building real-time data streaming applications. Kafka handles large data efficiently, sending and receiving messages in real time using…
Introduction to Implement MQTT Data communication In this guide, we explore Implement MQTT Data communication using AWS IoT Broker and PahoMqtt in Ruby on Rails. MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed for real-time data exchange, ideal for IoT applications. We will walk through setting up MQTT…
Introduction Managing AWS infrastructure efficiently demands a careful balance between performance and cost, especially when using NoSQL databases like DynamoDB. If you're aiming to cut DynamoDB costs, this real-world guide walks you through how we reduced our monthly bill by over 60% without sacrificing data accessibility. By leveraging features like…
In today’s digital landscape, web application security is non-negotiable. With cyber threats becoming more sophisticated, relying solely on manual security testing is no longer viable. OWASP ZAP (Zed Attack Proxy) is a powerful, and also an open-source tool that automates security testing, helping you identify vulnerabilities before attackers do. In…
Ethical hacking is primarily focused on simulating malicious attacks to identify and fix vulnerabilities before they are exploited. Furthermore, for Quality Engineers (QEs), it goes beyond mere security testing; instead, it serves as a vital tool for ensuring the development of robust, reliable, and high-quality software. Why Ethical Hacking Matters…
