Apache Kafka is more than a message broker; with Kafka Streams, it’s a stream processing engine. You can join, filter, and aggregate data in real-time without an external database. This guide explores the DSL (KStream vs KTable) and stateful operations. KStream vs KTable Understanding this duality is core to Kafka Streams. KStream: An endless record […]
Read more →Category: Emerging Technologies
Emerging technologies include a variety of technologies such as educational technology, information technology, nanotechnology, biotechnology, cognitive science, psychotechnology, robotics, and artificial intelligence.
Azure Static Web Apps: The New JAMstack Platform
Azure Static Web Apps (ASWA) simplifies hosting JAMstack applications by coupling a static frontend (React, Vue, Blazor) with a serverless backend (Azure Functions) in a single resource. Announced at Build 2020, it provides a seamless GitHub Actions integration out of the box. Architecture Routing and Security Configure routing rules in `staticwebapp.config.json` (formerly `routes.json`). Key Takeaways […]
Read more →SPFx and Microsoft Graph: Accessing User Data
SharePoint Framework (SPFx) 1.10+ makes consuming the Microsoft Graph API trivial. Accessing user emails, calendars, and OneDrive files is now a standard requirement for modern intranets. This guide demonstrates how to consume Graph securely using the MSGraphClient. Requesting Permissions In `package-solution.json`, declare the API scopes your web part needs. These must be approved by an […]
Read more →Cosmos DB: Cost Optimization Strategies
Azure Cosmos DB is powerful but can be expensive if misconfigured. The “Request Unit” (RU) model abstracts hardware, but understanding it is key to cost control. This guide covers partition key selection, indexing policies, and the new Autoscale throughput. Understanding Request Units (RU) 1 RU = 1 Read of a 1KB document by ID. Queries […]
Read more →React Class to Hooks Migration Guide
React Hooks (introduced in 16.8) are now the standard. Class components with `this.setState` and lifecycle methods are legacy. This guide provides direct translation patterns for migrating typical class components to functional components with Hooks. State Management: useState Lifecycle: useEffect `useEffect` replaces `componentDidMount`, `componentDidUpdate`, and `componentWillUnmount`. Common Pitfall: Stale Closures Hooks capture the state *at the […]
Read more →AWS CloudFormation Best Practices
Even with tools like CDK, understanding the underlying CloudFormation mechanics is crucial. Improperly structured stacks can lead to circular dependencies, update rollbacks, and stuck resources. This guide covers nested stacks, cross-stack references, and drift detection. Cross-Stack References vs Nested Stacks Feature Cross-Stack Refs (Export/Import) Nested Stacks Coupling Loose (Independent lifecycles) Tight (Parent controls Child) Updates […]
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