Islamabad to Open Rawal Dam Spillways as Water Level Rises

Next.js App Router — WebSockets via Client Islands

The Challenge: Realtime in the Age of Server Components The paradigm shift toward React Server Components (RSC) and the Next.js App Router has fundamentally changed how we architect web applications.

• Client Islands pattern isolates stateful logic into tiny components.
• WebSocket connections managed on client side via useEffect.
• Managed providers recommended for reliable WebSocket deployment.

1h ago ·dev.to

Scaling Kafka Consumers in Spring Boot: How We Cut Lag and Saved Latency

Scaling Kafka Consumers in Spring Boot: How We Cut Lag and Saved Latency When scaling high-throughput event-driven microservices in fintech, default Spring Kafka consumer configurations often run into…

• Increase concurrency beyond default single-threaded listeners
• Implement explicit batch processing and idempotency
• Match topic partition count with container concurrency

1h ago ·dev.to

South Africans are buying fewer phones and paying more for them

Telecoms volumes fell 7.9% in the first half while average selling prices rose 9.8%, NielsenIQ data shows.

1h ago ·techcentral.co.za