Dann Brown Adventures

Dann brown

I am an Senior Fullstack Software Developer working in my skills and learning new stuffs about tech daily

Apache Kafka Streams — Pipe, LineSplit, WordCount

September 2, 2026 2 minute read

Case 08 in my lab, aligned with the official Kafka Streams tutorial.

Apache Kafka Lab — Try It Yourself (cURL)

September 2, 2026 3 minute read

Hands-on curls for my str-producer / str-consumer lab. Source: curso-apache-kafka-master/POSTMAN-CURL.md (local study repo).

Apache Kafka Lab — Architecture

September 2, 2026 2 minute read

Architecture of my str-producer / str-consumer Spring Boot laboratory.

Apache Kafka — Concepts I Learned

September 2, 2026 7 minute read

Notes from my str-producer / str-consumer Spring Boot lab: HTTP ingress on port 8097, Kafka on 9092, consumer on 8197, Kafdrop on 19000.

DANA 4830 — Multivariate feature selection Part 2: CON, DISR, and fraud dataset pipeline

May 25, 2026 6 minute read

Part 2 of multivariate (bivariate-and-beyond) feature selection from Zouhri et al. (2024): CON, DISR, how they differ from CFS, and a full Python pipeline yo...