DEV Community: Michał Rowicki

Wednesday Links – Edition 2025-11-19

Michał Rowicki — Wed, 19 Nov 2025 17:00:45 +0000

Wasting Time Without 10 Libraries (4 min)⏳
https://blog.frankel.ch/wasting-time-without-10-libraries/

Mapping LLM Responses in Spring AI (5 min)🤖
https://thorben-janssen.com/spring-ai-mapping-llm-responses/

OpenTelemetry with Spring Boot — observability made Springy (6 min)🌐
https://spring.io/blog/2025/11/18/opentelemetry-with-spring-boot

Empirical Software Prototyping — when TDD doesn’t fit (7 min)🛠
https://blog.ploeh.dk/2025/11/17/empirical-software-prototyping/

Spring Framework 7.0 is now GA! (3 min)🎉
https://spring.io/blog/2025/11/13/spring-framework-7-0-general-availability

Wednesday Links - Edition 2025-10-08

Michał Rowicki — Wed, 08 Oct 2025 14:38:46 +0000

Transactions, ThreadLocal, and Spring (6 min)🧩
https://blog.frankel.ch/transactions-threadlocal-spring/

JDK 25: G1, Serial & Parallel GC Changes (9 min)♻️
https://tschatzl.github.io/2025/08/12/jdk25-g1-serial-parallel-gc-changes.html

Introducing Jackson 3 Support in Spring (5 min)📦
https://spring.io/blog/2025/10/07/introducing-jackson-3-support-in-spring

Wednesday Links – Edition 2025-07-23

Michał Rowicki — Wed, 23 Jul 2025 14:18:37 +0000

Pattern Matching Compared Across Languages (6 min)🧩
https://blog.frankel.ch/pattern-matching-different-languages/

Future to CompletableFuture with Virtual Threads (5 min)🧵
https://www.morling.dev/blog/future-to-completablefuture-with-java-virtual-threads/

Spring Boot Test Logging Best Practices (4 min)🪵
https://rieckpil.de/spring-boot-test-logging-configuration-best-practuces/

New release of async-profiler 4.1 (2 min)🧠
https://x.com/AndreiPangin/status/1947419437247959376

Wednesday Links – Edition 2024-12-04

Michał Rowicki — Wed, 04 Dec 2024 12:44:10 +0000

Advent of Code 2024: Programming Challenges (3 min) 🎄
https://todd.ginsberg.com/post/advent-of-code/2024/

Failover Replication Slots in Postgres 17: Postgres (5 min) 🐘
https://www.decodable.co/blog/failover-replication-slots-with-postgres-17

Event-Driven Architecture Made Easy: Architecture (6 min) 🔄
https://mezocode.com/event-driven-architecture-and-change-data-capture-made-easy/

Oracle JDK Integrates GraalVM JIT Compiler: Java (4 min) ☕
https://www.infoq.com/news/2024/12/oracle-jdk-graalvm-jit-compiler/

Advanced Code Analysis in IntelliJ IDEA: IntelliJ IDEA (5 min) 🔍
https://blog.jetbrains.com/idea/2024/11/advanced-code-analysis-in-intellij-idea/

Running Home Assistant on Proxmox: Home Automation (8 min) 🏡
https://blog.frankel.ch/home-assistant/2/

Wednesday Links - Edition 2024-07-17

Michał Rowicki — Wed, 17 Jul 2024 09:24:23 +0000

Java Virtual Threads: A Case Study on Performance Benefits and Challenges (7 min) 🚀
https://www.infoq.com/articles/java-virtual-threads-a-case-study

Provisioning LocalStack AWS Resources in Spring Boot Tests for Efficient Development (6 min) ⚙️
https://rieckpil.de/provisioning-localstack-aws-resources-in-spring-boot-tests/

Investigating Code Quality from PR Data for Better Codebases (8 min)🔍
https://blog.scottlogic.com/2024/07/16/investigating-code-quality-from-pr-data.html

Advanced URL Rewrite Techniques with APISIX (5 min) 🔗
https://blog.frankel.ch/advanced-url-rewrite-apisix/

JUnit 5 and Functional Interfaces for Cleaner Test Code (4 min) 🧪
https://reflectoring.io/junit5-functional-interfaces/

Difftastic: A Structural Diff Tool for Meaningful Code Reviews (3 min) 🔧
https://difftastic.wilfred.me.uk/

Design Patters Cheat Sheet (2 min) 🐦
https://x.com/alexxubyte/status/1813224171566211329

REST URI Design Best Practices for Intuitive and Efficient APIs (5 min) 🌐
https://www.mscharhag.com/api-design/rest-uri-design

Wednesday Links - Edition 2024-06-19

Michał Rowicki — Wed, 19 Jun 2024 17:40:26 +0000

Debugger Godmode: Hacking a JVM Application with the Debugger (10 min) 🔍
https://foojay.io/today/debugger-godmode-hacking-a-jvm-application-with-the-debugger/

REST URI Design: Best Practices (7 min) 🌐
https://www.mscharhag.com/api-design/rest-uri-design

Hibernate 6 and the hibernate.type.java_time_use_direct_jdbc Setting (5 min) 🕰️
https://vladmihalcea.com/hibernate-type-java_time_use_direct_jdbc/

The Road to Gradle 9 (8 min) 🛤️
https://blog.gradle.org/road-to-gradle-9

Text Classification with Spring AI (12 min) 🤖
https://www.thomasvitale.com/text-classification-with-spring-ai/

SpringAI, LLaMA3, and pgvector: Bragging Rights (9 min) 🦙
https://dev.to/mcadariu/springai-llama3-and-pgvector-bragging-rights-2n8o

Wednesday Links - Edition 2024-02-14 ❤️🤦🏻

Michał Rowicki — Fri, 16 Feb 2024 22:12:38 +0000

Uncover Wallclock Profiler secrets in a flash! [5 min] ⏱️
https://richardstartin.github.io/posts/wallclock-profiler

Grasp distributed consensus intuitively! [7 min] 🌐
https://notes.eatonphil.com/2024-02-08-an-intuition-for-distributed-consensus-in-oltp-systems.html

Master process output filtering with Tee! [4 min] 🌀
https://www.morling.dev/blog/filtering-process-output-with-tee/

Compare JVM performance for JDK 21 swiftly! [6 min] 🔥
https://ionutbalosin.com/2024/02/jvm-performance-comparison-for-jdk-21/

1BRC - Hunt down semicolons in no time! [3 min] 🕵️‍♂️
https://blog.morazow.com/2024/02/11/finding-semicolons/

Revamp constructors in Java 22 quickly! [5 min] 🛠️
https://blog.jetbrains.com/idea/2024/02/constructor-makeover-in-java-22/

Trace the Vector API evolution rapidly! [4 min] 🚀
https://www.infoq.com/news/2024/02/evolution-of-the-vector-api/

Optimize PostgreSQL performance in a snap! [6 min] 📈
https://vladmihalcea.com/postgresql-performance-tuning-settings/

Wednesday Links - Edition 2024-01-03 🥳

Michał Rowicki — Wed, 03 Jan 2024 11:35:06 +0000

AI-powered image creation in Java! (10 min) 🐍🖼️
https://www.infoq.com/news/2023/12/stable-diffusion-in-java/

Quarkus Langchain LLM Integration (15 min) 🧠🤖
https://www.infoq.com/news/2023/12/quarkus-langchain-llm-integratio/

Kotlin Design Patterns (20 min) 🛠️🐧
https://reflectoring.io/kotlin-design-patterns/

Optimize your Dockerized Spring Boot apps for speed and reliability (10 min) 🐳🚀
https://mydeveloperplanet.com/2022/12/14/spring-boot-docker-best-practices/

Spring Modulith: Modularize your Spring Boot behemoths (30 min) 🏗️🧰
https://itnext.io/improving-modular-monolith-applications-with-spring-modulith-edecc787f63c

Kotlin + WASM integration plan (2 min) 🦀🕸️
https://twitter.com/HeyTolstoy/status/1740351459701735801

Wednesday Links - Edition: 2023-07-26

Michał Rowicki — Wed, 26 Jul 2023 11:17:19 +0000

Java Energy: Are JVMs Environmentally Friendly? 🌱 (⏱️ 8 mins)
https://ionutbalosin.com/2023/07/analyzing-jvm-energy-consumption-for-jdk-17-an-empirical-study/

Deleting Data with Class: The Soft Way 😴 (⏱️ 5 mins)
https://vladmihalcea.com/soft-delete-jpa-version/

Building A Dream Team: Team Topologies Unveiled 🏆 (⏱️ 7 mins)
https://martinfowler.com/bliki/TeamTopologies.html

Supercharge Your Projects: Harnessing the Power of Python and Java Together 🐍 (⏱️ 53 mins)
https://www.youtube.com/watch?v=PH4wvi_co1M/

Wednesday Links - Edition 2023-05-10

Michał Rowicki — Wed, 10 May 2023 12:34:31 +0000

The Cost You Pay for Interruptions and Context Switching (6 min)🌨️
https://contextkeeper.io/blog/the-real-cost-of-an-interruption-and-context-switching/

Unlock the Power of Java Virtual Threads with This Ultimate Guide (10 min)🧵
https://blog.rockthejvm.com/ultimate-guide-to-java-virtual-threads/

Find Your Unused Classes: How to Instrument Java Code (8 min)🎸
https://mostlynerdless.de/blog/2023/04/06/instrumenting-java-code-to-find-and-handle-unused-classes/

Data Residency: The Key to Keeping Your Data in Safe Hands (7 min)🌍
https://blog.frankel.ch/data-residency/1/

Building Scalable OpenAI GPT Applications in Java: From Science Fiction to Reality (4 min)🤖
https://dzone.com/articles/creating-scalable-openai-gpt-applications-in-java

Craft Responsive Web Apps with Spring Boot and React: A Step-by-Step Tutorial (15 min)💻
https://reflectoring.io/build-responsive-web-apps-with-springboot-and-react-tutorial/

Cyclomatic Complexity vs. Branch Coverage: Myths and Facts Unveiled (7 min)🔍
https://blog.ploeh.dk/2023/05/08/is-cyclomatic-complexity-really-related-to-branch-coverage/

Wednesday Links - Edition 2022-01-19

Michał Rowicki — Wed, 19 Jan 2022 18:39:35 +0000

Log4Shell rides again (8 min) 🙈
https://nakedsecurity.sophos.com/2022/01/07/log4shell-like-security-hole-found-in-popular-java-sql-database-engine-h2/

Make Buffer Channels great again (8 min) 🤯
https://blogs.oracle.com/javamagazine/post/java-nio-nio2-buffers-channels-async-future-callback

What's new in Spring Boot 2.6? webinar 🌱
https://twitter.com/springcentral/status/1481988517538381826

Java 17 deep dive (3h to watch) 🥸
https://inside.java/2022/01/11/java-17-deep-dive/

Don't catch stackoverflow (6 min) 👻
https://jaokim.github.io/2022/01/11/stackoverflow.html

Security Manager case again (8 min) 💩
https://blog.frankel.ch/running-untrusted-code/

Truth about microservices (16 min) 🤔
https://arnoldgalovics.com/truth-about-microservices/

Gif deep dive (20 min) 🧪
https://blog.darrien.dev/posts/you-dont-know-gif/

Good enough error message (10 min) ❤️
https://www.morling.dev/blog/whats-in-a-good-error-message/

Fastest way of serialization (9 min) 💨
http://minborgsjavapot.blogspot.com/2022/01/did-you-know-fastest-way-of-serializing.html

Cost of Attrition (3 min) 🔬
https://benjiweber.co.uk/blog/2022/01/12/cost-of-attrition/

Wednesday Links - Edition 2021-12-29

Michał Rowicki — Wed, 29 Dec 2021 10:46:08 +0000

Should you start your architecture with microservices? (8 min) 🤨
https://arnoldgalovics.com/microservices-in-production/

Migrating Spring Boot app to Java 17 (20 min) 👌
https://blog.codecentric.de/en/2021/12/migrating-spring-boot-java-17-day-2/

Future of Maven (8 min) 💪
https://www.javaadvent.com/2021/12/from-maven-3-to-maven-5.html

GitHub may replace DockerHub (6 min)🙀
https://levelup.gitconnected.com/github-may-replace-dockerhub-a5da5e547f01

Zero dependency library discussion (3 min) 🍿
https://twitter.com/gunnarmorling/status/1474053962034782212

Performance Myths and Continuous Profiling (17 min) 💨
https://richardstartin.github.io/posts/perf-myths-and-continuous-profiling

Custom Spring Data Repository (5 min) 🧐
https://vladmihalcea.com/custom-spring-data-repository/