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Curated developer articles, tutorials, and guides — auto-updated hourly
Enes Bilgin4d ago • 5 min read
From TLEs to Real-Time Satellite Tracking: Building an Orbital Backend with Spring Boot and Orekit
I've worked on projects where getting the right data was the bottleneck. You can't build features...
#java#springboot#systemdesign#backend
1 1
Dimitris Kyrkos6d ago • 9 min read
5 More Advanced Java Tips That Senior Engineers Actually Use
Hey everyone. Continuing with the series, here's part two: five more patterns from modern...
#java#programming#performance#tutorial
6 0
Sayed Ali AlkamelJun 17, 2026 • 13 min read
Spring AI: The Senior Dev's Honest Take on Java's AI Moment
Spring AI connects enterprise Java to AI models with portable abstractions, RAG, MCP, and tool calli...
#springboot#java#ai#programming
5 0
Tanzim HossainJun 18, 2026 • 17 min read
Building an IoC Container from Scratch: How NestJS and Spring Actually Work
You've written @Injectable() dozens of times. But if someone asked you what it actually does, could....
#typescript#nestjs#architecture#java
3 1
Prashant Sasalatti6d ago • 6 min read
How to Integrate Apache Kafka with Spring Boot: A Production-Ready Guide
When a Spring Boot service needs to talk to another service without waiting on a synchronous HTTP...
#java#springboot#kafka#tutorial
1 1
Devanshu Biswas5d ago • 2 min read
I'm Building a Production-Grade Spring Boot + React App, One Feature a Day (Day 1)
I just finished a 50-day "new tech every day" series. For the next 50 days I'm doing the opposite:.....
#springboot#java#react#webdev
2 0
Stefan6d ago • 11 min read
Fix HTTP Parameter Pollution: Spring Boot REST API Code Review
A code review walkthrough for fixing HTTP Parameter Pollution in a Spring Boot REST API, with vulner...
#springboot#security#java#codereview
1 0
Cleber Lucas2d ago • 4 min read
Quita: How a Personal Problem Became a Real Product — and What I Learned Along the Way
There's a piece of advice you hear constantly in the developer world: "build projects to learn." The...
#buildinpublic#saas#java#ai
1 0
Machine coding Master5d ago • 2 min read
Stop Spatially Disoriented Traces: Mapping JEP 480 Structured Concurrency Topologies in OpenTelemetry
Stop Spatially Disoriented Traces: Mapping JEP 480 Structured Concurrency Topologies in...
#java#concurrency#systemdesign#programming
0 0
Arkadiusz PrzychockiJun 17, 2026 • 18 min read
What I Knew, and What I Built
This is the eighth article in the Exeris Kernel series. The first seven covered decisions I'm...
#java#architecture#spi#jvm
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Cleber Lucas2d ago • 4 min read
Quita: como um problema pessoal virou um produto real — e o que aprendi no caminho
Tem uma frase que ouço muito no mundo do desenvolvimento: "construa projetos para aprender". O...
#ai#braziliandevs#java#specdriven
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Sujan LamichhaneJun 16, 2026 • 4 min read
I Published Nepal's First Java Payment Library to Maven Central — Here's What Broke
NepalPay went from JitPack to Maven Central. Khalti refunds, retry with exponential backoff, and 5 d...
#java#springboot#nepal#opensource
0 0
Md Jamilur Rahman6d ago • 4 min read
Spring Security 7: MFA, Modular Config, and What Breaks
Spring Security 7 dropped at Spring I/O 2026. Daniel Erno from the Spring Security team gave a talk....
#java#springboot#security#springio2026
0 1
Machine coding Master4d ago • 2 min read
Stop Wasting LLM Budgets: High-Performance Semantic Caching with Spring AI and pgvector
Stop Wasting LLM Budgets: High-Performance Semantic Caching with Spring AI and...
#java#ai#llm#systemdesign
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Prem Kapadne5d ago • 8 min read
The Version That Broke Everything
A deep dive into API versioning — what goes wrong without it, the old way developers survived it, an...
#spring#java#api#backend
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Clinvio6d ago • 5 min read
How to implement field-level AES-256-GCM encryption in Spring Boot (and why we packaged it into one annotation)
If you've ever had to encrypt a nationalId, a creditCardNumber, or a medicalRecord field in a Spring...
#java#springboot#security#encryption
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Md Jamilur Rahman6d ago • 4 min read
Spring Security 7: MFA, Modular Config, and What Breaks
Spring Security 7 dropped at Spring I/O 2026. Daniel Erno from the Spring Security team gave a talk....
#java#news#security#springboot
0 0
Taha Nawab5d ago • 3 min read
How I Modernized a 10-Year-Old MIPS Simulator (And Added a C Compiler)
Rebuilding a 10-Year-Old MIPS Simulator (And Adding a C Compiler) If you have ever taken a...
#java#computerscience#assembly#opensource
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I Want To Learn Programming2d ago • 3 min read
Race conditions, explained by causing one
A race condition is the bug that passes every test and then corrupts data in production once a month...
#java#concurrency#threads#programming
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KyrylJun 17, 2026 • 4 min read
🧩 Your MapStruct Mappers Are Hiding Null Bugs
MapStruct's default config lets unmapped fields reach production as null. Three settings I add to ev...
#java#mapstruct#springboot#mapping
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Prashant Sasalatti5d ago • 6 min read
I Wasted 3 Days on AI Integration Until I Found Spring AI — Here's My Full Spring Boot Chatbot Build
Six months ago, I was the guy manually stitching together RestTemplate calls to OpenAI's API, writin...
#java#springboot#ai#tutorial
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Prashant Sasalatti5d ago • 5 min read
The Deadlock That Only Showed Up Under Load: Debugging DB2 SQLCODE -811 in Production
A real production incident, what the error actually meant, and the fix that stopped it from happenin...
#database#java#backend#debugging
0 0
Felipe RicarteJun 17, 2026 • 4 min read
Idempotência em ingestão de pedidos no Spring Boot: o que separa o protótipo da produção
Integrar dois sistemas via pedidos parece a tarefa mais banal do mundo: recebe um JSON, salva no...
#java#springboot#architecture#backend
0 0
Henry Li3d ago • 7 min read
When Your AI Agent Restarts Mid-Task: Building Durable Workflows in Spring Boot
The first agentic feature I shipped looked great in demos. The LLM picked a tool, called it, looked....
#ai#springboot#java#llm
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