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From Core Java to Spring Boot: When the Code Works, but the "Big Picture" is Still Loading

From Core Java to Spring Boot: When the Code Works, but the "Big Picture" is Still Loading

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2 min read
🧠 Do Prompt ao RAG: como fazer um LLM responder sem inventar (e sem processo do cliente)

🧠 Do Prompt ao RAG: como fazer um LLM responder sem inventar (e sem processo do cliente)

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8 min read
Spring Boot Best Practices That Should Fail Your Build

Spring Boot Best Practices That Should Fail Your Build

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13 min read
How a REST Client Should Handle 503 Service Unavailable: Retries with Backoff in Spring

How a REST Client Should Handle 503 Service Unavailable: Retries with Backoff in Spring

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7 min read
Your JPA Find-or-Create Race Fix Is Dead Code (save() Doesn't Flush)

Your JPA Find-or-Create Race Fix Is Dead Code (save() Doesn't Flush)

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4 min read
Building a Waitlist with Automatic Promotion in Spring Boot (and Keeping the Queue Gap-Free)

Building a Waitlist with Automatic Promotion in Spring Boot (and Keeping the Queue Gap-Free)

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7 min read
How Dependency Injection Works in Spring Boot: A Quick Walkthrough

How Dependency Injection Works in Spring Boot: A Quick Walkthrough

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3 min read
Why I Started Contributing to Open Source (and What Happened in the First Few Months)

Why I Started Contributing to Open Source (and What Happened in the First Few Months)

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2 min read
Exploring tenant isolation with Spring Boot, OIDC, and PostgreSQL RLS

Exploring tenant isolation with Spring Boot, OIDC, and PostgreSQL RLS

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5 min read
Why Scaling Kafka Consumers Is Harder Than Just Adding Pods

Why Scaling Kafka Consumers Is Harder Than Just Adding Pods

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4 min read
Building CivicGemma: A Tamper-Evident E-Voting Microservices Platform with Gemma 4 🗳️

Building CivicGemma: A Tamper-Evident E-Voting Microservices Platform with Gemma 4 🗳️

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4 min read
Stop using ddl-auto=update in production

Stop using ddl-auto=update in production

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8 min read
Find out why your Spring Boot + React request is slow, from the click to the SQL

Find out why your Spring Boot + React request is slow, from the click to the SQL

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5 min read
Haunted Stack Traces: Explaining Java Errors with Gemma 4, Running Locally

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Haunted Stack Traces: Explaining Java Errors with Gemma 4, Running Locally

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6 min read
Ofrenda: A Local AI Altar That Keeps Your Loved Ones’ Memories Alive

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Ofrenda: A Local AI Altar That Keeps Your Loved Ones’ Memories Alive

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3 min read
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