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# backend

Desenvolvimento do lado do servidor, APIs, bancos de dados e logica de negocios.

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From Resilience4j to TypeScript: Build the JVM Patterns You Already Know

From Resilience4j to TypeScript: Build the JVM Patterns You Already Know

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9 min read
A Token Bucket Rate Limiter: a 50-Line In-Memory + 95-Line Redis Variant in TypeScript

A Token Bucket Rate Limiter: a 50-Line In-Memory + 95-Line Redis Variant in TypeScript

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12 min read
🚀 Spec-Driven Development (SDD): Building Robust Software Before Writing a Single Line of Logic

🚀 Spec-Driven Development (SDD): Building Robust Software Before Writing a Single Line of Logic

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4 min read
Your System Shouldn’t Process Everything Instantly — That’s Why Message Queues Exist

Your System Shouldn’t Process Everything Instantly — That’s Why Message Queues Exist

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1 min read
I Thought I'd Just Call a Blockchain API. It Didn't Work Out That Way.

I Thought I'd Just Call a Blockchain API. It Didn't Work Out That Way.

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31 min read
𝗗𝗲𝗽𝗹𝗼𝘆𝗶𝗻𝗴 𝗮 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲 𝘁𝗼 𝗔𝗪𝗦 𝗘𝗖𝟮 𝘄𝗶𝘁𝗵 𝗖𝗜/𝗖𝗗 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲 ☁️

𝗗𝗲𝗽𝗹𝗼𝘆𝗶𝗻𝗴 𝗮 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲 𝘁𝗼 𝗔𝗪𝗦 𝗘𝗖𝟮 𝘄𝗶𝘁𝗵 𝗖𝗜/𝗖𝗗 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲 ☁️

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1 min read
HTTP Request Smuggling: When Proxies and Servers Disagree

HTTP Request Smuggling: When Proxies and Servers Disagree

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1 min read
Fintech on Go: Signing, event loops, and replay protection without an SDK (Part 2)

Fintech on Go: Signing, event loops, and replay protection without an SDK (Part 2)

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10 min read
Pagamentos idempotentes: Um Study Case de Arquitetura com Redis e Banco de Dados

Pagamentos idempotentes: Um Study Case de Arquitetura com Redis e Banco de Dados

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8 min read
How Spring Security Works Internally (Filters, Authentication & Authorization Explained)

How Spring Security Works Internally (Filters, Authentication & Authorization Explained)

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5 min read
PHP-FPM Resets the World Every Request. Node Doesn't.

PHP-FPM Resets the World Every Request. Node Doesn't.

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9 min read
How to Create a High-Traffic Laravel App (Practical Guide)

How to Create a High-Traffic Laravel App (Practical Guide)

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7 min read
Async Rust Never Left MVP: I Validated It Against My Real Codebase and Found Exactly the Edge Cases That HN Post Predicted

Async Rust Never Left MVP: I Validated It Against My Real Codebase and Found Exactly the Edge Cases That HN Post Predicted

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9 min read
UUID Best Practices: v4, v7, and When You Should Use Each

UUID Best Practices: v4, v7, and When You Should Use Each

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3 min read
Economic Invariants in Distributed Financial Systems: Preserving Value Under Adversarial Conditions

Economic Invariants in Distributed Financial Systems: Preserving Value Under Adversarial Conditions

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4 min read
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