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

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Setting Up a Production-Ready ASP.NET Core Web API: JWT, Identity, CQRS, Validation, Exception Handling & CORS

Setting Up a Production-Ready ASP.NET Core Web API: JWT, Identity, CQRS, Validation, Exception Handling & CORS

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7 min read
We Planted 180 Bugs in Copies of Real Open-Source Backends. Fix Your First One in About 20 Minutes

We Planted 180 Bugs in Copies of Real Open-Source Backends. Fix Your First One in About 20 Minutes

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15 min read
The Race Condition Vanished the Instant I Added a console.log

The Race Condition Vanished the Instant I Added a console.log

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3 min read
Kafka internals via rebuild: what using a tool vs. understanding it teaches you

Kafka internals via rebuild: what using a tool vs. understanding it teaches you

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3 min read
Why I Chose a Simple Capability Token for Waitless — and When I Would Harden It

Why I Chose a Simple Capability Token for Waitless — and When I Would Harden It

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5 min read
Escalando Atendimento Multicanal

Escalando Atendimento Multicanal

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2 min read
Escalando Atendimento Multicanal: Arquitetura de Mensageria e Webhooks em Tempo Real com Node.js e APIs da Meta

Escalando Atendimento Multicanal: Arquitetura de Mensageria e Webhooks em Tempo Real com Node.js e APIs da Meta

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2 min read
When Two Systems Disagree About the Truth, Both Get Believed

When Two Systems Disagree About the Truth, Both Get Believed

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2 min read
I Thought Email Verification Was Just Sending an OTP. Building It Changed My Mind.

I Thought Email Verification Was Just Sending an OTP. Building It Changed My Mind.

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4 min read
Application events & ApplicationEventPublisher

Application events & ApplicationEventPublisher

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6 min read
How do you test an AI agent that talks to real customers? Our eval setup for a production sales agent

How do you test an AI agent that talks to real customers? Our eval setup for a production sales agent

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3 min read
Image Format Conversion vs Compression Explained (for FastAPI Promo Video Pipelines)

Image Format Conversion vs Compression Explained (for FastAPI Promo Video Pipelines)

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7 min read
Uptime Monitor Says 100% While Users See Errors: What to Check, and When Paid Monitoring Is Worth It

Uptime Monitor Says 100% While Users See Errors: What to Check, and When Paid Monitoring Is Worth It

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7 min read
Billing LLM usage per token: the pitfalls nobody warns you about

Billing LLM usage per token: the pitfalls nobody warns you about

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2 min read
Message ID Receipts for Node.js Transactional Email: Delivered or Bounced?

Message ID Receipts for Node.js Transactional Email: Delivered or Bounced?

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7 min read
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