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# backend

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

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Demystifying REST APIs: A Comprehensive Guide from Beginner to Architect

Demystifying REST APIs: A Comprehensive Guide from Beginner to Architect

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3 min read
A Beginner’s Guide to How GraphQL Requests Work

A Beginner’s Guide to How GraphQL Requests Work

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5 min read
Event Sourcing 实战:让业务数据自己说话

Event Sourcing 实战:让业务数据自己说话

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2 min read
5-Minute AI Jobs and Closed Tabs — Why We Built Replay-Then-Tail SSE

5-Minute AI Jobs and Closed Tabs — Why We Built Replay-Then-Tail SSE

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20 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
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
Making AskDB Data Fresher: Adding Auto-Sync

Making AskDB Data Fresher: Adding Auto-Sync

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2 min read
What webhook issues you are facing ?

What webhook issues you are facing ?

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1 min read
What Happens When Your API Has 10,000 Rows? I Added Pagination and Caching to Find Out

What Happens When Your API Has 10,000 Rows? I Added Pagination and Caching to Find Out

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3 min read
Building a Safe Money Transfer System in PostgreSQL — Transactions, Rollbacks, and What Happens When Things Break

Building a Safe Money Transfer System in PostgreSQL — Transactions, Rollbacks, and What Happens When Things Break

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3 min read
Idempotency Keys: What Most Tutorials Don't Tell You

Strategies for external reconciliation

Idempotency Keys: What Most Tutorials Don't Tell You

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5 min read
What we learned building healthcare integrations for the past year

What we learned building healthcare integrations for the past year

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3 min read
JS Object: Reference vs Copying

JS Object: Reference vs Copying

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1 min read
The Real AI Agent Failure Mode Is Uncertain Completion

The Real AI Agent Failure Mode Is Uncertain Completion

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4 min read
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