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# backend

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

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The Hidden Tax of 'Clean' Infrastructure: What V2EX Teaches Us About Dependency Debt

The Hidden Tax of 'Clean' Infrastructure: What V2EX Teaches Us About Dependency Debt

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5 min read
How I Built a Phone Validator API for Africa (Where Twilio Fails)

How I Built a Phone Validator API for Africa (Where Twilio Fails)

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1 min read
MiniQueue: A Job Queue API That Doesn't Need Redis

MiniQueue: A Job Queue API That Doesn't Need Redis

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1 min read
Handling Time Zone Differences in Forex APIs: A Practical Developer’s Guide

Handling Time Zone Differences in Forex APIs: A Practical Developer’s Guide

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3 min read
Error Handling in Node.js: Beyond Try/Catch (2026)

Error Handling in Node.js: Beyond Try/Catch (2026)

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5 min read
Idempotency Keys: The One API Pattern That Prevents Duplicate Charges (and Worse)

Idempotency Keys: The One API Pattern That Prevents Duplicate Charges (and Worse)

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3 min read
I Built a Cache Engine from Scratch in Python — and O(1) LFU Eviction Is Sneakier Than LRU

I Built a Cache Engine from Scratch in Python — and O(1) LFU Eviction Is Sneakier Than LRU

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7 min read
Great Stack to Doesn't Work #5 — Linux: "Not a Kernel Panic, an Engineer Panic"

Great Stack to Doesn't Work #5 — Linux: "Not a Kernel Panic, an Engineer Panic"

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7 min read
How I Am Building an AI Meeting Assistant in ASP.NET Core (And Avoided Timeout Nightmares)

How I Am Building an AI Meeting Assistant in ASP.NET Core (And Avoided Timeout Nightmares)

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3 min read
Fortifying the User Interface: Frontend Security Best Practices

Fortifying the User Interface: Frontend Security Best Practices

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6 min read
Environment Variables in Node.js: The Complete Guide (2026)

Environment Variables in Node.js: The Complete Guide (2026)

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5 min read
How not to build a login & signup system

How not to build a login & signup system

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2 min read
Python While Loop Practice: Multiples, Divisors, Count of Divisors & Prime Numbers

Python While Loop Practice: Multiples, Divisors, Count of Divisors & Prime Numbers

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3 min read
Building a net/http Middleware Chain From Scratch in Go

Building a net/http Middleware Chain From Scratch in Go

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6 min read
Multi-currency billing for global MVNOs: a deep dive

Multi-currency billing for global MVNOs: a deep dive

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5 min read
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