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

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Type 257 Characters of Anything. You're In.

Type 257 Characters of Anything. You're In.

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10 min read
Why Disabling Downloads Does Not Revoke a Signed URL

Why Disabling Downloads Does Not Revoke a Signed URL

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4 min read
Zero-Downtime Database Migrations: The Expand-and-Contract Pattern (With PostgreSQL Examples)

Zero-Downtime Database Migrations: The Expand-and-Contract Pattern (With PostgreSQL Examples)

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4 min read
Transactions & Basic Indexing in PostgreSQL: COMMIT, ROLLBACK, EXPLAIN & SQLAlchemy ⚛️

Transactions & Basic Indexing in PostgreSQL: COMMIT, ROLLBACK, EXPLAIN & SQLAlchemy ⚛️

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16 min read
Python Packaging & Environment Config for Services: venv, Poetry, pip-tools, Pydantic Settings & 12-Factor Explained 🐍

Python Packaging & Environment Config for Services: venv, Poetry, pip-tools, Pydantic Settings & 12-Factor Explained 🐍

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20 min read
FastAPI Fundamentals & Dependency Injection: Explained from Absolute Zero ⚡

FastAPI Fundamentals & Dependency Injection: Explained from Absolute Zero ⚡

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16 min read
Day 18/90: Your AI Agent Has a Step Limit—But Does It Have a Budget?

Day 18/90: Your AI Agent Has a Step Limit—But Does It Have a Budget?

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3 min read
Should you learn Node.js, Django or Laravel first in Nepal?

Should you learn Node.js, Django or Laravel first in Nepal?

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4 min read
MFA decides who gets in, not how many records they take

MFA decides who gets in, not how many records they take

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9 min read
Idempotency Keys for Transactional Email: How to Retry Without Sending Duplicates

Idempotency Keys for Transactional Email: How to Retry Without Sending Duplicates

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5 min read
ACH Return Codes Explained: R01 to R85 and How to Handle Each

ACH Return Codes Explained: R01 to R85 and How to Handle Each

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3 min read
Object Storage Downloads: Fix Presigned PDF/CSV Filename, Content-Type, and Disposition

Object Storage Downloads: Fix Presigned PDF/CSV Filename, Content-Type, and Disposition

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5 min read
Sentinel: The Core Runtime

Sentinel: The Core Runtime

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15 min read
AWS AppConfig: Feature Flags, Configuration, and How Services Read Them

AWS AppConfig: Feature Flags, Configuration, and How Services Read Them

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6 min read
Postgres to Snowflake Replication Without Kafka or Airflow

Postgres to Snowflake Replication Without Kafka or Airflow

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12 min read
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