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SQLAlchemy Essentials: A Beginner’s Roadmap

SQLAlchemy Essentials: A Beginner’s Roadmap

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6 min read
Claude Fable 5 refuses tool calls based on semantics, not logic

Claude Fable 5 refuses tool calls based on semantics, not logic

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3 min read
Python Asyncio 结合 SQLAlchemy 高并发下的死锁与内存泄漏排查实战

Python Asyncio 结合 SQLAlchemy 高并发下的死锁与内存泄漏排查实战

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1 min read
Getting the public IP in Python — scripts, Django, FastAPI

Getting the public IP in Python — scripts, Django, FastAPI

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6 min read
Why Go's Goroutines Made Concurrency Finally Click for Me

Why Go's Goroutines Made Concurrency Finally Click for Me

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3 min read
We version our tool schemas like an API contract, because the agent is a consumer

We version our tool schemas like an API contract, because the agent is a consumer

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2 min read
Python quickstart: nutrition data in 10 lines

Python quickstart: nutrition data in 10 lines

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4 min read
I run 17 RSS feeds through stdlib XML parsing every morning — here's the dedupe pipeline that keeps 600+ stories from drowning my inbox

I run 17 RSS feeds through stdlib XML parsing every morning — here's the dedupe pipeline that keeps 600+ stories from drowning my inbox

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7 min read
What Does `unsqueeze` Do in PyTorch? (And Why Your Model Keeps Asking For It)

What Does `unsqueeze` Do in PyTorch? (And Why Your Model Keeps Asking For It)

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7 min read
How I Cut LLM Costs in Half — A Backend Engineer's 2026 Guide

How I Cut LLM Costs in Half — A Backend Engineer's 2026 Guide

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7 min read
A 40-line LLM-based bash command executor in Python

A 40-line LLM-based bash command executor in Python

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7 min read
I Was Shocked How Cheap Chinese AI Models Actually Are In 2026

I Was Shocked How Cheap Chinese AI Models Actually Are In 2026

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9 min read
My AI Commit Script and My MCP Tool Run the Exact Same Code. Only One of Them Is Agentic.

My AI Commit Script and My MCP Tool Run the Exact Same Code. Only One of Them Is Agentic.

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5 min read
I Built a B-Tree in Pure Python and Finally Understood Why Postgres Uses It for Every Index

I Built a B-Tree in Pure Python and Finally Understood Why Postgres Uses It for Every Index

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6 min read
Set membership is not pairing: a property test that was green for the exact bug it was written to catch

Set membership is not pairing: a property test that was green for the exact bug it was written to catch

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4 min read
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