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Data Lake Architecture for Data Engineering Interviews

Data Lake Architecture for Data Engineering Interviews

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44 min read
Pydantic vs msgspec vs validatedata: Why Your Validation Library Slows Down on Bad Data

Pydantic vs msgspec vs validatedata: Why Your Validation Library Slows Down on Bad Data

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2 min read
Stop Guessing Memory: How to Automate LangChain Memory Testing and Catch 80% of Multi-Turn Failures

Stop Guessing Memory: How to Automate LangChain Memory Testing and Catch 80% of Multi-Turn Failures

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5 min read
Detect Faces: Boxes, Landmarks, and Counts in One Call

Detect Faces: Boxes, Landmarks, and Counts in One Call

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7 min read
"How one empty message poisoned an entire AI consultation (and the three-layer fix)"

"How one empty message poisoned an entire AI consultation (and the three-layer fix)"

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7 min read
Python Monorepo Magic: Organize, Build, and Ship Multi-Service Apps

Python Monorepo Magic: Organize, Build, and Ship Multi-Service Apps

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12 min read
I Built the Same Hash Utility for Browser, Node, and Python

I Built the Same Hash Utility for Browser, Node, and Python

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2 min read
Contract-First vs Assertion-First: LLM Agent Reliability

Contract-First vs Assertion-First: LLM Agent Reliability

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2 min read
I got tired of Googling "resize,compress ,optimize image online " so I built a CLI for it

I got tired of Googling "resize,compress ,optimize image online " so I built a CLI for it

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2 min read
"Cutting MCP token bloat by 12x: what happened when we packed 31 tools into one server"

"Cutting MCP token bloat by 12x: what happened when we packed 31 tools into one server"

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6 min read
Building a Sports E-Commerce Shop with Django — My Full Stack Journey

Building a Sports E-Commerce Shop with Django — My Full Stack Journey

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2 min read
I rebuilt Zo Computer's seven subsystems in 800 lines of Python — here's the architecture, the tradeoffs, and what I cut

I rebuilt Zo Computer's seven subsystems in 800 lines of Python — here's the architecture, the tradeoffs, and what I cut

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6 min read
Agent Series (20): Harness in Production — From Single File to Reusable Package

Agent Series (20): Harness in Production — From Single File to Reusable Package

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6 min read
Unix timestamps explained — converting, formatting, and avoiding the common mistakes

Unix timestamps explained — converting, formatting, and avoiding the common mistakes

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6 min read
Python 101

Python 101

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7 min read
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