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The Practical Developer

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Latest posts

Last updated 6 minutes ago

I denied 7 dangerous commands. My agent deleted the files anyway

21 minutes ago

I've been building a coding agent from scratch — a plain model-plus-tools...

Designing a User Online/Offline Presence System: From Naive Polling to Redis TTLs

20 minutes ago

External Github link for diagrams How I designed a presence system from...

Pain-Driven Development

12 minutes ago

The issue Today I was assigned a GitHub issue. Two Laravel event...

Tried building GitHub's search box in Go

12 minutes ago

Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that...

How I built a ruler page without Code

9 minutes ago

I built this page called Simple Online Ruler using just ChatGPT/Codex I...

I denied 7 dangerous commands. My agent deleted the files anyway

21 minutes ago

I've been building a coding agent from scratch — a plain model-plus-tools...

The Hidden Complexity of PostgreSQL Logical Replication

21 minutes ago

We were building a PostgreSQL Logical Replication monitoring system — topology visualization...

How to Delete Specific Things an AI Remembers About You

34 minutes ago

How to Delete Specific Things an AI Remembers About You Whether you...

Which agentic coding patterns actually scale

32 minutes ago

Most agentic coding patterns work on the first module. You pick up...

Mapping Human Biology: The Bitwise Boolean Algebra of Blood Transfusion Compatibility

31 minutes ago

While blood transfusion is fundamentally a medical procedure, its underlying compatibility rules...

Grieving a Chatbot

about 1 hour ago

The thread on r/Replika that everyone kept forwarding around in early March...

Parse transcript.jsonl Directly to See What's Actually Being Called

about 1 hour ago

Claude Code's /usage tells you how much you're spending, but not what...