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Josep Oriol Carné

Notes from a developer & algorithmic trader on trading, privacy, Linux and productivity — autonomous systems, self-hosting, and tools worth keeping.

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Custom Claude Code Notifications on Linux

Custom Claude Code Notifications on Linux

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2 min read
How Survivorship Bias Is Costing You Money (And You Don't Even Know It)

How Survivorship Bias Is Costing You Money (And You Don't Even Know It)

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7 min read
Secure Network Architecture for Home-Based Trading & Server Ops

Secure Network Architecture for Home-Based Trading & Server Ops

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7 min read
Three Proven Techniques to Reduce LLM Hallucinations

Three Proven Techniques to Reduce LLM Hallucinations

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3 min read
Temperature Zero, Fixed Seed, Different Answers

Temperature Zero, Fixed Seed, Different Answers

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3 min read
How to Disable the Co-Authored-By Trailer in Claude Code

How to Disable the Co-Authored-By Trailer in Claude Code

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3 min read
I Replaced My Vector Database With Boring Algorithms

I Replaced My Vector Database With Boring Algorithms

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4 min read
Human as a Tool: The Agent Pattern Where You Work for the Machine

Human as a Tool: The Agent Pattern Where You Work for the Machine

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4 min read
The Mythos/Fable Blockade: How US AI Exceptionalism Builds Its Own Rivals

The Mythos/Fable Blockade: How US AI Exceptionalism Builds Its Own Rivals

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2 min read
Free Scheduled VMs: Run Periodic Jobs on GitHub Actions (No Server Required)

Free Scheduled VMs: Run Periodic Jobs on GitHub Actions (No Server Required)

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4 min read
Disposable Kali in Docker: Recover a Forgotten ZIP Password

Disposable Kali in Docker: Recover a Forgotten ZIP Password

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4 min read
I Was Going to Write About Immich. Then Google Signed With the Pentagon.

I Was Going to Write About Immich. Then Google Signed With the Pentagon.

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8 min read
Aisuite: One Client, Any Model

Aisuite: One Client, Any Model

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1 min read
Using Obsidian as a Chess Game Database

Using Obsidian as a Chess Game Database

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3 min read
Look‑Ahead Traps in Backtesting (Backtrader, MQL, PineScript)

Look‑Ahead Traps in Backtesting (Backtrader, MQL, PineScript)

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3 min read
The Traveling Salesman Problem: From 19th Century Puzzles to Genetic Algorithms

The Traveling Salesman Problem: From 19th Century Puzzles to Genetic Algorithms

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4 min read
The Red Queen Effect: Running as Fast as You Can Just to Stay in Place

The Red Queen Effect: Running as Fast as You Can Just to Stay in Place

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5 min read
My Go-To Prompt for Testing Local LLMs

My Go-To Prompt for Testing Local LLMs

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1 min read
Monthstalgia #2: Lands of Lore - Three Heroes, Same Castle, Zero Endings

Monthstalgia #2: Lands of Lore - Three Heroes, Same Castle, Zero Endings

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3 min read
Monthstalgia #1: Wyrm - The Book I Refuse to Reread

Monthstalgia #1: Wyrm - The Book I Refuse to Reread

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3 min read
Selecting an Open-Source DB for Financial Time Series

Selecting an Open-Source DB for Financial Time Series

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6 min read
Debugging the Human OS: A Comparative Analysis of Journaling Protocols

Debugging the Human OS: A Comparative Analysis of Journaling Protocols

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11 min read
The Martingale: Mathematical Origins and the Inevitability of Ruin

The Martingale: Mathematical Origins and the Inevitability of Ruin

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5 min read
Critical Thinking in the Age of AI: Why Your Brain Is Your Last Competitive Advantage

Critical Thinking in the Age of AI: Why Your Brain Is Your Last Competitive Advantage

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8 min read
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