RSS as a Simple Distribution Protocol
June 30, 2026
A short technical model for RSS: one stable feed URL, many item entries, article links, dates, and stable GUIDs so readers can notice new work.
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From Refactor Tools to Change Plans
Why AI agents make the old lesson of IDE refactoring broader: inspect the system before changing it.
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Git Worktrees Are Separate Desks
June 25, 2026
A simple mental model for Git worktrees: separate folders for the same repository history, each with its own files, staging area, and HEAD.
EC2 Disk and Swap Resilience: Headroom Before Emergencies
June 21, 2026
A practical runbook for expanding EC2 disk space before increasing swap, so small servers survive temporary pressure without treating swap as real RAM.
Dependabot Is an Update Scout
June 20, 2026
A beginner-friendly explanation of how Dependabot watches project dependencies, opens update pull requests, and still leaves tests and human review in charge.
From Refactor Tools to Change Plans
June 19, 2026
Why AI agents make the old lesson of IDE refactoring broader: inspect the system before changing it.
Use .git/info/exclude for Local Notes in a Shared Repo
June 18, 2026
How Git's local exclude file keeps personal notes, AI research, scratch scripts, and temporary files out of shared repository history.
Spying Without Replacing with mocker.spy
February 12, 2026
How to watch real functions without faking them.
Dependency Injection
February 2, 2026
Understanding dependency injection through practical Flask examples and avoiding common pitfalls.
Testing the Decorator Pattern
January 4, 2026
Understand decorators as function composition and test them safely.
How Passkeys Rely on Private & Public Key Signing
January 1, 2026
An engineer-friendly explanation of how cryptographic signing enables passkeys to authenticate users using key ownership instead of passwords.
Patching the Right Thing with mocker
November 30, 2025
A quick tour on why “patch where it’s used” matters.
Mapping Programming Conditionals to Logic Gates
November 23, 2025
How if/else correspond to boolean expressions, logic gates, and why clauses can be safely reordered.
Set up Multiple Github accounts on Mac
November 23, 2025
Configure multiple GitHub accounts on the same Mac using SSH keys and per-repository settings
RSS as a Simple Distribution Protocol
June 30, 2026
A short technical model for RSS: one stable feed URL, many item entries, article links, dates, and stable GUIDs so readers can notice new work.
Git Worktrees Are Separate Desks
June 25, 2026
A simple mental model for Git worktrees: separate folders for the same repository history, each with its own files, staging area, and HEAD.
EC2 Disk and Swap Resilience: Headroom Before Emergencies
June 21, 2026
A practical runbook for expanding EC2 disk space before increasing swap, so small servers survive temporary pressure without treating swap as real RAM.
Dependabot Is an Update Scout
June 20, 2026
A beginner-friendly explanation of how Dependabot watches project dependencies, opens update pull requests, and still leaves tests and human review in charge.
Use .git/info/exclude for Local Notes in a Shared Repo
June 18, 2026
How Git's local exclude file keeps personal notes, AI research, scratch scripts, and temporary files out of shared repository history.
Spying Without Replacing with mocker.spy
February 12, 2026
How to watch real functions without faking them.
Dependency Injection
February 2, 2026
Understanding dependency injection through practical Flask examples and avoiding common pitfalls.
Testing the Decorator Pattern
January 4, 2026
Understand decorators as function composition and test them safely.
How Passkeys Rely on Private & Public Key Signing
January 1, 2026
An engineer-friendly explanation of how cryptographic signing enables passkeys to authenticate users using key ownership instead of passwords.