Git merge explained: fast-forward vs 3-way merge
What git merge does under the hood, when it produces a fast-forward and when a three-way merge commit, and how to read the resulting graph.
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How to Create and Switch Git Branches Without Losing Your Work
Learn how to create a Git branch and switch between branches with git branch, git switch, and checkout, without fear of breaking main or losing your code.
Can You Paste Customer Data Into ChatGPT Without Breaking GDPR?
Pasting customer data into ChatGPT isn't illegal by default, but it depends on your plan, your legal basis, and whether you can anonymize. A no-hype guide.
How to Go Back to a Previous Commit in Git Without Losing Work
How to go back to a previous commit in Git based on what you actually want to do: inspect it with checkout, move your branch with reset, or undo it with revert, without losing work.
The EU AI Act for business: the 4 risk levels, made clear
A plain-English summary of the EU AI regulation for decision-makers: the 4 risk levels, provider vs deployer, and the real application timeline.
How to Change the Last Commit Message in Git (--amend)
Change the last commit message in Git with git commit --amend: the exact command, what happens under the hood, and when NOT to use it without breaking anything.
Undo git add: Remove a File from Staging Without Fear
Learn how to undo git add and remove a file from staging without losing your work. git restore --staged and git reset HEAD explained step by step.
git reflog: recover commits and branches you thought were gone
git reflog saves every position HEAD has held and lets you recover commits, branches, and work after a reset --hard. Learn to read it and undo the panic.
GDPR and artificial intelligence: what you can and can't do with data
GDPR doesn't ban you from using AI. It governs what you do with people's data. A hype-free guide for decision-makers: when you can put data into an AI and when you can't.
When to Automate with AI (and When Not To)
When it pays to automate with AI and when it does not: three business filters to decide without hype, on cost and risk.
git stash: save changes without committing
Learn to use git stash to save half-finished changes, switch branches without losing work, and get it back later with pop and apply.
Reflection in AI Agents: Self-Reflection and Cross-Reflection
How an AI agent evaluates and improves its own output using self-reflection and cross-reflection. Step-by-step code guide for developers getting started.