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Blog of Jérémie Litzler

I share my notes and experiences that can be useful to one of you. Enjoy the read!

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Web Development

SQL Server - Checking the Health of a Single Index

Before you rebuild or reorganize an index, you want to know its fragmentation, size, and fill factor. Here is the query, and the caveats behind it.

Jul 14, 2026
3 minute read
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Web Development

SQL Server - Rules About IDENTITY_INSERT

If you copy data from a database to another, you might need to preserve the identifiers. But there is a caveat.

Jul 06, 2026
2 minute read
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Software Development

Passing An Argument To Docker Build Step In Azure Pipeline

It is easy to customize your Docker image with values. Here’s are the steps.

Jun 22, 2026
3 minute read
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Software Development

SQL Server - Filter on NVARCHAR Column With Substring

And what it can hide in term of performance and accuracy

Jun 10, 2026
4 minute read
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Software Development

Modify a Pushed Commit to Rewrite Git History

It can happen that you need to edit a commit that you previously pushed to the remote repository.

Jun 08, 2026
3 minute read
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Software Development

Injecting Configuration To A Service In a .NET Application

And three things to know to do it well.

Jun 01, 2026
5 minute read
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Software Development

Amending A File in Last Commit

Example: bring a shared commit from a feature branch back to its parent

May 27, 2026
2 minute read
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Artificial Intelligence

Parallel Agents With Git Worktree

I never heard of worktrees until I needed to run Claude Code in parallel. But it needs adjustements to one’s Git usage.

May 11, 2026
4 minute read
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