@andrewlock.bsky.social - Andrew Lock "Sock"

28 Apr 2026 15:26 +0000

Blogged: New features in Git 2.54: easier rebasing, hooks, and statistics https://andrewlock.net/new-features-in-git-2-54-easier-rebasing-hooks-and-statistcs/ In this post I show some of the new features in Git 2.54 including simple rebases with git history, config-based hooks, and stats with git repo structure #git

21 Apr 2026 19:40 +0000

Blogged: Removing byte[] allocations in .NET Framework using ReadOnlySpan https://andrewlock.net/removingbyte-array-allocations-in-dotnet-framework-using-readonlyspan-t/ In this post I describe how to remove static byte[] allocations, even on .NET Framework, by using Span look at the associated IL, and discuss the potential risks #dotnet

14 Apr 2026 17:32 +0000

Blogged: Running AI agents with customized templates using docker sandbox https://andrewlock.net/running-ai-agents-with-customized-templates-in-docker-sandbox/ In this post I describe how to create custom templates for Docker Sandboxes, so that your sandboxes start with additional tools immediately available (like .NET) #docker #dotnet

07 Apr 2026 17:52 +0000

Blogged: Running AI agents safely in a microVM using docker sandbox https://andrewlock.net/running-ai-agents-safely-in-a-microvm-using-docker-sandbox/ In this post I show how to run AI coding agents safely while still using YOLO/dangerous mode using docker sandboxes and the sbx tool #ai #docker #sandbox #claude

01 Apr 2026 17:13 +0000

Blogged: Configuring contextual options with Microsoft.Extensions.Options.Contextual https://andrewlock.net/configuring-contextual-options-with-microsoft-extensions-options-contextual/ In this post I take a brief look at the Microsoft.Extensions.Options.Contextual package to understand what it's for, how to use it, and discuss whether to use it or not #dotnet

24 Mar 2026 15:36 +0000

Ah good, another virtual MVP Summit and because Microsoft Teams is terrible, I can't watch any of it. Classic 🙄

10 Mar 2026 22:43 +0000

This looks like a nice clean solution to a wart on .NET's localization functionality - using Fody to set a default ErrorMessageResourceType and ErrorMessageResourceName (based on the attribute type). https://github.com/mrpmorris/AutoLocalize Seems crazy that this is necessary though - am I missing something?!

10 Mar 2026 20:41 +0000

Blogged: Splitting the NetEscapades.EnumGenerators packages: the road to a stable release https://andrewlock.net/splitting-the-netescapades-enumgenerators-packages-the-road-to-a-stable-release/ In this post I describe the recent architectural changes to the NetEscapades.EnumGenerators package, which is now a metapackage, to support more scenarios #dotnet

24 Feb 2026 18:04 +0000

Blogged: Recording metrics in-process using MeterListener https://andrewlock.net/recording-metrics-in-process-using-meterlistener/ In this post I show how you can use MeterListener to listen to Instrument measurements, how to trigger Observable measurements, and how to aggregate values #dotnet #observability

17 Feb 2026 17:12 +0000

Blogged: Creating standard and "observable" instruments https://andrewlock.net/creating-standard-and-observable-instruments/ In this post I discuss the various Instrument types exposed by the System.Diagnostics.Metrics API and show examples from the .NET libraries and ASP.NET Core #dotnet #observability

03 Feb 2026 18:10 +0000

Blogged: Exploring the (underwhelming) System.Diagnostics.Metrics source generators https://andrewlock.net/creating-strongly-typed-metics-with-a-source-generator/ In this post I explore the source generators shipped in Microsoft.Extensions.Telemetry.Abstractions, explore the code, and discuss whether I would use them #dotnet

03 Feb 2026 10:16 +0000

We discovered something interesting... the decompiled output of ILSpy and dotPeek differs. Which is fine...dotPeek does a "better" job in general... except that in this case, the dotPeek code includes an infinite loop bug 😅 1) Original source for MemoryExtensions.TrimEnd() 2) ILSpy 3) dotPeek

27 Jan 2026 15:26 +0000

Blogged: Creating and consuming metrics with System.Diagnostics.Metrics APIs https://andrewlock.net/creating-and-consuming-metrics-with-system-diagnostics-metrics-apis/ In this post I provide an introduction to the System.Diagnostics.Metrics API, show how to create a custom metric, and show how to read it with dotnet-counters #dotnet