simoncropp.bsky.social
@simoncropp.bsky.social
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i have some bandwidth tomorrow. anyone want to get on a call and discuss

* .net polyfills?
* snapshot testing?
* any topic related to any of my other projects?
Reposted
I love this place. I feel so lucky to have a fully #remotework and can go for a walk to visit the castle and other amazing places nearby. No $$$ can make up for this.

Photo by Roman Szymański, our local photographer.
that doesnt help in this situation.
Reposted
It's Patch Tuesday and ASP.NET Core has a doozy, with a CVSS score of 9.9, our highest ever. Let's examine why.

The bug enables http request smuggling, which on its own for ASP.NET Core would be nowhere near that high, but that's not how we rate things...

* Thread- (1/7)
Microsoft Security Advisory CVE-2025-55315: .NET Security Feature Bypass Vulnerability · Issue #371 · dotnet/announcements
Microsoft Security Advisory CVE-2025-55315: .NET Security Feature Bypass Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability i...
github.com
In my experience: if a feature is not documented, it may as well not exist.

The corollary of this is: The cheapest way to create a feature is to add that documentation
Reposted
Send me libraries that deal with network serialization 👀

We need to design a nice protocol to send/receive requests/responses/WebSocket events between processes in MSW. Looking for inspiration. Retweet appreciated!
loving the Mermaid diagram support. Is that consumable as a stand alone nuget?
Reposted
So apparently my client has decided that we should (1) start using Cursor, and (2) show up at the office four days a week.

After more than 6 years there, I’m thinking this might be my cue to eject.

Anyone looking for a coder for a remote gig (or hybrid in Stockholm)?
yeah it is horrible

so what will u be working on?
me... yak shaving xlsx files so they are deterministic for snapshot testing 😩
will take a look at this tomorrow
doh. i wanted to have it more complete before letting u know

i actually started it a fee days before u mentioned u wanted it. crazy coincidence
Snapshot testing for Excel documents via ClosedXml

github.com/VerifyTests/...

This took me way longer than expected. Mostly in the area of forcing excel documents to produce repeatable deterministic binaries over multiple test runs.
GitHub - VerifyTests/Verify.ClosedXml: Extends Verify to allow verification of Excel documents via ClosedXML.
Extends Verify to allow verification of Excel documents via ClosedXML. - VerifyTests/Verify.ClosedXml
github.com
for us it is taking data from ef. so we just make the ef query map directly into the shape that the report needs. as a side effect it also avoids pulling back unnecessary data from the db