.NET Ketchup

Join me with members of the .NET team to celebrate the .NET 9, .NET Aspire 9 and EF Core 9 release on Tue Nov 12. Watch my session: "Migrate your .NET Framework / EF6 "Classic" app to .NET 9 and Azure SQL" on Thu at 15:00 CET #dotnet #efcore pic.x.com/meClJheNy3

.NET 9 will natively support UUID v7 👏 #dotnet These GUIDs have a timestamp embedded so are sortable and thus are a better fit for DBs like PostgreSQL and MySQL (but unfortunately not MSSQL). x.com/i/web/status/1… pic.x.com/K5mFNdDzsp

'you should always use StringBuilder ...' #dotnet Be careful if you get the still common enough advice that you should always use StringBuilder when doing string concatenation from other devs online or in person. SB has initialization and maintenance overhead which means it… x.com/i/web/status/1… pic.x.com/SzvIwgZUHe

If you missed it, the MVVM Toolkit 8.4.0 preview now supports partial properties! This means custom accessibility for property accessors, better nullability annotations, compatibility with other generators, AOT support for UWP and WinUI 3, and more! Try it out! 🚀 #csharp #dotnet pic.x.com/g2emFRl63a

Welcome new .NET Foundation Project: MessagePack-CSharp A highly performance-optimized library for serializing .NET data types using MessagePack, a compact and fast binary format. hubs.ly/Q02WRFLj0 #dotnet #csharp pic.x.com/sRdq7lWA7w

.NET 9 v .NET 8 string concatenation benchmarks #dotnet x.com/i/web/status/1… pic.x.com/phAi01CuhJ

Need to search log file(s) for a date/time range? #PowerShell with #regex to find the lines, sort on date & stitch together to make easier. sls "\s(07-11-24 10:3[78]:\d\d)\s*\-\s*(.*$)" C:\Logs\*.log|select @{n='Time';e={$_.Matches.groups[1].value -as… x.com/i/web/status/1… pic.x.com/4wQL6ZT7i6pic.x.com/4wQL6ZT7i6pic.x.com/4wQL6ZT7i6

Everything you need to know about the "required" modifier in #csharp in less than 1 minute 👇 pic.x.com/PpykHhif3S

We made some changes with the Azure functions team to make the .NET APIs use the new builder API pattern. #dotnet #azure #functions pic.x.com/RkZFHDO8vi

String Concatenation in .NET 9 benchmarks There are other approaches when we need even better performance but out of the common approaches shown below StringJoin kicks ass. #dotnet x.com/i/web/status/1… pic.x.com/J998yp7sBN

Get started with SignalR tutorial ⬇️ #dotnet Getting started with SignalR is likely easier than you think. Here's a nice tutorial (link in 2nd tweet) from MS learn which shows us how to ... Create a web project. Add the SignalR client library. Create a SignalR hub. Configure… x.com/i/web/status/1… pic.x.com/MJRcdNvAfz

Starting w/ Visual Studio 17.12 P5, UWP .NET 9 projects will use the new standalone MSIX tooling NuGet package! We decoupled it from WindowsAppSDK to provide a consistent UX for both UWP and WinUI 3 apps and much easier to update! More features coming soon! 👀 #csharp #windowsdev pic.x.com/kHxlM48y2U

StringSyntax attribute example 💡 #dotnet The StringSyntax Attribute (.NET 7+) allows us to tell Visual Studio what kind of string (e.g. regex, datetime format, JSON etc.) we are working with in order to get correct intellisense and highlighting. Have you used it yet? x.com/i/web/status/1… pic.x.com/HzKcnE5lSV

#PowerShell to get Windows release & build number gpv 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion' LCUVer Cast to [version] type and can then compare with other releases as necessary pic.x.com/wOzzQSfdDqpic.x.com/wOzzQSfdDqpic.x.com/wOzzQSfdDq

#PowerShell 1 liner to join Hyper-V VM to AD domain setting the computer name to be the VM name. Prompts for domain join credentials when running as local admin. In my lab I create new VMs by copying sysprep'd disk to a new VM Add-Computer -NewName (gpv… x.com/i/web/status/1… pic.x.com/wtBhpuHB5F

Take 3! Download any MS Store app and save it as an AppX package using #PowerShell. Now without any 3rd party involvement getting the URLs.🙂 Also works for the newer .exe package type. tinyurl.com/36a87m88 #ConfigMgr #MEMCM #WeAreOnevinn #Intune pic.x.com/C3UrOq6yUS

.@Office365 Compliance officers and eDiscovery people might like how to use #PowerShell to extract and analyze interactions with #Microsoft365 Copilot from a user's mailbox: practical365.com/copilot-intera… pic.x.com/cRBo02WHa5