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  • Dec 05 19:10
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  • Nov 17 05:53
    NextTurn opened #155
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    NextTurn opened #154
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    Update new-projects.md (compare)

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    onovotny on master

    Update RxUI license to reflect … Merge pull request #151 from on… (compare)

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    jongalloway on master

    (GH-111) Update SourceLink loca… Update README.md Co-Authored-B… Merge pull request #147 from ge… (compare)

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    Add new Cake Maintainer Merge pull request #150 from ge… (compare)

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Eddie
@vitieddie_twitter
all good
Guillaume Bilodeau
@gbilodeau
Given that IQueryable<T> extends IEnumerable<T>, that IQueryable<T> declares Where(Expression<Func<T, bool>>)) and IEnumerable<T> declares Where(Func<T, bool>), how does the C# compiler distinguish between both methods when using something like new List<int>().Where(x => x == 42) ?
Aelindgard
@Aelindgard
Hi all, anyone worked with .Net Framework and Visio files? I would like to programatically add an image element via a console application in C#. Is there a doc/example I could reference? The flow is once a document is placed in a folder, I would like to add a watermark like status image at the bottom right. Thank you.
AAA BBB
@aaabbbcccddd00001111
Hello. .NET, a developer platform for building apps, needs to have an editor provided as part of .NET release. VSCode is an excellent choice. VSCode would need to provide first class support for .NET.
Artemov Ivan
@ZOXEXIVO
Why dotnet publish do not copy wwwroot to output with -runtime linux-x64, but win10-x64 - is ok?
dotnet publish -c Release -o out -r linux-x64 --self-contained true /p:PublishSingleFile=true /p:PublishTrimmed=true /p:PublishReadyToRun=true
TeBeCo
@tebeco
is your csproj web sdk ? first line of the csproj itself
Artemov Ivan
@ZOXEXIVO
Is it Microsoft.NET.Sdk.Web (Blazor Server App template)
I change only runtime identifier to linux-x64 and wwwroot not copying
TeBeCo
@tebeco
got no idea out of this one, i suggest you to open an issue on blazor repo if it's specific to blazor SDK
also it's surprising that blazor that is a "client" tech has a wwwroot
blazor server side might be a bit tricky then
Artemov Ivan
@ZOXEXIVO
stop, of course - it's my bad
TeBeCo
@tebeco
?
Artemov Ivan
@ZOXEXIVO
i just migrated my angular app and i have wwwroot in gitignore.
Local build works ok, but build on Linux server use git)
TeBeCo
@tebeco
;)
Artemov Ivan
@ZOXEXIVO
Thanks
TeBeCo
@tebeco
glad you found it ^^
Marvin Rühe
@Marv51
Hi everyone!
Quick question: is the Windows.Foundation.Collections namespace still closed source? Where would I report a bug or feature request?
Karel Zikmund
@karelz
@Marv51 yes, closed sourced. Report maybe through some Windows feedback channel? (no idea)
Marvin Rühe
@Marv51
@karelz Thank you!
prog20901
@prog20901
Can someone please help me with your valuable feedback about https://jio.nexedi.com/ ???? Planning to build a full text static search engine for the given files....
muzharab
@muzharab
Hello. Would appreciate any advice on how to improve the throughput performance of a gateway-like service with requests that have a lot of data. Currently simply copying HttpWebRequest stream to context.Request.Body (OWIN).
TeBeCo
@tebeco
Migrate to aspnetcore on dotnet core would be a huge throughput performance gain
Does that count ^^ ?
muzharab
@muzharab
Yes, I believe it does. So there is a big performance difference?
TeBeCo
@tebeco

Kind of a huge one based on the assumption that you don’t have a bottleneck in your code base
By that I mean that if what is slow is, for example, a hot path using explicit lock() it won’t save you

But it will be a rather great improuvment for both throughput and memory allocation (so less GC hit => less “freeze the world”)

But it means you’ll have to rewrite your app to be aspnetcore compliant
And your third part netstandard/netcore compliant
muzharab
@muzharab
ok. Yes, there will be some challenges with porting because of library-dependencies. Thank you very much for the suggestion.
Markus Schaber
@markusschaber

We just upgraded our dev machines from VS 2017 to VS 2019. Now, during debugging, the "Tasks" View does not work anymore, showing the following message:

Viewing Task information for .NET Core 2.2 is not supported while the process is running. You can either re-target a newer version of the runtime, or view task information for minidumps of .NET Core 2.2.

Actually, the project is targeting .NET Core 2.1 (which is LTS version!), and one of the two affected machines has neither 2.2 SDK nor 2.2 runtime installed.

What's happening here, and how to fix it (except downgrading to VS 2017)?

TeBeCo
@tebeco
Out of curiosity
What about 3.0 ? 3.1 preview (next lts)
Are you using vs2019 preview ?
Did you created a feedback hub issue ?
Markus Schaber
@markusschaber
3.0 is installed, it came with VS 2019.
We're on VS 2019 Professional 16.3.9.
I did not yet create a feedback hub issue.
I'll do so now.
无限风灵
@WuLex
what ?
dude
Markus Schaber
@markusschaber
@WuLex I'm not sure what you mean?
Will Fuqua
@waf
Hello, I'm working a WPF project with .NET Core 3.1. I'm using the new Ready-To-Run feature. I've noticed that a "cold start" of my published application takes about 10 seconds to start up. After that, subsequent starts are less than a second. Any idea of how to decrease the cold start time?
The fact that the "warm start" is so fast makes me think it's not my application logic.
Will Fuqua
@waf

I ran "Process Explorer" to see what it's doing during this long pause. It appears to be extracting a bunch of DLLs out of my exe? For example it reads from MyApp.exe and then writes to ~\AppData\Local\Temp\.net\MyApp\38d4\PresentationCore.dll (one of the core WPF library DLLs). It does this for all the DLL dependencies of my app.

I'm guessing this is how the new ReadyToRun feature works. I'll go see if I can find more info about it. My app is 180MB, which is large, but not crazy large for an ahead-of-time compiled WPF app I think.

Will Fuqua
@waf

Here's a good quote from the .NET blog:

We expect that some of you will prefer single exe provided by an ahead-of-time compiler, as opposed to the self-extracting-executable approach that we are providing in .NET Core 3.0. The ahead-of-time compiler approach will be provided as part of the .NET 5 release.

Karel Zikmund
@karelz
That is single-exe application - it creates self-extracting ZIP. Easy to deploy, but you pay on first startup.
Artemov Ivan
@ZOXEXIVO
Hello!
We have some troubles in SDK Docker Images (v3.1)
Cannot find evironment variable: DOTNET_SDK_VERSION. Why you drop it? Maybe some replacement?
TeBeCo
@tebeco
Stupid question because I have no idea
But if you use sdk based image
The tag of the image drives the sdk version
Not the opposite