AspNetCoreDiagnosticScenarios
csharplang
AspNetCoreDiagnosticScenarios | csharplang | |
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53 | 262 | |
7,454 | 10,899 | |
- | 1.1% | |
6.0 | 9.6 | |
about 1 month ago | 3 days ago | |
C# | C# | |
- | - |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
AspNetCoreDiagnosticScenarios
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Asynchronous Programming in C#
Important: following #prefer-asyncawait-over-directly-returning-task from https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b... is not correct.
The concerns raised are niche and edge case and task must always be forwarded as is provided there is no post-processing or resource cleanup with idisposable.
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Give me your async/await gotchas
This one is a pretty decent guide - https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/blob/master/AsyncGuidance.md
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What's the Benefit/Allure of Async/Await vs. CSP/Green Threads (and Other Concurrency Models)?
The C# (mostly applicat community has e.g. https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/blob/master/AsyncGuidance.md written by one of the Asp.Net architects. I found this in this lovely thread https://news.ycombinator.com/item?id=36785691 which expresses my views/confusion more clearly than I can express.
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The State of Async Rust
No it doesn't, hence why there are best practices guidelines written by the .NET architects, and there was a research project to add Go/Java co-routines as well.
https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
https://twitter.com/davidfowl/status/1532880744732758018?lan...
https://github.com/dotnet/runtimelab/issues/2057
https://github.com/dotnet/runtimelab/issues/2398
- Java 21 makes me like Java again
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The Downsides of C++ Coroutines
They don't work just fine in C#, there is a reason why one of ASP.NET architects has written a guide of best practices.
https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
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No-GIL mode coming for Python
Many that praise async/await in C#, kind of forget it took about 10 years to spread across all the layer of the language and runtime, since it was done via IL rewriting, it caused several issues with F# async tasks, due to the age of the ecosystem plenty of code isn't async/await friendly and needs to be wrapped into Task.Run() or similar.
There is a best practices guideline from one of the ASP.NET architects, https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
During last year they researched adding Go/Java's approach to .NET, but now it is too late. See the ASP.NET Q&A session at BUILD 2023.
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Task vs threads - use cases
The best guidance I have found was from here: AsyncGuidance.md
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How Much Memory Do You Need to Run 1M Concurrent Tasks?
To expand upon this thought, here is the AsyncGuidance doc[1] on why not to use .Result to get the return value of a completed Task in C#.
To make this simple they introduced async Main[2] a few years ago.
[1]: https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...
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React developer to NET
Async Guidance
csharplang
- Discriminated Unions: Essa feature faz falta no CSharp
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DevDocs
Certain parts of Microsoft Learn are permissive, for example the .NET BCL documentation is Creative Commons Attribution: https://github.com/dotnet/dotnet-api-docs as is ASP.NET Core: https://github.com/dotnet/AspNetCore.Docs (a good hint if documentation is permissively licensed and on GitHub is if there's an edit button at the top.)
The C# language specification is unfortunately a bit fuzzier: https://github.com/dotnet/csharplang/discussions/4855
The updated unified C# language specification is CC, but it's still catching up to modern C#: https://github.com/dotnet/csharpstandard
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The golden age of Kotlin and its uncertain future
No OP, but for example you still see the C# folks still struggling to add discriminated unions to the language because of complex interactions due to its too many features[1]. Virtual threads are easier to use than async/await is another example.
[1] https://github.com/dotnet/csharplang/issues/113
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When static types make your code shorter
For example, C# had a research fork called Spec# that had compile-time support for contracts, with keywords such as requires (for arguments) and ensures (for return values), all the way back in 2004. While still being discussed, it doesn't seem to be shipping any time soon.
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.NET 8 – .NET Blog
Hi there. I'm the language designer who created the 'Collection Expression' design/specification: https://github.com/dotnet/csharplang/issues/5354
You can see the entire history of the proposal there. To answer you specific question, we went with `..` because that's what the language already uses for the complimentary 'pattern matching deconstruction' form for collection patterns.
In other words, you can already say this today:
if (x is [var start, .. var middle, .. var end]) { ... }
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What's new in C# 12: overview
You must specify concrete type.
There was a plan to have "natural type" so "var list = [1,2,3]" would be of type "List" but it was postponed to C# 13 (https://github.com/dotnet/csharplang/issues/5354#issuecommen...)
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Robust Design through Value Objects in C#
While C# currently lacks direct support for this kind of functionality, there's a glimmer of hope with an active proposal under discussion that aims to bring this feature to the language. This potential addition promises a future where C# can natively offer similar robust type narrowing.
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The combined power of F# and C#
Given few people anticipated ValueTuple and C# adding a more direct tuple syntax, I feel like it is only a matter of time before C# adds discriminated unions.
(There are multiple proposals tracking the idea. This seems the most comprehensive and "central": https://github.com/dotnet/csharplang/issues/7016)
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Should i quit Django and move to asp.net
I always liked list abbreviations in python, but I absolutely love Linq. I believe there is a feature proposal for C# 12, which makes collection initialization better imo.
- Can constructor parameter assignment be made less verbose?
What are some alternatives?
PSI - Private Set Intersection Cardinality protocol based on ECDH and Bloom Filters
language-ext - C# functional language extensions - a base class library for functional programming
t-digest - A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means
jOOQ - jOOQ is the best way to write SQL in Java
WPF - WPF is a .NET Core UI framework for building Windows desktop applications.
SharpLab - .NET language playground
hamt - A hash array-mapped trie implementation in C
SQLDelight - SQLDelight - Generates typesafe Kotlin APIs from SQL
Hot Chocolate - Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Banana Cake Pop the awesome Monaco based GraphQL IDE.
runtimelab - This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.
eShopOnWeb - Sample ASP.NET Core 8.0 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.
.NET Runtime - .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.