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#CSharp

2 posts2 participants0 posts today
Public
Felix Palmen :freebsd: :c64:

Now that #swad 0.7 is released, it's time to prepare a new release of #poser, my own lib supporting #services on #POSIX systems, following a #reactor with #threadpool design.

During development of swad, I moved poser from using strictly only POSIX APIs (with the scalability limits of e.g. #select) to auto-detected support for #kqueue, #epoll, #eventports, #signalfd and #timerfd (so now it could, in theory(!), "compete" with e.g. libevent). I also fixed quite some hidden bugs, and added more base functionality, like a #dictionary using nested hashtables internally, or #async tasks mimicking the async/await pattern known from e.g, #csharp. I also deprecated two features, the periodic and global "service tick" (superseded by individual timers) and the "resolve hosts" property of a "connection" (superseded by a separate resolve class).

I'll have to decide on a few things, e.g. whether I'll remove the deprecated stuff immediately and bump the major version of the "posercore" lib. I guess I'll do just that. I'd also like to add all the web-specific stuff (http 1.0/1.1 server) that's currently part of the swad code as a "poserweb" lib. This would get a major version of 0, indicating a generally unstable API/ABI as of now....

And then, I'd have to decide where certain utility classes belong to. The rate limiter is probably useful for things other than web, so it should probably go to core. What about url encoding/decoding, for example? 🤔

Stay tuned, something will come here, maybe helping you to write a nice service in plain #C 😎:

github.com/Zirias/poser

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Bamboy

Oh dear, I just found #ValaLanguage which closely mimics #csharp syntax but with minimal/no dependencies and compiles to C.

This might be my new #programming language, esp since C# isn't widely used on #Linux systems.

I think this means I have to learn about C though. #Unity3D is quickly becoming a thing of my past, one way or another.

docs.vala.dev/tutorials/progra
wiki.gnome.org/Projects/Vala/V

docs.vala.devMain Tutorial - Vala Documentation
#Vala#software#programminglanguage
Public
Cam

Can anyone recommend any C# / .net communities that are targeted towards, or generally inhabited by, people that just enjoy programming, rather than those that are focused on enterprise software and career development?

I'm finding it difficult, for obvious reasons, but I'm guessing there must be at least two of us 😅

#DotNet#CSharp#Programming
Public
Chris Woody Woodruff

Day 19 of learning Rust as a C# dev:
Rust doesn’t do nulls.
Instead, you get Option<T>—safe, explicit, and impossible to ignore.
It’s like null handling, but without the fear.

Here’s how it works:
woodruff.dev/optiont-where-nul

Chris Woody Woodruff · Option<T>: Where Null Is Not an Option - Chris Woody WoodruffAh, nulls, the "billion-dollar mistake" that haunts just about every C# developer. How many times have you chased down a NullReferenceException, muttering under your breath, "But how could this even be null?" Well, guess what? In Rust, nulls are not a thing. At least, not in the wild-and-dangerous sense we're used to in .NET. Instead, Rust gives us Option. And let me tell you, once you get a taste of it, you'll wonder why we ever let null run loose in the first place.
#RustLang#CSharp#DotNet
Public
Felix Palmen :freebsd: :c64:

Today, I implemented the #async / #await pattern (as known from #csharp and meanwhile quite some other languages) ...

... in good old #C! 😎

Well, at least sort of.

* It requires some standard library support, namely #POSIX user context switching with #getcontext and friends, which was deprecated in POSIX-1.2008. But it's still available on many systems, including #FreeBSD, #NetBSD, #Linux (with #glibc). It's NOT available e.g. on #OpenBSD, or Linux with some alternative libc.

* I can't do anything about the basic language syntax, so some boilerplate comes with using it.

* It has some overhead (room for extra stacks, even extra syscalls as getcontext unfortunately also always saves/restores the signal mask)

But then ... async/await in C! 🥳

Here are the docs:
zirias.github.io/poser/api/lat

zirias.github.ioposer: PSC_AsyncTask Class Reference
#coding
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Caroline Bell :QueerCat_Trans:

Hey I'm still looking for work.
I've applied to a lot of places in my area and I'm getting nothing.

I'm a programmer at heart, but I've also been looking for regular entry-level jobs because there haven't been any coding positions open at my level as far as I could tell.

If you can offer me a job, it might save my butt. And if you can't offer me a job, could you at least share this post?

I live 30 minutes away from Bellevue if that helps.

#fedihire#getfedihired#programmerforhire
Public
WetHat💦

How to fix slow code:
➡️ Avoid logging everything in production: it eats resources and slows execution.
➡️ Loops matter: use optimized methods like list comprehensions in Python for speed.
➡️ Be mindful of hardware quirks like cache misses and memory fragmentation.
➡️ Understand how database queries and copy-paste operations can impact efficiency.

freecodecamp.org/news/why-your

freeCodeCamp.org · Why Your Code is Slow: Common Performance Mistakes Beginners MakeMaybe you’ve experienced something like this before: you’ve written code that works, but when you hit “run,” it takes forever. You stare at the spinner, wondering if it’s faster to just solve the problem by hand. But you end up looking something like...
#Programming#Python#JavaScript
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SpielmannSpiel

found, not really a bug, an interesting behavior in C# and @godotengine

When parsing JSON, an int gets parsed to a float. Which probably makes sense, since everything in JavaScript is a float anyways.
But that then breaks the ulong parsing with a wrong format. Don't know if this is a new 4.4 behavior or if it was always this way. In any case it took me a while to find this bug in my code.

#csharp #godot #gamedev #indiedev #Godot4 #programming #programmingtips #JavaScript #json

TL;DR: The image shows C# code in Godot reading a JSON response. A debug tooltip reveals the raw JSON string. Description: The screenshot captures a C# code snippet in the Godot engine, where an HTTP response is being read asynchronously. The line `string responseBody = await response.Content.ReadAsStringAsync(cancellationToken);` retrieves the response as a string. A debug tooltip displays the JSON content, showing keys such as `"hasError"`, `"switchOn"`, `"switchOff"`, `"total"`, and `"isSwitchOn"`. The `"total": 68` value is underlined in red, possibly indicating focus or debugging interest.
TL;DR: The image shows C# code in Godot, parsing a JSON response. A debug tooltip reveals parsed data. Description: The screenshot displays a C# code snippet inside the Godot game engine. The line of code parses a JSON string into a `Variant` type using `Json.ParseString(responseBody)`. A debug tooltip appears, showing the parsed JSON object containing keys like `"hasError"`, `"switchOn"`, `"switchOff"`, `"total"`, and `"isSwitchOn"`. The red underline highlights the `"total"` key. The code is likely debugging a game or application logic that involves switches or toggles.
TL;DR: The code attempts to parse a floating-point number as an `ulong`, causing a `System.FormatException`. Description: The image shows a debugging window in an IDE, evaluating an expression in C# within Godot. The expression tries to parse the `"total"` field from a `GodotDictionary` as an `ulong` using `ulong.Parse(data.AsGodotDictionary<string, string>()["total"])`. However, the value `"68.0"` is a floating-point number (with a decimal point), causing a `System.FormatException`. The error message indicates that the input string is not in the correct format for an unsigned long integer. The issue can be resolved by converting to `double` or `decimal` first, or by ensuring the value is an integer before parsing.
Public
Olivia A-C

Hi y'all, this has become a bit more important now. I learned this week that my current contract will not be renewed for funding reasons. Please see the quoted post for more info! ​:boost:​

#FediHire #GetFediHired #OpenStreetMap #Python #Rust #JavaScript #CSharp #C #GIS #DistributedSystems #Networking

RE: https://transfem.social/notes/a4imho4jra5v01up

TransFem SpaceOlivia A-C (@LivInTheLookingGlass)#FediHire | Software Engineer & Data Scientist | Chicago, IL, US | Remote Preferred I’m Olivia Appleton-Crocker, a software engineer with a strong background in backend development, data science, & research. I have an MS in Computer Science & Engineering from MSU, where I published papers on distributed systems. Currently a Data Science Fellow at the TMW Center, improving code coverage & diagnosing bugs. Previously at Intel, coordinating small teams & influencing NVMe spec changes. I’ve put extensive work into #OpenStreetMap, currently adding Chicago sidewalks, mapping my hometown, & leading disaster-response mapathons. Built overpassify–a transpiler for querying OSM data in idiomatic Python. Projects include adding UDPLite to CPython & a multi-language Project Euler site. Proficient in Python, C/C++, Rust, JavaScript, C#, SQL, Fortran & more. Seeking roles in software engineering, data science, or research—especially in open-source, GIS, Rust, or distributed systems. More info: https://oliviaappleton.com
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Aptivi

Mono is back! Mono 6.14.0 released!

The first major version of Mono has been released after more than five years of no release. The WineHQ project has taken over the development of the .NET Framework version of Mono back on August 2024 after a fork has been made back in February 2024 under the project’s GitLab instance. This major version is under 6.14.0 and is available to download now.

The release changelogs states that Mono finally has native support for macOS with ARM64 processors, which makes your developer experience when using such machines improved. In addition to that, there have been several improvements regarding System.Windows.Forms for Mono GUI applications to fix resource leaks, to re-implement clipboard and drag-and-drop functionalities, and to improve stability on X11.

This release has also improved support for generated COM interfaces for apps that use them. Mono should no longer hang when the process is being exited in some common cases. In addition to that, Mono should no longer experience many bugs and many build warnings.

For Gregorian users, Mono finally has support for the Gregorian language, which means that you can now use Mono in your native language to improve your user experience.

To download Mono’s source code, click on the button below:

Download source code

https://audiomack.com/aptivi/song/mono-is-back-mono-6140-released

#Net#NetFramework#C_
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