Blog articles tagged 'async'

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on 5/20/2013 4:14 PM

Resources: Amazon, Barnes and Noble, Play Books The book's web site (O'Reilly) – downloads, errata etc A while ago I was attending one of the Developer, Developer, Developer conference in Reading, and I heard Alex Davies give a talk about actor[...]

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DNS collisions detection with F# Async Workflows

on 4/17/2013 10:28 AM

There is one more useful application of script from the “Explore local network with F# Async Workflows” post. During the check of the machine availability we can collect IP addresses of all machines. After that we can compare IPs of different hosts names [...]

f# async

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Explore local network with F# Async Workflows

on 4/16/2013 3:43 PM

One more interesting task is to explore local network and check which computers are alive. As a first step we need to get a list of computers which registered in Active Directory (as you understand, this approach works only for networks with Active Direct[...]

f# async

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AOP – using PostSharp attributes with async Task/Task<T> methods

on 11/23/2012 1:29 PM

NOTE: if you’re unfamiliar with how PostSharp works under the hood, I highly recommend that you check out Dustin Davis’ excellent PostSharp Principles series of blog posts here. The Problem The new async/await keywords in C# are pretty awesome, and makes [...]

async .net programming aspect oriented programming postsharp

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C# – beware of async void in your code

on 10/25/2012 3:29 PM

In general, when you see async void in your code it’s bad news, because: you can’t wait for its completion (as mentioned in this post already) any unhandled exceptions will terminate your process (ouch!) Suppose you have a timer event that fires every o[...]

async c# .net programming

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Eduasync 20: Changes between the VS11 Preview and the Visual Studio 11 Beta

on 3/6/2012 11:54 AM

A while I ago I blogged about what had changed under the hood of async between the CTP and the VS11 Preview. Well, now that the VS11 Beta is out, it's time to do it all again... Note that the code in this post is in the Eduasync codebase, under a differe[...]

async c# c# 5 eduasync

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Eduasync part 19: ordering by completion, ahead of time...

on 1/16/2012 2:22 PM

Today's post involves the MagicOrdering project in source control (project 28). When I wrote part 16 of Eduasync, showing composition in the form of majority voting, one reader mailed me a really interesting suggestion. We don't really need to wait for a[...]

async c# c# 5 eduasync

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Eduasync part 18: Changes between the Async CTP and the Visual Studio 11 Preview

on 1/11/2012 5:34 PM

In preparation for CodeMash, I've been writing some more async code and decompiling it with Reflector. This time I'm using the Visual Studio 11 Developer Preview - the version which installs alongside Visual Studio 2010 under Windows 7. (Don't ask me abou[...]

async c# c# 5 eduasync

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Making Async 5x Faster

on 12/15/2011 2:43 PM

In this article I discuss why F# Async is a good thing for writing concurrent software on .NET and show how to implement your own Async specialized for low-concurrency use. As a sample application, I look at a simple CML-style blocking channel.[...]

f# async performance webserver

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Fixing a hole…

on 12/11/2011 3:30 PM

Due to popular demand… well, I had a couple of requests anyway :-) So heres my post inspired by my recent encounters profiling some of the code in Fracture-IO. I have recently been profiling the code in fracture to remove any so called low hanging fruits[...]