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.NET Parallel Programming
.NET Parallel Programming
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    .NET Parallel Programming

    All about Async/Await, System.Threading.Tasks, System.Collections.Concurrent, System.Linq, and more…

    Task Parallel Library - .NET Parallel Programming

    New Task APIs in .NET 4.6
    New Task APIs in .NET 4.6
    February 2, 2015 Feb 2, 2015 02/2/15
    Stephen Toub - MSFT
    There are several nice API-level enhancements to the Task Parallel Library in .NET 4.6, which you can grab a preview of as part of the Visual Studio 2015 CTP. Task.From* .NET 4.5 had a Task.FromResult method.  This method makes it quick and easy to manufacture a new Task for a known result value, and is particularly useful when ...

    Comments are closed.0Task Parallel Library
    Tasks, Monads, and LINQ
    Tasks, Monads, and LINQ
    April 3, 2013 Apr 3, 2013 04/3/13
    Stephen Toub - MSFT
    A few years back, Wes Dyer wrote a great post on monads, and more recently, Eric Lippert wrote a terrific blog series exploring monads and C#. In that series, Eric alluded to Task<TResult> several times, so I thought I’d share a few related thoughts on Task<TResult> and the async/await keywords.As both Wes and Eric highlight...

    4.NET 4.5AsyncParallel Extensions
    “Invoke the method with await”… ugh!
    “Invoke the method with await”… ugh!
    March 13, 2013 Mar 13, 2013 03/13/13
    Stephen Toub - MSFT
    I can be a bit sensitive when it comes to language and how concepts are conveyed.  I think it’s important to be accurate, even if not precise, when describing what something is or how to use it, as otherwise the folks to whom you’re communicating can easily form the wrong mental model for that thing.  Having a good mental...

    Comments are closed.0.NET 4.5AsyncParallel Extensions
    MVP Summit presentation on async
    MVP Summit presentation on async
    February 20, 2013 Feb 20, 2013 02/20/13
    Stephen Toub - MSFT
    Lucian Wischik and I presented an "async clinic" at the MVP Summit in Bellevue this week.  The async/await keywords in C# and Visual Basic drastically simplify asynchronous programming, but that of course doesn't mean that using them is without any gotchas: the goal of the discussion was to highlight some of the key areas in ...

    1.NET 4.5AsyncParallel Extensions
    Psychic Debugging of Async Methods
    Psychic Debugging of Async Methods
    January 28, 2013 Jan 28, 2013 01/28/13
    Stephen Toub - MSFT
    These days it’s not uncommon for me to receive an email or read a forum post from someone concerned about a problem they’re experiencing with an async method they’ve written, and they’re seeking help debugging the issue.  Sometimes plenty of information about the bug is conveyed, but other times the communication ...

    Comments are closed.0.NET 4.5AsyncParallel Extensions
    Cooperatively pausing async methods
    Cooperatively pausing async methods
    January 13, 2013 Jan 13, 2013 01/13/13
    Stephen Toub - MSFT
    Recently I was writing an app that processed a bunch of files asynchronously.  As with the Windows copy file dialog, I wanted to be able to provide the user with a button that would pause the processing operation.To achieve that, I implemented a simple mechanism that would allow me to pass a “pause token” into the async method...

    Comments are closed.0.NET 4.5AsyncCancellation
    How do I cancel non-cancelable async operations?
    How do I cancel non-cancelable async operations?
    October 5, 2012 Oct 5, 2012 10/5/12
    Stephen Toub - MSFT
    This is a question I hear relatively frequently: “I have an async operation that’s not cancelable.  How do I cancel it?” The construction of the question often makes me chuckle, but I understand and appreciate what’s really being asked.  The developer typically isn’t asking how to cancel the operation...

    4.NET 4.5AsyncParallel Extensions
    New TaskCreationOptions and TaskContinuationOptions in .NET 4.5
    New TaskCreationOptions and TaskContinuationOptions in .NET 4.5
    September 22, 2012 Sep 22, 2012 09/22/12
    Stephen Toub - MSFT
    Astute users of the Task Parallel Library might have noticed three new options available across TaskCreationOptions and TaskContinuationOptions in .NET 4.5: DenyChildAttach, HideScheduler, and (on TaskContinuationOptions) LazyCancellation.  I wanted to take a few minutes to share more about what these are and why we added them....

    Comments are closed.0.NET 4.NET 4.5Task Parallel Library
    Forking in async methods
    Forking in async methods
    September 11, 2012 Sep 11, 2012 09/11/12
    Stephen Toub - MSFT
    Given that .NET 4.5 has only recently been released in its final form, it’s not surprising that many folks are still very new to the async/await keywords and have misconceptions about what they are and what they do (I’ve tried to clarify some of these in this Async/Await FAQ).  One of the more common misconceptions is that a ...

    Comments are closed.0.NET 4.5AsyncParallel Extensions
    Implementing Then with Await
    Implementing Then with Await
    August 15, 2012 Aug 15, 2012 08/15/12
    Stephen Toub - MSFT
    In a post a while ago, I talked about sequential composition of asynchronous operations.  Now that we have the async/await keywords in C# and Visual Basic, such composition is trivial, and async/await are indeed the recommended way to achieve such composition with these languages.However, in that post I also described a few “Then&...

    Comments are closed.0.NET 4.5AsyncCode Samples
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