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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 Archives | .NET Parallel Programming

    New Task APIs in .NET 4.6
    New Task APIs in .NET 4.6
    AvatarStephen Toub - MSFTFebruary 2, 2015Feb 2, 201502/2/15
    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. Ā 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
    AvatarStephen Toub - MSFTApril 3, 2013Apr 3, 201304/3/13
    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 4.5Async
    “Invoke the method with await”… ugh!
    “Invoke the method with await”… ugh!
    AvatarStephen Toub - MSFTMarch 13, 2013Mar 13, 201303/13/13
    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 4.5Async
    MVP Summit presentation on async
    MVP Summit presentation on async
    AvatarStephen Toub - MSFTFebruary 20, 2013Feb 20, 201302/20/13
    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 4.5Async
    Psychic Debugging of Async Methods
    Psychic Debugging of Async Methods
    AvatarStephen Toub - MSFTJanuary 28, 2013Jan 28, 201301/28/13
    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 4.5Async
    Cooperatively pausing async methods
    Cooperatively pausing async methods
    AvatarStephen Toub - MSFTJanuary 13, 2013Jan 13, 201301/13/13
    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 4.5Async
    How do I cancel non-cancelable async operations?
    How do I cancel non-cancelable async operations?
    AvatarStephen Toub - MSFTOctober 5, 2012Oct 5, 201210/5/12
    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 4.5Async
    New TaskCreationOptions and TaskContinuationOptions in .NET 4.5
    New TaskCreationOptions and TaskContinuationOptions in .NET 4.5
    AvatarStephen Toub - MSFTSeptember 22, 2012Sep 22, 201209/22/12
    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 4.5
    Forking in async methods
    Forking in async methods
    AvatarStephen Toub - MSFTSeptember 11, 2012Sep 11, 201209/11/12
    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 4.5Async
    Implementing Then with Await
    Implementing Then with Await
    AvatarStephen Toub - MSFTAugust 15, 2012Aug 15, 201208/15/12
    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 4.5Async
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