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2
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0answers
199 views

Callback pattern handling exceptions - Best practices in .NET 3.5

I am looking to implement the callback pattern with error handling such that error is caught and pass to the callback code with the response. Since I am using .NET 3.5, I cant use Task (TAP) pattern ...
2
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0answers
76 views

What happens differently when you add a task Asynchronously on GAE?

Google's doc on async tasks assumes knowledge of the difference between regular and asynchronously added tasks. add_async(task, transactional=False, rpc=None) Asynchronously add a Task or a list ...
1
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0answers
62 views

Downloading information, but just when needed

I'm struggling with thinking of how to implement the following (in java): I try to create a program, that displays information about lots of tv series. For this i use the website "Burning Series" (...
1
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0answers
63 views

Idiomatic way of uploading images using async to Sharepoint from ASP.NET 5

Another title could be 'How to make an async Repository pattern with image upload in ASP.NET 5' I'm making a site with ASP.NET 5 and it uses the CSOM (ClientContext, etc) to connect to a Sharepoint ...
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0answers
141 views

Is the logic behind `Asyncio.wait()` and async/await, the same, just the code is written differently (syntax)?

I'm learning Python, more specially parallel programming using Python Parallel Programming Cookbook by Giancarlo Zaccone. At the time the book was published async/await was still in the beta version ...
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0answers
177 views

What is the “async desaster” Detlef Vollmann was talking about at Meeting C++ 2014?

I found the slides of his talk there: https://meetingcpp.com/tl_files/2014/talks/executors-meetingcpp.pdf In one of the last pages, he is talking about the "async desaster" (which I, as a non-native ...
1
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0answers
64 views

Job queue dispatching based on resource constraints

We have a job-queue shaped hole in our architecture, but it isn't immediately obvious that there's a piece of existing software to fill it. There may be a reason for this, or there might not, so let ...
1
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0answers
1k views

Best method for async initialization of view model in MVVM pattern (WPF)

I'm working on a business application (C#, WPF, EF, MVVM). I need to load a bunch of items from database, create view models for them and put them in a window. Is there a way to create the view model ...
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0answers
206 views

Is Windows Workflow Foundation appropriate for a CPU-heavy async application?

At one of the DevDays conferences a presenter said that Workflow Foundation isn't just for applications that require persistence, but they can make it easier to write and maintain Async WCF code and ...
1
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0answers
248 views

Single write, multiple read of stateful objects

Scenario: One data input feed (call this Source) Multiple objects (call these Layer1) read this Source, and analyze the feed. This analysis is stateful. Layer1 objects have configuration parameters. ...
1
vote
0answers
475 views

Atmosphere + Long Polling : No message distribution?

I'm experiencing a strange behavior with Atmosphere + Long Polling. I'd like to have a broadcaster per user, so I have registered a broadcaster on resource suspension with id : /user/. I use ...
0
votes
0answers
58 views

Call any number of different web services at different time intervals

I am creating a program that needs to retrieve data at user-specified time intervals from different devices. An analog to what I am doing, is that I am performing requests to different web services. ...
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0answers
164 views

Enforce No Multiple Async Entity Framework Operations

We are working on a large-ish MVC web application with multiple backing stores including a SQL Server database accessed via Entity Framework 6.0. We are using asynchronous operations wherever we can, ...