Tagged Questions
This covers the asynchronous programming model supported by various programming languages, using the async and await keywords.
0
votes
1answer
55 views
Getting data async
I need to handle concurrent requests by waiting for the result of an already running operation. Is this code safe or does it contain bugs?
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6
votes
1answer
111 views
Priorizatable command queue
This code consistently executes commands with a given priority. How can I to improve it?
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3
votes
2answers
66 views
Mapping a user input string to a corresponding block of code
My idea is I can define a block of code (inline) that corresponds to an input string then can call that block of code when given that input.
I'm used to this sort ...
1
vote
1answer
41 views
JavaFX await implementation
I'm debating trying to take a crack at getting something similar to C#'s async-co-routine like nature over on JavaFX.
This is technically feasible since the Quantem toolkit exposes the ...
11
votes
3answers
336 views
Async insecurities
I feel like I'm overdoing the async await stuff. I'm just learning. Maybe this isn't the best instance to be using this stuff.
I have a system with sensors that detect the completion of some ...
18
votes
2answers
154 views
+100
RubberduckParser 2.0 - Asynchronous Parsing
The IRubberduckParser interface has seen breaking changes, and now looks like this:
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0
votes
2answers
80 views
Async - await all the way
Related to this question (and even this Stack Overflow's one) I have been trying to avoid blocking the code. So what I understood it's that is preferable to make all the methods that rely on an async ...
1
vote
1answer
53 views
Change implementation from getting json from file to get it from API
I used to get a JSON file with some configuration settings from the file system, using this class:
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1
vote
2answers
106 views
Running tasks in parallel
I've just started writing asynchronous methods for the first time having watched some tutorials.
I have a method where I run two tasks in parallel (...
7
votes
1answer
183 views
Async Yield and continue on TaskPool
Using await task.ConfigureAwait(false) is a standard best practice for indicating to the compiler that the continuation does not need to be run on the current ...
0
votes
1answer
49 views
Calling synchronous code in asynchronous method
I'm implementing an interface with the async method Execute. In this I need to call some synchronous code. (removing an item from a dictionary). What would be the ...
0
votes
1answer
15 views
JW Player + Brightcove Integration
The following code gets video renditions from Brightcove using the media API. It then generates an ordered source list for the JW Player and selects the default rendition based on a pre-set bitrate.
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1
vote
1answer
89 views
Updating sychronous code to run asynchronously using async/await
I maintain an application that has a method in a class for saving uploaded files to filesystem and I want to run asynchronously as it saves multiple files in a single request. I don't know if it's ...
3
votes
1answer
65 views
Await state async
For speed we sometimes return response to consumer before state is saved in DB. Sometimes (Mostly for our automated consumers) this can break because the want to make actions on the saved data before ...
5
votes
1answer
125 views
Async access to School
I have this class with two public async methods, which also calls some private methods that are async.
Here's the class:
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5
votes
1answer
174 views
Implementation Async/Await
I have a simple ASP.NET Web API project. Now I want to make all basic methods as asynchronous. I tried to do something, and it's working but I'm not sure that it was implemented properly.
Please ...
1
vote
2answers
186 views
UI error display window with task async in WPF
I am new to async and was wondering if any improvement can be made to the solution I put together from scattered information on the web.
The following (working) code shows how a button press runs ...
1
vote
1answer
175 views
Windows Service listening for messages from a network
I am new with async task in C# 4.5 and feel insecure about this:
I want to create a Windows Service that listen messages from a network (similar to msmq for example), when a message is received, do ...
2
votes
0answers
57 views
Implementing TAP around WMI
I'm trying to improve my skills with the Task-based Asynchronous Pattern (TAP), by writing simple task-based wrappers around some WMI methods:
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2
votes
1answer
134 views
Downloading data using HttpClient
I'm working on a class to download some data from an external server and feed it into my data model. I'm new to both HttpClient and ...
8
votes
1answer
127 views
Looping until browser document is ready
I made a do...while loop in order to wait for the web browser to load completely in order to enter username and password. I don't know whether this impacts the ...
2
votes
1answer
680 views
Getting messages asynchronously using MailKit
I'm writing a prototype for an application that uses MailKit and imap to connect to gmail. It's the first time I've used MailKit and I'm a bit stumped around the best way to do this.
Essentially, I ...
4
votes
2answers
180 views
Async & ContinueWith
I am implementing my own UnitOfWork for an EntityFramework-DataContext.
I want to call ...
2
votes
1answer
219 views
C# Async and DataContext access
I'm using a DataContext to insert an object. Currently it's working, but I'm feeling things could be done better. Method is called from UI (Using Caliburn Micro Binding). IsBusy is a property used by ...
2
votes
2answers
138 views
Class for easier to read IProgress<Class> handling (Version 2.0)
This is an update to my question Class for easier to read IProgress handling and includes the suggestions from @svick, with one exception.
It was also suggested to change the setter for ...
2
votes
1answer
502 views
Cancellable progress form using async/await
Introduction:
For a project I'm working on I used a BackGroundWorker to lift some heavy tasks away from the UI thread and report progress. For this I created some ...
4
votes
1answer
148 views
Calling common async code from a derived method
I'm implementing a number of classes in C# that have async methods. However, each of these methods needs to implement some boilerplate code that is common to all. Therefore I've implemented the common ...
5
votes
1answer
1k views
Async SerialPort Wrapper
I've been working with the SerialPort class for a while, trying to figure out the best way to work with it, and especially adding support for Async-Await in C#. I ...
2
votes
1answer
174 views
Listening for several connections in an async method
Is there a better way to structure a method that returns a task that queues several inbound socket connections?
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3
votes
1answer
585 views
Controlling a Windows Service from a WPF app
I have a WPF Control Panel app, where I'm trying to stay close to an MVVM architecture. The control panel (the "the CP") is for a WCF service ("the Scheduler"), hosted in a Windows Service ("the ...
3
votes
1answer
91 views
Finding a customer's gender
I have been playing with Async/parallel execution in entity framework for while. I'm not sure if I'm doing it right.
I have two entity contexts: one for reading and one for writing. The reading ...
7
votes
3answers
179 views
Notifying the UI that Issues Were Found
Our Rubberduck VBA IDE Add In does some static code analysis, and then reports all of the found issues back in a gridview. This analysis can take a long time for larger projects and the UI appeared to ...
4
votes
1answer
279 views
Is this pattern of Task queueing acceptable?
The AsyncWorkerQueue class uses TPL Data Flow and Rx to async process and cancel work in a queue. It takes in a worker factory (Func) and executes it when its turn (or not if its scheduled to be ...
8
votes
2answers
583 views
Quicksort async vs serial
I am playing with async and I figured I'd write a parallel implementation of Quicksort while trying to look at various optimizations. I want to keep the generics ...
5
votes
2answers
91 views
Forced Async operation in a (event like) method
I have a piece of code that I am not feeling comfortable.
I don't want to block the UI
Read operation works synchronously (reading may broke 50 ms rule)
Save operation supports async (returns ...
2
votes
1answer
170 views
A utility class for running up to two Tasks serially, where the last task to be queued “wins”
Edit: Use cases for this class - I needed this class in the case where I had processes I needed to execute (in the form of tasks - they were all asynchronous) that I needed to issue to a UI control ...
3
votes
1answer
215 views
Using list of tasks to obtain and cache data
I develop Windows Phone App with Prism framework (MVVM).
I use data caching. To get data I use proxy service. Proxy service creates two ...
3
votes
1answer
282 views
Wait for System.IO.StreamReader.ReadLineAsync
I want to wait for a line to be read, but only for so long before timing out. This is what I came up with. Is there a better way to do it?
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35
votes
3answers
3k views
Simon Says: “Make me a pretty game”
In Memoriam
Ralph H. Baer, co-inventor of the original "Simon" game, died Saturday December 6th 2014, at 92. With his passing, this friendly little challenge inadvertently became a memorial to ...
4
votes
1answer
1k views
Asynchronously wait for a task to complete and do some async action while waiting
I have a long-running task. My goal is to create a method that will allow me to:
Asynchronously wait for this task to complete
While waiting on a task, do some async action once in a while. This
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3
votes
1answer
583 views
4
votes
1answer
196 views
Compressing a stream asynchronously, and returning a byte[]
Assuming I have to leave the contract intact (take byte[] and return byte[]), what's the correct way to structure this ...
1
vote
1answer
481 views
5
votes
1answer
132 views
Server that supports two types of connections
I'm wonder if my approach is correct. I'm trying to make a WinForms server that processes data from 3 sides:
from bluettoh (InTheHand library) as source data which I need to process in server
to ...
7
votes
2answers
5k views
Async/await and Task vs Task.Factory.StartNew and Result
I am working on creating some libraries for a project at work and I wanted to make sure I have this pattern correct. Assuming that the GetWidgets method is what I ...
2
votes
1answer
293 views
Reporting progress to main form's controls from within a threaded heavy task
I'm trying to figure out how to nicely write a Winforms app that reports the progress of completing a long task onto the main form's controls without causing Cross-thread op exceptions and such. So ...
2
votes
3answers
5k views
Simple SqlHelper which wraps ADO.NET methods
I am creating a simple SqlHelper which will simplify the ADO.NET method usage. Can someone please review this class for any issue or missing something?
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2
votes
1answer
359 views
AsyncLazy disposal
I've made this extension method. Its purpose is to trigger the disposal of a value, stored in a Nito.AsyncEx AsyncLazy, as authored by @StephenCleary.
Is this an ...
2
votes
1answer
804 views
Await and interactive Android ADB shell
I'm writing an app to let me interact and debug my android over USB using the android SDK and the ADB command. I create a Process with redirected input and output streams and basically run "ADB ...
7
votes
2answers
940 views
Retry loop for asynchronous HTTP requests
I've got a method that needs to PUT data to a web API. Sometimes the connection fails, so I needed a way to do retries, but if the retries fail, I still need to capture the exception and re-throw it.
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