Questions tagged [asynchronous]
Asynchronous programming is simply allowing some portions of code to be executed on separate threads. It makes your applications perform better, be more responsive, and use the resources of the system they are running on to the fullest extent.
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Wordcloud from all answers of a user here on CR
Since I haven't really used Python's new async features yet, I took some older code of mine, which took all of my answers here on Code Review and generated a word cloud from them, and updated it to ...
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Buffering of fast changing datapoints or events
The following class implements a buffer which captures fast changing datapoints or frequently raised events and dispatches them in batches. It will asynchronously call a processing function for the ...
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Script to enter text in a box
Here's a little script that enters text into a document when activated.
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BackgroundWorker vs TPL ProgressBar Exercise
I wanted to fiddle around with the BackgroundWorker and Task classes, to see how I would implement a given task with these two ...
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Simplifying asynchronous "executeAsync" method along with "onFailure" callback
I have a system in which user id is "sharded" across all the machines which means each machine is responsible for certain user id data. I am working on a library which will take ...
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Using SendAsync to send multiple emails
My method for sending emails with Send() is getting very slow when I send more than ten messages.
Sample
1 (1 sec)
2 (2 sec)
3 (4 sec)
4 (8 sec) and so on...
so I ...
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Lock Using “Interlocked” vs lock Statement (“Monitor”) (Followup)
This is a followup to a previous question.
Considering:
Interlocked.CompareExchange generates a memory barrier,
Intended to be used with very fast operations (...
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AutoResetEventAsync, am I missing something?
So I wrote an asynchronous version of AutoResetEvent:
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File Async writer using Tasks or new features of .Net 4.5?
This code was posted as answer to Async file writer in .Net 3.5.
How would it be done better using Tasks or new features in .Net 4.5?
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C++: algorithm that uses fixed-size buffer of data that are produced in stream, faster than the algorithm speed
I try to implement this scenario with a producer/consumer multithread pattern and I'd like to optimize synchronization and memory model directive used.
This code originates from a SO question and its ...
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C# asynchronous notification vector
The purpose of this class is to efficiently notify another thread when data is available with minimal blocking to access/pass the data. The data reader/producer thread processes data in bulk which ...
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Async File Input
I recently started work on my own Async file input "library" in C++. I got it done today and I decided to put it on Code Review to see how well I actually did, and where I can still improve the code.
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Lock Using "Interlocked" vs lock Statement ("Monitor")
A followup question can be found here, based on this question and it's answer.
Considering:
Interlocked.CompareExchange generates a memory barrier,
Intended to be ...
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Class for easier to read IProgress<Class> handling
The recommended way to report something as "progress" back from a async function is to use IProgress<Type> or ...
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Asynchronous HTTP JSON request
For asynchronous requests, I use Alamofire.
I have created one method for requesting async data.
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Get files downloaded asynchronously after double clicking on list item (C++)
The problem I am trying to solve as an exercise is as follows:
I have a UI running in the main thread, specifically a list view with many items. Each item represents a file that the user can download....
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Implementation of an asynchronous TCP/UDP server
I am trying to implement a TCP/UDP server so all I have to do is something like this:
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Async file writer in .Net 3.5
I'm curious what people think about this little bit of logging code. It seems to work ok. Is there anything I'm missing?
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Custom HttpClient Wrapper
I need to wrap httpClient because I'm using a custom token provider. I will use this code with asp.net mvc to communicate with our webApi2 server. ( Using webApi2 with directly from ui with angularjs ...
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General Retry Strategy #2
Previous version
Now supports async operations and cancellation.
Let’s say we copy some file using retry strategy (it might be blocked, etc.). App code comes bellow:
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Simple multi-client echo server
I've been looking at some async comms in C#. As a proof of concept, I've written a simple multi-client echo server. The server allows multiple TCP clients to connect and listens for input from the ...
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Concurrent fire and forget async task queue
I had to do a lot of IO stuff on my server running Node JS where I did not really care about the result of the operations. The list of incoming tasks could be huge, so I had to limit the number of ...
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Blocking call to an async function
While migrating to structured concurrency it may be sometimes convenient to temporarily make a blocking call to an async function - e.g.:
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ThreadSafe IsoStorageManager
This is a continuation of the last thread.
I wanted to add a thread-safety and I was considering AwaitableCriticalSection and Task+Mutex. I ended up with mutex; it can be a bit slower but it would ...
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C# asynchronous notification vector v2
As a result of my previous post, I have implemented / refactored my code and have started making successful use of my class. However I have come across a couple of new questions:
The observer must ...
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C# asynchronous tasks training (turn-based simulation)
I know embarassingly little about asynchronous programming in C#, so decided to start catching up. It would help me a lot if anyone checked this basic example I've created.
Assumption: we're creating ...
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Simple PacketHandler class [closed]
I can recently coded an emulation system and in this project I have a PacketHandler for each player connected to a socket server, and each player receives packets (data) from the client application.
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Concurrent Task Waiter
I have some code designed to simplify managing multiple asynchronous operations. The code creates callback actions that, when executed by the asynchronous operation, track which asynchronous methods ...
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Using asyncio and aiohttp in classes
To better familiarize with async requests I wrote a very simple scraper that relies on aiohttp to retrieve some basic information from the product page (product ...
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