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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Retrieving the Currently Logged in User's Department
I hope this is the right place for this. I basically wrote the below script for a SharePoint 2013 where I needed to get the department of the currently logged in user.
I was finally able to get it ...
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2answers
36 views
Async Implementation
I'm seeking code review comments for the following implementation.
jsFiddle
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0answers
48 views
Facing problem in Nested Async call [closed]
PROBLEM : When I try to call _cacheManager.GetObject in controller of API then it calls most of the related methods and when the call reaches ...
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1answer
28 views
Composing IO and Async in haskell
Whether based on MVar or TVar, async implementation are always based on operation on some underlying monad IO and STM.
Making Async a monad on its own, as in F# async computation builder, if done in ...
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1answer
101 views
TryRetry - Try, Catch, then Retry
I have created a class to try, catch and retry N times. My class also supports retrying asynchronously. I'm wondering if there are better ways to implement this. I'm most concerned with the ...
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1answer
114 views
Implementation of API to create a company account in a database
I'm working on an API that has a lot of controller functions like this:
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6
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1answer
482 views
Login UI for an Android app
This code starts a new thread for login and reacts according to the JSON result returned by the server.
I think this code has too many conditionals, exception handlers, and nested functions.
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3
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0answers
51 views
Golang Tour Web Crawler Exercise
In the last few days I've played around with Go a little and took the language tour. The last exercise (text here) requires you to crawl a graph that simulates a set of Web pages with links, using ...
4
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2answers
121 views
Calculating pi by adding areas of thin rectangles
I wrote a small program for fun to try to prove Pi by taking a certain precision and radius and using it to calculate the area of the circle. My method should be giving me an area that is just ...
4
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0answers
41 views
Prevent multiple async calls from all attempting to refresh an expired OAuth token
I have some code that needs to access an API that requires OAuth authorization in the form of a token, and every time the token expires, it needs to be refreshed.
I made a function called ...
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1answer
120 views
async tcp server using async/await
Here is an async Tcp server using async/await I have written. I would be very appreciate if anyone can help to improve my code. Thank you!
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1
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2answers
49 views
Spawning futures as an alternative to multithreading
I was trying to do a sample threading program, where the spawning of thread is in a while loop. I DO NOT want to generate multiple number of threads. The while loop should keep on running, ...
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1answer
126 views
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 ...
2
votes
1answer
45 views
XCTestCase#waitFalseExpectationUntilTimeout implementation
I am working on an iOS project and I'm in charge of testing most parts of it. As I write some tests, I often have the need to wait for an asynchronous method to finish, and then test that something ...
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1answer
36 views
3
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2answers
131 views
Queuing e-mail notifications in a background thread
I'm new to parallel programming concepts. I'm trying to implement fire-and-forgot kind of method in my project. Somebody please evaluate the below code & let me whether this is thread safe or not.
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6
votes
0answers
77 views
Node.js parallel file download, the ES6 way
I wrote a script that downloads all PDFs found on the web page of a particular government agency. I would have chosen bash for such a task, but I want the script to ...
1
vote
1answer
41 views
Iterations with asynchronous functions
I haven't really worked much with asynchronous code so I'm wondering if I am doing something wrong/something could go wrong. Right now of all the test cases that I have done, my code has worked but ...
2
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0answers
34 views
Execute coroutines in pool
I want to run all the coroutines from the list in a pool of constant size and would like to ask if this is the right way how to achieve it. Is there any built in solution for this problem? I have not ...
2
votes
1answer
47 views
An asynchronous service to produce a results cache for a list of items
What I've created is a CacheBuilder service that will be passed in a list of items, and will build a results cache. The results are produced by making calls to ...
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0answers
68 views
Web crawler with Python and the asnyncio library
I am trying to experiment with Python 3.5 async/await and the whole asyncio library. I tried ...
2
votes
1answer
113 views
User registration factory for AngularJS + Firebase app
The goal for this code is to provide a semi-secure and privileged method of user registration via a secret code that is stored as a key in the Firebase database.
Subscribers to a mailing list were ...
3
votes
1answer
95 views
Closing SQL connection for async operations
The following code executes asynchron on the SQL database. Is the closing of the connection implemented in the right way? Are there any missing features regarding connection handling which need to be ...
3
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0answers
49 views
Basic Server/Client Model built around ASIO
For this project, I'm using the non-Boost version of the ASIO library.
The basic idea is that it is a relatively simple stand-alone class capable of functioning either as a server or client depending ...
5
votes
3answers
88 views
ToPaginatedListAsync<T>
I'm using this method and I would likely have a code review. Also, I have one concern and is that source.Count() is executing synchronously and I don't know how to ...
4
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1answer
57 views
Controller for a vehicle servicing AJAX app
I am working on a codebase that operates in the following manner:
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2
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1answer
89 views
A redundant data service
I've got a service that loads data from a databasr and it performs almost the same operations in all methods.
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0answers
33 views
Async boolean expression evaluator in ES6
This is a pretty simple Node package designed to accept a "boolean expression" and evaluate it asynchronously. The full project is on GitHub.
Essentially, an expression like ...
2
votes
3answers
111 views
Task with feedback dialog helper class
I'm currently working in a Windows.Forms project where its very common that I need to show a responsive feedback form while a task runs. These tasks take typically ...
1
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1answer
51 views
Reading text from the web and writing to a JSON file
This code reads text from the web using a WebDriver element and writes data to a JSON file. I had to use if-...
2
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1answer
53 views
Loading images in the background for a table view
I have fetchData method which fills my imagesArray:
...
1
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3answers
206 views
Implementing an asynchronous mutex in C#
I wrote a simple synchronization primitive that I can use with async operations on an external REST service so that I don't call it twice from different threads and have one call fail due to not ...
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0answers
176 views
Are there pitfalls to this solution to read messages from a queue in parallel?
I've posted a question on stackoverflow: How can I consequently read messages from a queue in parallel? I would like my own answer to be reviewed.
Situation
We have one message queue. We would like ...
4
votes
1answer
88 views
Asynchronous start/stop state transitions
I have a third-party object with asynchronous start and stop methods. Each start and stop may fail with exception. The object is not re-entrant, i.e. I can only call its start or stop method after the ...
6
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1answer
117 views
Async telnet connection over StreamSocket
My team and I have a very poor understanding of best practices in relation to telnet. We have Task.Delay and Task.Wait in the ...
7
votes
1answer
121 views
Refactoring of a client API to avoid duplicated code and unclear passage of parameters
I need to develop an API. The functions of the API are requests that call the services exposed by a server.
Initially the API worked like this:
...
17
votes
3answers
429 views
Synchronous / asynchronous REST client
I have working code with original design, and now I had a slight design change so trying to code review that as well. I already had code review on my original design here.
Original Design:
I am ...
4
votes
1answer
67 views
Angular using defer and services
I have wrote some service in AngularJS that use defer, can you check my code and tell me if I getting it right?
Service (I dont really like name: ...
7
votes
1answer
252 views
Generic asynchronous SQLite search builder
I am writing a database manager that reads and writes to a local SQLite database on a mobile device. It works pretty well for the most part, but read access is somewhat slow - it takes about 2-5 ...
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1answer
59 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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2answers
174 views
Async task with timeout
I am calling a service outside of my control. My application must include a time out, so that if the call to the service takes too long, an appropriate time-out message is returned.
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2answers
172 views
Producer/consumer implementation using Tasks and BlockingCollections
I'm implementing a Producer/Consumer but the generic interface doesn't require any knowledge of blocking collections or tasks.
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2
votes
1answer
77 views
Multithreading, shared queue as synchronization point
I have two threads, one produces images and one processes them. For the synchronization, I created a class where you can set and get images, and it always waits until an image is available or a worker ...
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1answer
77 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 ...
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0answers
60 views
Simple registration form in NodeJS
I'm creating a simple registration form, but stuck somewhere. I want to use token variable in new user() scope, but if I put ...
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1answer
341 views
Updating WPF MainWindow from an async task
Is this an acceptable approach to update WPF MainWindow from an async task, using events thrown from a public static class?
In MainWindow.cs, I subscribe to ...
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votes
2answers
1k views
Complete async OpenSSL example
I am trying to create a fully async example of a client and server using SSL.
I think these are the required assumptions:
Connecting may require socket readability and writeability notifications.
...
1
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1answer
165 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
2answers
41 views
Asynchronous model fitting that allows termination in Python
The problem
When you work with Python interactively (e.g. in an IPython shell or notebook) and run a computationally intensive operation like fitting a machine-learning model that is implemented in a ...
5
votes
1answer
50 views
Process chain approach
I've been researching about JavaScript and jQuery function chaining and different callback techniques. I am trying to create a very generic code that allows chaining, and in a way that I may create ...
