Top "Asynchronous" questions

Asynchronous programming is a strategy for deferring operations with high latency or low priority, usually in an attempt to improve performance, responsiveness, and / or composability of software.

Async function without await in Javascript

I have two functions a and b that are asynchronous, the former without await and the later with await. They …

javascript asynchronous async-await
Await vs Task.Result in an Async Method

What's the difference between doing the following: async Task<T> method(){ var r = await dynamodb.GetItemAsync(...) return r.…

c# asynchronous async-await task amazon-dynamodb
Why can I not throw inside a Promise.catch handler?

Why can't I just throw an Error inside the catch callback and let the process handle the error as if …

javascript asynchronous promise throw es6-promise
What is non-blocking or asynchronous I/O in Node.js?

In the context of Server Side Javascript engines, what is non-blocking I/O or asynchronous I/O? I see this …

node.js asynchronous nonblocking serverside-javascript
Asynchronous shell commands

I'm trying to use a shell script to start a command. I don't care if/when/how/why it finishes. …

linux bash shell ubuntu asynchronous
Good introduction to the .NET Reactive Framework

Aside from the Microsoft documentation, is there a good introduction and tutorial to the Microsoft Reactive (Rx) framework? Also, what …

c# .net asynchronous system.reactive
Why await is not working for node request module?

I'm new to nodejs. I’m not seeing the response in ex 1, but i see in ex 2. Why? Await works …

node.js asynchronous async-await ecmascript-next
Asynchronous File Download with Progress Bar

I am attempting to have a progress bar's progress change as the WebClient download progress changes. This code still downloads …

c# asynchronous progress-bar
Wait until swift for loop with asynchronous network requests finishes executing

I would like a for in loop to send off a bunch of network requests to firebase, then pass the …

swift asynchronous grand-central-dispatch nsoperation
Loading an image into UIImage asynchronously

I'm developing an iOS 4 application with iOS 5.0 SDK and XCode 4.2. I have to show some post blogs into a UITableView. …

ios cocoa-touch uitableview asynchronous uiimageview