The Question : 602 people think this question is useful I can mark a javascript function as “async” (i.e. returning a promise) with the async keyword. Like this: What is the equivalent syntax for arrow functions? The Question Comments : It’s worth noting that at least firefox and babel does let you do that var
The Question : 460 people think this question is useful I’m developing a console script for personal needs. I need to be able to pause for an extended amount of time, but, from my research, Node.js has no way to stop as required. It’s getting hard to read users’ information after a period of time…
The Question : 221 people think this question is useful I have some concerns using async actions in ASP.NET MVC. When does it improve performance of my apps, and when does it not? Is it good to use async action everywhere in ASP.NET MVC? Regarding awaitable methods: shall I use async/await keywords when I want
The Question : 244 people think this question is useful I have an async method: I need to call this method from a synchronous method. How can I do this without having to duplicate the GenerateCodeAsync method in order for this to work synchronously? Update Yet no reasonable solution found. However, i see that HttpClient
The Question : 1428 people think this question is useful Are there any issues with using async/await in a forEach loop? I’m trying to loop through an array of files and await on the contents of each file. This code does work, but could something go wrong with this? I had someone tell me that
The Question : 1129 people think this question is useful From my understanding one of the main things that async and await do is to make code easy to write and read – but is using them equal to spawning background threads to perform long duration logic? I’m currently trying out the most basic example.
问题内容: I’m trying to understand I/O Completion Ports and specifically how they relate to using async–await for I/O. The infamous article There is No Thread talks about IOCPs being borrowed briefly after the I/O is complete. Because the whole point of the article is to show that when the fancy hardware-level I/O stuff is in-flight,
问题内容: I understand how an async method itself works: The compiler transforms it into code that creates a state machine (on the heap) so that the method is in effect “paused” where it reached the await and a Task is returned and the call stack unwinds. At the “bottom” of this chain is a method
问题内容: So, I start off by reading a Web API POST Request.Content.ReadAsStreamAsync(), copy that to a MemoryStream (so I can seek), and then use a BinaryReader to read through it in order. Normally, I could just seek around and pass each part of the stream to the method that’s in charge of reading it. However,
