The Question : 745 people think this question is useful According to the docs, “Without middleware, Redux store only supports synchronous data flow”. I don’t understand why this is the case. Why can’t the container component call the async API, and then dispatch the actions? For example, imagine a simple UI: a field and a
The Question : 522 people think this question is useful As far as I understand, in ES7/ES2016 putting multiple await‘s in code will work similar to chaining .then() with promises, meaning that they will execute one after the other rather than in parallel. So, for example, we have this code: Do I understand it correctly
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 : 610 people think this question is useful I have heard lots of raving about Akka framework (Java/Scala service platform), but so far have not seen many actual examples of use cases it would be good for. So I would be interested in hearing about things developers have used it succesfully. Only one
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.
The Question : 2976 people think this question is useful I would like to upload a file asynchronously with jQuery. Instead of the file being uploaded, I am only getting the filename. What can I do to fix this problem? The Question Comments : There are various ready-made plugins on doing file upload for jQuery.
The Question : 5743 people think this question is useful I have a function foo which makes an asynchronous request. How can I return the response/result from foo? I tried returning the value from the callback, as well as assigning the result to a local variable inside the function and returning that one, but none
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,