stream
Fetch with ReadableStream as Request Body
We’re working on making this work, see https://github.com/whatwg/fetch/pull/425 for the PR to the Fetch Standard. Once that is done you can expect this to make its way into browsers (slowly).
What is copyWith and how can I use it in Flutter and what are some of it’s use cases?
Let’s say you have an object in which you want to change some properties. One way to do is by changing each property at a time like object.prop1 = x object.prop2 = y and so on. This will go cumbersome if you have more than few properties to change. Then copyWith method comes handy. This … Read more
Stream video in Java
Xuggler is a nice opensource Java library that deals with streaming and modifying media on the fly. http://www.xuggle.com/xuggler/ You can either use it with Red5 or if you want complete control, Xuggler has an IContainer class where each instance can be set up to stream media in or out. I’ve been able to restream media … Read more
Dart: How do you make a Future wait for a Stream?
You can use the Stream method firstWhere to create a future that resolves when your Stream emits a true value. Future<bool> whenTrue(Stream<bool> source) { return source.firstWhere((bool item) => item); } An alternative implementation without the stream method could use the await for syntax on the Stream. Future<bool> whenTrue(Stream<bool> source) async { await for (bool value … Read more
Why do most serializers use a stream instead of a byte array?
It means you can stream to arbitrary destinations rather than just to memory. If you want to write something to a file, why would you want to create a complete copy in memory first? In some cases that could cause you to use a lot of extra memory, possibly causing a failure. If you want … Read more
Convert to Stream from a Url
I ended up doing a smaller version and using WebClient instead the old Http Request code: private static Stream GetStreamFromUrl(string url) { byte[] imageData = null; using (var wc = new System.Net.WebClient()) imageData = wc.DownloadData(url); return new MemoryStream(imageData); }