What is a callback?
What’s a callback and how is it implemented in C#? 10 Answers 10
callback
Callback functions in Java
Is there a way to pass a call back function in a Java method? The behavior I’m trying to mimic is a .Net … Read more
Defining TypeScript callback type
I’ve got the following class in TypeScript: class CallbackTest { public myCallback; public doWork(): void { //doing some work… this.myCallback(); //calling callback } … Read more
Subscribe is deprecated: Use an observer instead of an error callback
When I run the linter it says: subscribe is deprecated: Use an observer instead of an error callback Code from this angular app: … Read more
How to remove all callbacks from a Handler?
I have a Handler from my sub-Activity that was called by the main Activity. This Handler is used by sub-classes to postDelay some … Read more
When to use React setState callback
When a react component state changes, the render method is called. Hence for any state change, an action can be performed in the … Read more
jQuery pass more parameters into callback
Is there a way to pass more data into a callback function in jQuery? I have two functions and I want the callback … Read more
Rails: #update_attribute vs #update_attributes
obj.update_attribute(:only_one_field, ‘Some Value’) obj.update_attributes(field1: ‘value’, field2: ‘value2’, field3: ‘value3’) Both of these will update an object without having to explicitly tell ActiveRecord to … Read more
Callback after all asynchronous forEach callbacks are completed
As the title suggests. How do I do this? I want to call whenAllDone() after the forEach-loop has gone through each element and … Read more
What is the purpose of willSet and didSet in Swift?
Swift has a property declaration syntax very similar to C#’s: var foo: Int { get { return getFoo() } set { setFoo(newValue) } … Read more