Top "State" questions

The contents of memory locations, at any given point in the program's execution, is called the program's state.

React setState not updating state

So I have this: let total = newDealersDeckTotal.reduce(function(a, b) { return a + b; }, 0); console.log(total, 'tittal'); //outputs correct …

javascript reactjs state setstate
Why can't I change my input value in React even with the onChange listener

I am quite new to React and after going through some tutorials, I was trying the below code of mine. …

javascript reactjs state onchange
How to save RecyclerView's scroll position using RecyclerView.State?

I have a question about Android's RecyclerView.State. I am using a RecyclerView, how could I use and bind it …

android state android-recyclerview
React - how to pass state to another component

I'm trying to figure out how to notify another component about a state change. Let's say I have 3 components - …

reactjs components state
How to Set/Update State of StatefulWidget from other StatefulWidget in Flutter?

For Example in the below code plus button works and able to update the text but the minus button does …

state flutter
How to use onClick with divs in React.js

I'm making a very simple application where you can click on square divs to change their color from white to …

javascript reactjs onclick event-handling state
How to prevent custom views from losing state across screen orientation changes

I've successfully implemented onRetainNonConfigurationInstance() for my main Activity to save and restore certain critical components across screen orientation changes. But …

android android-activity state screen-orientation
React.js, wait for setState to finish before triggering a function?

Here's my situation: on this.handleFormSubmit() I am executing this.setState() inside this.handleFormSubmit(), I am calling this.findRoutes(); - …

javascript reactjs state
React - setState() on unmounted component

In my react component im trying to implement a simple spinner while an ajax request is in progress - im …

javascript ajax reactjs state
Where to write to localStorage in a Redux app?

I want to persist some parts of my state tree to the localStorage. What is the appropriate place to do …

javascript redux local-storage state