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How do I create a basic UIButton programmatically?

...height: 500) myButton.addTarget(self, action: #selector(pressedAction(_:)), for: .touchUpInside) self.view.addSubview( myButton) func pressedAction(_ sender: UIButton) { // do your stuff here print("you clicked on button \(sender.tag)") } SwiftUI for example you get the step by ...
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Rerender view on browser resize with React

...lobals window */ import React, { useState, useEffect } from 'react' import _debounce from 'lodash.debounce' const Example = () => { const [width, setWidth] = useState(window.innerWidth) useEffect(() => { const handleResize = _debounce(() => setWidth(window.innerWidth), 100) w...
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How do I get the currently displayed fragment?

...t the currently displayed Fragment instance, not iteratively check through all fragments and then decide which fragment is now displayed on the screen. I think your answer needs my code to iteratively check each of my fragments, and find out the visible one ... – Leem.fin ...
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Defining a variable with or without export

... Specifically export makes the variable available to child processes via the environment. – Beano Jul 21 '09 at 13:35 ...
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http to https apache redirection

... I have actually followed this example and it worked for me :) NameVirtualHost *:80 <VirtualHost *:80> ServerName mysite.example.com Redirect permanent / https://mysite.example.com/ </VirtualHost> <VirtualHost _de...
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Scale image to fit a bounding box

...ed answer, the answer below is more accurate and is currently supported in all browsers if you have the option of using a background image. No, there is no CSS only way to do this in both directions. You could add .fillwidth { min-width: 100%; height: auto; } To the an element to always...
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How to fix Python indentation

...py script that you find in the Tools/scripts/ directory of your Python installation: Change Python (.py) files to use 4-space indents and no hard tab characters. Also trim excess spaces and tabs from ends of lines, and remove empty lines at the end of files. Also ensure the last line ...
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How to check for a valid Base64 encoded string

... calling base64String.Contains multiple times may result in poor performance incase of base64String being a large string. – NucS Jul 23 '15 at 11:46 ...
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Why does viewWillAppear not get called when an app comes back from the background?

... In other words, if someone looks at another application or takes a phone call, then switches back to your app which was earlier on backgrounded, your UIViewController which was already visible when you left your app 'doesn't care' so to speak -- as far as it is concerned, it's never disappeared and...
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Is there a way to get the source code from an APK file?

The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months. All I have is the APK file that is stored in my email from when I sent it to a friend. ...