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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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Are there strongly-typed collections in Objective-C?

...but you can also add them to your own classes: @interface GenericsTest<__covariant T> : NSObject -(void)genericMethod:(T)object; @end @implementation GenericsTest -(void)genericMethod:(id)object {} @end Objective-C will behave like it did before with compiler warnings. GenericsTest&lt...
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How to append a char to a std::string?

... why do you consider += better than push_back? Is it just less typing or do you have another reason? – Glen Sep 24 '09 at 14:35 4 ...
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'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure

...ould be set at application start-up. E.g. I'm setting it in the Application_Start event in the Global.asax.cs of my web application. – Chris Jan 11 '17 at 5:21 3 ...
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How to access property of anonymous type in C#?

...>(); nodes.Add( new { Checked = false, depth = 1, id = "div_1" }); 1. Solution with dynamic In C# 4.0 and higher versions, you can simply cast to dynamic and write: if (nodes.Any(n => ((dynamic)n).Checked == false)) Console.WriteLine("found not checked element!"); Note:...
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FileSystemWatcher Changed event is raised twice

...e "fixed" that problem using the following strategy in my delegate: // fsw_ is the FileSystemWatcher instance used by my application. private void OnDirectoryChanged(...) { try { fsw_.EnableRaisingEvents = false; /* do my stuff once asynchronously */ } finally { ...
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How to generate a create table script for an existing table in phpmyadmin?

... @Davos use this, show create table database_name.tablename. – Fahad Anjum Apr 20 '18 at 9:21 ...
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Android file chooser [closed]

...tent in an Intent.createChooser() like this: private static final int FILE_SELECT_CODE = 0; private void showFileChooser() { Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("*/*"); intent.addCategory(Intent.CATEGORY_OPENABLE); try { startActivityFor...
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How to use “raise” keyword in Python [duplicate]

...dler, so that it can be handled further up the call stack. try: generate_exception() except SomeException as e: if not can_handle(e): raise handle_exception(e) share | improve this answe...