Tutorial by Examples: bind

Basic usage of dependency injection is done by the annotations. When you need to tweak things a little bit, you need custom code to further specify how you want some classes to be instantiated and injected. This code goes in what is called a Module. import com.google.inject.AbstractModule // Pla...

#include <iostream> #include <functional> using std::placeholders::_1; // to be used in std::bind example int stdf_foobar (int x, std::function<int(int)> moo) { return x + moo(x); // std::function moo called } int foo (int x) { return 2+x; } int foo_2 (int x, in...

CL-PPCRE:REGISTER-GROUPS-BIND will match a string against a regular expression, and if it matches, bind register groups in the regex to variables. If the string does not match, NIL is returned. (defun parse-date-string (date-string) (cl-ppcre:register-groups-bind (year month day) (...

Angular has some magic under its hood. it enables binding DOM to real js variables. Angular uses a loop, named the "digest loop", which is called after any change of a variable - calling callbacks which update the DOM. For example, the ng-model directive attaches a keyup eventListener to...

Binding is the process of assigning an object to an identifier or variable name. Early binding (also known as static binding) is when an object declared in Excel is of a specific object type, such as a Worksheet or Workbook. Late binding occurs when general object associations are made, such as the ...

x = 5 x += 7 for x in iterable: pass Each of the above statements is a binding occurrence - x become bound to the object denoted by 5. If this statement appears inside a function, then x will be function-local by default. See the "Syntax" section for a list of binding statements. ...

One should have in mind that: Angular's data binding relies on JavaScript’s prototypal inheritance, thus it's subject to variable shadowing. A child scope normally prototypically inherits from its parent scope. One exception to this rule is a directive which has an isolated scope as it doesn't p...

It's also possible to use data binding within your RecyclerView Adapter. Data model public class Item { private String name; public String getName() { return name; } } XML Layout <TextView android:layout_width="wrap_content" android:layou...

To change UI content in runtime, you can use Binding. When binded property is changed from the code, it will be displayed to the UI. <TextBlock Text="{Binding Title}"/> To notify UI about changes, property must raise PropertyChanged event from INotifyPropertyChanged interface or ...

export class MyViewModel { selectedFiles; } <template> <input type="file" files.bind="selectedFiles"> </template>

Strings Array When selecting a value in the select dropdown and providing an array of strings, the selected value will be bound to the select element's value property as a string that we can display using string interpolation. export class MyViewModel { animals = []; favouriteAnimal = nu...

Basic Checkboxes export class MyViewModel { favoriteColors = []; colors = ['Red', 'Yellow', 'Pink', 'Green', 'Purple', 'Orange', 'Blue']; } <template> <label repeat.for="color of colors"> <input type="checkbox" value.bind="color" ch...

Basic Radios export class MyViewModel { favoriteColor = null; colors = ['Red', 'Yellow', 'Pink', 'Green', 'Purple', 'Orange', 'Blue']; } <template> <label repeat.for="color of colors"> <input type="radio" name="colors" value.bind=&q...

Binding to the browser native style attribute using Aurelia. If using string interpolation, you should use the css alias so styling works in Internet Explorer. Style String export class MyViewModel { constructor() { this.styleString = 'color: #F2D3D6; background-color: #333'; } } &l...

The @ sign binds a variable to a name during a pattern match. The bound variable can either be the entire matched object or part of the matched object: sealed trait Shape case class Rectangle(height: Int, width: Int) extends Shape case class Circle(radius: Int) extends Shape case object Point ex...

Sometimes we need preserve whole model and transfer it across actions or even controllers. Storing model at session good solution for this type of requirements. If we combine this with powerful model binding features of MVC we get elegant way of doing so. We can create generic session based model bi...

EntryPage.xaml: <?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:vm="clr-namespace:MyAssembly.ViewModel;a...

Create interface for clickHandler public interface ClickHandler { public void onButtonClick(View v); } Layout XML <?xml version="1.0" encoding="utf-8"?> <layout xmlns:android="http://schemas.android.com/apk/res/android"> <data> ...

The Preview pane displays default values for data binding expressions if provided. For example : android:layout_height="@{@dimen/main_layout_height, default=wrap_content}" It will take wrap_content while designing and will act as a wrap_content in preview pane. Another example i...

I created custom label with wrapper around FormattedText property: public class MultiComponentLabel : Label { public IList<TextComponent> Components { get; set; } public MultiComponentLabel() { var components = new ObservableCollection<TextComponent>(); ...