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A radio button or option button [citation needed] is a graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. [1] The singular property of a radio button makes it distinct from checkboxes, where the user can select and unselect any number of items.
Can be shown in an intermediate state (shaded or with a dash) to indicate that various objects in a multiple selection have different values for the property represented by the check box. Multiple check boxes in a group may be selected, in contrast with radio buttons. Toggle switch - Functionally similar to a check box. Can be toggled on and ...
Apache 2.0 Radio button: vaadin-radio-button: Allows to select exactly one value from a list of related but mutually exclusive options Apache 2.0 RichTextEditor: vaadin-rich-text-editor: An input field for entering rich text Commercial Scroller: vaadin-scroller: A component container for creating scrollable areas in the UI Apache 2.0 Select ...
A drop-down list or drop-down menu or drop menu, with generic entries. A drop-down list (DDL), drop-down menu or just drop-down [1] – also known as a drop menu, pull-down list, picklist – is a graphical control element, similar to a list box, that allows the user to choose one value from a list either by clicking or hovering over the menu.
A graphical user interface (GUI) showing various elements: radio buttons, checkboxes, and other elements. A graphical user interface, or GUI [a], is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation.
In all versions of Python, boolean operators treat zero values or empty values such as "", 0, None, 0.0, [], and {} as false, while in general treating non-empty, non-zero values as true. The boolean values True and False were added to the language in Python 2.2.1 as constants (subclassed from 1 and 0 ) and were changed to be full blown ...
In computer programming, foreach loop (or for-each loop) is a control flow statement for traversing items in a collection. foreach is usually used in place of a standard for loop statement.
The order of inheritance affects the class semantics. Python had to deal with this upon the introduction of new-style classes, all of which have a common ancestor, object. Python creates a list of classes using the C3 linearization (or Method Resolution Order (MRO)) algorithm.