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Cocoa is Apple's native object-oriented application programming interface (API) for its desktop operating system macOS.. Cocoa consists of the Foundation Kit, Application Kit, and Core Data frameworks, as included by the Cocoa.h header file, and the libraries and frameworks included by those, such as the C standard library and the Objective-C runtime.
RubyCocoa will import the Objective-C classes into the Ruby world on demand. For example, when you access OSX::NSTableView for the very first time in your code, RubyCocoa will retrieve all the necessary information regarding this class from the Objective-C runtime and create a Ruby class of the same name that will act as a proxy.
The Cocoa text system (formerly known simply by the primary class name NSText) is the linked network of classes, protocols, interfaces and objects that provide typography and text field editing capabilities and to Cocoa applications on Apple's macOS, where it is the primary text-handling system. [1]
AppKit (formally Application Kit) [1] is a graphical user interface toolkit. It initially served as the UI framework for NeXTSTEP. [2] Along with Foundation and Display PostScript, it became one of the core parts of the OpenStep specification of APIs. Later, AppKit and Foundation became part of Cocoa, the Objective-C API framework of macOS.
Due to Apple macOS’s direct lineage from NeXTSTEP, [4] Objective-C was the standard language used, supported, and promoted by Apple for developing macOS and iOS applications (via their respective application programming interfaces , Cocoa and Cocoa Touch) from 1997, when Apple purchased NeXT until the introduction of the Swift language in ...
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The EPUB format is the most widely supported e-book format, supported by most e-book readers except Amazon Kindle [a] devices. Most e-book readers also support the PDF and plain text formats. E-book software can be used to convert e-books from one format to another, as well as to create, edit and publish e-books.
The application's main event loop asks the Event Manager for an event using GetNextEvent. If there is an event in the queue, the Event Manager passes it back to the application, where it is handled, otherwise it returns immediately. This behavior is called "busy-waiting", running the event loop unnecessarily. Busy-waiting reduces the amount of ...