Tutorial by Topics: ng

Official documentation Package documentation You can use the play json package independently from Play by including "com.typesafe.play" % "play-json_2.11" % "2.5.3" in your build.sbt, see https://mvnrepository.com/artifact/com.typesafe.play/play-json_2.11 Addin...

The interface INotifyPropertyChanged is needed whenever you need to make your class report the changes happening to its properties. The interface defines a single event PropertyChanged. With XAML Binding the PropertyChanged event is wired up automatically so you only need to implement the INotify...

Statement batching is either executing multiple statements as one unit (with a normal java.sql.Statement), or a single statement with multiple sets of parameter values (with a java.sql.PreparedStatement). Statement batching allows a program to collect related statement, or in the case of prepare...

AttributeDescriptionxHorizontal position of rectangle from left margin.yVertical position of rectangle from top margin.widthWidth of rectangle.heightHeight of rectangle.rxHorizontal radius of ellipse used to round corners of rectangleryVertical radius of ellipse used to round corners of rectanglest...

This section provides an overview of what amazon-ec2 is, and why a developer might want to use it. It should also mention any large subjects within amazon-ec2, and link out to the related topics. Since the Documentation for amazon-ec2 is new, you may need to create initial versions of those rela...

This section provides an overview of what wolfram-mathematica is, and why a developer might want to use it. It should also mention any large subjects within wolfram-mathematica, and link out to the related topics. Since the Documentation for wolfram-mathematica is new, you may need to create ini...

Tcl is a cross platform language with full unicode support. Flexibility: redefine or enhance existing commands or write new commands. Event driven programming: Event driven I/O and variable tracing. Library Interface: It is very easy to integrate existing C libraries into Tcl and provide a Tcl ...

Multi-Dimensional eXpressions MDX is a declarative language. A developer will use it to query multi-dimensional data structures known as OLAP Cubes. It is also used within the cubes to create aspects of the cubes.

This section provides an overview of what firebase-database is, and why a developer might want to use it. It should also mention any large subjects within firebase-database, and link out to the related topics. Since the Documentation for firebase-database is new, you may need to create initial v...

Bootstrap is a free and open-source front-end web framework for designing websites and web applications. It contains HTML- and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions. Unlike many web frameworks...

Portable Document Format (PDF) is a file format used to present and exchange documents reliably, independent of software, hardware, or operating system. Invented by Adobe, PDF is now an open standard maintained by the International Organization for Standardization (ISO). PDFs can contain images, l...

let name = json["name"] as? String ?? "" // Output: john let name = json["name"] as? String // Output: Optional("john") let name = rank as? Int // Output: Optional(1) let name = rank as? Int ?? 0 // Output: 1 let name = dictionary as? [...

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