Ruby

The following table lists all the Ruby's Predefined Constants − NOTE − TRUE, FALSE, and NIL are backward-compatible. It's preferable to use true, false, and nil. Sr.No.Constant Name & Description1TRUESynonym for…

Traditional programs have a single thread of execution the statements or instructions that comprise the program are executed sequentially until the program terminates. A multithreaded program has more than one thread of…

Standard Ruby Tools The standard Ruby distribution contains useful tools along with the interpreter and standard libraries − These tools help you debug and improve your Ruby programs without spending…

Ruby's predefined variables affect the behavior of the entire program, so their use in libraries is not recommended. The values in most predefined variables can be accessed by alternative means.…

Since the Kernel module is included by Object class, its methods are available everywhere in the Ruby program. They can be called without a receiver (functional form). Therefore, they are often called functions.A complete…

Ruby/LDAP is an extension library for Ruby. It provides the interface to some LDAP libraries like OpenLDAP, UMich LDAP, Netscape SDK, ActiveDirectory. The common API for application development is described…

Introduction The standard graphical user interface (GUI) for Ruby is Tk. Tk started out as the GUI for the Tcl scripting language developed by John Ousterhout. Tk has the unique…

What is SOAP? The Simple Object Access Protocol (SOAP), is a cross-platform and language-independent RPC protocol based on XML and, usually (but not necessarily) HTTP. It uses XML to encode…

What is XML? The Extensible Markup Language (XML) is a markup language much like HTML or SGML. This is recommended by the World Wide Web Consortium and available as an…

Ruby provides two levels of access to network services. At a low level, you can access the basic socket support in the underlying operating system, which allows you to implement…