The Z80 is an 8-bit CPU designed by Zilog to be a backwards-compatible enhancement of the Intel 8080. It has been in continuous wide use since 1976 and was formerly popular in microcomputers, such as models of the Tandy (Radio Shack) TRS-80 microcomputer and their derivatives, the ZX Spectrum and the MSX standard. Presently its main use is in embedded systems.

The Java Debugger, jdb, is a simple command-line debugger for Java classes.

Network Security Services (NSS) is a set of libraries designed and maintained by Mozilla to support cross-platform development of security-enabled client and server applications.

In WPF PrintDialog is a class that invokes a standard Microsoft Windows print dialog box that configures a PrintTicket and PrintQueue according to user input and then prints a document.

CS193P is an iOS programming course offered at Stanford University. The latest Fall 2017 session videos, lecture slides and assignments are available on iTunes U, and have become a popular way of learning to program for the platform.

OutSystems is the company that develops the OutSystems Platform - a custom enterprise web and mobile app development solution.

An abstract method is one with only a signature and no implementation body. It is often used to specify that a subclass must provide an implementation of the method.

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Significant digits are a way of describing the precision of measurements in a scale-independent way.