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In computer programming, duck typing is an application of the duck test —"If it walks like a duck and it quacks like a duck, then it must be a duck"—to determine whether an object can be used for a particular purpose. With nominative typing, an object is of a given type if it is declared as such (or if a type's association with the object ...
The Lua C API is stack based. Lua provides functions to push and pop most simple C data types (integers, floats, etc.) to and from the stack, as well as functions for manipulating tables through the stack. The Lua stack is somewhat different from a traditional stack; the stack can be indexed directly, for example.
In computer science, an operation, function or expression is said to have a side effect if it has any observable effect other than its primary effect of reading the value of its arguments and returning a value to the invoker of the operation. Example side effects include modifying or reading a non-local variable, a static local variable or a ...
Comparison ofprogramming languages. Programming languages are used for controlling the behavior of a machine (often a computer ). Like natural languages, programming languages follow rules for syntax and semantics . There are thousands of programming languages [1] and new ones are created every year. Few languages ever become sufficiently ...
Character encoding is the process of assigning numbers to graphical characters, especially the written characters of human language, allowing them to be stored, transmitted, and transformed using digital computers. [1] The numerical values that make up a character encoding are known as "code points" and collectively comprise a "code space", a ...
Julia is a high-level, general-purpose dynamic programming language, most commonly used for numerical analysis and computational science. Distinctive aspects of Julia's design include a type system with parametric polymorphism and the use of multiple dispatch as a core programming paradigm, efficient garbage collection, and a just-in-time (JIT) compiler (with support for ahead-of-time ...
A third-generation programming language ( 3GL) is a high-level computer programming language that tends to be more machine-independent and programmer-friendly than the machine code of the first-generation and assembly languages of the second-generation, while having a less specific focus to the fourth and fifth generations. [1]
An educational programming language and development environment, designed to help young students start programming by building 3D animations and games. It is currently available in English, Hebrew, Yiddish, and Chinese. MS Word and MS Excel. Their macro languages used to be localized in non-English languages.