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A while loop is a control flow statement that repeats code until a condition is false. Learn how to write a while loop in different programming languages, such as C, Java, Python, and more, with examples and diagrams.
Duff's device is a C programming technique to manually implement loop unrolling by interleaving do-while and switch statements. It was invented by Tom Duff in 1983 to speed up a real-time animation program and is valid C but controversial.
C++ is a general-purpose programming language created by Bjarne Stroustrup as an extension of C. It has evolved over time to include object-oriented, generic, and functional features, as well as low-level memory manipulation and performance optimization. Learn about its history, features, and standards from this Wikipedia article.
Learn about the origin and evolution of the simple computer program that prints "Hello, World!" in different languages and devices. Find out how "Hello, World!" is used as a test, a tutorial, and a measure of programming language ease.
A statement is a syntactic unit of an imperative programming language that expresses some action to be carried out. Learn about simple and compound statements, syntax, semantics, and examples of various languages.
A do while loop is a control flow statement that executes a block of code and then either repeats or exits depending on a condition. Learn the syntax, examples and comparison with other loop constructs in various programming languages.
Learn about C, a general-purpose programming language created by Dennis Ritchie in the 1970s and widely used for operating systems, device drivers, and embedded systems. C has low-level features, static typing, and cross-platform portability.
Copy elision is a compiler optimization technique that eliminates unnecessary copying of objects in C++. Learn how it works, when it applies, and see examples of its usage and effects.