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Spaghetti code is a pejorative phrase for unstructured and difficult-to-maintain source code. Spaghetti code can be caused by several factors, such as volatile project requirements, lack of programming style rules, and software engineers with insufficient ability or experience.

Snippet (programming) – Small region of re-usable source code, machine code, or text Template processor – Software designed to combine templates with a data model to produce result documents Web template system – System in web publishing that lets web designers and developers work with web templates to automatically generate custom web pages

The source code is often transformed by an assembler or compiler into binary machine code that can be executed by the computer. The machine code might then be stored for execution at a later time. Alternatively, source code may be interpreted and thus immediately executed. Most application software is distributed in a form that includes only ...

This allows CoffeeScript source code to be written in Markdown. The compiler will treat any indented blocks (Markdown's way of indicating source code) as code, and ignore the rest as comments. Extensions. Iced CoffeeScript is a superset of CoffeeScript which adds two new keywords: await and defer.

With more modern optimizing compilers and the greater complexity of recent CPUs, it is harder to write more efficient code than what the compiler generates, and few projects need this "ultimate" optimization step. Much code written today is intended to run on as many machines as possible.

Code that would typically be written with loops in some languages can be written concisely in Smalltalk using blocks, sometimes in a single line. But more importantly blocks allow control structure to be expressed using messages and polymorphism , since blocks defer computation and polymorphism can be used to select alternatives.