The expression problem is a challenging problem in programming languages that concerns the extensibility and modularity of statically typed data abstractions...

A regular expression (shortened as regex or regexp), sometimes referred to as a rational expression, is a sequence of characters that specifies a match...

with such tools, a natural problem is to find, if possible, a closed-form expression of this object; that is, an expression of this object in terms of...

No problem is an English expression, used as a response to thanks (among other functions). It is regarded by some as a less formal alternative to you're...

In probability theory, the birthday problem asks for the probability that, in a set of n randomly chosen people, at least two will share the same birthday...

In physics, specifically classical mechanics, the three-body problem is to take the initial positions and velocities (or momenta) of three point masses...

The XY problem is a communication problem encountered in help desk, technical support, software engineering, or customer service situations where the question...

In computer science, a parsing expression grammar (PEG) is a type of analytic formal grammar, i.e. it describes a formal language in terms of a set of...

In mathematics, an expression is a written arrangement of symbols following the context-dependent, syntactic conventions of mathematical notation. Symbols...

In linguistics, a phatic expression (English: /ˈfætɪk/, FAT-ik) is a communication which primarily serves to establish or maintain social relationships...

The Scunthorpe problem is the unintentional blocking of online content by a spam filter or search engine because their text contains a string (or substring)...

constant problem is the problem of deciding whether a given expression is equal to zero. This problem is also referred to as the identity problem or the...

various languages. The type-level approach by Servant solves the expression problem by allowing the extensibility along the dimensions of both data and...

where a and b are both instances of Vec. A problem with this approach is that more complicated expressions such as Vec x = a + b + c are implemented inefficiently...

within a brief allotted time. This problem has produced the expression "think outside the box".[page needed] Such problems are typically solved via a sudden...

truth values to the variables that makes the entire expression true. Given any decision problem in NP, construct a non-deterministic machine that solves...

programs of >30K lines (a 103 increase in size). Expression Problem Illustration of Small Expression Problem Extensible IDEs Multi-Dimensional Separation...

A multiword expression (MWE), also called phraseme,[citation needed] is a lexeme-like unit made up of a sequence of two or more lexemes that has properties...

The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal...

up no problem in Wiktionary, the free dictionary. No Problem may refer to: No problem, an English-language expression The "No-Problem" Problem, in spoken...

Unsolved problem in computer science Can all regular languages be expressed using generalized regular expressions with a limited nesting depth of Kleene...

"Turtles all the way down" is an expression of the problem of infinite regress. The saying alludes to the mythological idea of a World Turtle that supports...

Unsolved problem in mathematics For even numbers, divide by 2; For odd numbers, multiply by 3 and add 1. With enough repetition, do all positive integers...

field. Generalized star height problem: can all regular languages be expressed using generalized regular expressions with limited nesting depths of Kleene...

Alternatively, one may rely on a non-context-free grammar or a parsing expression grammar. The problem can also be solved by making explicit the link between an else...

decision problem is a computational problem that can be posed as a yes–no question on a set of input values. An example of a decision problem is deciding...

In computational mathematics, a word problem is the problem of deciding whether two given expressions are equivalent with respect to a set of rewriting...

In computer science, the funarg problem (function argument problem) refers to the difficulty in implementing first-class functions (functions as first-class...

The star height problem in formal language theory is the question whether all regular languages can be expressed using regular expressions of limited star...

mathematical puzzle, the goal of which is to find the simplest mathematical expression for every whole number from 0 to some maximum, using only common mathematical...