string operator
51Null (SQL) — The Greek lowercase omega (ω) character is used to represent Null in database theory. Null is a special marker used in Structured Query Language (SQL) to indicate that a data value does not exist in the database. Introduced by the creator of the… …
52PERL — Paradigmen: prozedural, modular, teilweise objektorientiert Erscheinungsjahr: 1987 Entwickler: Larry Wall, Perl Porter Aktuelle …
53Programmiersprache Perl — Perl Paradigmen: prozedural, modular, teilweise objektorientiert Erscheinungsjahr: 1987 Entwickler: Larry Wall, Perl Porter Aktuelle …
54Tim Towtdi — Perl Paradigmen: prozedural, modular, teilweise objektorientiert Erscheinungsjahr: 1987 Entwickler: Larry Wall, Perl Porter Aktuelle …
55Timtowtdi — Perl Paradigmen: prozedural, modular, teilweise objektorientiert Erscheinungsjahr: 1987 Entwickler: Larry Wall, Perl Porter Aktuelle …
56Tmtowtdi — Perl Paradigmen: prozedural, modular, teilweise objektorientiert Erscheinungsjahr: 1987 Entwickler: Larry Wall, Perl Porter Aktuelle …
57Covariance and contravariance (computer science) — Within the type system of a programming language, covariance and contravariance refers to the ordering of types from narrower to wider and their interchangeability or equivalence in certain situations (such as parameters, generics, and return… …
58Eiffel (programming language) — Infobox programming language name = Eiffel paradigm = object oriented year = 1986 designer = Bertrand Meyer developer = Bertrand Meyer Eiffel Software latest release version = 4.2 latest release date = Feb 6, 1998 typing = static typing, strong… …
59Hilbert space — For the Hilbert space filling curve, see Hilbert curve. Hilbert spaces can be used to study the harmonics of vibrating strings. The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space. It… …
60AdS/CFT correspondence — For the relation of the AdS/CFT correspondence to the general context of string theory, see String theory. The conformal field theory, which may be a gauge theory lies on the conformal boundary of anti deSitter space with quantum gravity. In… …
