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Python: python.org: Python Software Foundation License: Python has two major implementations, the built in re and the regex library. Ruby: ruby-doc.org: GNU Library General Public License: Ruby 1.8, Ruby 1.9, and Ruby 2.0 and later versions use different engines; Ruby 1.9 integrates Oniguruma, Ruby 2.0 and later integrate Onigmo, a fork from ...
In computer programming, a weak reference is a reference that does not protect the referenced object from collection by a garbage collector, unlike a strong reference.An object referenced only by weak references – meaning "every chain of references that reaches the object includes at least one weak reference as a link" – is considered weakly reachable, and can be treated as unreachable and ...
In computer science, compare-and-swap (CAS) is an atomic instruction used in multithreading to achieve synchronization. It compares the contents of a memory location with a given value and, only if they are the same, modifies the contents of that memory location to a new given value. This is done as a single atomic operation.
Remote package management (go get) [52] and online package documentation [53] Distinctive approaches to particular problems: Built-in concurrency primitives: light-weight processes (goroutines), channels, and the select statement; An interface system in place of virtual inheritance, and type embedding instead of non-virtual inheritance
M-vars support atomic operations to take or put the current value, where taking the value also sets the M-var back to its initial empty state. [12] A concurrent logic variable [citation needed] is similar to a future, but is updated by unification, in the same way as logic variables in logic programming. Thus it can be bound more than once to ...
Package License † Language Input Output ezSpectra [5] [6] Free C++ Interfaces with Q-Chem and other packages Franck-Condon factors, photoionization cross-sections, photoelectron angular distributions, magnetic properties Libwfa [7] Free C++ Interfaces with Q-Chem and MOLCAS
This is a list of computer programs that use Monte Carlo methods for molecular modeling.. Abalone classical Hybrid MC; BOSS classical; CASINO quantum [1]; Cassandra classical [2]; CP2K ...
Similarly, the idea of immutable data from functional programming is often included in imperative programming languages, [108] for example the tuple in Python, which is an immutable array, and Object.freeze() in JavaScript. [109]