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Dynamic loading is a mechanism by which a computer program can, at run time, load a library (or other binary) into memory, retrieve the addresses of functions and variables contained in the library, execute those functions or access those variables, and unload the library from memory.
A dynamic library is a library that contains functions and data that can be consumed by a computer program at run-time as loaded from a file separate from the program executable. Dynamic linking or late binding allows for using a dynamic library by linking program library references with the associated objects in the library either at load-time ...
R is a programming language for statistical computing and data visualization. It has been adopted in the fields of data mining, bioinformatics and data analysis. [9] The core R language is augmented by a large number of extension packages, containing reusable code, documentation, and sample data. R software is open-source and free software.
A class library contains classes that can be used to create objects. In Java , for example, classes are contained in JAR files and objects are created at runtime from the classes. However, in Smalltalk , a class library is the starting point for a system image that includes the entire state of the environment, classes and all instantiated objects.
If a shared library that an executable depends on is deleted, moved, or renamed, or if an incompatible version of the library is copied to a place that is earlier in the search, the executable would fail to load. This is called dependency hell, existing on many platforms. The (infamous) Windows variant is commonly known as DLL hell. This ...
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A static library or statically linked library contains functions and data that can be included in a consuming computer program at build-time such that the library does not need to be accessible in a separate file at run-time. [1] If all libraries are statically linked, then the resulting executable will be stand-alone, a.k.a. a static build.
In some cases this is importing the exported functionality of a library, package or module but some mechanisms are simpler text file include operations. Import can be classified by level (module, package, class, procedure,...) and by syntax (directive name, attributes,...). File include