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  2. Resource acquisition is initialization - Wikipedia

    en.wikipedia.org/wiki/Resource_acquisition_is...

    In RAII, holding a resource is a class invariant, and is tied to object lifetime. Resource allocation (or acquisition) is done during object creation (specifically initialization), by the constructor, while resource deallocation (release) is done during object destruction (specifically finalization), by the destructor. In other words, resource ...

  3. Manual memory management - Wikipedia

    en.wikipedia.org/wiki/Manual_memory_management

    Languages with manual management can arrange this by acquiring the resource during object initialization (in the constructor), and releasing during object destruction (in the destructor), which occurs at a precise time. This is known as Resource Acquisition Is Initialization. This can also be used with deterministic reference counting.

  4. Object lifetime - Wikipedia

    en.wikipedia.org/wiki/Object_lifetime

    Object lifetime begins when allocation completes and ends when deallocation starts. Thus, during initialization and finalization, an object is alive, but may not be in a consistent state. The period between when initialization completes to when finalization starts is when the object is both alive and in a consistent state.

  5. Resource management (computing) - Wikipedia

    en.wikipedia.org/wiki/Resource_management...

    This is known as Resource Acquisition Is Initialization (RAII), and ties resource management to object lifetime, ensuring that live objects have all necessary resources. Other approaches do not make holding the resource a class invariant, and thus objects may not have necessary resources (because they've not been acquired yet, have already been ...

  6. Resource allocation (computer) - Wikipedia

    en.wikipedia.org/wiki/Resource_allocation_(computer)

    Resource allocation is the process by which a computing system aims to meet the hardware requirements of an application run by it. [1] Computing, networking and energy resources must be optimised taking into account hardware, performance and environmental restrictions. [ 2 ]

  7. Automatic variable - Wikipedia

    en.wikipedia.org/wiki/Automatic_variable

    The destructor is called when it reaches the end of the given program block (program blocks are surrounded by curly brackets). This feature is often used to manage resource allocation and deallocation, like opening and then automatically closing files or freeing up memory, called Resource Acquisition Is Initialization (RAII).

  8. Initialization (programming) - Wikipedia

    en.wikipedia.org/wiki/Initialization_(programming)

    Here, the construct : re(0), im(0) is the initializer list. Sometimes the term "initializer list" is also used to refer to the list of expressions in the array or struct initializer. C++11 provides for a more powerful concept of initializer lists, by means of a template, called std::initializer_list.

  9. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    RACF—Resource Access Control Facility; RAD—Rapid Application Development; RADIUS—Remote Authentication Dial In User Service; RAID—Redundant Array of Independent Disks; RAII—Resource Acquisition Is Initialization; RAIT—Redundant Array of Inexpensive Tapes; RAM—Random-Access Memory; RARP—Reverse Address Resolution Protocol