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This feature makes it possible for an object or collection of objects to maintain a collection of states. This allows the object to easily revert to previous states. This can be useful when a user wants to undo previous edits multiple times in an application. The feature can also allow a user to redo multiple edits that were previously undone.
On February 16, 2019, React 16.8 was released to the public, introducing React Hooks. [18] Hooks are functions that let developers "hook into" React state and lifecycle features from function components. [19] Notably, Hooks do not work inside classes — they let developers use more features of React without classes. [20]
On an IBM mainframe, a power-on reset (POR) is a sequence of actions that the processor performs either due to a POR request from the operator or as part of turning on power. The operator requests a POR for configuration changes that cannot be recognized by a simple System Reset .
A resurrected object may be treated the same as other objects, or may be treated specially. In many languages, notably C#, Java, and Python (from Python 3.4), objects are only finalized once, to avoid the possibility of an object being repeatedly resurrected or even being indestructible; in C# objects with finalizers by default are only finalized once, but can be re-registered for finalization.
Most computers have a reset line that brings the device into the startup state and is active for a short time after powering on. For example, in the x86 architecture, asserting the RESET line halts the CPU; this is done after the system is switched on and before the power supply has asserted "power good" to indicate that it is ready to supply ...
At 3.4 GHz (i7-4770) this translates into 108.8 SP GFLOPS per core and 435.2 SP GFLOPS peak performance across the 4-core chip, giving roughly similar levels of performance per core, without taking into account the effects or benefits of Intel's Turbo Boost technology.
Support for up to 12 DIMMs of DDR4 memory per CPU socket; Xeon Platinum supports up to eight sockets; Xeon Gold supports up to four sockets; Xeon Silver and Bronze support up to two sockets
Further, a "cumulative clock rate" measure is sometimes assumed by taking the total cores and multiplying by the total clock rate (e.g. a dual-core 2.8 GHz processor running at a cumulative 5.6 GHz). There are many other factors to consider when comparing the performance of CPUs, like the width of the CPU's data bus , the latency of the memory ...