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Badea Robert

Artifacts are anomalies that are present during the visual representation of a graphical object. Can appear due to software bugs, overclocking the video card, driver-related issues, temperature of the hardware, etc.

Null object pattern/idiom is used when working with pointers. Instead of setting the pointer to null and verifying if it’s null, or doing a null pointer dereference by mistake, we provide a default implementation that does nothing when functions are called.