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Preconditions and human mind - pictured as word Preconditions inside a head to symbolize relation between Preconditions and the human psyche, 3d illustration
Closing browser window with caption precondition. Chalk drawing. Concept of dealing with trouble
428 precondition required concept. The origin server requires the request to be conditional. This response is intended to prevent the lost update problem.
412 acronym. The client has indicated preconditions in its headers which the server does not meet.
428 precondition error required concept. The origin server requires the request to be conditional.

Free stock photosprecondition (1)