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Magic numbers become particularly confusing when the same number is used for different purposes in one section of code. It is easier to alter the value of the number, as it is not duplicated. Changing the value of a magic number is error-prone, because the same value is often used several times in different places within a program. [6]
Hexspeak is a novelty form of variant English spelling using the hexadecimal digits. Created by programmers as memorable magic numbers, hexspeak words can serve as a clear and unique identifier with which to mark memory or data.
Magical formula, words or formulae used in ceremonial magic; Magic words (baseball), words that will likely see a player ejected from the game if directed at an umpire; Magic words (politics), words or phrases as illustrative of speech that qualified as "express advocacy" in relation to United States politics
On the other hand, a valid magic number does not guarantee that the file is not corrupt or is of a correct type. So-called shebang lines in script files are a special case of magic numbers. There, the magic number consists of human-readable text within the file that identifies a specific command interpreter and options to be passed to it.
In the context of computer programming, magic is an informal term for abstraction; it is used to describe code that handles complex tasks while hiding that complexity to present a simple interface. The term is somewhat tongue-in-cheek , and often carries bad connotations, implying that the true behavior of the code is not immediately apparent.
These numbers may be around us every day, but the magic is when you feel like you are grabbed to look up, look right, look left, or you ask for a sign and it shows up in a way that lets you know ...
For example, when testing a program that takes a user's personal details and verifies their credit card number, a developer may decide to add a magic string shortcut whereby entering the unlikely input of "***" as a credit card number would cause the program to automatically proceed as if the card were valid, without spending time verifying it.
Here are some Mandela effect examples that have confused me over the years — and many others too. Grab your friends and see which false memories you may share. 1.