magic number

Definition

A hard-coded numeric value embedded in code without explanation, leaving future developers to wonder if it's a critical constant or the programmer's birth year. Best practice: replace with named constants. Reality: it's easier to just ship it.

Example Usage

Why are we dividing by 86400 here? Oh right, that's the magic number for seconds in a day—should probably document that.

Origin

Programming term dating to at least the 1960s, considered poor practice since the dawn of structured programming

Fun Fact

The most famous magic number is probably 0x5f3759df from Quake III's fast inverse square root algorithm, which seemed like black magic until mathematicians explained it decades later.

Source: Software engineering code quality standards

Related Terms

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tri-dub

Tech-speak abbreviation for "www" that saves you from saying "double-you" three painful times in a row when reciting URLs. Born from the collective exhaustion of IT professionals tired of wasting breath on the internet's most repetitive syllables.

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marshalling

The process of organizing, arranging, or systematically ordering data, objects, or resources for a specific purpose—in tech, it's converting data structures into a transmittable format. In military and logistics contexts, it's arranging troops or equipment methodically for inspection or deployment. Think of it as the organizational obsessive-compulsive's dream job: everything in its place, properly sequenced, ready for action.

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Beginner

functionality

Corporate speak for "what this thing actually does" when stripped of marketing fluff and aspirational promises. In product development, it's the features that work versus the ones listed on the box; in trademark law, it's the legal concept that saves actually useful designs from being monopolized. The more someone emphasizes "rich functionality," the more likely you're getting a bloated mess of half-working features nobody asked for.

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Advanced

robustness

Tech and business jargon for how well a system withstands stress, failures, or unexpected inputs without falling apart like a house of cards. A robust system keeps chugging along when things go wrong, whether that's handling bad data, server crashes, or users doing incredibly stupid things. It's the engineering equivalent of building a car that still runs after being driven through a zombie apocalypse.

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Intermediate

1337

"Leet" or "elite" in early internet speak, where numbers replace letters because hackers in the '90s thought this was peak cool. Originally signified actual skill in coding or gaming, now mainly used ironically or by people stuck in 2003. The digital equivalent of a tribal armband tattoo.

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