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that such a keyboard can require three or four hands to operate. See bucky bits, cokebottle, double bucky, meta bit, quadruple bucky. |
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Note: early versions of this entry incorrectly identified the space-cadet keyboard with the Knight keyboard. Though both were designed by Tom Knight, the latter term was properly applied only to a keyboard used for ITS on the PDP-10 and modeled on the Stanford keyboard (as described under bucky bits). The true space-cadet keyboard evolved from the first Knight keyboard. |
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spaceship operator n. The glyph '=>', so-called apparently because in the low-resolution constant-width font used on many terminals it vaguely resembles a flying saucer. Perl uses this to denote the signum-of-difference operation. |
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SPACEWAR n. A space-combat simulation game, inspired by E. E. "Doc" Smith's "Lensman" books, in which two spaceships duel around a central sun, shooting torpedoes at each other and jumping through hyperspace. This game was first implemented on the PDP-1 at MIT in 196061. SPACEWAR aficionados formed the core of the early hacker culture at MIT. Nine years later, a descendant of the game motivated Ken Thompson to build, in his spare time on a scavenged PDP-7, the operating system that became Unix. Less than nine years after that, SPACEWAR was commercialized as one of the first video games; descendants are still feeping in video arcades everywhere. |
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spaghetti code n. Code with a complex and tangled control structure, esp. one using many GOTOs, exceptions, or other 'unstructured' branching constructs. Pejorative. The synonym kangaroo code has been reported, doubtless because such code has so many jumps in it. |
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spaghetti inheritance n. [encountered among users of object-oriented languages that use inheritance, such as Smalltalk] A convoluted class-subclass graph, often resulting from carelessly deriving subclasses from other classes just for the sake of reusing their code. Coined in a (successful) attempt to discourage such practice, through guilt-by-association with spaghetti code. |
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spam vt.,vi.,n. [from "Monty Python's Flying Circus"] 1. To crash a program by overrunning a fixed-size buffer with excessively large input data. See also buffer overflow, overrun screw, smash the stack. 2. To cause a newsgroup to be flooded with irrelevant or inappropriate messages. You can spam a newsgroup with as little as one well- (or ill-) planned message (e.g. asking "What do you think of abortion?" on soc.women). This |
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