• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

Tyco slot cars will be bought either online or in retailer. SettableSlot Untamed: A mutable Slot that remembers a present worth, and remembers a ValueGuard for coercing new values. ValueGuard Untamed: A ValueGuard will both coerce an enter to a worth that matches some situation, or it'll fail. Within the process you possibly can either rejects a value besides string, or coerce the value to a string. The Roulettes switched over to the brand new Pc-9s in late 1989, and arrived on the composition they've used ever since: six Pc-9s plus a spare. The ANSI Common Lisp standard specifies slot-value, (setf slot-worth), slot-boundp and slot-makunbound for commonplace-objects, and moreover suggests that these be applied in terms of Metaobject generic features Slot Sweet Bonanza-value-utilizing-class, (setf slot-worth-using-class), slot-boundp-utilizing-class and slot-makunbound-using-class. Given a base curve, let another curve roll on it, and name the point rigidly attached to this rolling curve the "pole." The following desk then summarizes some roulettes for varied common curves and poles. Within the case the place the rolling curve is a line and the generator is a point on the line, the roulette is known as an involute of the fastened curve. Roughly talking, a roulette is the curve described by a point (referred to as the generator or pole) connected to a given curve as that curve rolls with out slipping, along a second given curve that's fixed. More exactly, given a curve attached to a aircraft which is transferring in order that the curve rolls, with out slipping, along a given curve hooked up to a set aircraft occupying the same space, then a degree attached to the shifting airplane describes a curve, in the mounted plane known as a roulette. Within the differential geometry of curves, a roulette is a form of curve, generalizing cycloids, epicycloids, hypocycloids, trochoids, epitrochoids, hypotrochoids, and involutes. It was meant as a "punishment" shot as a part of their Russian Roulette drinking game.