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De - Pt| Proverbs, aphorisms, quotations (English) | by Linux fortune |
| === ALL USERS PLEASE NOTE ======================== CAR and CDR now return extra values. The function CAR now returns two values. Since it has to go to the trouble to figure out if the object is carcdr-able anyway, we figured you might as well get both halves at once. For example, the following code shows how to destructure a cons (SOME-CONS) into its two slots (THE-CAR and THE-CDR): (MULTIPLE-VALUE-BIND (THE-CAR THE-CDR) (CAR SOME-CONS) ...) For symmetry with CAR, CDR returns a second value which is the CAR of the object. In a related change, the functions MAKE-ARRAY and CONS have been fixed so they don't allocate any storage except on the stack. This should hopefully help people who don't like using the garbage collector because it cold boots the machine so often. | |
| It's multiple choice time... What is FORTRAN? a: Between thre and fiv tran. b: What two computers engage in before they interface. c: Ridiculous. | |
| Proposed Additions to the PDP-11 Instruction Set: BBW Branch Both Ways BEW Branch Either Way BBBF Branch on Bit Bucket Full BH Branch and Hang BMR Branch Multiple Registers BOB Branch On Bug BPO Branch on Power Off BST Backspace and Stretch Tape CDS Condense and Destroy System CLBR Clobber Register CLBRI Clobber Register Immediately CM Circulate Memory CMFRM Come From -- essential for truly structured programming CPPR Crumple Printer Paper and Rip CRN Convert to Roman Numerals | |
| The Magician of the Ivory Tower brought his latest invention for the master programmer to examine. The magician wheeled a large black box into the master's office while the master waited in silence. "This is an integrated, distributed, general-purpose workstation," began the magician, "ergonomically designed with a proprietary operating system, sixth generation languages, and multiple state of the art user interfaces. It took my assistants several hundred man years to construct. Is it not amazing?" The master raised his eyebrows slightly. "It is indeed amazing," he said. "Corporate Headquarters has commanded," continued the magician, "that everyone use this workstation as a platform for new programs. Do you agree to this?" "Certainly," replied the master, "I will have it transported to the data center immediately!" And the magician returned to his tower, well pleased. Several days later, a novice wandered into the office of the master programmer and said, "I cannot find the listing for my new program. Do you know where it might be?" "Yes," replied the master, "the listings are stacked on the platform in the data center." -- Geoffrey James, "The Tao of Programming" | |
| ...At that time [the 1960s], Bell Laboratories scientists projected that computer speeds as high as 30 million floating-point calculations per second (megaflops) would be needed for the Army's ballistic missile defense system. Many computer experts -- including a National Academy of Sciences panel -- said achieving such speeds, even using multiple processors, was impossible. Today, new generation supercomputers operate at billions of operations per second (gigaflops). -- Aviation Week & Space Technology, May 9, 1988, "Washington Roundup", pg 13 | |
| A Severe Strain on the Credulity As a method of sending a missile to the higher, and even to the highest parts of the earth's atmospheric envelope, Professor Goddard's rocket is a practicable and therefore promising device. It is when one considers the multiple-charge rocket as a traveler to the moon that one begins to doubt... for after the rocket quits our air and really starts on its journey, its flight would be neither accelerated nor maintained by the explosion of the charges it then might have left. Professor Goddard, with his "chair" in Clark College and countenancing of the Smithsonian Institution, does not know the relation of action to re-action, and of the need to have something better than a vacuum against which to react... Of course he only seems to lack the knowledge ladled out daily in high schools. -- New York Times Editorial, 1920 | |
| Alan Cox Releases Quantum Kernel Submitted by Dave Finton A surprising development in the linux-kernel mailing list surfaced when Alan Cox announced the release of a 2.2 Linux kernel existing both as an official stable kernel and as a prepatch kernel. This immediately spurred the creation of two different realities (and hence two different Alan Coxes), where a kernel would not settle down to one or the other state until someone looked at it. "I think this resulted from the large number of 'final' prepatch kernels prior to the 2.2.14 release," said David Miller, kernel networking guru and gas station attendent (he'll settle down to one or the other state when someone looks at him). When word of this development spread to Microsoft, Bill Gates was extremely delighted. The Redmond, WA campus has been plagued with quantum fluctuations ever since the inception of Windows 2000 back in 1992. "Our release date has been existing in infinitely many states since the very beginning," said a Microsoft spokesperson. "This just shows the Linux operating system cannot scale to multiple realities as well as our OS." | |
| Unix has this thing called "directories", which make it possible for you to have multiple files with the same name on your disk. - Rik van Riel explaining the concept of directories | |
| The problem here (as someon else stated) is that when multiple dists use the same package format it only gives a "false sense of compatibility". -- Stephen Carpenter <sjc@delphi.com> | |
| I might be able to shoehorn a reference count in on top of the numeric value by disallowing multiple references on scalars with a numeric value, but it wouldn't be as clean. I do occasionally worry about that. --lwall | |
