motz
dijous, 16. d’agost 2001

don´t rely on software

the bathtub curve for software reliability

the upgrades imply feature upgrades, not upgrades for reliability. software will experience a drastic increase in failure rate each time an upgrade is made. The failure rate levels off gradually, partly because of the defects found and fixed after the upgrades. ( Jiantao Pan)

der geeignete talk dazu: how can we get reliable software from unreliable programmers (28.09.2001 in wien) danke grob :)

"interesting work is being done in <programming> computers to solve problems with requires a high degree of intelligence in humans. however, certain elementary verbal reasoning processes so simple that they can be carried out by any non-feeble-minded human have yet to be simulated by machine programs. this paper will discuss programs to manipulate in a suitable formal language ... " memo von john mccarthy über programs with common sense

ein fundstück für das historien archiv. aus vielen gründen: wegen john mccarthy, wegen "advice taker", the proposed program for solving problems for manipulating sentences in formal languages, aber auch wegen des vermerkes auf dem memo: "do not borrow" und dem titel der konferenz, wo dieses papier präsentiert wurde: "symposium on the mechanization of thought processes, 1958.

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Interessant

wie die erste Debugging-Phase die gründlichste ist. Je später im Produktzyklus, desto schleissiger wird debuggt.

... Link


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na na

reliable sw from unreliable programmers running on verrry reliable os'es compiled by superreliable compilers for cpu architectures with extremely reliabe microcode burnt into them ........

... Link

und was

hältst du davon?

how do we tell truths that might hurt?
by edsger w. dijkstra, 1975
"it is practically impossible to teach good <*programming*> to students that have had a prior exposure to BASIC: as potential programmers they are mentally mutilated beyond hope of regeneration."
or
"--"the fatal disease"-- belongs more to the problem set than to the solution set."
or
"the use of COBOL cripples the mind; its teaching should therefore be regarded as a criminal offence."

... link

there's a point

BUT superficiously understood ...

not all thinking and doing is sensefully structured by ´Principia Mthematica` ...

... link


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