Nov. 21st, 2004

juan_gandhi: (Default)
Ну раз уж есть даже общество защиты рыбы и рыбных изделий...

Давайте учредим общество защиты абстратных понятий.

Ну чтобы в частности:
- не смели путать матрицу и метрику;
- не смели путать функтор и функционал;
- не смели смешивать логические и булевы константы;
- чтобы впредь не путали энергию, импульс, силу и потенциал;
- чтобы различали, гады, физические, духовные, сельскохозяйственные и коммутативные поля;
- чтоб знали разницу между болтами и шурупами;
- чтоб не путали дифференциал и производную;
- чтобы различали abstract factory и factory method; а также decorator, bridge и adapter.
- чтобы отличали барокко от рококо; импрессионизм от постимпрессионизма,
- чтоб знали разницу между саспарильей и сарсапарилье (шутка).

Ну, что скажете?
juan_gandhi: (Default)
А вы в курсе, что происходило с американскими военными лётчиками, совершавшими вынужденную посадку где-нибудь в Сибири или Владивостоке во время войны? Их интернировали, согласно Женевской конвенции. Логика заключалась в том, что США воевали с Японией, а СССР - нет.

http://www.axpow.org/smithjohn.htm
Read more... )
juan_gandhi: (Default)
The company looks so cool; just enter their building, you start enjoying it... and then oops: http://www.livejournal.com/users/ea_spouse/

I wonder how many sweatshop we actually have here in Bay Area.
Oracle seems to be one of them... but not that bad, no, never.
juan_gandhi: (Default)
We've all heard - Blechley park, the smart Brits, etc.
(some history under cut)
Read more... )
Actually, the code was broken as early as in 1934 by the Polish, whose names, Marian Rejewski (1905-1980), Jerzy Rozycki (1906–1942) and Henryk Zygalski (1906-1978), do not seem to be very popular among war historians - the people who helped to save tens of thousands of lives.

You know what? It is all published now. It was published in 1980. http://www.impan.gov.pl/Great/Rejewski/article.html

A relatively easy reading actually.

Here are some pictures: http://www.ellsbury.com/enigma1.htm

So, while Rozycki dies on a ship while escaping France in 1942, and the other two managed to get to Spain, to be put to prison their, their colleagues, with Turing, happily copied their work and got all the, you know.

One more funny detail:

Because the Polish cryptanalysts had briefly been in occupied France, the British considered them suspect and they were sent to Patriotic School, run by British Counter Intelligence. They were then turned over to Polish military authorities. The British strict rules precluded them from Bletchley Park

Not everything went smooth at Blechley Park: "GC&CS did not turn to Marian Rejewski for help concerning the new naval rotors VI and VII wiring. The equation he developed in the 1930s could have retrieved the wiring as it had the originals. But without his assistance, Bletchley Park made no significant breakthoughs into their enemy's secret naval messages"

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Juan-Carlos Gandhi

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