Recent content by sysprog1

if there are 100 doors, then you have only 1% chance of having picked the car door when you are offered the option to switch, and if you haven't picked the car door (99% chance), then switching wins (every time), but if you have picked the car door (1% chance), then switching loses (every time)...

If you didn't pick the prize door, switching wins; if switching loses; you picked the prize door: ~prize-door ##\rightarrow## (switch ##\rightarrow## win) switch ##\rightarrow## (~win ##\rightarrow## prize-door) Whether you picked the prize door or not is established when you pick a door...

Right ##-## if you always switch, then whenever you first pick the prize door (1/3 of the turns), you lose (by switching from the winner); and whenever you first pick one or the other of the non-prize doors (2/3 of the turns), you win (by switching to the winner (the other loser having been...

Monty doesn't open the door with the car, and he doesn't open the contestant's selected door. So he always opens a non-car non-selected door. The only new thing the contestant learns from Monty opening a door is which door he opened; whether the remaining non-selected non-opened door was...

After the random 1 in 3 car placement and the random 1 in 3 contestant door selection the code need check no further than whether the selected door has a car behind it when selected (3/9=1/3 chance), and whether the contestant switched: all car-holders who switch lose; all others who switch win...

It seems to me incongruous and disrespectful that she capitalizes on the commercial cachet of non-secular Christmas carols with explicit Christ references edited out. Presumably they are so-redacted because singing the songs with the Christ words left in would not be acceptable to her as a...

Got me there ##-## at first I thought, typo? (presumably yes, for an actual number of books in an actual library ##-## either ##{({10^{10}})}^6## or ##10^{({10^6})}## is way too big) ##-## but ##10 \times 10^6## (##=10^7##, or 10,000,000 = ten million, is a goodly number of books for a very...

I found this book very helpful in my student days -- its content is still comp-sci foundational, and by it the applicability of graph theory to computer programming of/or/and data structures is clearly shown...

The rosettacode.org site has many sample programming tasks/problems and it shows solutions implemented for each of them in dozens of languages,

The IBM System/360 had a date format with 2 digits for the year. IBM Systems Reference Library IBM System/360 Operating System Control Program Services Changing to a 4-digit year genuinely was necessary for disambiguation, and all the mainframe software vendors had Y2K-compliant editions of...

The Oxford Dictionary of English Etymology is not prohibitively expensive: new on Amazon: https://amazon.com/Oxford-Dictionary-English-Etymology/dp/0198611129?tag=pfamazon01-20 in very good condition on Alibris: https://alibris.com/search/books/isbn/9780198611127?qwork=4942312

Perhaps 'Formicians' -- Formicidae, the ant family, as far as we know are the only insects that never sleep.