James Edward, II Gray's Best of Ruby Quiz (Pragmatic Programmers) PDF

By James Edward, II Gray

ISBN-10: 0976694077

ISBN-13: 9780976694076

Clear up those twenty-five well known programming puzzles, and sharpen your programming talents as you craft recommendations. you will find attention-grabbing and tough programming puzzles together with: 800 Numbers Crosswords Cryptograms Knight's journey Paper, Rock, Scissors Tic-Tac-Toe Texas Hold-Em ...and extra. studying to software could be very a problem. periods and books can get you thus far, yet sooner or later you'll want to sit and begin twiddling with a few code. basically via studying and writing actual code, with actual difficulties, are you able to research. The Ruby Quiz was once outfitted to fill precisely this want for Ruby programmers. demanding situations, strategies, and discussions mix to make Ruby Quiz a strong option to study Ruby tips. See how algorithms translate to Ruby code, get publicity to Ruby's libraries, and find out how different programmers use Ruby to resolve difficulties fast and successfully.

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Use Solitaire to generate a keystream letter for each letter in the message. This step is detailed in Section 15, The Keystream, on page 38, but for the sake of example, let’s just say we get this: DWJXH YRFDG TMSHP UURXJ 3. html. Report erratum 36 Q UIZ 15. S OLITAIRE C IPHER 4. Convert the keystream letters from step 2 using the same method: 4 23 10 24 8 25 18 6 4 7 20 13 19 8 16 21 21 18 24 10 5. Add the message numbers from step 3 to the keystream numbers from step 4 and subtract 26 from the result if it is greater than 26.

Thomas -> Mr. Gray would indicate that Mr. Thomas is giving gifts to Mr. Gray. Report erratum 47 Q UIZ 20. B ARREL OF M ONKEYS Quiz Answer on page 203 20 Barrel of Monkeys Posed by Gavin Kistner Last week one of the local radio stations was having a “Barrel of Monkeys” afternoon. While a song was playing, listeners would call in and suggest the next song, which had to begin with the same letter as the playing song ended in. So, for example, a sample (eclectic) Barrel of Monkeys playlist might be as follows: 1.

Finally, because this problem may be enough fun without having to discover trouble yourself, I offer a few things to think about here: • What do you do with songs with names like “’74-’75” or “Seventy Times 7” or “=:0 :(”? • How about a song named “Candy Everybody Wants (unplugged)” or “Voulez-Vous [Extended Remix, 1979 US Promo]” or “Speed Racer - Hardcore Mix” or “Breathe Remix Feat Sean Paul”? • What do you do if there is no way to connect two songs? ) Report erratum 49 Q UIZ 21. A MAZING M AZES Quiz Answer on page 214 21 Amazing Mazes Posed by Matthew Linnell Why don’t we try our hand at mazes?

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Best of Ruby Quiz (Pragmatic Programmers) by James Edward, II Gray


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