TryRuby/source/try_ruby_en.json at b58dfa242545eee025bd401421549debe378852b · sunny/TryRuby · GitHub

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{
  "1": {"lang": "EN", "title": "Got 30 minutes? Give Ruby a shot right now!", "chapter": "Y", "answer": "", "ok": "", "error": "", "text": "%3Cp%3ERuby%20is%20a%20programming%20language%20from%20Japan%20which%20is%20revolutionizing%0Asoftware%20development.%3C/p%3E%0A%0A%3Cp%3EThe%20beauty%20of%20Ruby%20is%20found%20in%20its%20balance%20between%20simplicity%20and%20power.%3C/p%3E%0A%0A%3Cp%3EYou%20can%20type%20some%20Ruby%20code%20in%20the%20editor%20and%20use%20these%20buttons%20to%20navigate:%3C/p%3E%0A%0A%3Cul%3E%0A%3Cli%3E%3Cstrong%3ERun%3C/strong%3E%20&rarr;%20Executes%20the%20code%20in%20the%20editor%3C/li%3E%0A%3Cli%3E%3Cstrong%3ECopy%3C/strong%3E%20&rarr;%20Copies%20the%20example%20code%20to%20the%20editor%3C/li%3E%0A%3Cli%3E%3Cstrong%3ENext%3C/strong%3E%20&rarr;%20Allows%20you%20to%20go%20to%20the%20next%20lesson%3C/li%3E%0A%3Cli%3E%3Cstrong%3EBack%3C/strong%3E%20&rarr;%20Allows%20you%20to%20return%20to%20the%20previous%20lesson%3C/li%3E%0A%3Cli%3E%3Cstrong%3EClear%3C/strong%3E%20&rarr;%20Clears%20the%20editor%3C/li%3E%0A%3C/ul%3E%0A%0A%3Cp%3EUse%20the%20&lsquo;world&rsquo;%20button%20%3Cspan%20aria-hidden=%22true%22%20class=%22glyphicon%20glyphicon-globe%22%3E%3C/span%3E%0Aabove%20to%20change%20TryRuby&rsquo;s%20language.%3C/p%3E%0A%0A%3Ch3%3EClick%20on%20%3Cstrong%3ENext%3C/strong%3E%20to%20start%20learning.%3C/h3%3E%0A", "load_code": ""},
  "2": {"lang": "EN", "title": "Using the editor", "chapter": "N", "answer": "%5E%5Cd%7B1,%7D$", "ok": "Good!%20You%20did%20a%20bit%20of%20math.%20See%20how%20the%20answer%20popped%20out?", "error": "Type%202%20+%206%20in%20the%20editor", "text": "%3Cp%3EThe%20editor%20window%20at%20the%20bottom%20is%20where%20you%20type%20your%20Ruby%20code,%20hit%20the%20%3Cstrong%3ERun%3C/strong%3E%20button%20and%0Awatch%20it%20run!%3C/p%3E%0A%0A%3Cp%3EFor%20example,%20try%20typing%20some%20math.%20Like:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E2%20+%206%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EThe%20output%20of%20your%20program%20should%20show%20itself%20at%20the%20output%20window%20at%20the%20top.%0AThere%20should%20also%20be%20a%20line%20that%20tells%20you%20how%20well%20you%20did.%3C/p%3E%0A%0A%3Cblockquote%3E%0A%3Cp%3EAlternatively%20you%20can%20hit%20the%20%3Cstrong%3ECopy%3C/strong%3E%20button%20to%20copy%20the%20example%20code%20to%20the%20editor.%3C/p%3E%0A%3C/blockquote%3E%0A", "load_code": ""},
  "3": {"lang": "EN", "title": "Numbers and Math", "chapter": "N", "answer": "%5E[0-9%5C.,-]%7B1,%7D$", "ok": "Good", "error": "", "text": "%3Cp%3ERuby%20recognizes%20numbers%20and%20mathematic%20symbols.%20You%20could%20try%20some%20other%20math%20like:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E4%20*%2010%0A5%20-%2012%0A30%20/%204%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "4": {"lang": "EN", "title": "Putting it differently", "chapter": "N", "answer": "%5E[0-9%5C.,-]%7B1,%7D$", "ok": "Well%20put", "error": "", "text": "%3Cp%3EDid%20you%20notice%20that%20if%20you%20typed%20more%20than%20one%20formula%20you%20only%20saw%20the%20answer%20for%20the%20last%20one.%0AWhat%20is%20going%20on?%3C/p%3E%0A%0A%3Cblockquote%3E%0A%3Cp%3ETo%20make%20this%20website%20easier%20to%20use%20I%20have%20told%20Ruby%20to%20copy%20the%20result%20of%20your%20program%20to%20the%0Aoutput%20screen%20at%20the%20top.%20So%20when%20you%20type%20a%20formula%20you%20get%20to%20see%20the%20results.%0A%3Cstrong%3EBut%20only%20the%20last%20result.%3C/strong%3E%20And%20only%20if%20the%20output%20is%20still%20empty.%3C/p%3E%0A%3C/blockquote%3E%0A%0A%3Cp%3ESo%20when%20you%20entered%202%20or%20more%20formula&rsquo;s,%20Ruby%20only%20showed%20the%20result%20of%20the%20last%20formula.%3C/p%3E%0A%0A%3Cp%3EOf%20course%20you%20have%20the%20power%20to%20control%20the%20screen!%20Just%20type%20%3Cstrong%3Eputs%3C/strong%3E%20before%20each%20formula%0A(with%20a%20space%20in%20between).%20Puts%20means:%20%3Cem%3E&lsquo;put%20something%20on%20the%20screen&rsquo;%3C/em%3E.%3C/p%3E%0A%0A%3Cp%3ETry%20this:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eputs%204%20*%2010%0Aputs%205%20-%2012%0Aputs%2030%20/%204%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3ENow%20remove%20the%20puts%20from%20the%20last%20formula%20and%20see%20what%20happens.%3C/p%3E%0A", "load_code": ""},
  "5": {"lang": "EN", "title": "Say Your Name", "chapter": "N", "answer": "[a-zA-Z]%7B1,1%7D", "ok": "Perfect,%20you've%20formed%20a%20string%20from%20the%20letters%20of%20your%20name", "error": "", "text": "%3Cp%3ESure,%20computers%20are%20handy%20and%20fast%20for%20math.%20Let&rsquo;s%20move%20on.%20Want%20to%20see%20your%20name%20reversed?%3C/p%3E%0A%0A%3Cp%3EFirst%20type%20your%20first%20name%20in%20quotes%20like%20this:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E&quot;Jimmy&quot;%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "6": {"lang": "EN", "title": "Say Your Name Backwards", "chapter": "N", "answer": "%5Cw+", "ok": "dooG", "error": "", "text": "%3Cp%3EA%20string%20is%20a%20set%20of%20characters%20the%20computer%20can%20process.%20Imagine%20the%20letters%20are%20on%20a%20string%20of%0Alaundry%20line%20and%20the%20quotes%20are%20clothespins%20holding%20the%20ends.%20The%20quotes%20mark%20the%20beginning%20and%20end.%3C/p%3E%0A%0A%3Cp%3ETo%20reverse%20your%20name,%20type:%20%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E&quot;Jimmy&quot;.reverse%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3E(Don&rsquo;t%20forget%20the%20dot!)%3C/p%3E%0A", "load_code": ""},
  "7": {"lang": "EN", "title": "Counting the Letters", "chapter": "N", "answer": "%5E%5Cd+$", "ok": "Yep.%20Length%20is%20also%20a%20'method'", "error": "", "text": "%3Cp%3EYou%20have%20used%20the%20reverse%20%3Cstrong%3Emethod%3C/strong%3E%20on%20your%20name!%20By%20enclosing%20your%20name%20in%20quotes,%20you%20made%20a%20string.%20Then%20you%20called%20the%20reverse%20method,%20which%20works%20on%20strings%20to%20flip%20all%20the%20letters%20backwards.%3C/p%3E%0A%0A%3Cp%3ENow,%20let%20us%20see%20how%20many%20letters%20are%20in%20your%20name:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E&quot;Jimmy&quot;.length%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "8": {"lang": "EN", "title": "On Repeat", "chapter": "N", "answer": "(%5Cw+)", "ok": "Nice%20to%20meet%20you.Nice%20to%20meet%20you.Nice%20to%20meet%20you.", "error": "", "text": "%3Cp%3ENow,%20you&rsquo;re%20probably%20wondering%20what%20any%20of%20this%20is%20good%20for.%3C/p%3E%0A%0A%3Cp%3EWell,%20I&rsquo;m%20sure%20you&rsquo;ve%20been%20to%20a%20website%20that%20screamed,%20%3Cstrong%3EHey,%20your%20password%20is%20too%20short!%3C/strong%3E%3C/p%3E%0A%0A%3Cp%3ESee,%20some%20programs%20use%20that%20simple%20%3Cstrong%3E.length%3C/strong%3E%20code.%3C/p%3E%0A%0A%3Cp%3EWatch%20this.%20Let&rsquo;s%20multiply%20your%20name%20by%205.%20%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E&quot;Jimmy&quot;%20*%205%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "9": {"lang": "EN", "title": "Hey, Summary #1 Already", "chapter": "Y", "answer": "%5ENoMethodError(.*)$", "ok": "Nope,%20it%20is%20not%20possible%20to%20reverse%20a%20number.%20Click%20'next'", "error": "", "text": "%3Cp%3ELet&rsquo;s%20look%20at%20what%20you&rsquo;ve%20learned%20in%20the%20first%20minute.%3C/p%3E%0A%0A%3Ch3%3EThe%20editor%3C/h3%3E%0A%0A%3Cp%3ETyping%20code%20into%20the%20editor%20and%20clicking%20on%20run%20gives%20you%20an%20answer%20in%20the%20ouput%20window.%0A(Almost)%20all%20code%20gives%20an%20answer.%3C/p%3E%0A%0A%3Ch3%3ENumbers%20and%20strings%3C/h3%3E%0A%0A%3Cp%3ENumbers%20and%20strings%20are%20Ruby&rsquo;s%20math%20and%20text%20objects.%3C/p%3E%0A%0A%3Ch3%3EMethods%3C/h3%3E%0A%0A%3Cp%3EYou&rsquo;ve%20used%20English-language%20methods%20like%20reverse%20and%20length.%20And%20symbolic%20methods%20like%20the%0Amultiplication%20method:%20*%3Cbr%3E%0A%3Cstrong%3EMethods%20mean%20action!%3C/strong%3E%3C/p%3E%0A%0A%3Cp%3EThis%20is%20the%20essence%20of%20your%20learning.%20Taking%20simple%20things,%20toying%20with%20them%20and%20turning%20them%20into%0Anew%20things.%20Feeling%20comfortable%20yet?%20I%20promise%20you%20are.%3C/p%3E%0A%0A%3Ch2%3EOkay,%3C/h2%3E%0A%0A%3Cp%3Elet&rsquo;s%20do%20something%20uncomfortable.%20Try%20reversing%20a%20number:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E40.reverse%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "10": {"lang": "EN", "title": "Stop, You're Barking Mad!", "chapter": "N", "answer": "%5E%5Cd%7B1,%7D$", "ok": "Only%20strings%20can%20be%20reversed", "error": "", "text": "%3Cp%3EYou%20can&rsquo;t%20reverse%20the%20number%20forty.%20I%20guess%20you%20can%20hold%20your%20monitor%20up%20to%20the%20mirror,%20but%20reversing%20a%20number%20just%20doesn&rsquo;t%20make%20sense.%3C/p%3E%0A%0A%3Cp%3ERuby%20has%20tossed%20an%20error%20message.%20Ruby%20is%20telling%20you%20there%20is%20no%20method%20reverse%20for%20numbers.%3C/p%3E%0A%0A%3Cp%3EMaybe%20if%20you%20turn%20the%20number%20into%20a%20string%20first:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E40.to_s.reverse%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "11": {"lang": "EN", "title": "Boys are Different From Girls", "chapter": "N", "answer": "%5C[%5C]", "ok": "Great,%20that's%20an%20empty%20list", "error": "", "text": "%3Cp%3EAnd%20numbers%20are%20different%20from%20strings.%3C/p%3E%0A%0A%3Cp%3EWhile%20you%20can%20use%20methods%20on%20any%20object%20in%20Ruby,%20some%20methods%20only%20work%20on%20certain%20types%20of%20things.%0ABut%20you%20can%20always%20convert%20between%20different%20types%20using%20Ruby&rsquo;s%20&ldquo;to&rdquo;%20methods.%3C/p%3E%0A%0A%3Cul%3E%0A%3Cli%3E%3Cstrong%3Eto_s%3C/strong%3E%20converts%20things%20to%20%3Cstrong%3Es%3C/strong%3Etrings%3C/li%3E%0A%3Cli%3E%3Cstrong%3Eto_i%3C/strong%3E%20converts%20things%20to%20%3Cstrong%3Ei%3C/strong%3Entegers%20(numbers)%3C/li%3E%0A%3Cli%3E%3Cstrong%3Eto_a%3C/strong%3E%20converts%20things%20to%20%3Cstrong%3Ea%3C/strong%3Errays%3C/li%3E%0A%3C/ul%3E%0A%0A%3Cp%3E%3Cstrong%3EWhat%20are%20arrays?!%3C/strong%3E%3C/p%3E%0A%0A%3Cp%3EThey%20are%20lists.%20Type%20in%20a%20pair%20of%20brackets:%20%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E[]%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
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  "13": {"lang": "EN", "title": "One Raises Its Hand", "chapter": "N", "answer": "%5E47$", "ok": "Okay", "error": "", "text": "%3Cp%3EA%20list%20of%20lottery%20numbers.%20Which%20one%20is%20the%20highest?%3C/p%3E%0A%0A%3Cp%3ETry:%20%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E[12,%2047,%2035].max%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "14": {"lang": "EN", "title": "Tucking a List Away", "chapter": "N", "answer": "%5E%5C[(%5Cd+)(,%5Cs*%5Cd+)%7B2,%7D%5C]$", "ok": "Saved!", "error": "", "text": "%3Cp%3EGood,%20good.%20But%20it&rsquo;s%20annoying%20to%20have%20to%20retype%20that%20list%20every%20time%20you%20need%20it,%20isn&rsquo;t%20it?%3C/p%3E%0A%0A%3Cp%3ELet&rsquo;s%20save%20our%20numbers%20inside%20a%20ticket%20like%20so:%20%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eticket%20=%20[12,%2047,%2035]%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
  "15": {"lang": "EN", "title": "Now Type Ticket", "chapter": "N", "answer": "%5C[(%5Cd+(,%20)?)%7B2,%7D%5C]", "ok": "Restored!", "error": "", "text": "%3Cp%3ENow,%20type:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eticket%0A%3C/code%3E%3C/pre%3E%0A", "load_code": "ticket%20=%20[12,%2047,%2035]"},
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  "21": {"lang": "EN", "title": "Too Much Reversal", "chapter": "N", "answer": "%5E%5C[%22More%20still%20did%20(.+)", "ok": "Yes,%20almost%20what%20we%20want", "error": "", "text": "%3Cp%3ESo%20the%20whole%20poem&rsquo;s%20been%20turned%20backwards,%20letter-by-letter.%20I%20really%20wanted%20to%20just%20reverse%20the%20lines%20though.%0AMove%20the%20last%20line%20up%20to%20first%20and%20the%20first%20line%20down%20to%20last.%3C/p%3E%0A%0A%3Cp%3EBackwards,%20but%20not%20%3Cstrong%3Ethat%3C/strong%3E%20backwards.%3C/p%3E%0A%0A%3Cp%3EHere&rsquo;s%20how:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Epoem.lines.reverse%0A%3C/code%3E%3C/pre%3E%0A", "load_code": "prev"},
  "22": {"lang": "EN", "title": "Ringlets of Chained Methods", "chapter": "N", "answer": "%5EMore%20still%20did%20(.+)", "ok": "Good%20show,%20my%20friend!%20The%20join%20method%20took%20that%20array%20of%20lines%20and%20put%20them%20together%20into%20a%20string.", "error": "", "text": "%3Cp%3ESo%20what%20do%20you%20see?%20What%20happened%20there?%20You%20typed%20%3Cstrong%3Epoem.lines.reverse%3C/strong%3E%20and%20what%20happened?%3C/p%3E%0A%0A%3Cp%3ETwo%20things%20happened.%20You%20turned%20the%20poem%20into%20a%20list%20using%20lines.%0ALines%20decides%20the%20way%20the%20string%20is%20split%20up%20and%20converts%20it%20into%20an%20Array.%3C/p%3E%0A%0A%3Cp%3EThen,%20you%20reversed%20that%20list.%20You%20had%20each%20line.%20You%20reversed%20them.%20That&rsquo;s%20it.%3C/p%3E%0A%0A%3Cp%3ELet&rsquo;s%20tack%20one%20more%20method%20on%20the%20end%20there:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eputs%20poem.lines.reverse.join%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3ECombining%20methods%20like%20this%20is%20called%20%3Cem%3Emethod%20chaining%3C/em%3E.%3C/p%3E%0A", "load_code": "prev"},
  "23": {"lang": "EN", "title": "Of All the Summaries, #3 is Here Now", "chapter": "Y", "answer": "%5C%7B%5C%7D", "ok": "You've%20made%20an%20empty%20hash!", "error": "", "text": "%3Ch3%3EExclamations%3C/h3%3E%0A%0A%3Cp%3EMethods%20may%20have%20exclamations%20(and%20also%20question%20marks)%20in%20their%20name.%0AThese%20are%20just%20there%20to%20better%20explain%20what%20their%20function%20is.%20No%20big%20deal.%3C/p%3E%0A%0A%3Ch3%3EString%20manipulation%3C/h3%3E%0A%0A%3Cp%3ESearch%20and%20change%20strings%3C/p%3E%0A%0A%3Ch3%3EChaining%3C/h3%3E%0A%0A%3Cp%3EChaining%20methods%20lets%20you%20get%20a%20lot%20more%20done.%20Break%20up%20a%20poem,%20reverse%20it,%20reassemble%20it:%0A%3Cstrong%3Epoem.lines.reverse.join%3C/strong%3E%3C/p%3E%0A%0A%3Cp%3EAt%20this%20point,%20you%20may%20want%20to%20tinker%20with%20the%20poem%20a%20bit%20more.%20A%20complete%20list%20of%20all%20the%20String%0Amethods%20is%20%3Ca%20href=%22http://ruby-doc.org/core/classes/String.html%22%20target=%22_blank%22%3Ehere%3C/a%3E.%3C/p%3E%0A%0A%3Cp%3EGo%20ahead%20and%20try%20a%20few,%20such%20as:%20poem.downcase%20or%20poem.swapcase%3C/p%3E%0A%0A%3Ch2%3EReady?%3C/h2%3E%0A%0A%3Cp%3EWhen%20you%20feel%20ready%20to%20move%20on,%20type:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Ebooks%20=%20%7B%7D%0A%3C/code%3E%3C/pre%3E%0A", "load_code": "prev"},
  "24": {"lang": "EN", "title": "A Wee Blank Book", "chapter": "N", "answer": "%5E(splendid%7Cquite_good%7Cmediocre%7Cquite_not_good%7Cabyssmal)$", "ok": "Yes%20that's%20a%20new%20review", "error": "Use%20one%20of%20splendid,%20quite_good,%20mediocre,%20quite_not_good,%20abyssmal.%20Don't%20forget%20the%20colon", "text": "%3Cp%3EYou&rsquo;ve%20made%20an%20empty%20%3Cstrong%3Ehash%3C/strong%3E.%20A%20hash%20is%20like%20an%20array,%20only%20every%20one%20of%20its%20elements%20has%20a%20name.%3C/p%3E%0A%0A%3Cp%3EWe&rsquo;re%20going%20to%20stuff%20some%20miniature%20book%20reviews%20in%20our%20new%20hash.%20Here&rsquo;s%20our%20rating%20system:%3C/p%3E%0A%0A%3Cul%3E%0A%3Cli%3E:splendid%20&rarr;%20a%20masterpiece%3C/li%3E%0A%3Cli%3E:quite_good%20&rarr;%20enjoyed,%20sure,%20yes%3C/li%3E%0A%3Cli%3E:mediocre%20&rarr;%20equal%20parts%20great%20and%20terrible%3C/li%3E%0A%3Cli%3E:quite_not_good%20&rarr;%20notably%20bad%3C/li%3E%0A%3Cli%3E:abyssmal%20&rarr;%20steaming%20wreck%3C/li%3E%0A%3C/ul%3E%0A%0A%3Cp%3ETo%20rate%20a%20book,%20put%20the%20title%20in%20square%20brackets%20and%20put%20the%20rating%20after%20the%20equals.%20For%20example:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Ebooks[&quot;Gravitys%20Rainbow&quot;]%20=%20:splendid%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cblockquote%3E%0A%3Cp%3EBy%20now%20I%20think%20it%20is%20only%20fair%20to%20tell%20you%20that%20all%20lessons%20in%20TryRuby%20are%20separate%20from%20each%20other.%0ASo%20if%20you%20go%20crazy%20typing%20book%20reviews%20here,%20you%20can%20only%20use%20&lsquo;em%20in%20this%20lesson.%3Cbr%3E%0AIf%20you%20want%20to%20use%20your%20reviews%20in%20the%20next%20lesson%20you%20should%20copy/paste%20them.%3Cbr%3E%0ADon&rsquo;t%20worry%20about%20this%20too%20much,%20each%20lesson%20has%20plenty%20of%20predefined%20stuff%20for%20you%20to%20play%20around%20with.%3C/p%3E%0A%3C/blockquote%3E%0A", "load_code": "books%20=%20%7B%7D"},
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  "30": {"lang": "EN", "title": "Have you got the time?", "chapter": "N", "answer": "%5E[0-9]$", "ok": "You%20timed%20it%20just%20right!", "error": "Run%20the%20block%200%20to%209%20times", "text": "%3Cp%3EAs%20we%20saw%20in%20the%20first%20example%20with%20a%20block%20(when%20counting%20ratings)%20we%20can%20pass%20a%20value%20to%20the%20block.%20Which%0Avalues%20are%20%3Cstrong%3Epassed%3C/strong%3E%20is%20determined%20by%20the%20method%20that%20is%20running%20the%20block.%3C/p%3E%0A%0A%3Cp%3EThe%20values%20that%20are%20%3Cstrong%3Ereceived%3C/strong%3E%20by%20the%20block%20are%20placed%20in%20the%20variable%20name%20at%20the%20beginning%20of%20the%20block,%0Abetween%20two%20pipe%20symbols:%20%7C%3C/p%3E%0A%0A%3Cp%3ELet&rsquo;s%20try%20that%20with%20this%20block:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E5.times%20%7B%20%7Ctime%7C%0A%20%20puts%20time%0A%7D%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EHere,%20method%20%3Cstrong%3E.times%3C/strong%3E%20sends%20a%20value%20to%20variable%20%3Cstrong%3E%7Ctime%7C%3C/strong%3E.%20But%20note%20that%20variable%20time%20is%20only%20known%20within%20the%20block.%3C/p%3E%0A%0A%3Cblockquote%3E%0A%3Cp%3EDid%20you%20notice%20that%20you%20can%20split%20code%20over%20multiple%20lines.%20This%20makes%20it%20a%20bit%20easier%20to%20read.%3C/p%3E%0A%3C/blockquote%3E%0A", "load_code": ""},
  "31": {"lang": "EN", "title": "Now Arriving at Summary #4", "chapter": "Y", "answer": "", "ok": "", "error": "", "text": "%3Cp%3EThis%20last%20lesson%20was%20a%20bit%20longer.%20You&rsquo;ve%20probably%20used%20up%20three%20minutes%20learning%20about:%3C/p%3E%0A%0A%3Ch3%3EHashes%3C/h3%3E%0A%0A%3Cp%3EThe%20little%20dictionary%20with%20the%20curly%20pages:%20%3Cstrong%3E%7B%7D%3C/strong%3E%3C/p%3E%0A%0A%3Ch3%3ESymbols%3C/h3%3E%0A%0A%3Cp%3ETiny,%20efficient%20code%20words%20with%20a%20colon,%20like:%20%3Cstrong%3E:splendid%3C/strong%3E%3C/p%3E%0A%0A%3Ch3%3EBlocks%3C/h3%3E%0A%0A%3Cp%3EChunks%20of%20code%20which%20can%20be%20tacked%20on%20to%20many%20of%20Ruby&rsquo;s%20methods.%20Here&rsquo;s%20the%20code%20you%20used%20to%0Abuild%20a%20scorecard:%3Cbr%3E%0A%3Cstrong%3Ebooks.values.each%20%7B%20%7Crate%7C%20ratings[rate]%20+=%201%20%7D%3C/strong%3E%3C/p%3E%0A%0A%3Ch3%3ENext%3C/h3%3E%0A%0A%3Cp%3EIn%20the%20next%20lesson%20we%20will%20delve%20al%20little%20bit%20deeper%20into%20methods.%3C/p%3E%0A", "load_code": ""},
  "32": {"lang": "EN", "title": "To (be) or not to (be)", "chapter": "N", "answer": "", "ok": "", "error": "", "text": "%3Cp%3EOne%20other%20little%20thing%20we%20haven&rsquo;t%20really%20talked%20about%20openly:%20method%20arguments.%0ARemember%20when%20we%20changed%20the%20poem%20a%20little%20bit?%20We%20used:%0A%3Cstrong%3Epoem.gsub(&ldquo;toast&rdquo;,%20&ldquo;honeydew&rdquo;)%3C/strong%3E%3C/p%3E%0A%0A%3Cp%3EThe%20gsub%20method%20needs%202%20arguments,%20which%20we%20passed%20to%20gsub%20by%20including%20two%20strings%20between%0Aparenthesis.%20%3Cem%3EArguments%20tell%20the%20method%20exactly%20what%20to%20do.%3C/em%3E%3C/p%3E%0A%0A%3Ch3%3EParenthesis%3C/h3%3E%0A%0A%3Cp%3EActually,%20most%20of%20the%20time%20Ruby%20doesn&rsquo;t%20mind%20if%20you%20omit%20the%20parenthesis.%20So%20this%20would%20have%0Aworked%20too:%0A%3Cstrong%3Epoem.gsub%20&ldquo;toast&rdquo;,%20&ldquo;honeydew&rdquo;%3C/strong%3E%3C/p%3E%0A%0A%3Cp%3EWe%20have%20already%20used%20another%20method%20with%20a%20parameter.%20Many%20times%20in%20fact,%20though%20it%20was%20not%20very%0Aobvious:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eputs%20&quot;Hello&quot;%0Aputs(&quot;Hello&quot;)%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EYes%20%3Cstrong%3Eputs%3C/strong%3E%20is%20also%20a%20method.%20Using%20puts%20with%20or%20without%20parenthesis%20is%20the%20same%20to%20Ruby,%20but%20the%0Aversion%20without%20parenthesis%20is%20a%20bit%20easier%20to%20read.%20And%20it%20saves%20you%20valuable%20typing%20time!%3C/p%3E%0A%0A%3Cblockquote%3E%0A%3Cp%3ESo%20I%20guess%20the%20conclusion%20is%20that%20you%20can%20do%20whatever%20you%20like%20with%20parenthesis%20as%20long%20as%20your%0Acode%20reads%20nicely.%3C/p%3E%0A%3C/blockquote%3E%0A%0A%3Ch3%3Eto%20(be)%20or%20not%20to%20(be)%3C/h3%3E%0A%0A%3Cp%3ESo%20if%20%3Cem%3Eto%3C/em%3E%20is%20a%20method%20and%20%3Cem%3Ebe%3C/em%3E%20is%20an%20argument%20we%20now%20know%20the%20answer%20to%20this%20age%20old%20question.%0AIt%20is%20really%20just%20a%20matter%20of%20preference%20whether%20you%20want%20%3Cem%3Eto%20be%3C/em%3E%20or%20%3Cem%3Eto(be)%3C/em%3E.%3C/p%3E%0A%0A%3Cp%3EAre%20you%20in%20the%20mood%20for%20more%20Shakespeare?%20Read%20on.%3C/p%3E%0A", "load_code": "poem%20=%20%22My%20toast%20has%20flown%20from%20my%20hand%5CnAnd%20my%20toast%20has%20gone%20to%20the%20moon.%5CnYada%20yada%20yada%5Cn%22"},
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  "42": {"lang": "EN", "title": "If only I new how to make a decision", "chapter": "N", "answer": "", "ok": "", "error": "", "text": "%3Cp%3EDecision%20making,%20in%20real%20life%20this%20can%20be%20a%20real%20problem.%20Not%20for%20us%20though.%0ARuby%20makes%20it%20very%20easy%20to%20make%20decisions.%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eif%201%20&lt;%202%0A%20%20puts%20&quot;It%20is%20true:%201%20is%20less%20than%202&quot;%0Aend%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EThe%20key%20word%20here%20is%20%3Cstrong%3Eif%3C/strong%3E.%20If%20can%20be%20placed%20before%20a%20method%20or%20after%20a%20method,%20like%20so:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eputs%20&quot;It%20is%20true:%201%20is%20less%20than%202&quot;%20if%201%20&lt;%202%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3E%3Cstrong%3EIf%3C/strong%3E%20is%20a%20method%20that%20requires%20one%20parameter.%20That%20parameter%20can%20be%20any%20expression%20that%20you%0Awant%20to%20test.%20The%20outcome%20of%20the%20expression%20must%20be%20either%20%3Cstrong%3Etrue%3C/strong%3E%20or%20%3Cstrong%3Efalse%3C/strong%3E.%0AHere%20are%20a%20couple%20of%20expressions%20with%20their%20outcomes:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3E5%20%20%20%20%20&lt;=%2010%20%20%20%20%20%23%20=&gt;%20true%0A&%2339;abc&%2339;%20==%20&%2339;def&%2339;%20%20%23%20=&gt;%20false%0Atrue%20%20%20%20%20%20%20%20%20%20%20%20%23%20=&gt;%20true%0A123456%20%20%20%20%20%20%20%20%20%20%23%20=&gt;%20true%0A0%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%23%20=&gt;%20true%0Anil%20%20%20%20%20%20%20%20%20%20%20%20%20%23%20=&gt;%20false%0A&%2339;xyz&%2339;.empty?%20%20%20%20%23%20=&gt;%20false%0A&%2339;a&%2339;%20&gt;%205%20%20%20%20%20%20%20%20%20%23%20=&gt;%20error:%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%23%20comparison%20of%20String%20with%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%23%20Numeric%20failed%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EThe%20%3Cem%3Eif%20expression%3C/em%3E%20can%20take%20many%20forms.%20It%20can%20compare%20literal%20values%20(1%20&lt;%202),%0Avariables%20(a%20&lt;%201)%20and%20the%20return%20value%20of%20a%20method%20(&lsquo;xyz&rsquo;.empty?).%3C/p%3E%0A", "load_code": ""},
  "43": {"lang": "EN", "title": "And Now For the Startling Conclusion", "chapter": "N", "answer": "is%20not%20equal%20to%20100$", "ok": "That's%20better", "error": "This%20can't%20be%20right", "text": "%3Cp%3EDid%20you%20see%20the%202%20equal%20signs%20in%20%3Cstrong%3E&lsquo;abc&rsquo;%20==%20&lsquo;def&rsquo;%3C/strong%3E?%3C/p%3E%0A%0A%3Cp%3EThis%20%3Cstrong%3E==%3C/strong%3E%20means%20%3Cstrong%3Eis%20equal%20to%3C/strong%3E.%0AThe%20single%20equal%20sign%20that%20we%20have%20seen%20before%20means%20%3Cstrong%3Eassign%20a%20value%20to%20a%20variable%3C/strong%3E.%3C/p%3E%0A%0A%3Cp%3ETo%20make%20it%20more%20confusing:%20you%20can%20use%20the%20assignment%20after%20an%20if%20method%20like%20this:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Ea%20=%200%0A%0Aif%20a%20=%20100%0A%20%20puts%20&quot;Expression%20is%20true,%20but%20a%20is%20now:%20%23%7Ba%7D&quot;%0Aelse%0A%20%20puts%20&quot;%23%7Ba%7D%20is%20not%20equal%20to%20100&quot;%0Aend%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EChange%20the%20=%20into%20==%20and%20see%20what%20happens.%3C/p%3E%0A%0A%3Cp%3EI%20can%20guarantee%20you%20that%20you%20will%20forget%20typing%20the%20second%20equal%20sign%20regularly.%20I%20also%0Astill%20forget%20it%20sometimes.%3C/p%3E%0A%0A%3Ch3%3Eelse%3C/h3%3E%0A%0A%3Cp%3EIn%20the%20code%20above%20I%20have%20added%20an%20else%20expression.%20This%20part%20will%20be%20executed%20when%20the%0A%3Cstrong%3Eif%20test-expression%3C/strong%3E%20evaluates%20to%20false.%3C/p%3E%0A%0A%3Cblockquote%3E%0A%3Cp%3EThere%20are%20more%20variations%20to%20this%20if-then-else%20theme.%20You%20can%20read%20more%0A%3Ca%20href=%22http://www.ruby-doc.org/core/doc/syntax/control_expressions_rdoc.html%22%20target=%22_blank%22%3Ehere%3C/a%3E.%3C/p%3E%0A%3C/blockquote%3E%0A", "load_code": ""},
  "44": {"lang": "EN", "title": "Me hungry", "chapter": "N", "answer": "%5EMe%20not%20hungry.$", "ok": "Yes", "error": "No%20way%20am%20I%20hungry%20at%2010%20AM!", "text": "%3Cp%3EOkay,%20this%20is%20coming%20along%20wonderfully.%20This%20is%20simple%20stuff%20for%20you,%20but%20keep%20in%20mind%20that%20you%0Adidn&rsquo;t%20know%20%3Cstrong%3Eany%20Ruby%20whatsoever%3C/strong%3E%20just%20fifteen%20minutes%20ago!%3C/p%3E%0A%0A%3Cp%3ELast%20step.%20Let&rsquo;s%20tie%20it%20all%20together,%20you%20know?%20Let&rsquo;s%20make%20it%20chime%20together%20like%20a%20very%20nice%20set%0Aof%20glistening%20chimes%20on%20the%20beach%20in%20the%20maginificent%20sunlight!%3C/p%3E%0A%0A%3Cp%3EWe&rsquo;ll%20define%20two%20methods%20first%20and%20then%20take%20a%20decision:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Edef%20hungry?(time_of_day_in_hours)%0A%20%20puts%20&quot;Me%20hungry.&quot;%0A%20%20true%0Aend%0A%0Adef%20eat_an(what)%0A%20%20puts%20&quot;Me%20eat%20%23%7Bwhat%7D.%5Cn&quot;%0Aend%0A%0Aeat_an%20&%2339;apple&%2339;%20if%20hungry?(14)%0A%0Aeat_an%20&%2339;apple&%2339;%20if%20hungry?(10)%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3ENow%20see%20if%20you%20can%20change%20the%20method%20%3Cstrong%3Ehungry?%3C/strong%3E%20to%20display%20%3Cstrong%3E&ldquo;Me%20not%20hungry&rdquo;%3C/strong%3E%20and%20returning%20false%0Awhen%20the%20time%20is%20less%20than%2012.%3C/p%3E%0A", "load_code": ""},
  "45": {"lang": "EN", "title": "Summary #6 Which Means You've Come So Far", "chapter": "Y", "answer": "%5C%7B%5C%7D", "ok": "Ok,%20that's%20an%20empty%20hash", "error": "", "text": "%3Cp%3EYou&rsquo;re%20a%20level%20six%20Ruby%20cleric.%20I%20mean%20what%20a%20great%20job%20you&rsquo;ve%20done.%20Let&rsquo;s%20review:%3C/p%3E%0A%0A%3Ch3%3EData%3C/h3%3E%0A%0A%3Cp%3EYou%20loaded%20some%20data%20of%20the%20internet,%20traversed%20a%20data%20structure%20and%20selected%20values.%3C/p%3E%0A%0A%3Ch3%3EIterating%3C/h3%3E%0A%0A%3Cp%3EYou%20iterated%20all%20elements%20of%20a%20hash%20and%20you%20chained%20some%20more%20methods.%3C/p%3E%0A%0A%3Ch3%3EPretty%20printing%3C/h3%3E%0A%0A%3Cp%3EAnd%20if%20that%20wasn&rsquo;t%20enough,%20you%20formatted%20and%20printed%20some%20values%20in%20a%20way%20that%20is%20easy%0Ato%20read%20for%20humans.%20In%20fact%20%3Cstrong%3Eyou%20made%20a%20real%20program!%3C/strong%3E%3C/p%3E%0A%0A%3Ch3%3EIF%3C/h3%3E%0A%0A%3Cp%3EYou%20learned%20to%20take%20control%20of%20your%20programs%20with%20%3Cstrong%3Eif%3C/strong%3E%20and%20%3Cstrong%3Eelse%3C/strong%3E%20statements.%3C/p%3E%0A%0A%3Ch2%3ESo%3C/h2%3E%0A%0A%3Cp%3EWhat%20could%20possibly%20be%20next?%20What%20could%20you%20possibly%20have%20to%20learn%20now?%0AHa,%20this%20is%20the%20best%20part.%20You&rsquo;ve%20come%20such%20a%20long%20way%20that%20we&rsquo;re%20going%0Ato%20uncover%20classes.%20For%20two%20more%20short%20lessons%20and%20you&rsquo;re%20done.%3C/p%3E%0A%0A%3Cp%3EEarlier,%20we%20created%20a%20hash%20like%20this:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3EHash.new%0A%3C/code%3E%3C/pre%3E%0A", "load_code": ""},
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  "47": {"lang": "EN", "title": "The Stuff Apps are Made of", "chapter": "N", "answer": "", "ok": "", "error": "", "text": "%3Cp%3EYou&rsquo;ve%20opened%20up%20a%20new%20Blurb%3Csup%3ETM%3C/sup%3E%20class.%20What%20is%20your%20blog%20entry%20made%20of?%0AThe%20content,%20sure.%20Also,%20a%20time%20when%20the%20Blurb%3Csup%3ETM%3C/sup%3E%20was%20posted.%20And%20a%20mood.%3C/p%3E%0A%0A%3Cp%3EOkay,%20so%20you&rsquo;ve%20got%20the%20first%20line%20of%20the%20class,%20here&rsquo;s%20the%20rest:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eclass%20Blurb%0A%20%20attr_accessor%20:content,%20:time,%20:mood%0Aend%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EClass%20names%20always%20begin%20with%20a%20capital%20letter.%3C/p%3E%0A%0A%3Cp%3E(Still%20no%20output)%3C/p%3E%0A", "load_code": ""},
  "48": {"lang": "EN", "title": "Accessors Are the Dangling Limbs", "chapter": "N", "answer": "Blurb:", "ok": "My%20first%20Blurb", "error": "", "text": "%3Cp%3EHey,%20good%20class,%20man.%20You&rsquo;ve%20got%20a%20new%20Blurb%3Csup%3ETM%3C/sup%3E%20class.%3C/p%3E%0A%0A%3Cp%3EIn%20the%20class%20definition,%20you%20used%20a%20method%20called%20attr_accessor.%0AThere%20are%20many%20%3Cstrong%3Eattr%3C/strong%3Eibute%20methods%20like%20this%20which%20add%20little%20settings%20to%20classes.%0AThese%20attributes%20are%20just%20variables%20attached%20to%20a%20class.%3C/p%3E%0A%0A%3Cp%3EThink%20of%20it%20this%20way.%20A%20class%20is%20like%20a%20person.%20That%20star-shaped%20human%20thing%20out%20there.%0AAnd%20the%20attributes%20are%20the%20dangling%20limbs,%20the%20different%20parts%20that%20make%20up%20a%20body%20and%0Aother%20people%20can%20shake%20hands%20with.%3C/p%3E%0A%0A%3Ch3%3ENow%3C/h3%3E%0A%0A%3Cp%3ETo%20create%20a%20Blurb%3Csup%3ETM%3C/sup%3E%20and%20set%20the%20content:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eblurb1%20=%20Blurb.new%0Aputs%20blurb1%0Ablurb1.content%20=%20&quot;Today%20Mount%20Hood%20Was%20Stolen!&quot;%0A%3C/code%3E%3C/pre%3E%0A", "load_code": "class%20Blurb;attr_accessor%20:content,:time,:mood;end"},
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  "54": {"lang": "EN", "title": "What's that Blurb all about?", "chapter": "N", "answer": "Today", "ok": "Bring%20on%20the%20blurbs", "error": "", "text": "%3Cp%3EThere%20you%20are.%20Did%20you%20figure%20out%20what%20all%20that%20code%20in%20the%20Blurbalizer%3Csup%3ETM%3C/sup%3E%20class%20does?%3C/p%3E%0A%0A%3Cblockquote%3E%0A%3Cp%3EIn%20the%20Blurbalizer%3Csup%3ETM%3C/sup%3E%20class%20are%20two%20%3Cstrong%3Emethods%3C/strong%3E%20(add_a_blurb%20and%20show_timeline).%0AYou%20can%20use%20a%20method%20outside%20the%20class,%20just%20like%20we%20did%20with%20accessors.%3C/p%3E%0A%3C/blockquote%3E%0A%0A%3Cp%3ETime%20to%20start%20using%20Blurbalizer%3Csup%3ETM%3C/sup%3E.%20I&rsquo;ve%20already%20loaded%20some%20Blurbs%3Csup%3ETM%3C/sup%3E%20for%20you,%0Abut%20feel%20free%20to%20add%20your%20own.%3C/p%3E%0A%0A%3Cp%3EWe&rsquo;re%20no%20longer%20creating%20Blurbs%3Csup%3ETM%3C/sup%3E%20directly,%20but%20we%20use%20the%20add_a_blurb%20%3Cstrong%3Emethod%3C/strong%3E%20of%20the%0ABlurbalizer%3Csup%3ETM%3C/sup%3E%20class.%20This%20way%20we%20can%20be%20sure%20all%20our%20Blurbs%3Csup%3ETM%3C/sup%3E%20are%20stored%20in%20the%0Amyapp%20object.%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Emyapp.add_a_blurb%20:moody,%20&quot;Add%20Blurb%20here&quot;%0A%0Amyapp.show_timeline%0A%3C/code%3E%3C/pre%3E%0A", "load_code": "prev;class%20Blurbalizer;attr_reader%20:title;def%20initialize(title);@title=title;@blurbs=[];end;def%20add_a_blurb(mood,%20content);@blurbs%20%3C%3C%20Blurb.new(mood,%20content);@blurbs.each%20%7B%7Ct%7C%20t.time%20-=%2073%7D;end;def%20show_timeline;puts%20%22Blurbalizer:%20%23%7B@title%7D%20has%20%23%7B@blurbs.count%7D%20Blurbs%5Cn%22;@blurbs.sort_by%20%7B%20%7Ct%7C%20t.time%7D.reverse.each%20%7B%20%7Ct%7C%20puts%20%22%23%7Bt.content.ljust(40)%7D%20%23%7Bt.time%7D%22%7D;end;end;myapp%20=%20Blurbalizer.new%20%22The%20Big%20Blurb%22;myapp.add_a_blurb%20:sick,%22Today%20Mount%20Hood%20Was%20Stolen!%22;myapp.add_a_blurb%20:confused,%22I%20can%20not%20believe%20Mt.%20Hood%20was%20stolen!%22;myapp.add_a_blurb%20:dazed,%22I%20am%20speechless!%22;myapp.add_a_blurb%20:mad,%22It%20was%20stolen%20by%20a%20giraffe%20!!%22;myapp.add_a_blurb%20:sad,%22I%20Left%20my%20Hoodie%20on%20the%20Mountain!%22;myapp.add_a_blurb%20:mad,%22I%20am%20never%20going%20back%20to%20that%20mountain.%22"},
  "55": {"lang": "EN", "title": "It's All About Combining", "chapter": "N", "answer": ":-", "ok": "Moody!", "error": "", "text": "%3Cp%3ESome%20beautiful%20things%20can%20be%20done%20with%20the%20simple%20parts%20of%20Ruby,%20especially%20when%20you%20combine%20them%0Atogether%20into%20new%20things.%0AHere%20we&rsquo;ve%20got%20an%20app%20made%20of%20a%20class%20containing%20another%20class.%20And,%20actually,%20Ruby%20really%20does%20good%0Awith%20this%20kind%20of%20creature.%20It%20is%20called%20object%20oriented%20programming.%3C/p%3E%0A%0A%3Cp%3EWe%20have%20arrived%20at%20the%20%3Cstrong%3Elast%20programming%20excercise%3C/strong%3E%20of%20TryRuby.%20If%20you%20want,%20you%20can%20add%20some%0Amore%20features%20to%20Blurbalizer%3Csup%3ETM%3C/sup%3E.%3C/p%3E%0A%0A%3Cp%3EMaybe%20you%20want%20to%20print%20the%20mood%20as%20a%20smiley%20in%20the%20%3Cstrong%3Eshow_timeline%3C/strong%3E%20method.%20You%20could%20add%0Aa%20%3Cem%3Emoodify%3C/em%3E%20method%20to%20the%20Blurb%3Csup%3ETM%3C/sup%3E%20class%20and%20then%20use%20that%20method%20in%20the%20%3Cem%3Eshow_timeline%3C/em%3E%20method:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eclass%20Blurb%0A%20%20attr_accessor%20:content,%20:time,%20:mood%0A%0A%20%20def%20initialize(mood,%20content=&quot;&quot;)%0A%20%20%20%20@time%20%20%20%20=%20Time.now%0A%20%20%20%20@content%20=%20content[0..39]%0A%20%20%20%20@mood%20%20%20%20=%20mood%0A%20%20end%0A%0A%20%20def%20moodify%0A%20%20%20%20if%20%20%20%20@mood%20==%20:sad%0A%20%20%20%20%20%20return%20&quot;:-(&quot;%0A%20%20%20%20elsif%20@mood%20==%20:happy%0A%20%20%20%20%20%20return%20&quot;:-)&quot;%0A%20%20%20%20%23%20Add%20other%20moods%20here%0A%20%20%20%20end%0A%0A%20%20%20%20%23%20The%20default%20mood%0A%20%20%20%20&quot;:-%7C&quot;%0A%20%20end%0Aend%0A%0Aclass%20Blurbalizer%0A%20%20def%20initialize(title)%0A%20%20%20%20@title%20%20=%20title%0A%20%20%20%20@blurbs%20=%20[]%0A%20%20end%0A%0A%20%20def%20add_a_blurb(mood,%20content)%0A%20%20%20%20@blurbs%20&lt;&lt;%20Blurb.new(mood,%20content)%0A%20%20end%0A%0A%20%20def%20show_timeline%0A%20%20%20%20puts%20&quot;Blurbalizer:%20%23%7B@title%7D%20has%20%23%7B@blurbs.count%7D%20Blurbs&quot;%0A%0A%20%20%20%20@blurbs.sort_by%20%7B%20%7Ct%7C%0A%20%20%20%20%20%20t.time%0A%20%20%20%20%7D.reverse.each%20%7B%20%7Ct%7C%0A%20%20%20%20%20%20puts%20&quot;%23%7Bt.content.ljust(40)%7D%20%23%7Bt.time%7D&quot;%0A%20%20%20%20%7D%0A%20%20end%0Aend%0A%0Amyapp.show_timeline%0A%3C/code%3E%3C/pre%3E%0A", "load_code": "prev"},
  "56": {"lang": "EN", "title": "Summary #8, The Hey-Relax-You-Did-Good Summary", "chapter": "Y", "answer": "", "ok": "", "error": "", "text": "%3Cp%3EThis%20last%20section%20took%20a%20moment%20to%20wind%20down,%20to%20give%20you%20some%20pointers%20as%20to%20how%20you%20can%20use%20Ruby.%3C/p%3E%0A%0A%3Cp%3EIf%20you%20enjoyed%20yourself,%20you%20can%20continue%20with%20the%20%3Ca%20href=%22/TryRuby/playground%22%3ETryRuby%20Playground%3C/a%3E%0Aor%20download%20and%20install%20Ruby:%0A%3Ca%20href=%22https://www.ruby-lang.org/en/downloads/%22%20target=%22_blank%22%3Eruby-lang.org%3C/a%3E%3C/p%3E%0A%0A%3Cp%3EOnce%20you%20have%20Ruby%20installed,%20you%20can%20create%20a%20file,%20let%20say%20%3Cem%3Emy_first_progam.rb%3C/em%3E,%20with%20a%20text%0Aeditor,%20type%20some%20Ruby%20code%20and%20then%20run%20it%20by%20opening%20a%20command%20prompt%20and%20typing:%3C/p%3E%0A%0A%3Cpre%3E%3Ccode%3Eruby%20my_first_progam.rb%0A%3C/code%3E%3C/pre%3E%0A%0A%3Cp%3EThere%20are%20many%20(free)%20development%20tools%20available%20that%20combine%20an%20editor,%20file%20browser%20and%20a%0A&lsquo;ruby-runner&rsquo;.%3C/p%3E%0A%0A%3Ch2%3ECelebrate%3C/h2%3E%0A%0A%3Cp%3EYou%20really%20deserve%20a%20double-layer%20cake%20with%20double-double%20frosting%20and%20a%20guy%20playing%20one%20of%20those%20guitars%20that&rsquo;s%20a%20double%20guitar.%0AI%20mean%20you%20finished,%20you%20really%20did!%20No%20doubt%20about%20it,%20you&rsquo;re%20a%20%3Cstrong%3Ecertified%20red-blooded%20smartiac!%3C/strong%3E%3C/p%3E%0A%0A%3Ch2%3EMore%20info%3C/h2%3E%0A%0A%3Cp%3EThere%20are%20a%20couple%20of%20articles%20on%20this%20website.%20They%20can%20give%20you%20some%20pointers%20on%20where%20to%0Ago%20from%20here.%3C/p%3E%0A", "load_code": "def%20ruby(f);puts%20%22Go%20to%20www.ruby-lang.org%20to%20download%20Ruby%22;end;class%20K;attr_reader%20:rb;end;my_first_progam=K.new"}
}