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["1","2","3"].index(1)
index¥á¥½¥Ã¥É¤Ï¡¢Array¥¯¥é¥¹¤Î¥¤¥ó¥¹¥¿¥ó¥¹¤ËľÀÜÆ¯¤¤«¤±¤Æ¤¤¤Þ¤¹¡£
¤Ä¤Þ¤ê¡¢¥¤¥ó¥¹¥¿¥ó¥¹¥á¥½¥Ã¥É¤Ç¤¹¡£
¤Þ¤¿¡¢¥á¥½¥Ã¥É¤¬Æ¯¤¤«¤±¤ëÀè¤ò¥ì¥·¡¼¥Ð¤È¤¤¤¤¤Þ¤·¤Æ¡¢¥¤¥ó¥¹¥¿¥ó¥¹¥á¥½¥Ã¥É¤Ï¥¤¥ó¥¹¥¿¥ó¥¹¤¬¥ì¥·¡¼¥Ð¤Ë¤Ê¤ê¤Þ¤¹¡£
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2009-10-28
Ruby¤Î¤ªÊÙ¶¯Vol.4(ÇÛÎóArray¤È¥Ï¥Ã¥·¥åHash)
Ruby | |
¡ùÇÛÎó
ÇÛÎó(Array)¤È¤Ï¡¢Ê£¿ô¤Î¥ª¥Ö¥¸¥§¥¯¥È¤ò³ÊǼ¤¹¤ëÈ¢¤Ç¤¹¡£
baseball_club1= "µð¿Í"
baseball_club2= "ÃæÆü"
baseball_club3= "¥ä¥¯¥ë¥È"
baseball_club4= "ºå¿À"
baseball_club5= "¹Åç"
¤Ï¡¢ÌµÂÌ¡ª
¤Ê¤Î¤Ç¡¢¤Þ¤È¤á¤Þ¤¹¡£
ÇÛÎó¤Ë¤Ï¡¢0¤«¤é»Ï¤Þ¤ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬ÉÕ¤¤¤Æ¤¤¤Þ¤¹¡£
¥¤¥ó¥Ç¥Ã¥¯¥¹¤È¤Ï¡¢Ä̤·ÈÖ¹æ¤Î¤³¤È¤Ç¤¹¡£
¤Ä¤Þ¤ê¡¢baseball_clubs[1]¤ÏÃæÆü¤È¤¤¤¦¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£
¤Þ¤¿¡¢ÀßÄꤷ¤¿¸å¤ÇÄɲ乤뤳¤È¤¬¤Ç¤¤Þ¤¹¡£
¸å¤Ç¤ÎÄɲäϡ¢¸å¤í¤Ø¤ÎÄɲäȤʤê¤Þ¤¹¡£
¤½¤³¤Ç¡¢£±¥Á¡¼¥àÈ´¤±¤Æ¤¤¤ë¤Î¤ÇÄɲä·¤Þ¤·¤ç¤¦¡£
baseball_clubs[5] = "²£ÉÍ"
¤³¤³¤Ç¡¢°ìÅÙÇÛÎó¤ÎÃæ¿È¤ò³Îǧ¤·¤Þ¤¹¡£
p "baseball_clubs[]¤ÎÃæ¿È¤Ï¡¢" + baseball_clubs
¢Í
baseball_clubs[]¤ÎÃæ¿È¤Ï¡¢["µð¿Í","ÃæÆü","¥ä¥¯¥ë¥È","ºå¿À","¹Åç","²£ÉÍ"]
¤È¤Ê¤ê¤Þ¤¹¡£
¡ù¥Ï¥Ã¥·¥å
¥Ï¥Ã¥·¥å(Hash)¤È¤Ï¡¢Ê£¿ô¤Î¥ª¥Ö¥¸¥§¥¯¥È¤ò³ÊǼ¤¹¤ëÈ¢¤Ç¤¹¡£
¤¿¤À¤·ÇÛÎó¤È»÷¤ÆÈó¤Ê¤ë¤â¤Î¤Ç¤¹¡£
¤Ã¤Æ¶ñÂÎŪ¤Ë¤Ê¤Ë¤¬°ã¤¦¤Î¤«¤È¤¤¤¦¤È¡¢
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Hash = {"clubName" => "µð¿Í", "ranking" => "£±°Ì", "field_manager" => "¸¶"}
Hash.each{|classification,content|
print classification,":",content,"\n"
}
¢Í
field_manager:¸¶
ranking:£±°Ì
clubName:µð¿Í
¥Ï¥Ã¥·¥å¤Ï¡¢¤«¤Ä¤ÆÏ¢ÁÛÇÛÎó¤È¸Æ¤Ð¤ì¤Æ¤¤¤Þ¤·¤¿¡£
Hash = {key => Value}
¤Ä¤Þ¤ê¡¢ÃÍ(Value)¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤ÎÂå¤ï¤ê¤Ë¡¢key¤¬ÉÕ¤¤¤Æ¤ª¤ê¡¢key¤«¤éValue¤¬Ï¢ÁÛ¤µ¤ì¤ë¤È¤¤¤¦¤ï¤±¤Ç¤¹¡£
¤Á¤Ê¤ß¤Ë¡¢Hash¤Ë¤ª¤¤¤Æ¡¢Key¤äValue¤Î¤ß¤ò¼è¤ê½Ð¤¹¥á¥½¥Ã¥É¤¬¤´¤¶¤¤¤Þ¤¹¡£
¡ýKey¤ò¤Þ¤È¤á¤Æ¤½¤Î¤Þ¤Þ¼è¤ê½Ð¤¹¾ì¹ç
Hash.keys
¡ýValue¤ò¤Þ¤È¤á¤Æ¤½¤Î¤Þ¤Þ¼è¤ê½Ð¤¹¾ì¹ç
Hash.values
¤½¤Î¤Þ¤Þ¤Ç¤¹¤Í¡£
¤Þ¤¢°Õ³°¤È»È¤¦¥á¥½¥Ã¥É¤Ç¤¹¤Î¤Ç¡¢³Ð¤¨¤Æ¤ª¤¤¤ÆÂ»¤Ï¤Ê¤¤¤È»×¤¤¤Þ¤¹¡£
¤ªÆÉ¤ß夤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤¹¡£
kiyo560808
¸¦½¤¤ªÈè¤ìÍͤǤ·¤¿¡£¥Ö¥í¥°·ë¹½½ñ¤«¤ì¤Æ¤¤¤Æ¶Ã¤¤Þ¤·¤¿¡£¤µ¤¹¤¬¤Ç¤¹¡£
¤´Äó°Æ¤Ê¤ó¤Ç¤¹¤¬¡¢¥¿¥¤¥È¥ë¤ËÆâÍÆ¤¬¤ï¤«¤ëñ¸ì¤ò´Þ¤á¤¿Êý¤¬¸å¡¹Ìò¤ËΩ¤Á¤Þ¤¹¤è¡£
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º£²ó¤Ç¸À¤¨¤Ð¡¢ÇÛÎó¤È¥Ï¥Ã¥·¥å¤Ç¤¹¤Í¡£
nhkmckk
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³Î¤«¤Ë¤½¤¦¤Ç¤¹¤Í¡£
¹¹¿·¤·¤Æ¤ß¤Þ¤¹¡£
¤´»ØÅ¦¤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤¹¡ª
2009-10-27
Ruby¤Î¤ªÊÙ¶¯Vol.3(¾ò·ïȽÃÇ if¤È¡¢·«¤êÊÖ¤· while¤Ètimes¡¢¥á¥½¥Ã¥É¤ÎºîÀ®)
Ruby | |
¡ù¾ò·ïȽÃÇ if¡Áthen¡Áend
¤¢¤ë°ìÄê¤Î¾ò·ï¤Î¸µ¤Ë¥×¥í¥°¥é¥à¤ò¼Â¹Ô¤·¤¿¤¤¤È¤¤Ë»ÈÍѤ¹¤ë¡£
µ½ÒÊýË¡
if ¾ò·ï then
¼Â¹Ô¤¹¤ë¥×¥í¥°¥é¥à(true)
else
¼Â¹Ô¤¹¤ë¥×¥í¥°¥é¥à(false)
end
else¤È¤Ï¡¢¾åµ¤Î¾ò·ï¤ËÅö¤Æ¤Ï¤Þ¤é¤Ê¤«¤Ã¤¿¾ì¹ç¤È¤¤¤¦¤³¤È¡£
¾ò·ï¤ËÅö¤Æ¤Ï¤Þ¤ë(true)¤È¤¼Â¹Ô¤¹¤ë¥×¥í¥°¥é¥à(true)¤ò¼Â¹Ô¤·¡¢Åö¤Æ¤Ï¤Þ¤é¤Ê¤¤(false)¤È¤¼Â¹Ô¤¹¤ë¥×¥í¥°¥é¥à(false)¤ò¼Â¹Ô¤·¤Þ¤¹¡£
volume = 6000
if volume == 6000 then
print "Àµ²ò¡ª"
else
print "¤ä¤êľ¤·"
end
¢Í
Àµ²ò¡ª
=¤ÏÂåÆþ¤Î»þ¤Ë»ÈÍѤ¹¤ë¤¿¤á¡¢¿ôÃÍÈæ³Ó¤äʸ»úÎóÈæ³Ó¤Ç¤Ï¡¢==¤Èɽµ¤¹¤ë¡£
¡ù·«¤êÊÖ¤· while¤Ètimes
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1.while
·«¤êÊÖ¤·¤ò¹Ô¤¦´ðËÜŪ¤Ê¹½Ê¸¤Ç¤¹¡£
µ½ÒÊýË¡
while ¾ò·ï do
·«¤êÊÖ¤¹¥×¥í¥°¥é¥à
end
¤Á¤Ê¤ß¤Ë¡¢do¤Ï¾Êά²Ä¤Ç¤¹¡£
Îã
i = 1
while i <= 10
print (i,"\n")
i = i+1
end
¢Í
1
2
Ž¥
Ž¥
Ž¥
10
i¤òµ½Ò¤·¡¢¼¡¤Ëi¤Ë1¤ò¤·¤¿ÃͤòÂåÆþ¤·¤Þ¤¹¡£
¤½¤Î·«¤êÊÖ¤·¤Ç¤¹¡£
2.times
²ó¿ô»ØÄê¤Ç·«¤êÊÖ¤·¤¿¤¤¤È¤¤Ë»ÈÍѤ¤¤¿¤·¤Þ¤¹¡£
µ½ÒÊýË¡
·«¤êÊÖ¤¹²ó¿ô.times{
·«¤êÊÖ¤¹¥×¥í¥°¥é¥à
}
¤Þ¤¿¤Ï¡¢
·«¤êÊÖ¤¹²ó¿ô.times do
·«¤êÊÖ¤¹¥×¥í¥°¥é¥à
end
¾å¤Çwhile¥á¥½¥Ã¥É¤òÍøÍѤ·¤Æ¹Ô¤Ã¤¿½èÍý¤òtimes¥á¥½¥Ã¥É¤Ç¹Ô¤Ã¤Æ¤ß¤Þ¤¹¡£
i = 1
10.times{
print (i,"\n")
i = i+1
}
¡ù¥á¥½¥Ã¥É¤ÎºîÀ®
Ruby¤Ç¤Ï¡¢¼«Ê¬¤Ç¥á¥½¥Ã¥É¤òºîÀ®¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£
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¥á¥½¥Ã¥ÉºîÀ®¤Îµ½ÒÊýË¡
def ¥á¥½¥Ã¥É̾(°ú¿ô1,°ú¿ô2,ޥޥޥ)(¼«Ê¬¤Ç·è¤á¤Æ¤è¤¤)
¥á¥½¥Ã¥É¤Î½èÍý
end
Îã
def Greetings(name)
print "¤¤¤Ä¤âÂçÊѤªÀ¤ÏäˤʤäƤª¤ê¤Þ¤¹¡£\n"
print "»ä¡¢",name",¤È¿½¤·¤Þ¤¹¡£\n"
print "º£¸å¤È¤â¤è¤í¤·¤¯¤ª´ê¤¤¤¤¤¿¤·¤Þ¤¹¡£\n"
print "\n"
end
¥á¥½¥Ã¥É¤òºîÀ®¤¹¤ë¾ì½ê¤Ï¡¢£²Ä̤ꤢ¤ê¤Þ¤¹¡£
1.¥×¥í¥°¥é¥àÆâ
2.³°Éô¥Õ¥¡¥¤¥ë
¤³¤Î¾ì¹ç¡¢ºîÀ®¤·¤¿¥á¥½¥Ã¥É¤òÍøÍѤ·¤¿¤¤¥×¥í¥°¥é¥à¥Õ¥¡¥¤¥ë¤ÈƱ¤¸¥Õ¥©¥ë¥À¡Ê¥Ç¥£¥ì¥¯¥È¥ê¡Ë¤Ë¥Õ¥¡¥¤¥ë¤òºîÀ®¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
¤Þ¤¿¡¢¤³¤¦¤¤¤Ã¤¿¤Û¤«¤Î¥×¥í¥°¥é¥à¤Ç»ÈÍѤ¹¤ë¤¿¤á¤Î¥é¥¤¥Ö¥é¥ê¤È¸Æ¤Ó¤Þ¤¹¡£
¡ùºîÀ®¤·¤¿¥Õ¥¡¥¤¥ë¤Î»ÈÍÑÊýË¡
¥á¥½¥Ã¥É¤òºîÀ®¤·¤¿¤Ë¤ÏÎɤ¤¤¬¡¢ÍøÍѤǤ¤Ê¤¤¤È°ÕÌ£¤Ê¤¤¤Ç¤¹¤è¤Í¡£
¤½¤³¤Ç¡¢ºîÀ®¥á¥½¥Ã¥É¤Î»ÈÍÑÊýË¡¤ÎÅоì¤Ç¤¹¡£
1.¥×¥í¥°¥é¥àÆâ¤ËºîÀ®¤·¤¿¾ì¹ç
µ½ÒÊýË¡
Greetings("ÎëÌÚ")
Greetings("º´Æ£")
Greetings("ÅÄÃæ")
Greetings("¹â¶¶")
°Ê¾å¤Ç¤¹¡£
¼Â¤Ë´Êñ¡£
¤Á¤Ê¤ß¤Ë°ú¿ô¤Ï¡¢def¤Ç»ØÄꤷ¤¿¤È¤¤Î½çÈ֤Ǥ¹¡£
2.¥é¥¤¥Ö¥é¥ê¤Î¾ì¹ç
µ½ÒÊýË¡
require"Greetings.rb"
Greetings("ÎëÌÚ")
Greetings("º´Æ£")
Greetings("ÅÄÃæ")
Greetings("¹â¶¶")
require¤Î¤¢¤È¤Î""¤ÎÃæ¤Ë¡¢¥é¥¤¥Ö¥é¥ê¤Î¥Õ¥¡¥¤¥ë̾¤òµ½Ò¤·¤Þ¤¹¡£
¤³¤ÎºÝ.rb¤Ï¾Êά²Äǽ¤Ç¤¹¡£
1¡¢2¶¦¤Ë·ë²Ì¤Ï
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»ä¡¢ÎëÌڤȿ½¤·¤Þ¤¹¡£
º£¸å¤È¤â¤è¤í¤·¤¯¤ª´ê¤¤¤¤¤¿¤·¤Þ¤¹¡£
¤¤¤Ä¤âÂçÊѤªÀ¤ÏäˤʤäƤª¤ê¤Þ¤¹¡£
»ä¡¢º´Æ£¤È¿½¤·¤Þ¤¹¡£
º£¸å¤È¤â¤è¤í¤·¤¯¤ª´ê¤¤¤¤¤¿¤·¤Þ¤¹¡£
¤¤¤Ä¤âÂçÊѤªÀ¤ÏäˤʤäƤª¤ê¤Þ¤¹¡£
»ä¡¢ÅÄÃæ¤È¿½¤·¤Þ¤¹¡£
º£¸å¤È¤â¤è¤í¤·¤¯¤ª´ê¤¤¤¤¤¿¤·¤Þ¤¹¡£
¤¤¤Ä¤âÂçÊѤªÀ¤ÏäˤʤäƤª¤ê¤Þ¤¹¡£
»ä¡¢¹â¶¶¤È¿½¤·¤Þ¤¹¡£
º£¸å¤È¤â¤è¤í¤·¤¯¤ª´ê¤¤¤¤¤¿¤·¤Þ¤¹¡£
¤Ç¤¹¡£
¤ªÆÉ¤ß夤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤·¤¿¡£
2009-10-26
Ruby¤Î¤ªÊÙ¶¯Vol.2(±é»»¤ÈÊÑ¿ô)
Ruby | |
¡ùRuby¤Ë¤è¤ë±é»»
1.+
+¤Ï¤½¤Î¤Þ¤Þ¤·»»¤Î¤³¤È
print("1+1=",1+1,"\n")
¢Í
1+1=2
¤Ä¤Þ¤ê¡¢"1+1="¤òʸ»úÎó¤È¤·¤ÆÇ§¼±¤·¡¢1+1¤ò±é»»¤·¡¢2¤È¤¤¤¦¥¢¥¦¥È¥×¥Ã¥È¤ò½Ð¤·¤¿¡£
2.-
-¤â¤½¤Î¤Þ¤Þ°ú¤»»¤Î¤³¤È¡£
print("1-1=",1-1,"\n")
¢Í
1-1=0
Ruby¤Ç¡¢À°¿ô(Ex. 1,2,ޥޥޥetc.)¤òFixnum¥ª¥Ö¥¸¥§¥¯¥È¤È¸Æ¤Ö¡£
3.*
*¤Ï³Ý¤±»»¤Î¤³¤È
print("5.5*6=",5.5*6,"\n")
¢Í
5.5*6=33
Ruby¤Ç¡¢¾®¿ô(Ex. 5.5,3.141592,1.618,ޥޥޥetc.)¤òFloat¥ª¥Ö¥¸¥§¥¯¥È¤È¸Æ¤Ö¡£
4./
/¤Ï³ä¤ê»»¤Î¤³¤È
include Math
print("sin(3.141592)/cos(3.141592)=",sin(3.141592)/cos(3.141592),"\n")
¢Í
sin(3.141592)/cos(3.141592)=-6.53589793076378e-007
sin¡¢cos¤äsprt(Ê¿Êýº¬)Åù¤ò»ÈÍѤ¹¤ë¾ì¹ç¡¢¥×¥í¥°¥é¥à¤ÎƬ¤Ë¡¢include Math¤Èµ½Ò¤¹¤ë¡£
¢¨ÊäÂ
-6.53589793076378e-007¤Ï¡¢-6.53589793076378*10^-7¤òɽ¤¹¡£
¡ùÊÑ¿ô
ÊÑ¿ô¤È¤Ï¡¢¥ª¥Ö¥¸¥§¥¯¥È¤Ë̾Á°¤ò¤Ä¤±¤¿¤è¤¦¤Ê¤â¤Î¡£
ÊÑ¿ô̾ = ¥ª¥Ö¥¸¥§¥¯¥È¤Èµ½Ò¤¹¤ë¡£
ÊÑ¿ô¤ò»ÈÍѤ·¤¿¥×¥í¥°¥é¥à¤ò½ñ¤¤¤Æ¤ß¤ë¡£
X=10
Y=20
Z=30
area=X*Y
volume=X*Y*Z
print"½Ä10¡¢²£20¡¢¹â¤µ30¤ÎľÊýÂΤ¬¤¢¤ë¡£\n"
print"¤³¤ÎľÊýÂΤÎÄìÌÌÀѤÈÂÎÀѤòµá¤á¤è¡£\n"
print"Åú¤¨\n"
print"ÄìÌÌÀѤϡ¢",area,"¤Ç¤¹¡£\n"
print"ÂÎÀѤϡ¢",volume,"¤Ç¤¹¡£\n"
¢Í
½Ä10¡¢²£20¡¢¹â¤µ30¤ÎľÊýÂΤ¬¤¢¤ë¡£
¤³¤ÎľÊýÂΤÎÄìÌÌÀѤÈÂÎÀѤòµá¤á¤è¡£
Åú¤¨
ÄìÌÌÀѤϡ¢200¤Ç¤¹¡£
ÂÎÀѤϡ¢6000¤Ç¤¹¡£
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¤ªÆÉ¤ß夤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤·¤¿¡£
»ä¤¬ºÇ½éRuby¤òÊÙ¶¯¤·¤¿¤È¤¤Ï¡¢¤³¤ÎÊÕ¥µ¥Ã¥Ñ¥ê¤Ç¤·¤¿¡Ê¾Ð¡Ë
¥³¥á¥ó¥È¤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤¹¡£
ǧ¼±¤¬´Ö°ã¤Ã¤Æ¤¤¤Ê¤«¤Ã¤¿¤è¤¦¤Ç¤Û¤Ã¤È¤·¤Þ¤·¤¿¡£