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ruby16
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Kuniaki IGARASHI
September 28, 2013
Technology
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300
ruby16
Rails編 ガイダンス
2013.10.3
Kuniaki IGARASHI
September 28, 2013
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Transcript
3VCZPO3BJMTߨٛ ୈճΨΠμϯε ޒेཛྷ໌ UXJUUFSJHBJHB IUUQXXXGBDFCPPLDPNLVOJBLJJHBSBTIJ BUҰڮେֶ χϑςΟגࣜձࣾدෟߨٛ ࣾձՊֶʹ͓͚Δใٕज़ͱ ίϯςϯπ࡞*7
χϑςΟגࣜձࣾ ఏڙ
ޒेཛྷ໌ ߨࢣ גࣜձࣾTQJDFMJGF UXJUUFSJHBJHB IUUQTHJUIVCDPNJHBJHB IUUQXXXGBDFCPPLDPNLVOJBLJJHBSBTIJ
ᖛ࡚݈ޗ 5FBDIJOH"TTJTUBOU qVYqFY JOD ถࠃ๏ਓ UXJUUFSINTL IUUQTHJUIVCDPNINTL IUUQXXXGBDFCPPLDPNIBNBDIBOH
ࠓΔ͜ͱ ߨٛʹ͍ͭͯ ධՁํ๏ ਐΊํ ͜ͷߨٛΛड͚ΔͱͰ͖ΔΑ͏ʹͳΔ͜ͱ 3BJMT։ൃڥͷ࡞Γํ ΄͔ લʙɹޙʙ
ධՁํ๏ ԋश՝Λఏग़͍͖ͯͨͩ͠ධՁΛߦ͍·͢ɻ ·ͨɺतۀͷߩݙධՁͷରͱ͠·͢ɻ ग़੮͕तۀճͷͷʹຬͨͳ͍߹ʮ'ʯͱ͠ ·͢ɻ
ࡶஊɾ࣭༻GBDFCPPLάϧʔϓ ޙظͦͷ··͑·͢ɻࢥ͍ग़ͨ͠ͱ͖ʹࡶஊ࣭ͯ͠Βͬͯ0,ɻ अຐͳΑ͏ͳΒάϧʔϓ͔Βୀձ͍ͯͩ͘͠͞ɻ IUUQTXXXGBDFCPPLDPNHSPVQTIJUPUTVCBTIJSC ɾՃೖඇՃೖࣗ༝Ͱ͢ ɾՃೖඇՃೖʹؔ͠·ͤΜ ɾࢀՃऀҰཡެ։͞Ε·͢ ɾॻ͖ࠐΈࢀՃऀͷΈݟ͑·͢ ɾرऀΞΫηεͯ͠ࢀՃਃ͍ͯͩ͘͠͞ ɾࡶஊɺ࣭ɺٞͳͲԿͰؾʹͤͣͲ͏ͧʙ
ɾ࣭ʹ͑ΒΕΔਓ͍͑ͯ͋͛ͯͩ͘͞ ɾߨࢣਞ͓͑͠·͢ ɾೖͬͨΒܰࣗ͘ݾհ͓Ͷ͕͍͠·͢
ߨٛࢿྉஔ͖ աڈͷࢿྉ͕%-Ͱ͖·͢ɻ IUUQTHJUIVCDPNJHBJHBIJUPUTVCBTIJSVCZ
ࣗश༻3BJMTࢿྉ ಛʹڭՊॻ͍·ͤΜ͕ɺࣗश༻ʹҎԼͷࢿྉΛ͓קΊ͠·͢ɻ 3BJMT5VUPSJBM XFC IUUQSBJMTUVUPSJBMKQ WFSTJPO 3BJMT(VJEF XFC &OHMJTI
IUUQHVJEFTSVCZPOSBJMTPSH 3BJMTʹΑΔΞδϟΠϧ8FCΞϓϦέʔγϣϯ։ൃୈ൛ IUUQXXXBNB[PODPKQEQ վగ৽൛جૅ3VCZPO3BJMT IUUQXXXBNB[PODPKQEQ ͨͷ͍͠3VCZ IUUQXXXBNB[PODPKQEQ
3VCZPO3BJMTͱ 3VCZͰॻ͔Εͨ8FCΞϓϦϑϨʔϜϫʔΫ
$00,1"% 3BJMT
৯ϩά 3BJMT
0INZ(MBTTFT 3BJMT
UNJY 3BJMT
͋ͱͰ 3BJMT
UXJUUFSݩ3BJMT
3VCZͷجૅ͕ʹ͖ͭɺ؆୯ͳϓϩάϥϜΛॻ͚Δ ɹXJLJQFEJBΞΫηεղੳ࣮श 3VCZPO3BJMTͷجૅ͕ʹ͖ͭɺ؆୯ͳΞϓϦΛ࡞ΕΔ 3VCZʹؔ͢Δෆ໌͕͋ͬͨͱ͖ʹௐΒΕΔ ͜ͷߨٛΛड͚Δͱ ͜Ε͕Ͱ͖ΔΑ͏ʹͳΔ ༧ఆ
3VCZͷجૅ͕ʹ͖ͭɺ؆୯ͳϓϩάϥϜΛॻ͚Δ ɹXJLJQFEJBΞΫηεղੳ࣮श 3VCZPO3BJMTͷجૅ͕ʹ͖ͭɺ؆୯ͳΞϓϦΛ࡞ΕΔ 3VCZʹؔ͢Δෆ໌͕͋ͬͨͱ͖ʹௐΒΕΔ ͜ͷߨٛΛड͚ͨΒ ͜Ε͕Ͱ͖ΔΑ͏ͳͬͨ Նֶظ
3VCZͷجૅ͕ʹ͖ͭɺ؆୯ͳϓϩάϥϜΛॻ͚Δ ɹXJLJQFEJBΞΫηεղੳ࣮श 3VCZPO3BJMTͷجૅ͕ʹ͖ͭɺ؆୯ͳΞϓϦΛ࡞ΕΔ 3VCZʹؔ͢Δෆ໌͕͋ͬͨͱ͖ʹௐΒΕΔ ͜ͷߨٛΛड͚ͨΒ ͜Ε͕Ͱ͖ΔΑ͏ͳΔ ౙֶظ
͜Μͳ͜ͱΛΔ༧ఆͰ͢ 3BJMTͷجૅ ࣸਅΞοϓϩʔυΞϓϦ࡞Γ ࣗ࡞ΞϓϦͷωοτެ։ ࣗ༝՝ΞϓϦ੍࡞ԋश ΄͔ߟ͑த
ɾUXJUUFSσʔλΛղੳͯ͠ͲͷӺ͕ʹ͗Θ͍ͬͯΔ͔ΛௐΔ ɾਓͰϓϨΠͰ͖ΔγϡʔςΟϯάήʔϜͷ࡞ ɾ&YDFMͱΈ߹Θͤͨμʔπಘܭࢉ ɾFMFSOJOH8FCΞϓϦ ɾ࠲͍8FCΞϓϦ ɾ5XJUUFSൃݴͷղੳ ɾͷग़ɺͷೖͷ࣌ࠁΛJ1IPOF1VTI௨ ࣗ༝՝ΞϓϦ੍࡞ԋश ࡢͷൃදྫ
IUUQXXXqJDLSDPNQIPUPTVTGCQT ࡞ͬͨͷཤྺॻʹॻ͚·͢ɻ γεςϜؔ࿈ͷ৬Λड͚Δਓ͚
Նֶظͷ༰Λཧղ͍ͯ͠Δ͜ͱΛલ ఏʹͯ͠ਐΊ·͢ͷͰɺՆֶظΛडߨ ͍ͯ͠ͳ͍߹͍͠ͱࢥ͍·͢ɻ डߨ͞ΕΔ߹ɺߨٛࢿྉஔ͖ϖ ʔδΛಡΜͰલظΛࣗश͓͍ͯͯ͠ ͍ͩ͘͞ɻ डߨ݅ IUUQTHJUIVCDPNJHBJHBIJUPUTVCBTIJSVCZ
ҎԼͷڥߏஙΛࡁ·͓͍͍ͤͯͯͩ͘͞ɻ ڥߏங 8JOEPXT .BD 3BJMT*OTUBMMFS·ͨ7.6CVOUV ͲͪΒΛ͔ͬͯ·Θͳ͍Ͱ͢ɻ ՆֶظͰڥߏஙͨ͠ํͦͷڥʹগ͠ίϚϯυΛଧͭ͜ ͱͰڥߏஙͰ͖·͢ɻ ʢৄ͘͠ޙड़ͷʮڥߏஙࢿྉʯࢀরʣ HFNVQEBUFSBJMTOPSJOPSEPD
SBJMTW ֬ೝ 3BJMTYͱग़Ε0, ࢿྉ࡞࣌࠷৽
ҎԼͷόʔδϣϯΛఆ͍ͯ͠·͕͢ɺߨٛ ظؒதʹόʔδϣϯΞοϓ͢ΔͷͰ৽͍͠ ͷʹมߋʹͳΔ͔͠Ε·ͤΜɻ 3VCZPO3BJMT։ൃڥ 3VCZQPSQ 3VCZPO3BJMT ݄ݱࡏͷ࠷৽
3VCZ 3BJMTڥߏங ͷࢿྉΛݟͯڥߏஙΛ͍ͯͩ͘͠͞ɻ ˞͏·͘Ͱ͖ͳ͍߹ߨٛதʹϑΥϩʔ͠· ͢ͷͰ૬ஊ͍ͯͩ͘͠͞ɻ IUUQTTQFBLFSEFDLDPNJHBJHBCVJMEJOHSVCZEFWFOW ڥߏஙࢿྉ
એ
ॻ͍ͨຊ͕ ग़൛͞Ε·ͨ͠
·ͭͱΏ͖ͻΖ͞Μ͝ਪન
ఆՁ ԁ ԁ ߪೖ͝رͷํޒेཛྷ·Ͱ͝࿈བྷ͍ͩ͘͞ɻ ༧੍
5"ᖛ࡚ ࣥචهࣄ
ٳߨ࿈བྷ ݄ ͷߨٛ ٳߨͰ͢ɻ
2VFTUJPO
None
ࢀߟࢿྉ
BCD ࣮ߦ݁Ռ QVUTBCD ॻࣜ 3VCZίʔυ ࣮ߦ݁Ռ TIFMMίϚϯυ MT Q
จதͰͰॻ͖·͢
ࣗश༻3BJMTࢿྉ ಛʹڭՊॻ͍·ͤΜ͕ɺࣗश༻ʹҎԼͷࢿྉΛ͓קΊ͠·͢ɻ 3BJMT5VUPSJBM XFC IUUQSBJMTUVUPSJBMKQ WFSTJPO 3BJMT(VJEF XFC &OHMJTI
IUUQHVJEFTSVCZPOSBJMTPSH 3BJMTʹΑΔΞδϟΠϧ8FCΞϓϦέʔγϣϯ։ൃୈ൛ IUUQXXXBNB[PODPKQEQ վగ৽൛جૅ3VCZPO3BJMT IUUQXXXBNB[PODPKQEQ ͨͷ͍͠3VCZ IUUQXXXBNB[PODPKQEQ
ߨٛࢿྉஔ͖ աڈͷࢿྉ͕%-Ͱ͖·͢ɻ IUUQTHJUIVCDPNJHBJHBIJUPUTVCBTIJSVCZ
ࡶஊɾ࣭༻GBDFCPPLάϧʔϓ IUUQTXXXGBDFCPPLDPNHSPVQTIJUPUTVCBTIJSC ɾՃೖඇՃೖࣗ༝Ͱ͢ ɾՃೖඇՃೖʹؔ͠·ͤΜ ɾࢀՃऀҰཡެ։͞Ε·͢ ɾࢀՃऀελοϑ ߨࢣɾ5" ͱࡢɺࠓͷडߨऀͰ͢ ɾॻ͖ࠐΈࢀՃऀͷΈݟ͑·͢ ɾرऀΞΫηεͯ͠ࢀՃਃ͍ͯͩ͘͠͞
ɾࡶஊɺ࣭ɺٞͳͲԿͰؾʹͤͣͲ͏ͧʙ ɾ࣭ʹ͑ΒΕΔਓ͍͑ͯ͋͛ͯͩ͘͞ ɾߨࢣਞ͓͑͠·͢ ɾೖͬͨΒܰࣗ͘ݾհ͓Ͷ͕͍͠·͢