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The three great virtues are important
Koichi ITO
November 19, 2021
Programming
13
2.4k
The three great virtues are important
銀座Rails #39 招待講演
https://ginza-rails.connpass.com/event/229348/
Koichi ITO
November 19, 2021
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Transcript
,PJDIJ*50&4. *OD ۜ࠲3BJMT 'SJ ʮಈ͍ͨʂʯͷઌ౿Έग़͢ɺ γεςϜͷϝϯςφϏϦςΟ্ͷ جૅٕज़ The three
great virtues are important
@koic w044ϓϩάϥϚʔ w3VCP$PQίΞνʔϜ wגࣜձࣾӬγεςϜϚωδϝϯτ &4. JOD ΤϯδχΞϦϯάϚωʔδϟʔ σΟεςΟϯάΠογϡυΤϯδχΞ w3BJMTͰͷؔ৺ࣄ&4.JNQPSUNBQͱͦͷಈ͖
͞Μ͔ΒͷΦϑΝʔ IUUQTUXJUUFSDPNNPSJNPSJIPHFTUBUVT
w ޮ࠶ར༻ੑ͕ؾʹͳΔΑ͏ʹͳͬͨʁ w ॲཧޮ%FW9͕ؾʹֻ͔͍ͬͯΔʁ w ίʔυγεςϜͷΫΦϦςΟʹ͍ͭͯͷ ࣗෛ͕ߴ·͖͍ͬͯͯΔʁ ܦͬͨΒͲΜͳঢ়ଶ🤔
w ʮଵଦؾၗຫʯͷࡾେඒಙΛ֫ಘͭ͠ ͭ͋Δͱ͍͏Ծઆ w ϓϩάϥϚʔͱͯ͠ݱ࣮ੈքͷҰһ w Α͏ͦ͜ ͓ΊͰͱ͏͍͟͝·͢ʂ ࡾେඒಙͷಓ ରΊ
ࢲͨͪϓϩάϥϚʔͷҒେͳࡾͭͷඒಙͰ͋Δ ଵଦɺؾɺၗຫΛʹ͚ͭΔ͜ͱΛਪ͢Δ
w *UFSBUJWF w *ODSFNFOUBM w %FWFMPQNFOU ܦͯԿճճ͍ͯ͠Δʁ IUUQTKBXJLJQFEJBPSHXJLJ෮ܕ։ൃ
ࠓճ։࠵Λܴ͑Δۜ࠲3BJMTʹ͚ͨʮΤϯδχΞ ೖ͔Β౿Έग़ͨ͠ઌʯ͕ςʔϚͰ͢ɻޭ͍ͯ͠Δ αʔϏε΄ͲणͰ͋ΓɺංେԽ͢ΔίʔυϕʔεΖ Ζͷඋ͕͑ॏཁʹͳΓ·͢ɻͦͯ͠ϓϩμΫτͷϝ ϯςφϏϦςΟ্ͱɺΤϯδχΞͱͯ͠ಇ͘Α͏ʹ ͳ͔ͬͯΒͷϨϕϧΞοϓंͷ྆ྠͰ͢ɻຊߨԋͰ ೖͷઌͱͳΔɺγεςϜϝϯςφϏϦςΟ্ͷ ͓͖͑ͯ͘εΩϧɺߟ͑ํʹ͍͓ͭͯ͠·͢ɻ ຊͷ֓ཁ
۪ऀܦݧʹֶͼɺ ݡऀྺ࢙ʹֶͿ IUUQTUXJUUFSDPNNPSJNPSJIPHFTUBUVT
म͟͞ΕɺݱΕͣ ืूத ຊฤͷ༰Λ࣮ફͰʹ͚͍ͭͨͳΒ lத్৽ଔ࠾༻zlϏδωεύʔτφʔz !LPJD·Ͱ͓ؾܰʹ
None
w ͓ۚ Ϗδωε ͷΕ͕αʔϏεͷΕ w णαʔϏεʹͳΕͳΔ΄ͲίʔυϕʔεංେԽ ͢Δݱ࣮ w ߦҎ্ͷίʔυʹόά͕͋Δ🤔 w
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໊͚Λ౷Ұ͢Δ
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w ·ͨใ๛͔ͳΧϥϑϧͳ໊લΛݕ౼͢Δ جຊུ͞ͳ͍ํ͕ใམͪ͠ͳ͍
໊લॏཁ IUUQTNBHB[JOFSVCZJTUOFUBSUJDMFT)PUMJOLTIUNM
ྺ࢙
13Πγϡʔॏཁͳใࢿݯ
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w ॻ͖खΑΓಡΈखͷํ͕ଟ͍ͷͰಡΈखୈҰ w ຊจʹαϚϦΛॻ͖ɺ ಛʹ֎෦ͷ 63- ৄࡉࢀরͱ͍͏͍ํ͕͓͢͢Ί w 63-ύʔϚϦϯΫͩͱݴΘΕ͍ͯͨͳʁ͋ Εӕͩ
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13ͷEFTDʹςΩετ͞Ε͍ͯΕྑ͍ʁຊʁ
w 1VMM3FRVFTUʹॻ͘͜ͱΛ͋Β͔͡Ίίϛοτϝο ηʔδʹه͢ w ʮίϛοτˠ13࣌ʹॻ͘ʯͰͳ͘ʮίϛοτ࣌ ʹॻ͘ˠ13ܗ͘Β͍ʯ w Ͳ͏ͤॻ͘ͳΒϒϥβͰͳ͖͘ͳΤσΟλͰ w NBTUFS
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HJUDPNNJU࣌ʹΤσΟλฤू͢Δ
13࣌ʹλΠτϧຊจ͕ຒ·ͬͯΔ
มߋҙਤͰTRVBTIΛ͢Δ͖͔ʁ ϦϑΝΫλϦϯά৽ػೳͷ Ճͱີʹ݁ͼ͍͓ͯΓɺΘ ͟Θ͟͢ΔͨΊʹ࣌ؒΛׂ ͘ͷແବͩͱࢥ͍·͢ɻ ϦϑΝΫλϦϯάୈ൛.BSUJO'PXMFS
SBJMTSBJMT *NQSPWF"DUJPO$BCMFSFDPOOFDUJPOSFMJBCJMJUZ
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独⽴してリバートできる独⽴した変更単位にしておく
pick, squash, or another PR? ࣮աఔͰͷςετՃɺ όάϑΟοΫεখ͞ͳϦ ϑΝΫλϦϯάͰ͔͢ʁ TRVBTI QJDL
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w ಈ͘ίʔυඞཁ݅Ͱ͋Γे݅Ͱͳ͍ w αοͱಈ͘ίʔυ·Ͱ͍࣋ͬͯ͘ͷ3BJMTͷ Ғେ͕ͩ͞ɺΠϯσοΫε/ ͳͲͷߟྀ࿙ ΕɺͦͦίϯτϩʔϥʔͰॏ͍ಉظॲཧ Λ͠ͳ͍ͱ͍͏جૅॏཁ w Πϯϑϥߏͱεέʔϧํ๏Λ͓ͬͯ͘
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େ͖ͳࡿΛ͛Δ υΩϡϝϯτͷεϖϧϛεͷमਖ਼Λ࢝Ίͨྡͷ ਓ͕ɺ࣍ͷૉΒ͍͠ػೳΛ࣮͢Δ͜ͱʹͳ Δ͔Ͳ͏͔୭ʹΘ͔Γ·ͤΜɻ͔͠͠ɺ͋ ͳ͕ͨඍসΜͰɺͲΜͳখ͞ͳߩݙʹײँΛ ࣔ͢͜ͱͰɺϞνϕʔγϣϯΛߴΊͤ͞ɺͦͷ Մೳੑੜ·ΕΔ͔͠Ε·ͤΜɻ 5IF3BJMT%PDUSJOF ຊޠ༁ IUUQTRJJUBDPNUBLBIBTIJNJUFNTE⒎FFDCEBD&""&%&""&&&#"&&#QVTIVQBCJHUFOU
w ୭͔ʹͱͬͯʹཱͭͷίʔυͱݶΒ ͳ͍ w ͳΜΒ͔ͷϥΠϒϥϦͷΈ߹ΘͤͰ౿Μ ͩόάͷϨϙʔτɺϫʔΫΞϥϯυͷ ղܾࡦͰهࣄΛॻ͍͓͚ͯɺಉ͡ ʹૺ۰ͨ͠ਓͷݕࡧώοτͰཱ͔ͭ όουϊϋͷڞ༗
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w ʮΊΜͲ͏ͩͳʯͱ͍͏ײࣗମॏཁ w γεςϜͷ։ൃ͚ͩͰͳ͘ɺϓϩδΣΫτࣗମͷ ࣗಈԽΛ͢Δ w $*-JOUFSͱ͍͏πʔϧʹݶΒͣɺఆܕ࡞ۀʹͳΓ ͦ͏ͳͷɺΤϯδχΞϦϯάͰղܾͰ͖ͳ͍͔ ݕ౼ͯ͠ΈΔ w
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खΛಈ͔͔͢Ͳ͏͔ 6QHSBEFNVTUHPPO
ϓϩμΫτͷϝϯςφϏϦ ςΟ্ͱɺΤϯδχΞͱ ͯ͠ಇ͘Α͏ʹͳ͔ͬͯΒ ͷϨϕϧΞοϓंͷ྆ྠ
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