ソーシャルコーディング時代のふつうのプログラマサバイバルガイド

Slide 1

Slide 1 text

4VSWJWJOH1SPKFDUT"GUFSUIF (JU)VC3FWPMVUJPO "O0SEJOBSZ1SPHSBNNFST (VJEF .JUTVUBLB.JNVSB &JXB4ZTUFN.BOBHFNFOU *ODBTBLVTBSC 12೥9݄16೔೔༵೔

Slide 2

Slide 2 text

NF 12೥9݄16೔೔༵೔

Slide 3

Slide 3 text

12೥9݄16೔೔༵೔

Slide 4

Slide 4 text

XPSL 12೥9݄16೔೔༵೔

Slide 5

Slide 5 text

IUUQDPEFSXBMMDPNUFBNFJXB TZTUFNNBOBHFNFOU 12೥9݄16೔೔༵೔

Slide 6

Slide 6 text

12೥9݄16೔೔༵೔

Slide 7

Slide 7 text

12೥9݄16೔೔༵೔

Slide 8

Slide 8 text

DPNNVOJUZ 12೥9݄16೔೔༵೔

Slide 9

Slide 9 text

12೥9݄16೔೔༵೔

Slide 10

Slide 10 text

IUUQXXXNFFUVQDPNUPLZPSBJMTFWFOUT 12೥9݄16೔೔༵೔

Slide 11

Slide 11 text

12೥9݄16೔೔༵೔

Slide 12

Slide 12 text

3VCZ,BKBʹͳΓ·ͨ͠ 12೥9݄16೔೔༵೔

Slide 13

Slide 13 text

IUUQKQSVCZJTUOFUNBHB[JOF 12೥9݄16೔೔༵೔

Slide 14

Slide 14 text

Δͼ·Ͱ͸ هࣄΛॻ͍ͯ͘ΕΔํ ҰॹʹฤूΛ͢ΔํΛ ืू͍ͯ͠·͢ IUUQKQSVCZJTUOFUNBHB[JOF 12೥9݄16೔೔༵೔

Slide 15

Slide 15 text

ࠓ೔࿩͞ͳ͍͜ͱ 12೥9݄16೔೔༵೔

Slide 16

Slide 16 text

ࠓ೔࿩͞ͳ͍͜ͱ ✓ίʔυϨϏϡʔͷϕετϓϥΫςΟε ✓ΩϥΩϥͨ͜͠ͱ ✓஍ࠈͷΈ͞Θ ✓*%0- 12೥9݄16೔೔༵೔

Slide 17

Slide 17 text

ࠓ೔ͷ͓࿩ 12೥9݄16೔೔༵೔

Slide 18

Slide 18 text

͓࿩ͷ಺༰ ιʔγϟϧίʔσΟϯά͕࢝·ͬͨ Ӭ࿨Ͱੜ͖࢒ΔͨΊɺ .Z$PEFΛ8F$PEFͱͳΔΑ͏ʹ ؾΛ͚ͭͨ͜ͱ 12೥9݄16೔೔༵೔

Slide 19

Slide 19 text

Ӭ࿨ͷਓͨͪ 12೥9݄16೔೔༵೔

Slide 20

Slide 20 text

12೥9݄16೔೔༵೔

Slide 21

Slide 21 text

R u b y i s t ͨ ͪ 12೥9݄16೔೔༵೔

Slide 22

Slide 22 text

Φ ϒ ਥ ͨ ͪ 12೥9݄16೔೔༵೔

Slide 23

Slide 23 text

12೥9݄16೔೔༵೔

Slide 24

Slide 24 text

͜ͷ೥Ͱى͖ͨ ؀ڥͷมԽ 12೥9݄16೔೔༵೔

Slide 25

Slide 25 text

৬৔ʹ(JU)VC͕ ΍͖ͬͯͨ 12೥9݄16೔೔༵೔

Slide 26

Slide 26 text

ಋೖͷ͖͔͚ͬ ✓ʮίʔυϨϏϡʔʯ ✓େਓ਺ O ͷϓϩδΣΫτ ✓νʔϑϓϩάϥϚʔ VSTN ʹΑΔ ϨϏϡʔ 12೥9݄16೔೔༵೔

Slide 27

Slide 27 text

ϨϏϡʔ͸͚ͬ͜͏େม ✓ࢦఠ͸ޱ಄ PS*3$ ✓มߋΛ௥͏ͷ͕େม ✓ݟΔ΂͖ର৅͕୔ࢁ 12೥9݄16೔೔༵೔

Slide 28

Slide 28 text

ͦ͜Ͱ(JU)VCͰ͢Α ✓ͲΜͲΜϨϏϡʔͰ͖Δ؀ڥʹ ✓ίϝϯτΛ࢒ͤΔ ✓QVMMSFRVFTUͰϨϏϡʔґཔ 12೥9݄16೔೔༵೔

Slide 29

Slide 29 text

ࣗ෼ͨͪͷπʔϧ࡞Γ ✓࠷ॳ͸̍ਓ͕࡞ͬͨϓϩμΫτ ✓ผͷ୭͔͕ࣗ෼͕ཉ͍͠ػೳ௥ՃΛউ खʹ΍ΔΑ͏ʹͳͬͨ ✓ࠓ·Ͱಉ͡ϓϩδΣΫτʹͳͬͨ͜ͱ ແ͍ਓ͕ಉ͡ίʔυΛ͍͡ΔΑ͏ʹͳ ͬͨ 12೥9݄16೔೔༵೔

Slide 30

Slide 30 text

ձࣾͷதʹ(JU)VCͰ ى͖͍ͯΔιʔγϟϧͳ ׆ಈ͕ൃੜ͢ΔΑ͏ʹͳͬͨ 12೥9݄16೔೔༵೔

Slide 31

Slide 31 text

มԽͷ·ͱΊ ✓ଞͷϓϩδΣΫτͷίʔυΛݟΕΔΑ ͏ʹͳͬͨ ✓ϓϩδΣΫτ֎ͷϝϯόʔ΋ϑΟʔυ όοΫΛͩͤΔ؀ڥʹͳͬͨ ✓ϝϯόʔશһ͕ಉ͡ίʔυΛڞ༗͢Δ Α͏ʹͳͬͨ 12೥9݄16೔೔༵೔

Slide 32

Slide 32 text

12೥9݄16೔೔༵೔

Slide 33

Slide 33 text

ʢʼʻʣ ✓QVTI͢ΔͨͼʹೖΔίϝϯτͷ਺ʑ ✓࢓ࣄ͕ਐ·ͳ͍ ✓Ԝ 12೥9݄16೔೔༵೔

Slide 34

Slide 34 text

͚ͬ͜͏ਏ͍ 12೥9݄16೔೔༵೔

Slide 35

Slide 35 text

ͦΜͳதͰࣗ෼͕ ίʔυΛॻ͖ଓ͚Δ ͨΊʹԿ͕Ͱ͖Δ͔Λ ߟ͑ͯΈͨ 12೥9݄16೔೔༵೔

Slide 36

Slide 36 text

ٯڥΛνϟϯεʹ ✓ฐࣾʹ͸ɺ͍͢͝ਓ͕͍ͬͺ͍͍Δ ✓ͦΜͳ͍͢͝ਓ͔ΒݟࣺͯΒΕͣʹབྷ ΜͰ΋Β͑Δͷ͸νϟϯε ✓ड͚ͨࢦఠΛ਎ʹ͚͍͚ͭͯ͹ɺΑ͍ श׳Λ਎ʹ͚ͭΕΔ͸ͣ 12೥9݄16೔೔༵೔

Slide 37

Slide 37 text

ࢥߟ͕ωΨςΟϒϑΟʔυό οΫʹ͓͍ͪΒͳ͍Α͏ʹ ҙࣝΛม͑ͨ 12೥9݄16೔೔༵೔

Slide 38

Slide 38 text

ͳͥࢦఠ͕ଟ͍͔Λ ߟ͑ͨ ✓ʮӬ࿨ͷNBTUFSϒϥϯνʹ͸มͳ ίʔυ͕ແ͍ʯΛ࣮ݱ͢ΔͨΊʹɺ Θͨ͠ʹ͸଍Γͯͳ͍͜ͱ͕ଟ͍ 12೥9݄16೔೔༵೔

Slide 39

Slide 39 text

Ӭ࿨ͷNBTUFSϒϥϯνʹ͍Ε ͍͍ͯΑ͏ͳίʔυΛॻͨ͘Ίʹ Θ͕ͨ͠ؾΛ͚ͭΔΑ͏ʹͳͬͨ /ݸͷ͜ͱ 12೥9݄16೔೔༵೔

Slide 40

Slide 40 text

12೥9݄16೔೔༵೔

Slide 41

Slide 41 text

ίʔυͷܗΛ ؾʹ͢Δ 12೥9݄16೔೔༵೔

Slide 42

Slide 42 text

ίʔυͷܗΛؾʹ͢Δ ✓͏͚ͨࢦఠ ✓ίʔυʹ͍ΕΔۭന΍վߦͷҐஔ͕ όϥόϥ ✓ॻ͖ํʹϜϥ͕͋Δ 12೥9݄16೔೔༵೔

Slide 43

Slide 43 text

ྫɿۭനͷ͍Εํ ࢦఠΛ͏͚Δ)BTIͷॻ͖ํ {a: 1, b: 2 } ࢦఠΛ͏͚ΔϒϩοΫͷॻ͖ํ [1, 2, 3].map{ |a| a + 1} 12೥9݄16೔೔༵೔

Slide 44

Slide 44 text

ྫɿۭനͷ͍Εํ ࢦఠΛ͏͚Δ)BTIͷॻ͖ํ {a: 1, b: 2 } ࢦఠΛ͏͚ΔϒϩοΫͷॻ͖ํ [1, 2, 3].map{ |a| a + 1} ˢ͜ͷεϖʔε͸Կ 12೥9݄16೔೔༵೔

Slide 45

Slide 45 text

ྫɿۭനͷ͍Εํ ࢦఠΛ͏͚Δ)BTIͷॻ͖ํ {a: 1, b: 2 } ࢦఠΛ͏͚ΔϒϩοΫͷॻ͖ํ [1, 2, 3].map{ |a| a + 1} ͜ͷεϖʔε͸Կ ˢ 12೥9݄16೔೔༵೔

Slide 46

Slide 46 text

ྫɿۭനͷ͍Εํ ࢦఠΛ͏͚Δ)BTIͷॻ͖ํ {a: 1, b: 2 } ࢦఠΛ͏͚ΔϒϩοΫͷॻ͖ํ [1, 2, 3].map{ |a| a + 1} ͜͜ʹεϖʔε͸͍Εͳ͍ͷ ˢ 12೥9݄16೔೔༵೔

Slide 47

Slide 47 text

Ͳ͏ͯ͠େࣄ͔ ✓վߦ΍ۭന΋ίʔυͷҰ෦ͳͷͰؾʹ͠ ͳ͚Ε͹͍͚ͳ͍ ✓ίʔυͷݟͨ໨͕ѱ͍ͱϨϏϡϫʔ͕ຊ ࣭Ҏ֎ͷ͜ͱͰؾΛͱΒΕͯ͠·͏ ✓ݟͨ໨ͷޙʹ࠶౓ϨϏϡʔʹͳΔͷͰແ ବ͕ൃੜ͢Δ 12೥9݄16೔೔༵೔

Slide 48

Slide 48 text

࣮ફͨ͜͠ͱ ✓ࢦఠ͞Εۭͨന΍վߦͷ͍ΕํΛཧղ͠ ͯɺίʔυΛॻ͘ͱ͖ʹ֬ೝ͢Δ ✓ଞͷਓ͕ॻ͍ͨίʔυΛϨϏϡʔ͢Δͱ ͖΋ҙࣝ͢Δ ✓Πϯλʔωοτʹެ։͞Ε͍ͯΔ͍ΖΜ ͳίʔσΟϯάϧʔϧΛݟͯࣗ෼ͱͷҧ ͍Λ୳ͯ͠ɺΑ͍΋ͷ͸औΓೖΕΔ 12೥9݄16೔೔༵೔

Slide 49

Slide 49 text

12೥9݄16೔೔༵೔

Slide 50

Slide 50 text

આ໌Ͱ͖ΔίʔυΛ ॻ͘ 12೥9݄16೔೔༵೔

Slide 51

Slide 51 text

આ໌Ͱ͖ΔίʔυΛॻ͘ ✓͏͚ͨࢦఠ ✓͜ͷม਺͸Ͳ͏͍͏ҙຯͰ͔͢ ✓͜ͷߏ଄͸ԿͰ͜͏ͳΔΜͰ͔͢ 12೥9݄16೔೔༵೔

Slide 52

Slide 52 text

ྫɿςετσʔλͷ ηοτΞοϓ object.instance_variable_set :@user, 'takkanm' 12೥9݄16೔೔༵೔

Slide 53

Slide 53 text

ྫɿςετσʔλͷ ηοτΞοϓ object.instance_variable_set :@user, 'takkanm' lΘ͚͕Θ͔Βͳ͍Αz 12೥9݄16೔೔༵೔

Slide 54

Slide 54 text

Ͳ͏ͯ͠େࣄ͔ ✓ࣗ෼ͰΘ͔Γ΍໊͍͢લΛ͚ͭͨͱࢥͬ ͯ΋ɺਓʹ͸ཧղͰ͖ͳ͍͜ͱ΋͋Δ ✓࠷ऴతʹίϛοτ͞ΕΔ΋ͷ͸ಈ͚ͩ͘ Ͱͳ͘ҙਤ͕͸͖ͬΓ͍ͯ͠ͳ͍ͱ͍͚ ͳ͍ 12೥9݄16೔೔༵೔

Slide 55

Slide 55 text

࣮ફͨ͜͠ͱ ✓ม਺໊΍ߏ଄ʹ೰ΜͩΒ૬ஊ ✓ଞͷਓͷίʔυ͔Β׳༻తͳ୯ޠΛֶͿ ✓આ໌Ͱ͖ΔΑ͏ʹॻ͚ΔΑ͏ʹɺԿ౓΋ ॻ͖௚͢ 12೥9݄16೔೔༵೔

Slide 56

Slide 56 text

12೥9݄16೔೔༵೔

Slide 57

Slide 57 text

ಓ۩Λ஌Δ 12೥9݄16೔೔༵೔

Slide 58

Slide 58 text

ಓ۩Λ஌Δ ✓͏͚ͨࢦఠ ✓ͦΕ˓˓ͰͰ͖ΔΑ ✓ʷʷ࢖ͬͯͳ͍ͷͰ͔͢ 12೥9݄16೔೔༵೔

Slide 59

Slide 59 text

ྫɿϑΝΠϧͷSFBE File.read(Rails.root + ‘/lib/ foo.csv’) 12೥9݄16೔೔༵೔

Slide 60

Slide 60 text

ྫɿϑΝΠϧͷSFBE File.read(Rails.root + ‘/lib/ foo.csv’) l1BUIOBNFͳΒ΋ͬͱ΍ΓΑ͏͋ΔΑͶz 12೥9݄16೔೔༵೔

Slide 61

Slide 61 text

ྫɿϑΝΠϧͷSFBE File.read(Rails.root + ‘/lib/ foo.csv’) l3BJMTSPPUKPJO bMJCGPPDTW` SFBEz 12೥9݄16೔೔༵೔

Slide 62

Slide 62 text

ྫɿྻڍ͍ͨ͠ͱ͖ class Todo < ActiveRecord::Base STATUS = %w(done doing ready) end 12೥9݄16೔೔༵೔

Slide 63

Slide 63 text

ྫɿྻڍ͍ͨ͠ͱ͖ class Todo STATUS = %w(done doing ready) end lFOVNFSBUFE@BUUSJCVUFΛ࢖ͬͨΒͲ͏Ͱ͔͢ʁz class Todo < ActiveRecord::Base STATUS = %w(done doing ready) end 12೥9݄16೔೔༵೔

Slide 64

Slide 64 text

Ͳ͏ͯ͠େࣄ͔ ✓ϓϩάϥϚͱͯ͠3VCZ΍3BJMT౳ͷ ಓ۩ΛΑ͘஌Βͳ͍ͱ͍͚ͳ͍ ✓ϓϩάϥϚͱͯ͠ৗʹΞϯςφΛషͬͯ ͍Δඞཁ͕͋Δ 12೥9݄16೔೔༵೔

Slide 65

Slide 65 text

࣮ફͨ͜͠ͱ ✓υΩϡϝϯτΛோΊΔ ✓45,͢Δ ✓ଞͷϓϩδΣΫτͷ(FNpMFΛݟΔ 12೥9݄16೔೔༵೔

Slide 66

Slide 66 text

"QQFOEJY" 12೥9݄16೔೔༵೔

Slide 67

Slide 67 text

՝֎׆ಈΛ͢Δ 12೥9݄16೔೔༵೔

Slide 68

Slide 68 text

ֶΜͩ͜ͱΛ Ξ΢τϓοτ͢Δ ✓ࣾ಺ͰֶΜͩ͜ͱΛΞ΢τϓοτ͢Δ ✓ࣗ෼ͷཧղ΍ཱ͍ͬͯΔ৔ॴΛ஌Δ͍ ͍ػձʹͳΔ 12೥9݄16೔೔༵೔

Slide 69

Slide 69 text

ωοτ্ͷ׆ಈ ✓$PEFSXBMM ✓όοξͰ૊৫಺ͷংྻ͕ݟ͑Δ ✓3BJMTͷόοξ͕ཉͯ͘͠ύονΛॻ͘ ✓2"UNBSLJU ✓Ϩϐϡςʔγϣϯ͕ଞͷਓʹෛ͚ͳ͍Α͏ʹ࣭໰ʹ ౴͑Δ ✓3VCZϦϑΝϨϯεϚχϡΞϧ ✓ಡΜͰ͍Δͱ͖ʹؒҧ͍ʹؾ෇͍ͨΒ#VHใࠂ 12೥9݄16೔೔༵೔

Slide 70

Slide 70 text

ίϛϡχςΟʹͰΔ ✓"TBLVTBSC ✓3BJMTษڧձ ✓3VCZJTU.BHB[JOFฤू ✓ࡳຈ3VCZձٞͰ࿩͢ 12೥9݄16೔೔༵೔

Slide 71

Slide 71 text

ࣗ෼ͷมԽʹ͍ͭͯ 12೥9݄16೔೔༵೔

Slide 72

Slide 72 text

มΘͬͨ͜ͱ ✓QVTI͢Δͷָ͕͘͠ͳͬͨ ✓·ͩ·ͩποί·ΕΔ͚Ͳ΋લΑΓۤ Ͱ͸ͳ͘ͳͬͨ ✓ଞͷਓʹֶΜͩࣄΛ఻͑ΕΔΑ͏ʹ ✓ͭΒ͘ͳ͍Α͏ʹؾΛ͚ͭΔ ✓ڭ͑Δ͜ͱͰߋʹߟ͕͑ਂ·Δ͜ͱ΋ 12೥9݄16೔೔༵೔

Slide 73

Slide 73 text

;ͭ͏ͷ͜ͱͰ͸ ✓͍͢͝ਓ͕;ͭ͏ʹߦͳ͍ͬͯΔࣄͩ ͚ͲɺΘͨ͠ʹ͸ؾΛ͚ͭͳ͍ͱͰ͖ ͳ͍ࣄ͕ଟ͔ͬͨ ✓͋ͨΓ·͑ͱݴΘΕ͍ͯΔࣄΛͪΌΜ ͱ΍ΕΔΑ͏ʹ౒ྗ͠ͳ͍ͱ͍͚ͳ͍ 12೥9݄16೔೔༵೔

Slide 74

Slide 74 text

·ͱΊ ✓ձࣾ಺ͰίʔυΛॻ͘؀ڥ΋ձࣾ֎ͰίʔυΛ ॻ͘؀ڥ΋ࠩҟ͕ͳ͘ͳͬͯ͘Δ͜ͱͰɺ্ୡ ͢Δνϟϯε͕૿͑ͨ ✓ਏͯ͘΋෗Βͣʹૉ௚ʹࢦఠΛड͚ͱΊֶͯΜ Ͱ͍͘͜ͱ͕େࣄ ✓ίʔυΛָ͘͠ॻ͘ͱ͍͏͜ͱΛੜۀʹ͢Δͷ ͳΒɺ͋ͨΓ·͑ͷ͜ͱΛਖ਼͘͠΍ΕΔΑ͏ʹ ৗʹҙࣝ͢Δ͜ͱ͕େࣄ 12೥9݄16೔೔༵೔

Slide 75

Slide 75 text

12೥9݄16೔೔༵೔