学習する組織の作り方

by Yosuke Furukawa

Slide 1

Slide 1 text

ֶश͢Δ૊৫ͷ࡞Γํ 2019/10/31 @ EOF2019

Slide 2

Slide 2 text

ϦΫϧʔτςΫϊϩδʔζ ITEຊ෦HRE෦ASG ݹ઒ཅհʢϑϧΧϫϤ΢εέʣ 2 ■໾৬ ࣗݾ঺հ Application Solution GroupͷάϧʔϓϚωʔδϟ γχΞιϑτ΢ΣΞΤϯδχΞ ͓ࣸਅ ໌Δ͍ද৘ͷ΋ͷ ϓϥΠϕʔτ΋Մ ■GMͱͯ͠΍ͬͯΔ͜ͱ ϝϯόʔͷΩϟϦΞ։ൃ ϓϩδΣΫτΞαΠϯ શࣾݚमɾR-ISUCONɾϋοΧιϯͳͲ ■γχΞͱͯ͠΍ͬͯΔ͜ͱ R&D - React/Redux/Node.jsΛ࢖ͬͨϘΠϥʔϓϨʔτ - Consumer Driven Contract πʔϧ agreed࡞੒ - ৽نٕज़։ൃ

Slide 3

Slide 3 text

Twitter: @yosuke_furukawa Github: yosuke-furukawa

Slide 4

Slide 4 text

No content

Slide 5

Slide 5 text

+4$POG+1 UJDLFUͦΖͦΖϚδ ͰചΓ੾Ε·͢ʂʂʂ

Slide 6

Slide 6 text

Q.   ϦΫϧʔτςΫϊϩδʔζͬ ͯԿ΍ͬͯΔձࣾͳΜͰ͢ ͔ʁ

Slide 7

Slide 7 text

A. ϦΫϧʔτͷࣾ಺՝୊Λ  ٕज़Ͱղܾ͢Δձࣾ

Slide 8

Slide 8 text

ͲΜͳ͜ͱΛ΍ͬͯΔ͔ʁ • Πϯϑϥߏங • ηΩϡϦςΟ૬ஊ • ΞϓϦέʔγϣϯ։ൃ • ػցֶश/෼ੳ • ։ൃϓϩηε࡞੒ • ׂͱͳΜͰ΋΍ͬͯΔ

Slide 9

Slide 9 text

ͲΜͳ͜ͱΛ΍ͬͯΔ͔ʁ • Πϯϑϥߏங • ηΩϡϦςΟ૬ஊ • ΞϓϦέʔγϣϯ։ൃ • ػցֶश/෼ੳ • ։ൃϓϩηε࡞੒ • ׂͱͳΜͰ΋΍ͬͯΔ "4(͕ओʹ୲౰ ΢Σϒൺ཰ߴ͍

Slide 10

Slide 10 text

ʮΞϓϦέʔγϣϯ։ൃʯ ͱݴͬͯ΋ࠓ͸UI͕ͲΜͲΜ Ϧονʹͳ͍ͬͯΔ࣌୅

Slide 11

Slide 11 text

No content

Slide 12

Slide 12 text

ΞϓϦέʔγϣϯͷUIͷཁ͕݅ Ϧονʹ • UI͸Ϣʔβʔ͕৮Δͱ͜ΖͳͷͰʮϓϥϯφʔɾϓϩμΫτΦʔ φʔͷࢥ͍ʯ͕ೖΓ΍͍͢ • ϞόΠϧɺλϒϨοτɺPCͳͲෳ਺ͷ؀ڥͰಈ࡞ͤ͞Δཁ͕݅૿ ͑ͨ • ϞόΠϧʹ͓͍ͯ͸UI͸γϯϓϧ͕ͩɺೖྗͰ͖Δࣄ͕গͳ͍ ෼ɺཁ݅͸ϦονʹͳΓ΍͍͢ • ύϑΥʔϚϯε΍SEOɺηΩϡϦςΟͳͲඇػೳཁ݅Ͱߟ͑ͳ͍ ͱ͍͚ͳ͍͜ͱ΋૿͍͑ͯΔ

Slide 13

Slide 13 text

Ұੲલ͸

Slide 14

Slide 14 text

HTML CSS JS(jQuery) ΢ΣϒΛߏ੒͢Δݴޠ ͜ͷลΓͷ͋Δఔ౓ͷ஌͕ࣝ͋Ε͹ 6*͸࡞Εͨ

Slide 15

Slide 15 text

Ͱ΋ࠓ͸

Slide 16

Slide 16 text

DOM Cookie DevTools ϒϥ΢βΛߏ੒͢Δ಺༰ CSSOM window navigator Headers

Slide 17

Slide 17 text

DNS URL HTTP(S) ωοτϫʔΫ WebSocket TCP TLS HTTP/3 QUIC

Slide 18

Slide 18 text

Cache Critical- Rendering Path Metrics Tools ύϑΥʔϚϯε Memory CPU I/O

Slide 19

Slide 19 text

XSS CSRF SQL Injection ηΩϡϦςΟ DoS TLS/SSL

Slide 20

Slide 20 text

React Angular Redux JS Frameworks Vue.js Polymer

Slide 21

Slide 21 text

Mobile Tablet PC Runtime Environment Chrome Safari Firefox IE Edge

Slide 22

Slide 22 text

HTML CSS JS DOM Cookie DevTools CSSOM window navigator Headers DNS URL HTTP(S) WebSocket TCP TLS React Redux Memory CPU I/O DoS TLS/SSL

Slide 23

Slide 23 text

େมͰ͢Ͷ

Slide 24

Slide 24 text

Ͱ΋ɺ͜Ε͕(ϦΫϧʔτͷ)  ΢ΣϒΤϯδχΞ  ʹͳΔɺͱ͍͏͜ͱ

Slide 25

Slide 25 text

΢Σϒͷϑϩϯτ͚ͩͰ͜Ε ͚ͩͷ஌͕ࣝඞཁɺόοΫΤ ϯυ΋ؚΊΔͱ΄΅ແݶͷ࣌ ͕ؒඞཁ

Slide 26

Slide 26 text

ແݶͷதͰ༗ݶͷॲཧΛ͢Δ ͷʹඞཁͳͷ͸ϚϯύϫʔͰ ղܾ͢ΔͷͰ͸ͳ͘ɺ ଉΛٵ͏Α͏ʹֶश͢Δ  Ϟνϕʔγϣϯ

Slide 27

Slide 27 text

ͦΜͳંʹग़ձͬͨຊ

Slide 28

Slide 28 text

ֶश͢Δ૊৫ • ʮֶश͢Δʯͱ͸ʮੜ͖Δ͜ͱͱಉٛʯͱݴ ͍੾ͬͨຊ • ʮଉΛٵ͏Α͏ʹֶश͢Δʯͱ͍͏ࣄΛࢥͬ ͍ͯͨࣗ෼ͷߟ͑ํͱϚονͨ͠ • த਎ΛΑ͘ಡΉͱ͍͍ࣄ͕ͨ͘͞Μॻ͍ͯ͋ Δɻ

Slide 29

Slide 29 text

ֶश͢Δ૊৫ • 5ͭͷσΟγϓϦϯ • 1. ࣗݾϚελϦʔ • 2. ڞ༗Ϗδϣϯ • 3. γεςϜࢥߟ • 4. ϝϯλϧϞσϧ • 5. νʔϜֶश

Slide 30

Slide 30 text

ֶश͢Δ૊৫ • 5ͭͷσΟγϓϦϯ • 1. ࣗݾϚελϦʔ • 2. ڞ༗Ϗδϣϯ • 3. γεςϜࢥߟ • 4. ϝϯλϧϞσϧ • 5. νʔϜֶश ख़ୡ͢Δࣄɺઈ͑ͣ౒ྗͯ͠ೳྗΛߴΊΔ͜ͱ ੒͠਱͛ΔϏδϣϯΛෳ਺ͷਓʹڞ༗͢Δ͜ͱ ੈͷதͷγεςϜͷෳࡶ͞ʹ޲͖߹͍ɺཧղΛ ਂΊΔ͜ͱ ࣗ෼ͷ΍ΓํΛ͍ٙଓ͚ɺվળΛଓ͚Δ ͜ΕΒΛνʔϜͰڞ༗͠ɺΈΜͳͰߟ࡯ɺ୳ٻΛ ߦ͍ɺ಺ল͍ͯ͘͠

Slide 31

Slide 31 text

Slide 32

Slide 32 text

͜ΕΛࣗ෼ͳΓʹղऍͯ͠ɺ ࢼߦࡨޡ͠ͳ͕Β ৭ʑࢼ͍ͯ͠Δ࠷த ڞ༗ϏδϣϯɺࣗݾϚελϦʔɺνʔϜֶशʹ͍ͭͯ঺հ

Slide 33

Slide 33 text

ڞ༗Ϗδϣϯ

Slide 34

Slide 34 text

ϏδϣϯΛग़ͯ͠ڞ༗͢Δ͜ ͱ

Slide 35

Slide 35 text

๻͕ݴ͍ଓ͚ͯͨ͜ͱɿ ਖ਼͍͠΋ͷΛਖ਼͘͠࡞Δ

Slide 36

Slide 36 text

ਖ਼͠͞ʹ͸2࣠͋Δ validation ͱ veriﬁcation

Slide 37

Slide 37 text

validation => value ͔Βདྷͯ Δ value ͭ·ΓՁ஋͕͋Δ͜ͱ

Slide 38

Slide 38 text

veriﬁcation => very ͔Β͖ ͯΔ very ͸ "ͱͯ΋" Ͱ͸ͳ͘ ʮਖ਼͘͠ʯͱ͍͏ҙຯ ਖ਼͋͘͠Δ΂͖͔࢟Ͳ͏͔Λ ࢦ͢

Slide 39

Slide 39 text

͜Εཱ͕྆͢Δঢ়ଶ͕ཧ૝ͷ ঢ়ଶɺՁ஋͕͋Δ͜ͱΛਖ਼͠ ͋͘Δ΂͖࢟Ͱ࡞Δ͜ͱ

Slide 40

Slide 40 text

ྫ͑͹: ച্΋্͛ͭͭɺςε τ΍ϨϏϡʔΛͯ͠੡඼ͷΫ ΦϦςΟ΋อͭɺͦΜͳঢ়ଶ

Slide 41

Slide 41 text

Ұݟໃ६ͯ͠ΔΑ͏͕ͩɺ ͜ΕΛཱ྆ͤ͞Δͷ͕ٕज़ྗ ͩͱ͍͏࿩Λͯ͠ϝϯόʔΛ ಋ͍ͯΔɻ

Slide 42

Slide 42 text

ͳͷͰϝϯόʔʹ͸ʮৗʹٕ ज़ྗͷݚᮎΛͭͭ͠ɺ͋͘· ͰϏδωεϑΝʔετͰ΍ Δʯͱ͍͏͜ͱΛҙࣝͤͯ͞ ͍Δɻ

Slide 43

Slide 43 text

ࣗݾϚελϦʔ

Slide 44

Slide 44 text

ࣗ෼͕ݚᮎΛ͢Δ͜ͱ ͔͠͠ɺݚᮎͯ͠΋ଞऀ͔Β ݟΔͱ෼͔Γʹ͍͘

Slide 45

Slide 45 text

ࣗ෼͕ݚᮎΛ͢Δ͜ͱ ͔͠͠ɺݚᮎͯ͠΋ଞऀ͔Β ݟΔͱ෼͔Γʹ͍͘ ීஈ͔ΒΞ΢τϓοτΛ৺͕͚ΔΑ ͏ʹ࢓૊ΈͰղܾ

Slide 46

Slide 46 text

ଉΛు͍ͨΒٵΘͳ͍ͱ͍͚ ͳ͘ͳΔ Ξ΢τϓοτ͢ΔͱΠϯϓο τ͠ͳ͍ͱ͍͚ͳ͘ͳΔ

Slide 47

Slide 47 text

ྫ: ࣾ಺ϒϩά, Demo Day

Slide 48

Slide 48 text

ຖिάϧʔϓձͰຖճ࡞ͬͨ ΋ͷΛσϞͤͯ͞Δɻ LTΈ͍ͨʹԿͰ΋ྑ͍͔Βຖ ि࡞ͬͨ΋ͷΛ঺հ͢ΔΑ͏ ʹ͍ͯ͠Δɻ

Slide 49

Slide 49 text

݁Ռͱͯ͠ • ϝϯόʔ͔ΒͷΞ΢τϓοτ͕૿͑ͨʢ΋ͪΖ Μʣ • ͦΕ͚ͩ͡Όͳͯ͘Gձͷؔ৺͕ߴ͘ͳͬͨɻ • ਐḿใࠂͰ͸ԼΛ޲͍ͯΔϝϯόʔ΋ը໘ΛݟΔ Α͏ʹͳͬͨɻ • άϧʔϓձ͕ᮣୡʹͳͬͨɻ

Slide 50

Slide 50 text

νʔϜֶश

Slide 51

Slide 51 text

νʔϜͰݚᮎ͢Δ

Slide 52

Slide 52 text

΍ͬͯΔ͜ͱ: ࣾ಺ISUCON, εϐʔυϋοΧ ιϯ

Slide 53

Slide 53 text

R-ISUCON ✕

Slide 54

Slide 54 text

R-ISUCON ϦΫϧʔτͳΓͷ໰୊Λ࡞ͬͯϦΫϧʔτͳΓ ͷύϑΥʔϚϯε໰୊Λղ͘ ✕

Slide 55

Slide 55 text

R-ISUCONୈҰճ໨ͷ໰୊ • ϦΫϧʔτͰΑ͋͘Δձٞࣨ༧໿γεςϜ

Slide 56

Slide 56 text

R-ISUCONୈҰճ໨ͷ໰୊ • ϦΫϧʔτͰΑ͋͘Δձٞࣨ༧໿γεςϜ • ϦΫϧʔτͰ͸ձ͕ٞࣨ1Q͔ͣͭ͠औΕͣɺ ͔͠΋ΫΦʔλʔͷ։࢝೔ʹෛՙ͕ूத͢Δ • ෛՙ͕ूதͨ݁͠Ռࢮ͵

Slide 57

Slide 57 text

R-ISUCONୈҰճ໨ͷ໰୊ • ϦΫϧʔτͰΑ͋͘Δձٞࣨ༧໿γεςϜ • ϦΫϧʔτͰ͸ձ͕ٞࣨ1Q͔ͣͭ͠औΕͣɺ ͔͠΋ΫΦʔλʔͷ։࢝೔ʹෛՙ͕ूத͢Δ • ෛՙ͕ूதͨ݁͠Ռࢮ͵ ϦΫϧʔτͬΆ͍ɻɻɻ

Slide 58

Slide 58 text

R-ISUCONୈҰճ໨ͷ໰୊ • ຊՈISUCONͱ͸ҧͬͯϑϩϯτΤϯυνϡʔ χϯάͷཁૉ΋ೖΕͨ • CSS/JSΛ͋͑ͯॏͨ͘͠Γɻ • ΩϟογϡΛޮ͔ͤͨΓɺը૾ѹॖͨ͠Γ͠ ͳ͍ͱείΞ͕ग़ͳ͍Α͏ʹͨ͠ɻ

Slide 59

Slide 59 text

R-ISUCON΍ͬͯΈͯ • ύϑΥʔϚϯε্ɺ࣮ࡍʹϦΫϧʔτͰى͖ͨো ֐΍໰୊Λϕʔεʹຖճ৽͍͠ISUCONͷ໰୊Λ ࡞͍ͬͯΔɻ • ڭҭతͳଆ໘΋ڧ͍͕ɺো֐ৼΓฦΓతͳଆ໘΋ ڧ͍ɻ • ϦΫϧʔτશମͰ࣮ࢪ͢Δ͜ͱͰϦΫϧʔτશମ ͷαʔϏε͕Α͘ͳΔ͜ͱΛૂ͍ͬͯΔɻ

Slide 60

Slide 60 text

R-ISUCON΍ͬͯΈͯ • ύϑΥʔϚϯε্ɺ࣮ࡍʹϦΫϧʔτͰى͖ͨো ֐΍໰୊Λϕʔεʹຖճ৽͍͠ISUCONͷ໰୊Λ ࡞͍ͬͯΔɻ • ڭҭతͳଆ໘΋ڧ͍͕ɺো֐ৼΓฦΓతͳଆ໘΋ ڧ͍ɻ • ϦΫϧʔτશମͰ࣮ࢪ͢Δ͜ͱͰϦΫϧʔτશମ ͷαʔϏε͕Α͘ͳΔ͜ͱΛૂ͍ͬͯΔɻ ϦΫϧʔτͷαʔϏεΛྑ͘͢Ε͹೔ຊͷ 8FCશମͷ͏ͪ਺͕ྑ͘ͳΔɻ

Slide 61

Slide 61 text

εϐʔυϋοΧιϯ • Ծ૝ͷαʔϏεͰ͸ͳ͘ɺ࣮ࡍͷϖʔδΛج ʹϑϩϯτΤϯυ͚ͩͰͲ͜·Ͱߴ଎ԽͰ͖ Δ͔Λߦ͏ɻ

Slide 62

Slide 62 text

εϐʔυϋοΧιϯ • ࣮ࡍͷαʔϏεͰ͸੍໿΋ଟ͍͔Β΍Εͳ͍͜ͱ ΋ଟ͍ • ͔͠͠ɺ੍໿Λ֎ͨ͠ঢ়ଶͰͲ͜·Ͱܰ͘ͳΔ ͔ɺͲ͜·ͰLook & Feel͕มΘΔ͔Λ·ͣ͸ମݧ ͤͯ͋͛͞Δ • ͜ΕʹΑͬͯɺ࠷ऴΰʔϧΛݟਾ͑ͨঢ়ଶͰվળ ׆ಈ͕Ͱ͖Δ

Slide 63

Slide 63 text

εϐʔυϋοΧιϯ • ࣮ࡍͷαʔϏεͰ͸੍໿΋ଟ͍͔Β΍Εͳ͍͜ͱ ΋ଟ͍ • ͔͠͠ɺ੍໿Λ֎ͨ͠ঢ়ଶͰͲ͜·Ͱܰ͘ͳΔ ͔ɺͲ͜·ͰLook & Feel͕มΘΔ͔Λ·ͣ͸ମݧ ͤͯ͋͛͞Δ • ͜ΕʹΑͬͯɺ࠷ऴΰʔϧΛݟਾ͑ͨঢ়ଶͰվળ ׆ಈ͕Ͱ͖Δ μΠΤοτͱҰॹͰ࠷ॳʹཧ૝ͷ࢟ΛΠϝʔδͰ͖ ΔΑ͏ʹ͔ͯ͠Βվળ͢Δͱΰʔϧ͠΍͍͢

Slide 64

Slide 64 text

εϐʔυϋοΧιϯ • ࣮ࡍʹόΠτݕࡧΞϓϦ΍௞ି෺݅ݕࡧΞϓ ϦͰ΋ޮՌ͕ग़͍ͯΔɻ •

Slide 65

Slide 65 text

ଞʹ΋

Slide 66

Slide 66 text

PIGICON • Programming and Intelligence: Greatest Improvement CONtest • ػցֶश x ISUCON • Ԡ౴ੑೳͱֶशਫ਼౓྆ํΛڝ͏ίϯςετ

Slide 67

Slide 67 text

PIGICON • Ϣʔβʔʹ࣭໰ͯ͠ɺͦͷ಺༰ΛجʹϢʔβʔ ͕ߟ͑ͯΔ΋ͷΛਪଌ͢Δ • ࣭໰ճ਺͕গͳ͚Ε͹গͳ͍΄ͲείΞ͸ߴ͍ • ͨͩؒ͠ҧ͍Λ௚͢ʹ͸໰͍߹Θ͕ͤଟ͘ͳΔ • Ԡ౴ੑೳΛ͋͛Α͏ͱੑೳΛ্͛Δͱࠓ౓͸ਫ਼ ౓͕௿͘ͳΔ

Slide 68

Slide 68 text

IMOCON • Iikanji ni MOdel CONtest • Kaggle Έ͍ͨͳػցֶशͷਫ਼౓ͷΈΛڝ͏ί ϯςετ • ·ͩ͜Ε͔Β΍ΔίϯςετͳͷͰৄࡉ͸໌ ͔͞Εͯͳ͍ɻ

Slide 69

Slide 69 text

৭ʑ૿͖͑ͯͨ

Slide 70

Slide 70 text

ϋοΧιϯܗࣜͰΠϕϯτʹ͠ ͯ੝Γ্͛Δ • ΈΜͳʹֶΜͰ΄͍͜͠ͱ͸ίϯςετܗࣜʹͯ͠ʢ xxxCON Λ࡞ͬͯʣ։࠵ͱ͍͏ྲྀΕ͕૿͑ͨɻ • ݁Ռͱͯ͠৭ΜͳόϥΤςΟͷڝٕ͕૿͑ͯɺΈΜͳҰ૚ڝٕΛ ͢ΔΑ͏ʹͳͬͨɻ • ࣗൃతʹֶश͍ͯ͘͠૊৫ʹͳ͖ͬͯͨɻ • ࣮ࡍͷΞϓϦέʔγϣϯʹ΋׆͔ͤΔΑ͏ʹͳ͖ͬͯͨɻ   

Slide 71

Slide 71 text

ৼΓฦͬͯ

Slide 72

Slide 72 text

ৼΓฦͬͯ • ࣗ෼ͳΓͷϚωδϝϯτελΠϧΛ௥ٻͨ݁͠Ռɺ΄΅Τ ϯδχΞίϛϡχςΟͷษڧձͷελΠϧͱҰॹͩͬͨࣄ ʹؾ͍ͮͨ • ཁ͸େࣄͳ͜ͱ͸ษڧձ͔ΒֶΜͩɻ • σϞσΠͰৗʹଉΛు͔ͤΔͷ͸ษڧձͷొஃͷϚω͝ͱ • ϋοΧιϯͰ୹ظؒʹνʔϜͰֶश͢Δͱ͔΋΋ΖΤϯδ χΞίϛϡχςΟͷ΍Γํ

Slide 73

Slide 73 text

ৼΓฦͬͯ • ࣗ෼ͳΓͷϚωδϝϯτελΠϧΛ௥ٻͨ݁͠Ռɺ΄΅Τ ϯδχΞίϛϡχςΟͷษڧձͷελΠϧͱҰॹͩͬͨࣄ ʹؾ͍ͮͨ • ཁ͸େࣄͳ͜ͱ͸ษڧձ͔ΒֶΜͩɻ • σϞσΠͰৗʹଉΛు͔ͤΔͷ͸ษڧձͷొஃͷϚω͝ͱ • ϋοΧιϯͰ୹ظؒʹνʔϜͰֶश͢Δͱ͔΋΋ΖΤϯδ χΞίϛϡχςΟͷ΍Γํ ͣʔͬͱ΍͖ͬͯͨΤϯδχΞίϛϡχςΟͰ ΍͖ͬͯͨ͜ͱΛࣾ಺Ͱద༻ͨ͠ɻ݁Ռɺࠓ͸ Ұఆͷ੒Ռ͕ग़ͯΔɻ

Slide 74

Slide 74 text

ֶश͢Δ૊৫Λ࡞Δͷʹ৺͕͚ ͯΔ͜ͱ • ࣗ෼ͳΓͷڞ༗ϏδϣϯΛݴ͏ʮਖ਼͍͠΋ͷΛਖ਼͘͠࡞Δʯ • ͦͷ্Ͱϝϯόʔʹ͸ࣗݾݚᮎͱͱ΋ʹɺDemo Day΍ࣾ಺ ϒϩάͳͲৗʹൃ৴ͤ͞Δ࢓૊ΈΛ࡞Δ  ʮৗʹଉΛు͔ͤͯٵΘͳ͍ͱ͍͚ͳ͘͢Δʯ • ϋοΧιϯ΍ISUCONͳͲͷऔΓ૊ΈΛੵۃతʹ౪Έɺੵۃ తʹࢼ͢ɻʮνʔϜֶशͰେࣄͳ͜ͱ͸ΤϯδχΞίϛϡχ ςΟ͔ΒֶΜͩɻʯ