Javaを富山でやってたはずがSwiftのためにMacBook買ったらRubyでリモートワーカーになってJSの本を出版するまでを思い返す

2020/2/1 BuriKaigi2020

Transcript

1. +BWBΛ෋ࢁͰ΍ͬͯͨ͸͕ͣ
   4XJGUͷͨΊʹ.BD#PPLങͬͨΒ
   3VCZͰϦϞʔτϫʔΧʔʹͳͬͯ
   +4ͷຊΛൃച͢Δ·ͰΛࢥ͍ฦ͢
   #VSJ,BJHJ
   

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2. ࣗݾ঺հ
   !NVHJ@VOP
   ഴౡҰ
   )BKJNF.VHJTIJNB
   5PZBNBSC
   IUUQTUPZBNBSCHJUIVCJP
   

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3. ϦϞʔτϫʔΧʔ
   ʢגࣜձࣾ.JTPDBʣ
   

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4. +43VCZ
   

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5. ৽ฉࡌͬͨ
   

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6. ຊΛॻ͍ͨ
   

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7. ;ͱߟ͑Δ
   

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8. ɾੲ͸εʔπͰग़ࣾͯ͠+BWBॻ͍ͯͨ
   ɾ͑͛ͭͳ͍ίʔυΛΈͯ΋

   ʮ͜Ε͕ࣾձਓͷίʔυʜʂ
   ಉ͡ͷॻ͚ΔΑ͏ʹͳΒͳ͖Όʂʯ
   ɹͬͯຊؾͰࢥͬͯͨ
   ɾʮษڧձʯͱ͍͏֓೦ࣗମ஌Βͳ͔ͬͨ
   

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9. ؾ͕෇͚͹ɺ
   ෋ࢁͷΤϯδχΞͱͯ͠͸
   ΘΓͱಛघͳײ͡ʹ
   

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10. Կ͕͋ͬͨͷ͔ΛৼΓฦͬͯΈΔ
    ஍ํ ෋ࢁ
    ͷҰਓͷΤϯδχΞͱͯ͠
    ಘΒΕֶͨͼΛڞ༗͠·͢
    ˝
    

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11. ˞஫ҙ఺
    ɾओ؍తͳҙݟ΋ଟؚ͘Έ·͢
    ɾ෺ޠͱͯ͠ଊ͑Δ͙Β͍͕ஸ౓ྑ͍Ͱ͢
    

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12. Կ͔ಘΔ΋ͷ͕͋Ε͹޾͍Ͱ͢
    

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13. ແ஌
    ຊ
    

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14. ࠷ॳͷసػ
    

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15. ͱ͋ΔҊ݅ ܹ຿
    Ͱ
    ༷ʑͳҙຯͰࢮ͵΄Ͳ+4Λॻ͘
    ˝
    Ұؾʹ+4೴ʹͳΔ
    

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16. ಉ࣌ʹɺͱ͋Δਓʹձ͏
    

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17. !IJLBSVXPSME
    ˞ͳ͓#VSJ,BJHJओ࠵ऀ
    

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18. ɾྑ͍ίʔυͱ͸
    ɾཧ૝ͱ͢΂͖։ൃͱ͸
    ɾʮ඼࣭ʯͱ͸Կ͔
    ΤϯδχΞͱͯ͠
    ͳͲΛຊؾͰߟ͑ΔॏཁੑΛֶͿ
    

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19. ʮ͍·ͷ͜Εͬͯ౰ͨΓલͳͷ͔ʁʯ
    Λҙࣝ͢ΔΑ͏ʹͳͬͨ
    

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20. ແ஌
    +4
    ຊ
    ҙࣝͷมԽ
    

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21. ;Γ͔͑Δͱʜ
    ɾ஌͕ࣝͳ͍ͱʮࠓ࣋ͬͯΔखࡳʯ
    ɹͷதͰ͔͠൑அ͕Ͱ͖ͳ͍
    ɾٕज़΍ςΫχοΫ΋େࣄ͕ͩɺ
    ɹૣ͍͏ͪʹϚΠϯυηοτΛ
    ɹֶͿ͜ͱ͕େࣄͩͬͨ
    ɾ!IJLBSVXPSME͸͍͢͝ਓʢࢣঊʣ
    

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22. ࢓ࣄͰฏ࿨͕๚Εͨ͜Ζ
    "QQMF͕4XJGUΛൃද
    

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23. ҙ͕ࣝଟগมԽ͍ͯͨ͠ͷͰ
    ڵຯ͕Ͱͯ͘Δ
    

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24. ੎͍Ͱ.BD#PPL1SPΛߪೖ
    

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25. ແ஌
    +4
    .BD ຊ
    ҙࣝͷมԽ
    

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26. 4XJGUͨͷ͍͠ʂ
    

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27. ΘΓͱ͙͢ʹ๞͖Δ
    

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28. ແ஌
    +4
    .BD ຊ
    ҙࣝͷมԽ
    εοʜ
    

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29. .BD#PPL͸຾Γʹண͘
    

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30. Ұํ͓࢓ࣄͰ͸
    1MBZ'SBNFXPSLΛࢼ͢
    

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31. ʮ3VCZPO3BJMT͔ΒӨڹΛड͚ͨʯ
    1MBZ'SBNFXPSL
    ˝
    

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32. 3VCZʹ΋ڵຯ͕ग़ͯ͘Δ
    

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33. ɾձࣾͰͬͦ͜Γษڧͯͨ͠ʢ࣌ޮʣ
    ɾ8JOEPXT3VCZಛ༗ͷπϥΈ
    ɾ౰࣌͸%PDLFS΋҆ఆͤͣ
    

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34. 
    

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35. 8JOEPXҎ֎ͷ؀ڥ͋ͬͨΑ͏ͳʜʁ
    

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36. ોΔ.BD#PPL1SP
    

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37. ͻͨ͢ΒຊΛങͬͯࣸܦ͢Δ೔ʑ
    

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38. ແ஌
    +4
    .BD 3VCZ ຊ
    ҙࣝͷมԽ
    

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39. ;Γ͔͑Δͱʜ
    ɾٕज़΍ࢿ࢈͸ࢥ͍΋ΑΒ͵ܗͰܨ͕Δ
    ɾࣗ෼ͷকདྷੑͱ͔ߟ͑ͣʹ3VCZ΍ͬͯͨ
    ɾֶͿٕज़Λଧࢉతʹબͼ͕͚ͪͩͲ

    ɹʮָ͍͠ʯ͜ͱ΋ࠓߟ͑Δͱॏཁ
    

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40. ಠֶʹݶքΛܴ͑Δ
    ɾ͞Έ͍͠
    ɾҙຯ͋Δͷ͔ʁ
    ɾྑ͍ͱࢥͬͯΔͷ
    ɹࣗ෼͚ͩ͡Όʁ
    

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41. Ͳ͏΍Βʮษڧձʯͱ
    ݺ͹ΕΔ΋ͷ͕ଘࡏ͢ΔΒ͍͠
    

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42. ੢࿬SCਆށSC
    3VCZϓϩάϥϛϯάΩϟϯϓ
    

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43. ओ࠵
    ҏ౻३Ұ͞Μ
    !KODIJUP
    

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44. ʮ2JJUBͱ͔ϒϩάͰݟΔͻͱͩʂʯ
    

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45. LN
    ˞ਓੜॳษڧձ
    ˜0QFO4USFFU.BQDPOUSJCVUPST
    

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46. ࢀߟ৘ใ
    ෋ࢁ3VCZձٞ
    ҏ౻३Ұ͞Μൃදࢿྉʮ͔̋̋Β3VCZ΁ʯΑΓ
    

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47. ɾͳ͓౰೔͸௒ઈମௐෆྑ
    ʢϊυ΋௵Εͯ੠ग़ͳ͔ͬͨʣ
    ɾʮͳΜ͔෋ࢁ͔Βࢮʹͦ͏ͳਓདྷͨʜʯ
    ɹͱࢥΘΕ͔ͯͨ΋͠Εͳ͍
    

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48. ॳษڧձͰଟ͘ͷিܸΛड͚Δ
    ɾ3VCZ޷͖ͳਓΊͬͪΌ͍ͨ
    ɾʮ७ਮʹٕज़ʹڵຯͷ͋Δਓͨͪʯ
    ɹͰ࿩͢ͱָ͍͜͠ͱΛ஌Δ
    

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49. ແ஌
    +4
    .BD 3VCZ
    LN
    ຊ
    ҙࣝͷมԽ
    

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50. ෋ࢁͰ΋΍Γ͍ͨʂ
    ͚Ͳ3VCZͷίϛϡχςΟ͕ͳ͍ʂ
    

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51. ͭͬͨ͘
    

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52. ʮ୭΋དྷͳ͍͔΋ͳʙʯ
    

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53. ҙ֎ͱू·ͬͨ
    

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54. ͜ͷೋਓͱ΋ग़ձ͏
    !LVOJUPP !OPCPSV@J
    

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55. ஍ݩʹ΋஥͕͍ؒΔ͜ͱΛ஌Δ
    

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56. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ຊ
    ҙࣝͷมԽ
    

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57. ;Γ͔͑Δͱʜ
    ɾࣗ෼ͷߟ͑΍໎͍Λ੔ཧ͢ΔͨΊɺ
    ɹ΄͔ͷੈքʹ৮ΕͯΈΔͷ͕େࣄͩͬͨ
    ɾ͍ۙߟ͑ͷਓ͸ҙ֎ͱ਎ۙʹ͍Δ
    

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58. 5PZBNBSCΛ೥΄Ͳଓ͚Δ
    

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59. ʮ͜ͷ··Ͱ͍͍ͷ͔ͳʁʯ
    

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60. डୗ։ൃͷ੍໿
    ˞
    ɾडୗ։ൃࣗମΛ൱ఆ͢Δ΋ͷͰ͸͋Γ·ͤΜɻ
    ɾ1SPT$POTΛߟ͑ͨ৔߹ͷ$POTͷΈͷ࿩Ͱ͢ɻ
    ɾݸਓͷҙݟͰ͢ɻ
    

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61. ɾར༻ٕज़ͷҊ݅ґଘ
    ɾܖ໿্ͷ͞·͟·ͳ੍໿
    ɾΤϯυϢʔβʔͷ੠͕ಧ͔ͳ͍
    

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62. ஍ํస৬ͷ೉͠͞
    

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63. View Slide

64. ϦϞʔτϫʔΫ͕͋Δʂ
    

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65. ɾϦϞʔτϫʔΫΛ໨తʹ͸͠ͳ͔ͬͨ
    ɹɹɹɹɹɹɹɹɹɹ˝
    ɹ΍Γ͍ͨͷ͸ʮϦϞʔτϫʔΫʯ͡Όͳ͍
    ɾͳ͔ͬͨΒఘΊΔͭ΋Γͩͬͨ
    ɾ݁Ռతʹ͸ͦΕ͕ྑ͔ͬͨ
    

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66. ͳΜ΍͔Μ΍͋ͬͯ
    ϦϞʔτϫʔΧʔʹͳͬͨ
    

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67. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ϦϞʔτ
    ϫʔΫ
    ຊ
    ҙࣝͷมԽ
    

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68. ࢓ࣄͷελΠϧ͕େ͖͘มΘͬͨ
    ɾ͋Δఔ౓ɺٕज़ʹࣗ༝͕ޮ͘
    ɾݸਓͷࡋྔͰʴЋ͕Ͱ͖Δ
    

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69. 3VCZ΋όϦόϦॻͧ͘ʙʂʂ
    

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70. ͦ͏ࢥ͍ͬͯͨ࣌ظ͕
    ࢲʹ΋͋Γ·ͨ͠
    

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71. ɾϨΨγʔ΋݁ߏ࢒ͬͯͨ
    ɾࣗ෼ʹͰ͖ͦ͏ͳࣄ͕ଟ͍
    ϑϩϯτΤϯυ͕ؾʹͳΔ
    

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72. ࣌ؒΛݟ͚ͭͯ
    ϦϑΝΫλϦϯάΛ࢝ΊΔ
    ྫ
    ύϑΥʔϚϯεվળ
    

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73. ʮ͍͍Ͷʂʯͱݴͬͯ΋Β͑Δ
    

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74. ߦҎ্௚࢝͠ΊΔਓ
    ʢѱ͍ྫʣ
    

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75. ؾ͕͚ͭ͹ϑϩϯτΤϯυத৺ʹ
    ˝
    Ͱ΋ָ͠Ί͍ͯΔ
    

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76. ;Γ͔͑Δͱʜ
    ɾʮ3VCZΛ΍Γ͍ͨʯͱ͍͏ΑΓ
    ɹ3VCZΛऔΓר͘؀ڥ΍ମݧʹ
    ɹಌΕͯ๬ΜͰ͍ͨ͜ͱʹؾ෇͍ͨ
    ɹ ΋ͪΖΜ3VCZ͸͍·΋޷͖
    
    ɾաڈͷֶͼ΍εΩϧ͸ແବͰ͸ͳ͍
    

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77. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ϦϞʔτ
    ϫʔΫ
    ຊ
    ϑϩϯτΤϯυ
    ҙࣝͷมԽ
    

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78. ࣾ಺Ͱ
    ͱ͋ΔϫʔυΛසൟʹࣖʹ͢Δ
    

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79. lٕज़ॻయz
    ˝
    ɾٕज़ॻͷలࣔɾൢചΠϕϯτ
    ɾ΋ͪΖΜݸਓͰ΋ࢀՃͰ͖Δ
    

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80. ɾࣾ಺ͰαʔΫϧࢀՃ͢Δਓ͕૿͑Δ
    ɾఆظతʹ੝Γ্͕ͬͯΔ
    

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82. ߟ͑ΔΑΓઌʹਃ͠ࠐΉ
    ˝
    ౰બ
    

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83. ͣͬͱ΍ͬͯΔ
    lϑϩϯτΤϯυͷ୤ϨΨγʔz
    Λ୊ࡐʹॻ͍ͯ൦෍
    

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84. ແࣄʹ׬ച
    

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85. ঎ۀ൛ͷ࿩Λ௖͘
    ˝
    ץߦ
    

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86. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ϦϞʔτ
    ϫʔΫ
    ٕज़ॻయ
    ຊ
    ϑϩϯτΤϯυ
    ҙࣝͷมԽ
    

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87. ͦͯ͠ݱࡏ΁
    

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88. lͳͥࠓʹࢸΔͷ͔ʁz
    

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89. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ϦϞʔτ
    ϫʔΫ
    ຊ
    ϑϩϯτΤϯυ
    ҙࣝͷมԽ
    ٕज़ॻయ
    ٕज़ॻయʹࢀՃ͔ͨ͠Βʁ
    

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90. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ϦϞʔτ
    ϫʔΫ
    ຊ
    ҙࣝͷมԽ
    ٕज़ॻయ
    ϑϩϯτΤϯυ
    ϦϑΝΫλϦϯάͯ͠ͳ͔ͬͨΒ
    ॻ͚ͳ͔͔ͬͨ΋ʁ
    

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91. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ຊ
    ҙࣝͷมԽ
    ٕज़ॻయ
    ϑϩϯτΤϯυ
    ϦϞʔτ
    ϫʔΫ
    ؀ڥΛม͑ͳ͔ͬͨΒʁ
    

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92. ແ஌
    +4
    .BD 3VCZ
    LN
    5PZBNBSC
    ຊ
    ҙࣝͷมԽ
    ٕज़ॻయ
    ϑϩϯτΤϯυ
    ϦϞʔτ
    ϫʔΫ
    ɾ݁ہ͢΂͕ͯܨ͕͍ͬͯΔ
    ɾ۩ମతʹʮ͜Εʯͱ͍͏ͷ͸ແ͍
    

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93. l͡Ό͋ࣗ෼͸ԿΛͨ͠ͷ͔ʁz
    

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94. ࣗ෼ͳΓͷͨ͑͜
    ʮબ୒ࢶΛ஌Ζ͏ͱͨ͠ʯ
    ʮͱΓ͋͑ͣ΍ͬͯΈͨʯ
    

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95. ʮબ୒ࢶΛ஌Ζ͏ͱͨ͠ʯ
    ɾ3VCZΛֶΜͩΓษڧձʹࢀՃͯ͠
    ɹͦΕ·Ͱ஌Βͳ͔ͬͨੈք΍ߟ͑Λಘͨ
    ɾൺֱର৅Λಘͨ͜ͱͰ൑அ͕Ͱ͖ͨ
    

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96. ɾબͿͨΊʹ͸બ୒ࢶΛ஌Δඞཁ͕͋Δ
    ɾಛʹ஍ํ͸༉அ͢Δͱࢹ໺͕ڱ͘ͳΓ͕ͪ
    ɾݱঢ়Λٙ͏ͷ΋େࣄͳΜͩͱࢥ͏
    

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97. ʮͱΓ͋͑ͣ΍ͬͯΈͨʯ
    ɾ.BDങΘͳ͍બ୒ࢶ΋͋ͬͨ͠ɺ
    ɹLN΋๯ݥ͠ͳ͍બ୒ࢶ΋͋ͬͨ
    ɾͱΓ͋͑ͣ΍ͬͯΈͨ͜ͱͰ
    ɹ࣍ʹܨ͛Δ͜ͱ͕Ͱ͖ͨ
    

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98. ɾ࠷ॳͷҰา͸໪࿦͜Θ͔ͬͨ
    ɾೋา໨͸ང͔ʹָ
    ɹ ܦݧͱ஥͕ؒ૿͑Δ
    
    ɾԿ͔ͱ΍Βͳ͍ཧ༝Λ୳͕ͪ͠
    ɾͲΓΌʔʂͱ͍͏ڧ͍ؾ࣋ͪ
    

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99. ɾࢲͷબ୒͕ਖ਼͔ͬͨ͠ͱ͍͏࿩Ͱ͸ͳ͍
    ɾԿΛॏཁࢹ͢Δ͔͸ਓʹΑͬͯҧ͏
    ɾ͔ͩΒͦࣗ͜෼Ͱߟ͑Δඞཁ͕͋ͬͯɺ
    ɹߟ͑ΔͨΊͷࡐྉΛूΊΔͷ͕େࣄɹ
    ɹ ͱɺ͍·ʹͳͬͯࢥ͏
    
    

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100. ʮͱΓ͋͑ͣ΍ͬͯΈͨʯ
     ʮબ୒ࢶΛ஌Ζ͏ͱͨ͠ʯ
     ˠ#VSJ,BJHJʹࢀՃͯ͠Δʂ
     ˠීஈ࿩ͤͳ͍ਓͱ࿩ͤΔʂ
     Έͳ͞Μ΋ʂ
     

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101. ɾ஍ํࡏॅΤϯδχΞͰ΋
     ɹೲಘͰ͖ΔΤϯδχΞϥΠϑΛʂ
     ɾ஍ํίϛϡχςΟ΋
     ɹ΋ͬͱ׆ੑԽ͢Δͱ͍͍ͳʂ
     

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