Upgrade to Pro — share decks privately, control downloads, hide ads and more …

なぜ僕はプログラミングが苦手なのか / Why am I not good at programming

VTRyo
February 01, 2019

なぜ僕はプログラミングが苦手なのか / Why am I not good at programming

2019.2.1 WEBエンジニア勉強会11

VTRyo

February 01, 2019
Tweet

More Decks by VTRyo

Other Decks in Education

Transcript

  1. WEBΤϯδχΞษڧձ#11
    2019. 2.1

    View Slide

  2. ʮͳͥ๻͸ϓϩάϥϛϯά͕ۤखͳͷ͔ʯ
    Presentation by VTRyo (Web Developer)

    View Slide

  3. લ୅ະฉ

    ʰͰ͖ͳ͍ܥLTʱ
    ஏ΋֎ฉ΋ͳ͍ͷͰ͋Δ

    View Slide

  4. ͸͡Ί·ͯ͠
    VTRyoͱॻ͍ͯϦϣ΢Ͱ͢
    Twitterʢ@3s_hvʣ
    ʢ@3s_hvʣ

    View Slide

  5. ͸͡Ί·ͯ͠
    ʢ@3s_hvʣ
    גࣜձࣾϚπϦΧ
    SREνʔϜ
    ΤϯδχΞ࠾༻૭ޱ͸͡Ί·ͨ͠

    View Slide

  6. ͸͡Ί·ͯ͠
    ʢ@3s_hvʣ
    झຯ
    స৬ࢧԉ
    ൃ৴͢ΔϚϯʢϒϩάɺొஃɺΠϕϯτओ
    ࠵ɺٕज़ಉਓࢽࣥචʣ
    ୭͔ͷਓੜΛฉ͘

    View Slide

  7. స৬LT#4 ΍Γ·͢
    ݱࡏ४උத

    View Slide

  8. ٕज़ॻయ

    View Slide

  9. ͬͦ͘͞ຊ୊

    View Slide

  10. લఏ
    Ansible, Terraform͸ॻ͍͍ͯͨ
    ϓϩάϥϛϯάຊ֨తʹ࢝Ίͯ̐ϲ݄
    ओͳ։ൃݴޠ͸RubyʢRoRʣ
    SREͱͯ͠ύϑΥʔϚϯεվળʹணखத

    View Slide

  11. લఏ
    ϓϩάϥϛϯά͸

    ͜Ε·Ͱ్தͰษڧ΍ΊΔ͜ͱ̎ճ
    Ұճ໨͸େֶतۀͷPerlɺೋ౓໨͸Progate
    ϝϯλʔ͸ͳ͠

    View Slide

  12. ΤϯδχΞྺ̏೥
    ϓϩάϥϛϯάྺ͸̐ϲ݄

    View Slide

  13. Ώ͑ʹϨϕϧ̌

    View Slide

  14. ҎԼʮ͓લηϯεͳ͍ʯ
    ېࢭ

    View Slide

  15. ͳͥ๻͸ϓϩάϥϛϯά͕ۤखͳͷ͔ɺ
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  16. ॳ৺ऀ͋Δ͋Δʁ
    or ࡯͕͠ѱ͍ʁ
    ΋͠΍”ηϯε͕ͳ͍”

    View Slide

  17. ”ηϯε͕ͳ͍”ͰऴΘΒͤͯ͠·ͬͨΒ
    Կ΋࢝ΊΒΕͳ͘ͳΔͰ͠ΐʔ͕ʂ
    ηϯεͳ͍ͰऴΘΒͤͨ͘ͳ͍ͷͩ
    Ͱ΋…

    View Slide

  18. ͍ࣗ͟ݾ෼ੳʂ
    ઌഐΤϯδχΞ͸ҭ੒໨ઢͰʂ
    ಉ͡ਓ͸Ұॹʹ͕Μ͹Ζ͏ʂ

    View Slide

  19. ॳ৺ऀ͋Δ͋Δ
    ͦͯ͠
    ࠷ॳͷน

    View Slide

  20. Ͷ͑ɺΤϥʔจಡΜͰͳ͘ͳ͍ʁ
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  21. ·͡ͰಡΜͰͳ͍ύλʔϯ
    ಡΈղ͚͍ͯͳ͍ύλʔϯ
    Τϥʔൃੜʂͦͷͱ͖൴͸…
    ͕͢͞ʹࠓ͸ͳ͍Ͱ͢

    View Slide

  22. ·͡ͰಡΜͰͳ͍ύλʔϯ
    ΤϥʔͰͨ ͖ͬ͞
    ॻ͍ͨͱ͔͜
    ͸΍͘௚͞Ͷ͹
    Τϥʔݟͯͳ͍

    View Slide

  23. ࣗ෼Ͱॻ͍ͨॴ͕ѱ͍ͷ͸Θ͔ͬͯΔ
    ͔ͩΒͦ͜Λม͑Δʢಡ·ͣʹม͑ʹ͍ͬͪΌ͏ʣ
    Ͱ΋Կ͕ѱ͍͔ಡΜͰͳ͍͔Βద੾ͳରԠʹͳΒͳ͍
    Α͏΍͘Τϥʔಡ΋͏ͱ͢Δ
    Կॻ͍ͯ͋Δ͔Θ͔Βͳ͍͠खؒ
    ৺ཧঢ়ଶʢ̍ྫʣ
    ࠷ॳ͸͜Ε
    ͳΜ͡Όͳ͍͔ͳ

    View Slide

  24. ͜͏ͯ͠ѱ॥؀ϧʔϓ

    View Slide

  25. յΕͨΓ͠ͳ͍͔Β
    ޲͖߹͏บΛ

    View Slide

  26. ಡΈղ͚ͯͳ͍ύλʔϯ
    γϯϓϧʹಡΈඈ͹͍ͯ͠ΔʢಡΜͰͳ͍ͱ
    ΋ݴ͏ʣ
    ܦݧ஋ෆ଍Ͱؾ͚ͮͯͳ͍

    View Slide

  27. ܦݧ஋ෆ଍Ͱؾ͚ͮͯͳ͍
    NoMethodError: undefined method

    ͺͬͱݟ͙ͯ͢Θ͔Δਓ͸
    ͦΕ͚ͩܦݧ͖ͯͨ͠ͱ͍͏͜ͱ
    ͙ͨͩ͢͠ʹݕ౼͕͔ͭ͘ͷࠩ
    ޲͖߹͍ͬͯΕ͹Θ͔ΔΑ͏ʹͳΔ
    Xyz::JobBase Error: Called abstract method.

    View Slide

  28. ಡΈղ͚ͯͳ͍ύλʔϯ
    ʮ͜͜ʹॻ͍ͯ͋Δ͡ΌΜʂʯ
    ໨͕અ݀ͰࢮΛܴ͑Δ

    View Slide

  29. ܦݧ஋͸޲͖߹ͬͨ਺ͰมΘΔ
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  30. Α͏΍͘࠷ॳͷนΛյ͢
    ͔͠͠଴͍ͬͯͨͷ͸ࣗ৴૕ࣦ

    View Slide

  31. ๻͸ϓϩάϥϛϯά͕ۤख͔΋͠Εͳ͍
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  32. ͳΜ͔࠷ॳͷนյ͢ͷʹ
    ͍͔͔࣌ؒͬͨ͢͝…

    View Slide

  33. ͔͠΋
    Twitterʹ͍ΔΈΜͳ
    ͭΑ͍ͻͱ͹͔ͬ͡ΌΜ…ʁ

    View Slide

  34. ΈΜͳ͕ηϯεͰ΍͖ͬͯͨ͜ͱ
    ๻͸ҙࣝͯ͠Α͏΍͘Ͱ͖ͨ

    View Slide

  35. ίʔυ΋׬ᘳʹॻ͚ΔΘ͚͡Όͳ͍͠
    ͜ͷ··Ͱ͸μϝ͔΋…

    View Slide

  36. ࣗ৴Λͳͨ͘͠๻͸ɺϚωʔδϟʔʹ͋Δر
    ๬Λ఻͑·ͨ͠
    ๻͸΋͏ͩΊ͔΋

    View Slide

  37. ϚωʔδϟʹݴΘΕͨ͜ͱ

    View Slide

  38. – By Manager
    “ͨͱ͑αϙʔτΛड͚ͳ͕ΒͰ΋ϓϧϦΫΛग़
    ͨ͠Μͩ͠ɺػೳͯ͠ΔΜ͡Όͳ͍Ͱ͔͢”

    View Slide

  39. View Slide

  40. ͦ͏͔ɻ೉͘͠ߟ͑͗ͯͨ͢

    View Slide

  41. ࣮͸੒ޭମݧ΋͋ͬͨ͸ͣͩ

    View Slide

  42. Τϥʔಡ·ͳ͍໰୊ͩͬͯ
    ͪΐͬͱͣͭमਖ਼͖ͯͨ͠

    View Slide

  43. ʮϓϩάϥϛϯάͰ͖Δʯͷϋʔυϧ
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  44. ࠷ॳ͸୭΋͕ΦϨΦϨίʔυ͡Όͳ͍ͷ͔͍
    ʮ׬ᘳʹʯͬͯԿΛ΋ͬͯ׬ᘳͳͷ͔ɻͦ΋
    ͦ΋׬ᘳͳ΋ͷ͸ͳ͍
    ϋʔυϧউखʹ্͛ͯΔ

    View Slide

  45. ॳ৺ऀ͋Δ͋Δʁ
    or ࡯͕͠ѱ͍ʁ
    ΋͠΍”ηϯε͕ͳ͍”
    ࠷ॳͷ໰͍

    View Slide

  46. ηϯεͱ͸ɺ
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  47. ηϯε͋Δਓɿ͜Ε·Ͱͷ؀ڥ΍ܦݧɺश׳
    ʹΑΓඞཁͳײ͕֮උΘ͍ͬͯΔਓ
    ηϯε͕ͳ͍ਓɿ·ͩश׳͕උΘ͍ͬͯͳ͍
    ͚ͩ
    ηϯεͱ͸ɺ
    ͨͱ͑͹
    தֶੜͷͱ͖͔ΒHP࡞ͬͯͨਓͱ͔

    View Slide

  48. ηϯεͱ͸ɺྑ͍श׳ͷੵΈॏͶͰ͸ͳ͍͔
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  49. ͳΒ͹ɺ๻ʹ΋΍ΕΔ͜ͱ͸͋Δ
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  50. ͦ͏৴ͯ͜͡Ε͔Β΋ਐΉ
    ϓ
    ϩ
    ϑ
    Σ
    ο
    γ
    ϣ
    φ
    ϧ
    ʹ ͳ Γ ͨ ͍

    View Slide

  51. Please Teach me!!
    I’m very quick on the uptake

    View Slide

  52. ࠳ંͨ͠Βɺಡ΋͏ɻ

    View Slide

  53. ʮͳͥ๻͸ϓϩάϥϛϯά͕ۤखͳͷ͔ʯ
    Presentation by VTRyo (Web Developer)
    ׬

    View Slide