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Meguro.rb #15 LT資料

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Avatar for tsutomu chikuba tsutomu chikuba
May 24, 2018
Programming
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Meguro.rb #15 LT資料

Rails(プログラミング)初心者
FAQから学ぶ何か

Avatar for tsutomu chikuba

tsutomu chikuba

May 24, 2018
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Transcript

  1. Meguro.rb#15 LT Railsʢϓϩάϥϛϯάʣॳ৺ऀ FAQ͔ΒֶͿԿ͔ 2018/05/24(໦) tchikuba

  2. Profile SNS: tchikuba Blog: https:// tchikuba.github.io/ Company: Livesense Ruby: 5.years.ago

  3. None
  4. None
  5. None

  6. ॳॻ੶ ແࣄग़൛ 2018/01/26ൃച

  7. 2࡭໨΋ ແࣄग़൛ 2018/03/09ൃച

  8. None

  9. gem৘ใ͍ͩ͘͞m(_ _)m

  10. ΈΜͳେ޷͖ ϙΠϯτɾΞϯυɾϑΟΪϡΞ

  11. None

  12. ஍ຯʹਓੜॳgem ※FIXME: Ϋιίʔυ

  13. ຊ୊

  14. None

  15. ϓϩάϥϛϯάߨࢣ ͸͡Ί·ͨ͠

  16. ಘΒΕֶͨͼΛڞ༗ ※͋Μ·Γίʔυग़͖ͯ·ͤΜm(_ _)m

  17. ࣭໰ͷछྨ

  18. Q. git diffΔͱ΍ͨΒࠩ෼͕…

  19. A. σΟϨΫτϦ͕ҧ͍·͢Ͷɻ LinuxγεςϜʹ͓͍ͯ͸ͲͷσΟϨΫτϦͰ࡞ۀ ͢Δ͔ॏཁͰ͢ͷͰ(ry

  20. Q. error͕ग़ΔΜͰ͚͢Ͳ…

  21. None
  22. None
  23. None

  24. [1] pry(main)> buildings = Building.find(1) [2] pry(main)> building.rooms NameError: undefined

    local variable or method `building' for main:Object

  25. A. (ry

  26. Q. partialݺͼग़͠ݩ͸Ξϯείͳ͍ ͷʹɺϑΝΠϧ໊͸͋Δͷ͸Կނʁ ▪ݺͼग़͠ݩ render ‘footer’ ▪ϑΝΠϧ໊ app/views/layouts/_footer.html.erb

  27. A. This is the Rails way.

  28. Q. ΦϦδφϧαʔϏε։ൃதͳΜͰ͕͢ɺ HerokuͰϧʔτυϝΠϯ࢖͍͍ͨΜͰ͚͢Ͳ ՄೳͰ͠ΐ͏͔ʁ

  29. A. SSLߟྀͱ͔౿·͑Δͱجຊwwwαϒυϝӡ༻ָ͕ɻ SSLͩͱ༗ྉdynoʢ࠷݄҆$7ʣݶఆɻ ҰԠCloudflare࢖͑͹׬શແྉͰ ϧʔτυϝΠϯʴSSLͰ΋࢖͑·͢ɻ ʲFYIʳ https://qiita.com/serinuntius/items/f7f08b2221f5ad068f5d

  30. Q. CGMαʔϏε։ൃதͰ͢ɻ Ϣʔβʔͷ࣭໰ʢquestionsʣʹ ճ౴ʢanswersʣ͕Ͱ͖ɺ ࣗ෼Ҏ֎ͷճ౴ʹ౤ථʢvotesʣ͕ Ͱ͖ΔγεςϜͰ͢ɻ ճ౴΁ͷ౤ථ਺ϥϯΩϯάΛ ूܭ͢Δʹ͸ActiveRecordͰͲͷΑ͏ʹ දݱͰ͖·͔͢ʁ

  31. A. ͜Μͳײ͡ (ଟ෼) User.joins(answers: votes) .group(‘users.id’) .order(‘count_all desc’).count

  32. ࣭໰Λ෼ྨͯ͠ΈΔ ୯७ͳΤϥʔܥɻݟΕ͹େ఍͙͢ʹ෼͔Δɻ ཧղΛਂΊΔܥɻϋοͱ͢Δ࣭໰΋͋Δɻ ΑΓ࣮ફܥɻճ౴͕͍͕͋͠Δɻ

  33. ͬ͘͟Γ͜Μͳൺ཰ ※౰ࣾൺ Τϥʔܥ ࣮ફܥ ཧղܥ

  34. ·ͱΊ ʮڭ͑Δʯߦҝͷ͏ͪɺਓ͕΍Δ΂͖͜ͱͱਓ͕΍Βͳͯ͘ ࡁΉ͜ͱʢ࢓૊ΈͰղܾͰ͖Δ͜ͱʣͷ੗Έ෼͚͕ඞཁ ຊ࣭ΛΑΓཧղ͢Δ͜ͱ͕ඞཁͳͷͰɺͦ͜ΛͲ͏఻͑Δ͔ ͸ڭ͑ΔଆͷεΩϧʹґଘ͢Δͱ͜Ζ͕େ͖͍ ʮڭҭʯͬͯ੟ۀͷׂʹʢܦࡁతʹ͸ʣใΘΕͳ͍࢓ࣄʢͰ ΋χʔζ͸͋Δʣ Rubyͷ੄໺Λ޿͛Δ׆ಈ͸େม͚ͩͲҙٛ͸͋ΔΜ͡Όͳ͍ ͔

  35. https://speakerdeck.com/kakakakakku/tips- for-teaching-rails

  36. Meguro.rb#15 LT Railsʢϓϩάϥϛϯάʣॳ৺ऀ FAQ͔ΒֶͿԿ͔ 2018/05/24(໦) tchikuba