Three tips for making friend with Rails - what I learned from training program in Classi Corp.

日本語タイトル：Railsと友達になるための３つのコツ　──Classiの新人研修から気づいたこと──

Transcript

1. 3BJMTͱ༑ୡʹͳΔͨΊͷ ̏ͭͷίπ ᴷᴷ$MBTTJͷ৽ਓݚम͔Βؾ͍ͮͨ͜ͱᴷᴷ $MBTTJ
   3BJMT
   /JHIU
   TU -5 ௠ ቨ
2. ࣗݾ঺հ ໊લɿ௠ ቨʢνϯ Ϊʣ ׯࢧɿಪ झຯɿίʔώʔ  @willsmile #classi_rails_night ೥݄͔Β$MBTTJೖࣾ
3. $MBTTJͰͷΤϯδχΞ৽ਓݚम 出典1: https://www.wantedly.com/companies/classi/post_articles/166227 出典2: https://github.com/everyleaf/el-training 出典3: https://gihyo.jp/book/2018/978-4-297-10123-7 出典4: https://tatsu-zine.com/books/rails-textbook 出典5: https://booth.pm/ja/items/1312664 ΧϦΩϡϥϜ୲౰ɿ • !JHBJHBʢޒेཛྷ ๜໌͞Μʣ جຊతͳ୊ࡐɿ • ສ༿͞ΜΧϦΩϡϥϜ ֶशͷܗଶɿ • νϡʔλʔ੍ • ֶशίϛϡχςΟʔ ಛ௃ɿ • ֶशऀͷಛੑͱ੒௕໨ඪʹ߹ Θͤͯɺֶͼͷํ޲ੑΛબ͹ ͤΔ ݚमʹؔ͢Δجຊ৘ใ  ԛׅ ԛׅ ԛׅ ԛׅ ԛׅ
4. ͦΕͰ͸ɺ͜ͷݚम͔Βؾ͍ͮͨ ͜ͱΛ঺հ͠·͢ʂ
5. 3VCZͱ3BJMTͷؔ܎ੑΛߟ͑ͯΈΔ  出典6: https://guides.rubyonrails.org/active_support_core_extensions.html 3BJMTͰ͸"DUJWF
   4VQQPSUͱ͍͏ίΞ֦ுػೳ ͕͋ͬͯɺօ͞Μͷ೔ৗ։ൃΛࢧ͍͑ͯΔ ԛׅ ྫ͑͹ɺ3BJMTͷίϯιʔϧͰɺҎԼͷίϚϯυΛ࣮ߦ ͨ͠ΒɺͲ͏ͳΔͷ͔ʁ ͡Όɺ3VCZͷ৔߹͸ʁ
6. Ͳ͏΍ͬͯͦΕ͕Θ͔ΔΑ͏ʹͳΔͷ͔ʁ ͪͳΈʹɺϝιουCMBOL ͕)BTIʹ΋࢖͑ͦ͏ͳͷͰɺ ͦΕ͕Ͳ͜ʹఆٛ͞Εͨͷ͔ʁ  ΋ͪΖΜɺάʔάϧઌੜʹฉ͘͜ͱ͕͋Δ͕ɺ 3VCZͰϝιουͷఆٛΛௐ΂Δํ๏ ΋͋Δ ԛׅ
    出典7: https://qiita.com/jnchito/items/fc8a61b421d026a23ffe 出典8: https://speakerdeck.com/igaiga/road-to-white-mages 出典9: https://docs.ruby-lang.org/ja/latest/method/Method/i/source_location.html Method#source_location ԛׅ
7. 出典10: https://github.com/rails/rails/blob/v6.0.1/activesupport/lib/active_support/core_ext/object/blank.rb#L103-L132 ԛׅ  ͍͍ͬͨɺͳͥͳͷ͔ʁ Railsで、Stringのためのblank?メソッドのソースコード ࣮ߦͷޮ཰Λߟྀͯ͠ɺ ࣮૷͞Ε͍ͯΔ ͍ΖΜͳCMBOLͷঢ়گΛରԠͰ ͖ΔΑ͏ʹɺઃܭ͞Ε͍ͯΔ Φοʂ ໘ന͍ʂ
8. ͍͍ͬͨɺͳͥͳͷ͔ʁ  Railsで、Hashのためのblank?メソッドのソースコード 出典11: https://github.com/rails/rails/blob/v6.0.1/activesupport/lib/active_support/core_ext/object/blank.rb#L93-L101 )BTIͷCMBOL ϝιου͸ɺ3VCZͷFNQUZ ϝιου ʢ$Ͱ࣮૷͞Ε͍ͯͨ΋ͷʣʹผ໊Λ෇͚Δ͜ͱͰɺ࣮ ૷͍ͯ͠ΔͨΊɺఆٛ৔ॴ͕OJMͱͳΔ ԛׅ
9.  ίπɿ ݺͼग़ͨ͠ϝιουͷఆٛݩ ʢ ϥΠϒϥϦʔઃܭҙਤ࣮૷ํ๏ʣ Λ஌Δɻ Λ஌Γɺͦͷௐࠪํ๏Λश͏ɻ
10. 3BJMTͰͷ෦෼ػೳΛߟ͑ͯΈΔ ྫ͑͹ɺ4USPOH
    QBSBNFUFS͕ͳͥඞཁͳͷ͔ʹ͍ͭͯ ٙ໰Λײͨ͜͡ͱ͕͋Δͷ͔ʁ 出典12: https://weblog.rubyonrails.org/2012/3/21/strong-parameters/  ԛׅ ΍Γ͍ͨ͜ͱ ඞཁͩͱߟ ͑Δཧ༝ 3BJMT
    ͔Β σϑΥϧτʹ ͳͬͨ
11.  3BJMT
    લͷ࣌୅ʹ͔͞ͷ΅Δ 出典13: https://guides.rubyonrails.org/v3.2.9/security.html Rails 3.2.9のセキュリティーガイド(⼀部) ԛׅ ΦϒδΣΫτΛ·Δ͝ͱ౉͢ ߈ܸऀʹѱ༻͞Εͯ͠·͏ Մೳੑ͕͋Δ
12.  3BJMT
    લͷ࣌୅ʹ͔͞ͷ΅Δ 出典14: https://guides.rubyonrails.org/v3.2.9/security.html Rails 3.2.9のセキュリティーガイド(⼀部) ԛׅ ౰࣌ͷରࡦ ΞΫηε ෆՄೳͳଐੑ ΞΫηε Մೳͳଐੑ ϞσϧͰ ໌֬ʹએݴ ͔͠͠ɺ͜ͷରࡦ͸ɺύϥϝʔλͷ੍ޚͱ͍͏ίϯτϩʔϥͷ໾ׂΛ Ϟσϧʹ౉͢ͱ͍͏ϑϨʔϜϫʔΫͷҰ؏ੑΛյͯ͠͠·͏ݒ೦͕͋Δɻ ͳΔ΄Ͳʂ
13.  ίπɿ 3BJMTʢ·ͨ͸ଞͷϥΠϒϥϦʔʣ Ͱͷػೳͷ։ൃܦҢΛ஌Δɻ ͦͷద༻৚݅Λ೺Ѳ͢Δɻ Λ஌Γɺ
14.  ίπɿ 3BJMT͕Ͳͷ໰୊Λղܾ͢ΔͨΊ ʹ࡞ΒΕͨͷ͔ɺͦͷݶք͕Ͳ ͜ͳͷ͔Λߟ͑ͯΈΔɻ
15. ͦΕΒͷ໰ʹରͯ͠ɺࢀߟʹͳ͓ͬͨ࿩ 出典15: https://slashdot.org/story/315605 出典16: https://speakerdeck.com/shinpeim/ruby-off-with-the-rails 出典17: https://builderscon.io/tokyo/2019/session/5acc1604-0f1f-493b-8025-364042db7123 …  ԛׅ ԛׅ
    
16. ࠓ೔ͷ࿩ͷ·ͱΊ  3BJMTͱ༑ୡʹͳΔͨΊͷ̏ͭͷίπ  ݺͼग़ͨ͠ϝιουͷఆٛݩΛ஌Γɺͦͷௐ ࠪํ๏Λश͏ɻ  3BJMT ·ͨ͸ଞͷϥΠϒϥϦʔ Ͱͷػೳͷ։ ൃܦҢΛ஌Γɺͦͷద༻৚݅Λ೺Ѳ͢Δɻ  3BJMT͕Ͳͷ໰୊Λղܾ͢ΔͨΊʹ࡞ΒΕͨͷ ͔ɺͦͷݶք͕Ͳ͜ͳͷ͔Λߟ͑ͯΈΔɻ
17. 0OF
    NPSF
    UIJOHʜ  $MBTTJͰɺ एख σΟϕϩούʔͱͯ͠ͷܦݧɾײ૝ ஌Βͳ͔ͬͨ͜ͱΛ஌Δ͜ͱ͸໘ന͍ɾָ͍͠ͱࢥ͏͕ɺ ୭Ͱ΋౴͑Λ΋͍ͬͯΔΘ͚Ͱ͸ͳ͍։ൃݱ৔ͷ ໰୊ʹରͯ͠ɺ ࣗ෼ʹͱͬͯɺϫΫϫΫ͢Δͱײͨ͡ॠؒ͸ 6OMFBSO
    
    -FBSO طଘͷ஌ࣝΛ֎͢༐ؾɻ ʮֶͼํʯΛֶͼଓ͚Α͏ɻ ࣦഊͯ͠΋͍͍ɻ ৽ֶ͍͠ͼʹ௅ઓ͠Α͏ɻ
18. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·͢ʂ https://corp.classi.jp/careers/ 
    8F
    BSF
    IJSJOH