おすすめ gem

Slideshare (http://www.slideshare.net/chocoby/gem-13022540) にアップロードしていたものですが、Speaker Deck にアップロードしてみました。
社内の LT で発表したものです。

1. ͓͢͢Ί
   HFN
   ͷ঺հ !DIP@DP 
   ։ൃ
   -5
2. HFN
   ͱ͸ʁ w 3VCZ
   ͷϥΠϒϥϦΛύοέʔδԽ͠ ͨ΋ͷ w 1)1
   Ͱ͍͏
   QFBS
   Έ͍ͨͳ΋ͷ w ύοέʔδ؅ཧγεςϜࣗମ͸
   3VCZ(FNT
   ͱݺͿ
3. Πϯετʔϧ $ gem install rails
4. ݕࡧ $ gem search -r mysql
5. *** REMOTE GEMS *** activerecord-jdbcmysql-adapter (1.2.2, 1.0.3 java) activerecord-mysql-adapter-flags (0.0.3) activerecord-mysql2-retry-ext (0.1.0) activerecord-mysql2legacydb-adapter (0.2.0) activerecord-mysql2spatial-adapter (0.4.2) activerecord-mysqlspatial-adapter (0.4.1) airblade-mysql_s3_backup (0.0.4) aqueduct-mysql (0.1.0) capistrano-mysqldump (1.06) create_rails_mysql_db (0.2.3) ...
6. ϩʔΧϧ
   HFN
   Ұཡ $ gem list
7. *** LOCAL GEMS *** abstract (1.0.0) actionmailer (3.2.1) actionpack (3.2.1) activemodel (3.2.1) activerecord (3.2.1) activeresource (3.2.1) activesupport (3.2.1) addressable (2.2.8) arel (3.0.0) awesome_print (1.0.2) ...
8. SVCZHFNTPSH
9. SVCZHFNTPSH
   ͱ͸ʁ w IUUQSVCZHFNTPSH w HFN
   ͷϗεςΟϯάαʔϏε w 1)1
   Ͱ͍͏
   QFBS
   Έ͍ͨͳ΋ͷ w  
   HFNT w  
   VTFST w HFN
   JOTUBMM
   ͸σϑΥϧτͰ
   SVCZHFNT
   Λݟʹߦ͘
10. CVOEMFS w SVCZHFNT
    ΑΓ্ҐϨΠϠʔͷύοέʔδ؅ ཧγεςϜ w ඞཁͱͳΔ
    HFN
    Λ
    (FNpMF
    ʹॻ͍͓ͯ͘
11. # Gemfile source 'https://rubygems.org' gem 'rails’ gem 'mysql2' ...
12. Πϯετʔϧ # Gemfile ʹهड़͞Εͨ gem ΛΠϯετʔϧ͢Δ $ bundle install
13. Կ͕͍͍ͷʁ w ͋ͷ
    HFN
    ͸։ൃ؀ڥʹ͸ೖ͍ͬͯΔ͚Ͳɺ ຊ൪؀ڥʹೖ͍ͬͯͳ͍ͷͰΞϓϦ͕ಈ͔ͳ ͍ʂͱ͍͏໰୊ΛղফͰ͖Δ w Πϯετʔϧ͢ΔόʔδϣϯΛݻఆͰ͖Δ w HFN
    ؒͷґଘؔ܎Λղܾͯ͘͠ΕΔ
14. ཁ͸ɺ#VOEMFS
    ͸؀ڥຖ ͷࠩҟΛͳͯ͘͘͠ΕΔ ΠΧͨ͠Ϡπ
15. ͓͢͢Ί
    HFNT w DVSSZCV
    ΍ࠓ΍͍ͬͯΔϓϩδΣΫτ Ͱ࢖༻͍ͯ͠Δओʹ
    3BJMT
    ޲͚ͷ
    HFN w ͔͜͜Β͕ຊ୊ͳ͸ͣͳͷͰ͕࣌ؒ͢ ͕ͳ͍ͷͰۦ͚଍Ͱ͍͖·͢
16. ೝূपΓ
17. %FWJTF
18. w ଟػೳͳೝূ༻ϥΠϒϥϦ w 0NOJ"VUI
    ͱ૊Έ߹ΘͤΔ͜ͱͰ
    'BDFCPPL
    ΍
    5XJUUFS
    ͳͲͱ
    0"VUI
    ೝ ূ͢Δ͜ͱ͕Ͱ͖Δ w ͪΐͬͱن໛͕େ͖͍ؾ΋͢Δ w IUUQTHJUIVCDPNQMBUBGPSNBUFD
19. %BUBCBTF
    "VUIFOUJDBUBCMF w Ұൠతͳ ೝূΛͯ͘͠ΕΔ w 3&45GVM
    ͳ
    63-
    ϧʔςΟϯάΛੜ੒
20. 3FHJTUFSBCMF w Ϣʔβʔొ࿥ɺฤू w %BUBCBTF
    "VUIFOUJDBUBCMF
    ͱ૊Έ߹ Θͤͯ࢖༻
21. 3FNFNCFSBCMF w ϩάΠϯঢ়ଶΛอ࣋
22. $POpSNBCMF w Ϣʔβʔొ࿥ˠૹ৴͞Εͨϝʔϧͷ
    63-
    Λ౿ΜͰ΋Βͬͯొ࿥׬ྃ
23. 3FDPWFSBCMF w ύεϫʔυΛ๨Ε·͔ͨ͠ʁˠૹ৴͞ ΕͨϝʔϧʹΑͬͯύεϫʔυΛϦ ηοτ
24. $BO$BO
25. $BO$BO
26. "OF$BO
27. 4IJ#B
28. w ݖݶपΓΛ৭ʑ΍ͬͯ͘ΕΔ w ؅ཧऀϢʔβʔͷಛݖͱ͔ w ʮ͜ͷ౤ߘΛ࡞੒ͨ͠ϢʔβʔͷΈ࡟আ͕Ͱ͖ Δʯͱ͍ͬͨνΣοΫΛεϚʔτʹߦ͑Δ w ೝূ͸୲౰֎ͳͷͰ
    %FWJTF
    ͳͲͱซ༻͢Δඞཁ ͕͋Δ w IUUQTHJUIVCDPNSZBOCDBODBO
29. # app/models/ability.rb class Ability include CanCan::Ability def initialize(user) user ||= User.new can :destroy, Post, user_id: user.id end end # app/controllers/posts_controller.rb class PostsController < ApplicationController before_filter :authenticate_user! load_and_authorize_resource # app/views/posts/edit.erb <% if can? :destroy, @user %> <%= link_to '࡟আ', posts, method: :delete %> <% end %>
30. σʔλϕʔεपΓ
31. FOVN@DPMVNO
32. w NJHSBUJPO
    Ͱ
    FOVN
    ܕΛ࢖༻Մೳʹ w ͜ΕΛ࢖Θͳͯ͘΋ແཧ΍Γॻ͚Δ͕ɺ TDIFNBSC
    ͕
    WBSDIBS 
    ͱ͔ʹͳΔͷ ͰΑΖ͘͠ͳ͍ w IUUQTHJUIVCDPNFMFDUSPOJDL FOVN@DPMVNO
33. GPSFJHOFS
34. w NJHSBUF
    ϑΝΠϧʹ؆୯ʹ֎෦Ωʔ੍໿Λه ड़ w BEE@GPSFJHO@LFZ DPNNFOUT
    QPTUT w FYFDVUF
    ϝιουΛ࢖༻͢Ε͹
    42-
    Ͱ΋ॻ ͚Δ͕ͪ͜Βͷ΄͏ָ͕ w IUUQTHJUIVCDPNNBUUIVIJHHJOT GPSFJHOFS
35. SBJMT@BDUT@BT@QBSBOPJE
36. w ࿦ཧ࡟আ w ΧϥϜʹ
    EFMFUFE@BU
    Λ௥Ճ͠ɺϞσϧʹ
    BDUT@BT@QBSBOPJE
    ͱॻ͚ͩ͘ w IUUQTHJUIVCDPNHPODBMPTTJMWB SBJMT@BDUT@BT@QBSBOPJE
37. ςετपΓ
38. 34QFD
39. w 5FTU6OJU
    ʹ୅ΘΔςεςΟϯάϑϨʔ ϜϫʔΫ w STQFDSBJMT
    ͱҰॹʹ࢖͏ͱ޾ͤʹͳΕΔ w IUUQTHJUIVCDPNSTQFDSTQFD
40. $BQZCBSB
41. w ౷߹ςετ༻ςεςΟϯάϑϨʔϜϫʔΫ w ϑΥʔϜʹ஋ΛೖΕͯ
    TVCNJU
    Λԡͯ͠ɺ Έ͍ͨͳ͜ͱΛ
    %4-
    Ͱॻ͚Δ w IUUQTHJUIVCDPNKOJDLMBT DBQZCBSB
42. (VBSE
43. w ϑΝΠϧΛฤूͨ͠ΒࣗಈͰςετΛ࣮ߦ w IUUQTHJUIVCDPNHVBSEHVBSE
44. 4QPSL
45. w SBLF
    TQFD
    ͷىಈ஗͗͢ϫϩλ w %3C
    ͱݺ͹ΕΔ෼ࢄΦϒδΣΫτϓϩά ϥϛϯά༻ͷαʔόʔʹ
    3BJMT
    Λϩʔυ͠ ͓ͯ͘ w ىಈ଎͗͢ϫϩλ w IUUQTHJUIVCDPNTQPSLSCTQPSL
46. ศརͳϠπΒपΓ
47. $BSSJFS8BWF
48. w ը૾ͷΞοϓϩʔυ ը૾͡Όͳͯ͘΋ྑ͍ w ଟػೳ ը૾ͷϦαΠζ΍ΫϩοϓͳͲ w GPH
    ͱҰॹʹ࢖༻͢Δ͜ͱͰɺ"84
    4ɺ
    (PPHMF
    4UPSBHF
    ͳͲͷετϨʔδʹ؆୯ʹ ը૾Λอଘ͢Δ͜ͱ͕Ͱ͖Δ w IUUQTHJUIVCDPNKOJDLMBT DBSSJFSXBWF
49. $BQJTUSBOP
50. w σϓϩΠπʔϧ w %4-
    Ͱॻ͚Δ w ͕ɺ׳Εͳ͍ͱઃఆ͕ͩΔ͍ w ϦϞʔταʔόʔͰίϚϯυΛ͚ͨͨΔҝɺσ ϓϩΠҎ֎Ͱ΋࢖༻Մೳ Կ͔ΛΠϯετʔϧ͢ Δͱ͔ w IUUQTHJUIVCDPNDBQJTUSBOPDBQJTUSBOP
51. BXFTPNF@QSJOU
52. w Q
    ΍
    QQ
    ΑΓΦϒδΣΫτΛݟ΍͘͢
    DPOTPMF
    ʹදࣔͯ͘͠ΕΔ w ΧελϚΠζՄೳ w IUUQTHJUIVCDPNNJDIBFMEW BXFTPNF@QSJOU
54. ྑ͍ײ͡ͳ
    HFN
    ͕ ͋ͬͨΒڭ͑ͯԼ͞ ͍ɻ͓ئ͍͠·͢ɻ
55. ͝ਗ਼ௌ͋Γ͕ͱ͏͝ ͍͟·ͨ͠ɻ