20歳の僕が経験した Perlエンジニアへの道

Transcript

1. 20ࡀͷ๻͕ܦݧͨ͠ PerlΤϯδχΞ΁ͷಓ גࣜձࣾϛΫγΟ ഡݪ ྋհ @raryosu 
   :"1$5PLZP
   ϥϯνηογϣϯ

2. ͜ͷϓϨθϯʹ͍ͭͯ 1FSMΛॻ͍ͨ͜ͱ͕ͳ͍৽ଔΤϯδχΞ
   
   ͕
   1FSMΛॻ͘8FCΤϯδχΞͱͯ͠ಇ͍ͯ
   ԿΛײͨ͡ͷ͔ΛޠΔ

3. ࣗݾ঺հ ͸͗͸Β Γΐ͏͚͢ ഡݪ ྋհ ‣ ΒΓΐ͢
   !SBSZPTV
   ‣ ೥ੜ·Ε
   ࡀ
   ‣

   ೥݄
   ৽ଔೖࣾʢߴઐଔʣ
   ‣ NJOJNPࣄۀ෦
   ΤϯδχΞʢ։ൃάϧʔϓ༡ܸνʔϜʣ
   ‣ αʔόαΠυ։ൃɾ$9ϏδωεαΠυ౳ͷαϙʔτ

4. NJOJNP αϩϯελοϑ௚઀༧໿αʔϏε ඒ༰ࢣɾωΠϦετ
   FUD
   ʹ௚઀༧໿

5. NJOJNP αϩϯελοϑ௚઀༧໿αʔϏε ඒ༰ࢣɾωΠϦετ
   FUD
   ʹ௚઀༧໿ ສμ΢ϯϩʔυ
   ͋Γ͕ͱ͏ʂʂʂʂʂ

6. NJOJNP ୅ʙ୅ͷए͍ঁੑʹ
   େਓؾͷαʔϏε

7. ୅ʙ୅ͷए͍ঁੑʹ
   େਓؾͷαʔϏε NJOJNP

8. ͜ͷϓϨθϯʹ͍ͭͯ 1FSMΛॻ͍ͨ͜ͱ͕ͳ͍৽ଔΤϯδχΞ
   
   ͕
   1FSMΛॻ͘8FCΤϯδχΞͱͯ͠ಇ͍ͯ
   ԿΛײͨ͡ͷ͔ΛޠΔ

9. ഑ଐ

10. ഑ଐͷํ๏ ৽ଔ഑ଐͷΩʔϫʔυ
    ଟ֯తͳࢹ఺͔Β੒௕Ͱ͖Δ؀ڥ΁ΞαΠϯ

11. ഑ଐͷํ๏ ‣ ٕज़ྖҬࣥߦ໾һ ҎԼ$50 ɾਓࣄͱͷPO
    ‣ ֤෦ॺͱ໘ஊ
    ‣ $50ʹΑΔਪન෦ॺ
    ‣

    ຊਓر๬෦ॺ
    ‣ ෦ॺ͔Βͷࢦ໊
    ‣ ֤໘ஊʹ͍ͭͯ໘ஊઌͱຊਓ͔ΒϑΟʔυόοΫ
    ‣ $50ͱਓࣄʹΑͬͯ഑ଐΛܾఆ
    

12. NJOJNPͷ഑ଐ໘ஊ Ͳ͏͍͏෼໺ʹڵຯ͋Δʁ Ϛωʔδϟ

13. NJOJNPͷ഑ଐ໘ஊ Ͳ͏͍͏෼໺ʹڵຯ͋Δʁ ΢ΣϒϑϩϯτͰ͢ʂ
    Ͱ΋ɼ෯޿͘΍Γ͍ͨͰ͢ɽ
    ΤϯδχΞϦϯά΋ͦΕҎ֎΋ʂ Ϛωʔδϟ

14. NJOJNPͷ഑ଐ໘ஊ Ͳ͏͍͏෼໺ʹڵຯ͋Δʁ ΢ΣϒϑϩϯτͰ͢ʂ
    Ͱ΋ɼ෯޿͘΍Γ͍ͨͰ͢ɽ
    ΤϯδχΞϦϯά΋ͦΕҎ֎΋ʂ ͏ͪͰ͸গ͠1FSM΋ॻ͚͘Ͳ
    େৎ෉ʁ Ϛωʔδϟ Ϛωʔδϟ

15. NJOJNPͷ഑ଐ໘ஊ Ͳ͏͍͏෼໺ʹڵຯ͋Δʁ ΢ΣϒϑϩϯτͰ͢ʂ
    Ͱ΋ɼ෯޿͘΍Γ͍ͨͰ͢ɽ
    ΤϯδχΞϦϯά΋ͦΕҎ֎΋ʂ ͏ͪͰ͸গ͠1FSM΋ॻ͚͘Ͳ
    େৎ෉ʁ 1FSMॻ͍ͨ͜ͱͳ͍͠Α͘஌ΒΜ͚Ͳ
    ͕Μ͹Γ·͢ʂ΋ʔ·Μ͍ͨͰ͢ʂ Ϛωʔδϟ

    Ϛωʔδϟ

16. NJOJNPͷ഑ଐ໘ஊ 1FSMॻ͍ͨ͜ͱͳ͍͠Α͘஌ΒΜ͚Ͳ
    ͕Μ͹Γ·͢ʂ΋ʔ·Μ͍ͨͰ͢ʂ

17. NJOJNPͷ഑ଐ໘ஊ ‣ 1FSMͩΖ͏ͱͳΜͩΖ͏ͱษڧʹͳΓͦ͏ʜ
    ‣ αʔϏε΋෦ॺ΋ྑͦ͞͏
    ‣ ΍Γ͍ͨ͜ͱΛߟ͑Δͱ࠷΋Ϛον͢Δ
    ‣ 1FSMΛʮݏʯͬͯݴ͑Δཧ༝΋ͳ͍ͳʜ 1FSMॻ͍ͨ͜ͱͳ͍͠Α͘஌ΒΜ͚Ͳ
    

    ͕Μ͹Γ·͢ʂ΋ʔ·Μ͍ͨͰ͢ʂ

18. ແࣄʹʜ NJOJNP΁ͷ഑ଐ͕ܾఆ
    

19. ̼JOJNPͷϓϩμΫτ Application Server Mojolicious εϚϗΞϓϦ αϩϯ޲͚༧໿؅ཧγεςϜ Web൛αʔϏε API (JSON RPC)

20. NJOJNPͷϓϩμΫτ αϩϯ޲͚༧໿؅ཧγεςϜ εϚϗΞϓϦ iOS: Swift, Obj-C Android: Kotlin, Java API,

    WebΞϓϦέʔγϣϯ Perl (Mojolicious) Perl (Mojolicious), React ܝࡌऀ޲͚Φ΢ϯυϝσΟΞ WordPress

21. ΒΓΐ͢ͷकඋൣғ
    ʙϓϩμΫτʙ αϩϯ޲͚༧໿؅ཧγεςϜ εϚϗΞϓϦ iOS: Swift, Obj-C Android: Kotlin, Java API,

    WebΞϓϦέʔγϣϯ Perl (Mojolicious) Perl (Mojolicious), React ܝࡌऀ޲͚Φ΢ϯυϝσΟΞ WordPress

22. ΒΓΐ͢ͷकඋൣғ
    ʙϓϩμΫτʙ αϩϯ޲͚༧໿؅ཧγεςϜ εϚϗΞϓϦ iOS: Swift, Obj-C Android: Kotlin, Java API,

    WebΞϓϦέʔγϣϯ Perl (Mojolicious) Perl (Mojolicious), React ܝࡌऀ޲͚Φ΢ϯυϝσΟΞ WordPress Web൛αʔϏεΛ୲౰͢Δ ϝΠϯΤϯδχΞͱͯ͠഑ଐ

23. ΒΓΐ͢ͷकඋൣғ
    ʙͦͷଞʙ ΧελϚʔαϙʔτ
    $4
    ༻؅ཧπʔϧ
    $4޲͚ΤϯδχΞϦϯάࢧԉʢՄࢹԽ౳ʣ
    #4޲͚ΤϯδχΞϦϯάࢧԉʢՄࢹԽ౳ʣ
    ʜFUD

24. ࢖͏πʔϧɾݴޠͳͲ ‣ 1FSM
    .PKPMJDJPVT
    ‣ )5.-
    
    $44
    4$44
    ‣

    .Z42-
    ‣ 3FEBTI
    ʢσʔλՄࢹԽʣ
    ‣ "84
    &$
    4
    3PVUF
    3%4
    4&4
    FUD
    FUD

25. ഑ଐ࣌఺ͰͷΒΓΐ͢ͷΤϯδχΞϦϯάͷϨϕϧ ‣ 1FSM͸ॻ͍ͨ͜ͱͳ͍
    ‣ 1FSMΛॻ͖ͨ͘ͳ͍ͱ͍͏ؾ࣋ͪ͸ͳ͍
    ‣ ߴઐଔ
    ‣ όΠτͰ3BJMTͰ࡞ΒΕͨγεςϜͷอकΛͯͨ͠
    ‣

    .7$͸஌ͬͯΔɽΞʔΩςΫνϟʹ͍ͭͯ͸ޠΕͳ͍

26. 1FSMͷڭҭͱۀ຿

27. ຖேઌഐʹ4MBDLͰ

28. ڭ͑ͯ΋Βͬͨ͜ͱͷҰ෦ ‣ 1FSMʹ͍ͭͯ
    ‣ ίϯςΩετ
    ‣ جຊతͳจ๏
    ‣ ଞύοέʔδͷϝιουݺͼग़͠ͷ࢓ํ
    ‣

    ಛघͳߏจʢܕάϩϒͳͲʣ

29. ڭ͑ͯ΋Βͬͨ͜ͱͷҰ෦ ‣ .PKPMJDJPVT΍NJOJNPͷίʔυʹ͍ͭͯ
    ‣ σΟϨΫτϦߏ੒
    ‣ %#ͷߏ੒
    ‣ NJOJNP΍NJYJͰ࢖͍ͬͯΔศརϞδϡʔϧ
    ‣

    3PVUJOH΍)FMQFSͷஔ͖৔ͱ͔

30. ࣮૷Ͱ͍᪴ͨͱ͖ ઌഐͨͪ͸ʮਖ਼ղʯ͸ڭ͑ͯ͘Εͳ͍
    ඞཁͱͳΔʮώϯτʯΛ͘ΕΔ

31. ͭ·Γʜ ҰਓͰࣗ૸Ͱ͖Δ؀ڥΛ࡞ͬͯ͘Εͨ

32. ࡀͰ1FSMΛ͔͍ͯ
    Ͳ͏ࢥͬͨʁ

33. ࡀͰ1FSMΛॻ͍ͯͲ͏ࢥͬͨʁ 1FSM
    Λॻ͘ͷ͸ָ͍͠ʂ
    ͦͯ͠ɼֶͼ͕ଟ͍ʂ

34. 1FSM͸ָ͍͠ 5IFSF`T
    .PSF
    5IBO
    0OF
    8BZ
    5P
    %P
    *U
    ॻ͖ํʹਓ͕ؒग़Δ
    ʮͲ͏ॻ͜͏ʁʯʮͲ͏ॻ͘ͷ͕εϚʔτʁʯΛߟ͑Δ
    ઌഐͨͪͱʮͲ͏͠Α͏ʯΛٞ࿦͢Δ

35. ֶͼ͕ଟ͍ .PKPMJDJPVT͸ൺֱతʮബ͍ʯ8"'
    ࣗ෼Ͱॻ͘ɾಡΉɾֶͿ
    ͜ͱ͕ଟ͍ʂ
    ΢ΣϒαʔϏεͷαʔόαΠυΛֶͿͷʹஸ౓͍͍ʁ
    গͳ͘ͱ΋ࣗ෼͸ʮϥοΩʔʯͩͱࢥ͍ͬͯΔ

36. ͱ͸͍͑Α͘Θ͔Βͳ͍͜ͱ΋ଟ͔ͬͨ ‣ σϦϑΝϨϯεΛ๨Εͯਏ͍
    ‣ $#array = 20 ‣ ॳݟͩͱΑ͘Θ͔Βͳ͍
    ‣

    (sort { $a <=> $b } @hoge)[0] ‣ Α͘Θ͔Βͳ͍
    ‣ List::Util::reduce{ $a<$b ? $a: $b }@hoge ‣ ্ͷ΍ͭ͸͜ΕͰऔΕΔ͠ແବ͕গͳ͍…

37. ੒௕

38. ײͨ͡੒௕ ‣ ΑΓྑ͍࣮૷ํ๏Λߟ͑ΒΕΔΑ͏ʹͳͬͨ
    ‣ ಡΈ΍͘͢ҙਤ͕఻ΘΓ΍͍͢ίʔυΛॻ͚ΔΑ͏ʹ
    ‣ େن໛αʔϏε͕Ͳ͏ಈ͍͍ͯΔ͔ཧղͨ͠
    ‣ ΞʔΩςΫνϟ΁ͷڵຯ͕༙͍ͨ
    ‣

    ଞͷݴޠΛֶͿҙཉʹͭͳ͕ͬͨ

39. ͜Ε͔Β

40. ࠷ۙ͸(PΛֶΜͰ͍·͢

41. 8IZ
    (P ‣ 1FSMͱ͸झ͕ҧָͬͯͦ͠͏͔ͩΒ
    ‣ ࠷ۙྲྀߦ͍ͬͯΔ͔Β
    ‣ NJOJNPͷαʔόαΠυΛ(PͰॻ͖௚͍ͯ͠Δ͔Β

42. 8IZ
    (P ‣ 1FSMͱ͸झ͕ҧָͬͯͦ͠͏͔ͩΒ
    ‣ ࠷ۙྲྀߦ͍ͬͯΔ͔Β
    ‣ NJOJNPͷαʔόαΠυΛ(PͰॻ͖௚͍ͯ͠Δ͔Β

43. ·ͱΊ

44. ·ͱΊ ‣ 1FSM͕ʮݏʯͱ͍͏ઌೖ؍͕ͳ͚Ε͹ࡀ΋ॻ͘
    ‣ ࣗ૸Ͱ͖Δ؀ڥ͑͋͞Ε͹ֶͿ͜ͱ͕ଟ͍ݴޠ
    ‣ 8FCαʔϏεͷجૅΛ͔ͬ͠ΓֶͿ͜ͱ͕Ͱ͖͍ͯΔ
    ‣ 1FSMΛ͔͚ͯϥοΩʔ
    ‣

    ଞͷݴޠΛֶͿҙཉʹ΋ͭͳ͕ͬͨ

45. c
 ʯʀ̻ 8F
    BSF
    IJSJOH
    IUUQTNJYJDPKQSFDSVJU

46. None