How we built "Oyasumi Shower" in 24 Hours. おやすみシャワーができるまで

16 September, 2012
Sapporo RubyKaigi 2012 #sprk2012
http://sapporo.rubykaigi.org/2012/en/schedule/details/14.html

Transcript

1. How We Built “Oyasumi Shower” in 24 Hours ͓΍͢Έγϟϫʔ͕Ͱ͖Δ·Ͱ Yoji Shidara Team OyasumiSupport#end_of_day Enishi Tech Inc.
2. Let me introduce ·ͣ͸͡Ίʹ
3. the most important Japanese word ԿΑΓ΋େࣄͳ೔ຊޠΛ ͝঺հ͠·͢
4. in my talk :) ͜ͷൃදͷதͰ Ұ൪େࣄͳ೔ຊޠ͔΋
5. “Oyasumi” ʮ͓΍͢Έʯ
6. Do you know “Oyasumi”? ޚଘ஌Ͱ͔͢ʁ
7. Repeat after me :) ΋͏Ұ౓!
8. “Oyasumi” ʮ͓΍͢Έʯ
9. “Oyasumi” means ʮ͓΍͢Έʯͱ͍͏ͷ͸
10. “Good night” “Good night” ͷ͜ͱͰ͢
11. So, ͔ͩΒ
12. Tonight, after you get drunk, ࠓ໷͔ͬ͢Γਲͬ෷ͬͯ ؼΔͱ͖ʹ͸ɺ
13. Say “Oyasumi” ʮ͓΍͢ΈʯΛ ࢖ͬͯΈ͍ͯͩ͘͞
15. Let me back to the title... λΠτϧʹ໭Γ·͢
16. How We Built “Oyasumi Shower” in 24 Hours ͓΍͢Έγϟϫʔ͕Ͱ͖Δ·Ͱ Yoji Shidara Team OyasumiSupport#end_of_day Enishi Tech Inc.
17. Let me switch to Japanese... ͦΖͦΖ೔ຊޠͰ...
18. We built “Oyasumi Shower” ࢲͨͪ͸ ʮ͓΍͢Έγϟϫʔʯͱ͍͏ ϓϩμΫτΛ
19. for the 24-hour Hackathon Competition. 24࣌ؒͰ։ൃ͠ ίϯςετʹԠื͠·ͨ͠
20. We won the “special prize” ͦͯ͠ ಛผ৆Λड৆͠·ͨ͠
21. CC-BY 2.0 http://www.flickr.com/photos/sora_h/7326377068/
22. During the process, ͦͷͳ͔Ͱ
23. we’ve found some “tips” to enjoy the contest. ίϯςετΛָ͠ΉίπΛ ͍͔ͭ͘ݟ͚ͭ·ͨ͠
24. Today, I want to share our tips with you. ͦΕΛΈͳ͞Μͱ ڞ༗͍ͨ͠ͱࢥ͍·͢
25. You might say, ΋͔͢͠Δͱ
26. Just a contest. ͨͩͷίϯςετ͡Όͳ͍͔
27. Just 24 hours. ͨͬͨ24࣌ؒ͡Όͳ͍͔
28. Right. ͦ͏ࢥ͏͔΋͠Ε·ͤΜ
29. Just a contest. ͔ͨ͠ʹίϯςετͩ͠
30. Just 24 hours. ͨͬͨ24࣌ؒͷ͜ͱͰ͢
31. But... ͚ͩͲ...
32. Our life is just a series of 24 hours. ࢲͨͪͷ೔ʑͱ͍͏ͷ͸ ͦͷ24࣌ؒͷ࿈ଓ͔ͩΒ
33. Thinking about how to enjoy the whole 24-hour 24࣌ؒͷָ͠ΈํΛ ߟ͑Δ͜ͱ͸
34. leads us to think about how to enjoy our life. Ͳ͏΍ͬͯ೔ʑΛָ͠Ή͔ʹ ͭͳ͕͍ͬͯΔͱࢥ͏ͷͰ͢
35. So, I want to share our tips with you. ͔ͩΒ ͦͷίπΛΈͳ͞Μͱ ڞ༗͍ͨ͠ͱࢥ͍·͢
36. How we code is Ͳ͏͍͏;͏ʹͯ͠ίʔυΛ ॻ͍͍ͯ͘ͷ͔ͱ͍͏ͷ͸
37. how we live, ͲͷΑ͏ʹੜ͖͍͔ͯ͘ ͱ͍͏͜ͱʹҧ͍ͳ͍
38. for us, programmers. ࢲͨͪ͸ϓϩάϥϚ͔ͩΒ
39. Through the contest, I want to think about that. ίϯςετΛ௨ͯ͡ ͦͷ͜ͱʹ͍ͭͯߟ͑·͢
41. About “Oyasumi Shower”. ͓΍͢Έγϟϫʔʹ͍ͭͯ ͓࿩͠·͠ΐ͏
42. We built it for COOKPAD 24-hour Hackathon Competition. ΫοΫύου ։ൃίϯςετ24ͷͨΊʹ ࢲୡ͕ͭͬͨ͘ϓϩμΫτͰ͢
43. The contest is to develop applications based on the theme. ίϯςετͰ͸ ՝୊Λղܾ͢Δ։ൃΛ 24࣌ؒͰߦ͍·͢
44. The challenge of this year was ࠓ೥ͷ՝୊͸
45. “Create a service that will make the day end on a fun note.” “Ұ೔ͷऴΘΓΛ ָ͘͢͠Δ΋ͷ”
46. Our product was an iPhone app to share “Oyasumi” ࢲୡ͕࡞ͬͨͷ͸ ʮ͓΍͢ΈʯΛڞ༗͢Δ iPhone ΞϓϦέʔγϣϯͰ͢
47. The traditional “Oyasumi” was only for the closest people. ैདྷͷʮ͓΍͢Έʯ͸ ͘͝਌͍ؒ͠ฑͷ ͨΊͷ΋ͷͰͨ͠
48. With “Oyasumi Shower”, you can exchange “Oyasumi” across time and space. ͓΍͢ΈγϟϫʔΛ࢖͏ͱ ʮ͓΍͢ΈʯମݧΛ ۭ࣌Λ௒͑ͯ޿͘ڞ༗Ͱ͖·͢
49. Demo movie (I’ll try to translate...) σϞಈըΛ͝ཡ͍ͩ͘͞
51. When you start “Oyasumi Shower”, ʮ͓΍͢ΈγϟϫʔʯΛ ىಈ͢Δͱɺ
52. A chorus of “Oyasumi” comes from your iPhone. ΈΜͳͷʮ͓΍͢Έʯ͕ iPhone͔Βฉ͖͑ͯ͜·͢
53. Then, you record and your “Oyasumi” for the others. ͜ͷ͋ͱʹདྷΔਓͷͨΊʹ ͋ͳͨͷʮ͓΍͢ΈʯΛ ࿥Ի͠·͢
54. Someone uses the app after you will hear your Oyasumi. ͦͷ͋ͱʹདྷͨਓ͕ ͋ͳͨͷʮ͓΍͢ΈʯΛ ฉ͘͜ͱ͕Ͱ͖·͢
56. 9 am Start! 3 pm 9 pm 3 am
57. How will you spend the 24 hours? ͋ͳͨͳΒͲ͏࢖͍·͔͢ʁ
58. 9 am Start! 3 pm 9 pm 3 am
59. Our 24 hours were like this: ࢲୡͷ24࣌ؒ͸ ͜Μͳײ͡Ͱͨ͠
60. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
61. How do you feel? Ͳ͏ײ͡·ͨ͠?
62. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
63. In order to tell you how we decided what to make for the contest, ԿΛͭ͘Δͷ͔Λ Ͳ͏΍ܾͬͯΊ͔ͨΛ ঺հ͢ΔͨΊʹ
64. I need to talk about our team. ·ͣࢲୡʹ͍͓ͭͯ࿩͠·͢
65. Team OyasumiSupport#end_of_day
66. I live in Sapporo. The other members live in Tokyo. ࢲ͸ࡳຈʹ ଞͷϝϯόʔ͸౦ژʹ ॅΜͰ͍·͢
67. Team OyasumiSupport#end_of_day Sapporo, Hokkaido Omori, Tokyo Kamata, Tokyo
68. We’ve used PlayStation 3’s video chat and Skype. ओʹϓϨΠεςʔγϣϯ3ͷ ϏσΦνϟοτͱ Skype Λ࢖͍·ͨ͠
69. A member had to commute soon after the contest started. ͋Δϝϯόʔ͕ ίϯςετ։࢝௚ޙʹిंʹ ৐Δඞཁ͕͋Γ·ͨ͠
70. Unfortunately. Fortunately. ࢒೦ͳ͕Β ͍͑ɺ޾ӡͳ͜ͱʹ
71. He was on the train with earphones. We talked online and he heard. ൴͸ిं಺ͰΠϠϗϯΛ͚ͭͯ ࢲୡͷձ࿩Λฉ͍͍ͯ·ͨ͠
72. We heard his surroundings. We felt like really being there. ࢲୡʹ͸ࡶ౿͕ฉ͖͑ͯͯ͜ ྟ৔ײͨͬ΀ΓͰͨ͠
73. As he couldn’t say anything, we’ve tried to make him laugh. ిं಺Ͱ͸੠Λग़ͤͳ͍ͷΛ ͍͍͜ͱʹ ๻Β͸൴Λ সΘͤΑ͏ͱͨ͠Γ͠·ͨ͠
74. We enjoyed that time so much and felt “sounds” are so fun. ͦ͏͜͏͍ͯ͠Δ͏ͪ Իͬͯ໘ന͍ͳͱײ͡·ͨ͠
75. Without it, we couldn’t have reached to the key concept of Oyasumi Shower. ͦΕ͕ͳ͔ͬͨΒ͓΍͢Έγϟ ϫʔͷΩʔίϯηϓτʹ͸ ౸ୡͰ͖ͳ͔ͬͨ͜ͱͰ͠ΐ͏
76. In this way, we decided to use “sounds”. ͦΜͳ෩ʹͯ͠ ԻΛ࢖͏͜ͱʹͳΓ·ͨ͠
77. The best word to exchange at the end of the day is Ұ೔ʹ࠷ޙʹԻΛަ׵͢Δ ͱ͍͑͹
78. Oyasumi ʮ͓΍͢ΈʯͰ͢ΑͶ
79. What I am talking about? Կͷ࿩Ͱ͚ͨͬ͠
80. Tip: Prank is the source of ideas. ѱϊϦ͸ΞΠσΟΞͷݯ
81. We are “voting” ideas while laughing. ๻Β͸স͍ͬͯΔؒʹ ໘ന͍ΞΠσΟΞΛ બผ͍ͯ͠ΔͷͰ͢
82. Interesting ideas keep us funny long time. (As we want to have fun!) ໘ന͍ΞΠσΟΞʹ͍ͭͯ ࿩͢ͱ͖ ϫΠϫΠ͸ࢭ·Βͳ͍
83. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
84. Then how to record and playback the sound? Ͳ͏΍ͬͯԻΛ ࿥Իͨ͠Γ࠶ੜͨ͠Γ ͢ΔͱΑ͍Ͱ͠ΐ͏
85. We decided to make an iPhone app iPhone ΞϓϦΛͭ͘Ζ͏ ͱ͍͏͜ͱʹͳΓ·ͨ͠
86. Where to exchange “Oyasumi”? ʮ͓΍͢Έʯͬͯݴ͏ͷ͸ Ͳ͜Ͱ͠ΐ͏ʁ
87. Bedrooms in common. ৸͕͓͓͍ࣨͷͰ͸
88. Few people use laptops in their bedroom (except us) ৸ࣨͰPCΛ࢖͏ਓ͸ ͦ͏ଟ͘ͳ͍͸ͣ
89. But no one had experience to treat audio on iPhone νʔϜͷ୭΋ iPhoneͰԻ੠Λѻͬͨ ܦݧ͸͋Γ·ͤΜͰͨ͠
90. We challenged! ͚ΕͲ ௅ઓͯ͠Έ·ͨ͠
91. As we had Rails experience, Rails ͷܦݧ͸͋ͬͨͷͰ
92. we could build a web service to exchange “Oyasumi” text messages. ςΩετϝοηʔδͰ ͓΍͢ΈΛަ׵͢Δ αΠτͳΒ͙͢࡞Εͦ͏Ͱͨ͠
93. But that idea didn’t attract us. Ͱ΋͋Μ·Γָͦ͠͏ʹ͸ ࢥ͑ͳ͔ͬͨ
94. So we tried to build iPhone app ͔ͩΒ iPhone ΞϓϦΛ ͭͬͯ͘ΈΔ͜ͱʹ͠·ͨ͠
95. As building native apps in 24 hours seemed to be too difficult for us, ωΠςΟϒΞϓϦέʔγϣϯ͸ 24࣌ؒͰ͸खʹ༨ΔͷͰ
96. Cordova (PhonGap) was chosen Cordova (PhoneGap) Λ ࢖͍·ͨ͠
97. We did timeboxed survey for feasibility evaluation. ࣮ݱՄೳੑΛௐ΂ΔͨΊʹ ࣌ؒΛ۠੾ͬͯௐࠪ͠·ͨ͠
98. And we thought we could go! ͦͷ··ਐΊͦ͏ͩͱ͍͏ ײ৮Λಘ·ͨ͠
99. Doing things that seem easy is not exciting. ؆୯ͦ͏ʹࢥ͑Δ͜ͱ͸ ϫΫϫΫ͠ͳ͍
100. Tip: Do the right-level challenge ͪΐ͏Ͳ͍͍௅ઓΛ͢Δ
101. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
102. We used Sinatra for the backend. Sinatra ΛόοΫΤϯυʹ ࢖͍·ͨ͠
103. Just receive the audio, mixup them and return back to the client. Ի੠Λड৴͠ɺ߹੒ͯ͠ ΫϥΠΞϯτʹฦ͠·͢
104. This didn’t take so long. Thanks to ruby :) ͜ͷ෦෼͸ൺֱత୹͍࣌ؒͰ Ͱ͖·ͨ͠
105. I was familiar with it. ׳Ε͍ͯͨͱ͍͏ͷ΋େࣄͰ͢
106. We had no time to learn the deployment for the rack apps. Rack ΞϓϦέʔγϣϯͷ σϓϩΠํ๏Λௐ΂͍ͯͨΒ ؒʹ߹Θͳ͔ͬͨ͜ͱͰ͠ΐ͏
107. We did challenge in some part, and did not in the other part. ௅ઓͨ͠ͱ͜Ζ΋͋Δ͠ ͠ͳ͔ͬͨͱ͜Ζ΋͋Γ·͢
108. In order to have a good challenge, we need to complete the other part. Α͍௅ઓ͢ΔͨΊʹ͸ ͦ͏Ͱͳ͍෦෼Λ͖ͪΜͱ ࡁ·ͤΔඞཁ͕͋Γ·͢
109. To do so, ͔ͩΒେࣄͳͷ͸
110. Tip: Have tools lie comfortably with your hand in your toolbox. खʹೃછΜͩಓ۩Λ ಓ۩ശʹೖΕ͓ͯ͘
111. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
112. In the first 6 hours, we made a prototype ։͔࢝Β6࣌ؒܦաͯ͠ ϓϩτλΠϓ͕ग़དྷ͖ͯ·ͨ͠
113. that could record “Oyasumi”, send it to the server, receive and playback. ࿥Իɺαʔόʹૹ৴ɺ αʔό͔Βड৴ͨ͠Ի੠Λ࠶ੜ ͢Δͱ͜Ζ·Ͱ͖·ͨ͠
115. We could experience the app by hitting buttons in the right order. ॱংྑ͘ϘλϯΛԡ͢͜ͱͰ ΞϓϦΛମݧͰ͖Δͱ͜Ζ·Ͱ ͖·ͨ͠
116. We felt we can go as it was fun enough for us. ͦΕ͸ָ͍͠ମݧͩͬͨͷͰ ͜Ε͸͍͚Δͱ͍͏ؾ࣋ͪʹ ͳ͖ͬͯ·ͨ͠
117. With the prototype, we proceeded discussion about the Oyasumi UX. ϓϩτλΠϓΛ࢖͍ͳ͕Β ͋Δ΂͖Ϣʔβମݧͷݕ౼Λ ͢͢Ί͍͖ͯ·ͨ͠
118. Tip: A working prototype is worth a thousand words ಈ͘΋ͷΛ৮ͬͯΈΔͷ͕େࣄ
119. Next, we tried to finish chores for release. ࣍ʹϦϦʔεͷ४උΛ ࡁ·ͤΔ͜ͱʹ͠·ͨ͠
120. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
121. Don’t you feel too early? ૣ͗͢ͳ͍ʁͬͯࢥ͍·ͨ͠ʁ
122. iPhone apps seemed to be difficult to deploy. iPhoneΞϓϦΛ ϦϦʔε͢Δͷ͸େมͦ͏ͩ ͱ͍͏ෆ͕҆͋Γ·ͨ͠
123. If we couldn’t submit the app, we were far from the start line of the contest. ΞϓϦΛެ։Ͱ͖ͳ͍Α͏Ͱ͸ ελʔτϥΠϯʹ͢Βཱͯͳ͍
124. We reduced that risk. ͔ͩΒ ϦεΫΛݮΒ͢͜ͱʹ͠·ͨ͠
125. Also, capistrano was configured for the backend. As usual :) όοΫΤϯυ͸ capistrano Ͱ σϓϩΠ͢ΔΑ͏ʹ͠·ͨ͠ ׳Εͨ΋ͷͰ͢:)
126. Tip: Can’t be done before shipping ϦϦʔεͰ͖ͳ͍ͱ ελʔτϥΠϯʹ΋ཱͯͳ͍
127. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
128. What we had at that time was just a mock. ͜ͷ࣌఺Ͱखݩʹ͋ͬͨͷ͸ ͨͩͷϞοΫͰͨ͠
129. Playing with the prototype, we designed the user experience. ϓϩτλΠϓͰ༡ͼͳ͕Β ͋Δ΂͖ϢʔβମݧΛ ߟ͍͖͑ͯ·ͨ͠
130. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
131. At this time, We had a kaigi to name the product. ͜ͷλΠϛϯάͰ ϓϩμΫτ໊ܾఆձٞ΋ ࣮ࢪ͠·ͨ͠
132. Of course, the meeting was so prankish :) ѱϊϦձٞͰ͢
133. For example, “OyaaS : Oyasumi as a Service” ͓΍ʔ͢ͱ͔
134. We found the name “Oyasumi Shower” ʮ͓΍͢Έγϟϫʔʯ ͱ͍͏໊લΛݟ͚ͭ·ͨ͠
135. And we got the phrase “sleep after taking Oyasumi Shower” ʮ͓΍͢ΈͷγϟϫʔΛ ཋͼͯ৸Δʯ ͱ͍͏ϑϨʔζ΋ݟ͚ͭ·ͨ͠
136. After that, the product goal was concreted. ͦΕ͔Βํ޲ੑ͕ ͖ͪΜͱݻ·Γ·ͨ͠
137. As you know, naming is important! ໊લॏཁͰ͢Ͷ
138. Tip: The right name leads the product to the right way Α໊͍લ͕ݟ͔ͭΔͱ ໊લ͕ϓϩμΫτΛಋ͍ͯ͘ΕΔ
139. Then we coded. ͲΜͲΜ࡞͍͖ͬͯ·͢
140. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
141. Transitions of screens were implemented. Artworks were integrated. ը໘ભҠͷ࡞Γ͜Έͱ ΞʔτϫʔΫ΋ ૊Έࠐ·Ε·ͨ͠
142. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
143. We prepared to fill the application form. ฒߦͯ͠Ԡืͷ४උΛ͠·͢
144. It’s super important because we couldn’t finish without it. Ԡื͠ͳ͍͜ͱʹ͸ ࿩ʹͳΒͳ͍ͷͰ͜Ε͸ ͱͯ΋ॏཁͰ͢
145. After the form is completed, we finally became able to release it anytime we want. ԠืϑΥʔϜͷ४උ͕Ͱ͖ͯ ͍ͭͰ΋ϦϦʔεͰ͖Δ ঢ়ଶʹ౸ୡ͠·ͨ͠
146. Done! Ͱ͖ͨ!
147. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am Done!
148. We chose one feature to add as we have injury time :) ͕࣌ؒ·ͩ͋ͬͨͷͰ ࣍ʹ௥Ճ͢ΔϑΟʔνϟΛ Ұͭબͼ·ͨ͠
149. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
150. The feature was implemented keeping the product shippable. ϓϩμΫτΛग़ՙՄೳʹ อͪͭͭ ͦͷ࣮૷΋׬ྃ͠·ͨ͠
151. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
152. We made the movie just you saw as we still have the time. ·͕ͩ࣌ؒ͋ͬͨͷͰ ঺հͷϏσΦ΋࡞੒͠·ͨ͠
153. It was so funny to make a movie saying “Oyasumi” in the morning. ΋͏ேͩͬͨͷͰ ͓΍͢ΈͷϜʔϏʔΛͭ͘Δͷ͸ ͔ͳΓস͑·ͨ͠
154. Tip: Make it shippable, then keep it shippable. ͍ͭͰ΋ϦϦʔεՄೳͳঢ়ଶ ʹ΋͍͖ͬͯ ͦͷঢ়ଶΛอͭ
155. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
156. Think Prototype Make it Shippable! Keep it Shippable! Done! Our “Process” Shippable! Time is up! Good concept!
158. To be honest, we jumped the gun. ࣮͸ࢲͨͪ͸ ϑϥΠϯά͍ͯ͠·ͨ͠
159. Concept making Tech survey Distribution & Deployment Chores Submit! Preparation for application Naming discussion Adding one-more feature Movie making 9 am Prototyping Making it shippable Packaging Start! 3 pm 9 pm 3 am
160. Server setup 9 am Start! 3 pm 9 pm 3 am Strategy meeting The day before!
161. We held a strategy meeting the day before. VPS is configured before the contest. ࡞ઓձٞ΋͍ͯ͠·ͨ͠͠ ίϯςετલʹ VPSΛηοτΞοϓ͠·ͨ͠
162. Not only that! ͦΕ͚ͩͰ͸ͳ͍͚Ͳ!
164. We are old friends. ݹ͔͘Βͷ༑ਓͰ
165. Three of us won the special prize at the contest of the last year. νʔϜͷ͏ͪ3ਓ͸ ڈ೥΋ίϯςετʹࢀՃ͍ͯͯ͠ ಛผ৆Λड৆͍ͯ͠·͢
167. We have shared so long time and we know well each other. ͓ޓ͍ͷ͜ͱΛ Α͘஌͍ͬͯ·͢
168. We know what he is good at, or not. Կ͕ಘҙͰԿ͕ۤख͔΋ Α͘Θ͔͍ͬͯ·͢
169. We know what we like, or not. Կ͕޷͖ͰԿ͕޷͖Ͱͳ͍͔΋ ͓ޓ͍ʹΘ͔͍ͬͯ·͢
170. This should be one reason why we could make good decisions. ͔ͩΒνʔϜ͕Α͍൑அΛ ͠΍͔ͬͨ͢ͷͰ͸
171. Of course, our decisions are not always good :) ͍ͭ΋Α͍ܾఆ͕Ͱ͖Δͱ͸ ݶΒͳ͍͚ΕͲ
172. At least, we don’t need much time to reach an agreement. গͳ͘ͱ΋ ͳ͔ͳ͔߹ҙͰ͖ͳ͍ ͱ͍͏͜ͱ͸গͳ͍
173. We don’t need to start probing the intentions of others. ෲͷ͙͞Γ͍͔͋Β ෺ࣄΛ࢝ΊΔඞཁ͸ͳ͍
174. Because we know each other well. ͓ޓ͍ͷ͜ͱΛ Α͘஌͍ͬͯΔ͔Β
175. Tasks were taken by the best person without much discussion. ؾ͕ͭ͘ͱҰ൪ద੾ͳਓ͕ ࣗવͱͦͷ࡞ۀΛ΍͍ͬͯΔ
176. It seems quite natural. ͱͯ΋ࣗવͳײ͕͡͠·͢
177. Tip: Just know each other. Tasks will fit into the best place. ͓ޓ͍ΛΑ͘஌Δͱ λεΫ͕ͪΐ͏Ͳྑ͍ॴʹ Ҡಈ͢ΔΑ͏ʹͳΔ
178. One more thing. ΋͏ͻͱͭ
179. We use same tools such as Ruby, Rails, IRC, PS3, Dropbox, FaceBook, ... ࢲͨͪ͸ಉ͡ಓ۩Λ ଟ͘࢖͍ͬͯ·͢
180. This dramatically reduces the setup cost. ηοτΞοϓίετΛ ௿͘཈͑Δ͜ͱ͕Ͱ͖·͢
181. Especially about communication tool, ͱ͘ʹίϛϡχέʔγϣϯʹ ͍ͭͯ͸
182. We always try new tools. We like to try. ৽͍͠πʔϧ͕͋Δͱ ͻͱ௨Γࢼ͢Α͏ʹ͍ͯ͠·͢ (ͦΕָ͕͠Έ)
183. But some behaviors do not appear while using with only 2 persons. 2ਓͩͱମݧͰ͖ͳ͍͜ͱ͕ ͚ͬ͜͏͋ΔͷͰ͢
184. Tip: Try communication tools with at least 3 person. ίϛϡχέʔγϣϯπʔϧ͸ 3ਓҎ্Ͱࢼ͢ͱΑ͍
185. Conclusion ·ͱΊ
186. The most important: େࣄͳ͜ͱΛ΋͏Ұ౓
187. “Oyasumi” means “Good night” ͓΍͢Έ͸ “Good Night” ͷ͜ͱ
188. How to decide what to do? ͳʹΛ͢Δ͔Λ Ͳ͏΍ܾͬͯΊΔ͔
189. Prank is the source of ideas. ѱϊϦ͸ΞΠσΟΞͷݯ
190. The right name leads the product to the right way Α໊͍લ͕ݟ͔ͭΔͱ ໊લ͕ϓϩμΫτΛಋ͍ͯ͘ΕΔ
191. A working prototype is worth a thousand words ಈ͘΋ͷΛ৮ͬͯΈΔͷ͕େࣄ
192. Do the right-level challenge ͪΐ͏Ͳ͍͍௅ઓΛ͢Δ
193. How things get done? Ͳ͏΍ͬͯ׬ྃͤ͞Δ͔
194. Can’t be done before shipping ϦϦʔεͰ͖ͳ͍ͱ ελʔτϥΠϯʹ΋ཱͯͳ͍
195. Make it shippable, then keep it shippable. ͍ͭͰ΋ϦϦʔεՄೳͳঢ়ଶ ʹ΋͍͖ͬͯ ͦͷঢ়ଶΛอͭ
196. How we spend days? Ͳ͏΍ͬͯ೔ʑΛա͔͢͝
197. Have tools lie comfortably with your hand in your toolbox खʹೃછΜͩಓ۩Λ ಓ۩ശʹ
198. Just know each other. Tasks will fit into the best place. ͓ޓ͍ΛΑ͘஌Δͱ λεΫ͕ͪΐ͏Ͳྑ͍ॴʹ Ҡಈ͢ΔΑ͏ʹͳΔ
199. Try communication tools with at least 3 person. ίϛϡχέʔγϣϯπʔϧ͸ 3ਓҎ্Ͱࢼ͢ͱΑ͍
201. While working with this team, ͜ͷ։ൃΛ ;Γ͔͑ͬͯΈΔͱ
202. I feel everything was “natural”. ͱͯ΋ࣗવͩͱײ͡·͢
203. What are behind this? ͜ͷޙΖʹ͸ Կ͕͋ΔΜͩΖ͏?
205. Taken after we submitted our product. ͜ͷࣸਅ͸ ࡞඼Λ౤ߘͨ͋͠ͱʹ օͰࡱͬͨ΋ͷͰ͢
206. The end of the contest for us. ίϯςετͷऴΘΓ
207. After the festival, our days resumed. ͓ࡇΓͷ͋ͱ͸ ͍ͭ΋ͷ೔ʑ͕଴͍ͬͯ·͢
209. The boundary. ͜Ε͕ڥ໨
210. How happy we’d be if the our days are like this!? ͜Μͳ೔ʑΛૹΕͨΒ ޾ͤ!?
211. Maybe I love the feelings because it was not everyday. ೔ৗ͡Όͳ͍͔Β ͍͍ͳ͋ͱࢥ͏͚ͩͳͷ͔΋
212. Am I just seeking things I cannot reach? ແ͍΋ͷͶͩΓΛ ͍ͯ͠Δ͚ͩͳͷ͔΋
213. Our life seems not so simple as we can do only what we want to do. ΍Γ͍ͨ͜ͱ͚ͩ ΍͍ͬͯΒΕΔ΄Ͳ ୯७Ͱ͸ͳͦ͞͏
214. But I want to bridge the boundary. Ͱ΋ͦͷڥ໨ΛຒΊ͍ͨ
215. Anyhow, our life is the series of 24 hours. ͍ͣΕʹͤΑ ೔ʑ͸24࣌ؒͷ࿈ͳΓͰͨ͠
216. Thinking about how to enjoy whole the 24 hours ͦͷ24࣌ؒͷָ͠ΈํΛ ߟ͑Δ͜ͱ͸
217. leads us to think about how to enjoy our life. Ͳ͏΍ͬͯ೔ʑΛָ͠Ή͔ʹ ͭͳ͕͍ͬͯΔ
218. How do you think? Ͳ͏ࢥ͍·͔͢?
219. How we code is Ͳ͏͍͏;͏ʹͯ͠ίʔυΛ ॻ͍͍ͯ͘ͷ͔ͱ͍͏ͷ͸
220. how we live, ͲͷΑ͏ʹੜ͖͍͔ͯ͘ ͱ͍͏͜ͱʹҧ͍ͳ͍
221. for us, programmers. ࢲͨͪ͸ϓϩάϥϚ͔ͩΒ