Contributing to Scala OSS from East Asia #ScalaMatsuri

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Contributing to Scala OSS from East Asia Kaz Sera @seratch http://scalamatsuri.org/index_en.html

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• 0. Who Am I? • 1. Popularity of Scala in Japan • 2. Lack of English in Japan • 3. Opposite Time Zone from US/EU • 4. What To Do ࠓ೔͸͜ͷΑ͏ͳ಺༰Ͱ೔ຊͷ։ൃऀͷ4DBMB044ί ϛϡχςΟ΁ͷؔΘΓʹ͍ͭͯ࿩ͯ͠Έ͍ͨͱࢥ͍·͢ɻ

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0. Who Am I? ࢲ͕Կऀ͔ɺ؆୯ʹࣗݾ঺հ͠·͢ɻ

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Who Am I? • Tokyo Scala devs call me “Sera-san” • Scala enthusiast since 2010 • Skinny Framework / ScalikeJDBC • Living in Tokyo for 15 years • Never lived overseas yet • Typical Japanese developer ೔ຊͷਓ͸ࢲΛ੉ྑ͞Μͱݺͼ·͢ɻ4DBMJLF+%#$ɺ 4LJOOZͷ࡞ऀͰ͢ɻͣͬͱ೔ຊʹॅΜͰ͍Δ։ൃऀͰ͢ɻ

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1. Popularity of Scala in Japan ೔ຊʹ͓͍ͯ4DBMB͕طʹͲΕ͚ͩਓؾ͕͋Δ͔ʹ͍ͭͯ ঺հ͠·͢ɻ

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https://groups.google.com/forum/#!aboutgroup/scala-user World wide Scala ML 5637 attendees ੈքͷ4DBMBͷ.-͸ਓͷࢀՃऀ͕͍·͕͢

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https://groups.google.com/forum/#!aboutgroup/scala-jp ML in Japanese has 718 attendees! ೔ຊϩʔΧϧͷ.-ʹ͸ͦͷͷਓ΋ͷࢀՃऀ͕ ͍·͢ɻਓޱൺ͔Β͢Δͱඇৗʹଟ͍ͱ͍͑·͢ɻ

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https://gitter.im/scalajp/public The most popular Gitter room has 378 members! (JUUFSͱ͍͏(JU)VCͱ࿈ಈͨ͠νϟοταʔϏεͰ΋ ਓ΋ͷࢀՃऀ͕͍·͢ɻ

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http://2014.scalamatsuri.org/en/ ScalaMatsuri 2014 had 450 attendees! લճͷ4DBMB.BUTVSJ͸ਓ΋ͷࢀՃऀ͕͍·ͨ͠ɻ ࠓճ΋ඇৗʹଟ͘ͷํ͕ࢀՃ͍ͯ͠·͢ɻ

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http://summit.scala-kansai.org/ The popularity is not only in Tokyo! The ﬁrst ever large conf in Osaka had 190 attendees! ౦ژ͚ͩͰ͸͋Γ·ͤΜɻࡢ೥ՆʹେࡕͰ։࠵͞ΕͨΧϯ ϑΝϨϯεʹ΋໊͕ۙ͘ࢀՃ͍ͯ͠·͢ɻ

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https://www.google.co.jp/webhp#q=scala+%E6%9C%AC&safe=off&tbs=vw:g,mr:1,cat:784,seller:6621179,p_ord:r&tbm=shop Also many Japanese books (originals & translations) 4DBMBΛֶͿͨΊͷॻ੶΋਺ଟ͘ग़൛͞Ε͍ͯ·͢ɻ຋༁ ͚ͩͰͳ͘೔ຊޠ͕ΦϦδφϧͷ΋ͷ΋͋Γ·͢ɻ

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2. Lack of English in Japan ೔ຊʹ͓͚Δӳޠͷ໰୊ʹ͍ͭͯ঺հ͍ͨ͠ͱࢥ͍·͢ɻ

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https://www.google.co.jp/webhp#q=scala+%E6%9C%AC&safe=off&tbs=vw:g,mr:1,cat:784,seller:6621179,p_ord:r&tbm=shop Many Japanese books (originals & translations) ೔ຊޠͷॻ੶͕ٻΊΒΕΔഎܠʹ͸ɺӳޠॻ੶ʹෑډͷߴ ͞Λײ͡ΔϢʔβ૚͕ଟ͘ଘࡏ͢Δ͜ͱ͕͋Γ·͢ɻ

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https://gitter.im/scalajp/public Popular Scala chat room in Japanese ೔ຊޠνϟοτʹ׆ؾ͕͋Δ͜ͱ͸ӳޠʹϋʔυϧͷߴ͞ Λײ͡Δਓ͕ଟ͍͜ͱͷཪฦ͠Ͱ΋͋Γ·͢ɻ

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http://www.japantoday.com/category/opinions/view/why-are-japanese-so-bad-at-english ೔ຊਓ͸܏޲ͱͯ͠ӳޠ͕ۤखͳਓ͕ଟ͍͜ͱ͸ࠃ֎Ͱ΋ ஌ΒΕ͍ͯΔΑ͏Ͱ͕͢ɾɾ

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Japanese English • Less opportunities in daily life, poor curriculum / teaching at school • Generically even software developers are not good at English communication • A sign: Recently an increasing number of companies have chosen English as the ofﬁcial language ౡࠃͷಛੑɾڭҭͷ໰୊Ͱ։ൃऀ΋ྫ֎Ͱ͸͋Γ·ͤΜ͕ɺ ӳޠΛެ༻Խ͢Δ೔ܥاۀ͸ۙ೥૿͖͍͑ͯͯ·͢ɻ

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Keep “sealed” in Japanese? Ͱ͸ɺࢲୡ೔ຊͷ4DBMBϢʔβͨͪ͸͜Ε͔Β΋೔ຊޠʹ ดͨ͡··ͰΑ͍ͷͰ͠ΐ͏͔ʁ

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No, we should be more open to the world! ͍͍͑ɺࢲͨͪ͸΋ͬͱੈքʹରͯ͠ΦʔϓϯͰ͋Δඞཁ ͕͋ΔͰ͠ΐ͏ͱ͍͏ͷ͕͜ͷτʔΫͷझࢫͰ͢ɻ

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3. Opposite Time Zone from US/EU ࣍ʹɺ೔ຊ͕ΞϝϦΧ΍&6͔ΒΈͯ஍ٿͷ൓ରଆͷλΠ ϜκʔϯͰ͋Δ͜ͱʹ͍ͭͯɾɾ

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UTC+09:00 • +09:00 from London • +14:00 from New York • +17:00 from San Francisco • “Good morning Tokyo, I have to go to bed now” ౦ژ͸/:͔ΒݟΔͱ΄΅ਅٯͷ࣌ؒଳʹੜ͖͍ͯ·͢ɻ ʮ͓͸Α͏ʯʮͪ͜Β͸΋͏৸ͳͪ͘Όʯ

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http://www.worldtimezone.com/index24.php ੈք֤ࠃͷࠓݱࡏͷ࣌ࠁͰ͢ɻ/:͸೔෇͕มΘͬͨ͹͔ Γɺϩϯυϯ͸ૣேͷΑ͏Ͱ͢ɻ

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But our Time Zone is not a barrier because it’s.. ͔͠͠ɺ͜ͷ͜ͱ͸େ͖ͳো֐Ͱ͋Δͱݴ͍༁͢Δ͜ͱ͸ Ͱ͖ͳ͍Ͱ͠ΐ͏ɻͳͥͳΒɾɾ

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Only +02:00 from Canberra ೔ຊͷλΠϜκʔϯ͸Ωϟϯϕϥͱۇ͔͔࣌ؒ͠มΘΒ ͳ͍͔ΒͰ͢ɻ

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Play core devs are much active in Australia, NZ! ͝ଘ஌ͷ௨Γɺ1MBZίΞνʔϜ͸ΦʔετϥϦΞɾχϡʔ δʔϥϯυࡏॅͷ։ൃऀ͕ͨͪେ׆༂Ͱ͢ɻ

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4. What To Do Ͱ͸ɺ೔ຊͷ։ൃऀ͸ҰମԿΛ͢΂͖͔ͱ͍͏͜ͱʹ͍ͭ ͯߟ͑ͯΈ·͠ΐ͏ɻ

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Code! Code! Code! • Write some code ﬁrst, something rather than nothing • Beginning new project / shaping new idea is always exciting • Even if your each PR is trivial, it can move OSS project forward ԿΛࠩ͠ஔ͍ͯ΋ͱʹ͔͘ίʔυΛॻ͘͜ͱ͕ୈҰɺࣗ෼ Ͱ৽࢝͘͠Ίͯ΋ɺখ͞ͳύονͰ΋ߏ͍·ͤΜɻ

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No Lang Barrier • Japanese Scala developers’ community is so active (especially in Tokyo) • Working only there ironically toughens the language barrier • We should intentionally focus on world- wide activities more than ever ೔ຊޠݍ͚ͩͰ׆ಈͯ͠͸͍͚·ͤΜɻݴޠͷนΛͭͬ͘ ͯ͠·͍·͢ɻ

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So Ninjas Should … • Write awesome Scala code ﬁrst! • Attach English README to them • Blog in English • Publish slides in English • English! English! English! ૉ੖Β͍͠4DBMBίʔυΛॻ͘͜ͱ͕·ͣୈҰͰ͕͢ɺͦ ͷଘࡏΛӳޠͰൃ৴͢Δ͜ͱ΋ಉ͘͡Β͍େ੾Ͱ͠ΐ͏ɻ

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To be discovered by world wide Scala community! ੈքதͷ։ൃऀʹͦͷଘࡏʹؾ͍ͮͯ΋Β͏ͨΊʹʂ

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So What About Myself? Ͱɺͦ͏͍͏ࣗ෼͸Ͳ͏ͳͷͰ͠ΐ͏ʁࢲͷঢ়گʹ͍ͭͯ ࿩͍ͨ͠ͱࢥ͍·͢ɻ

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Projects I started up • Skinny Framework to build web apps • Skinny Micro to build micro web apps • ScalikeJDBC to talk to RDBMS • AWScala to access AWS on the REPL • bigquery4s to access BigQuery APIs 4DBMJLF+%#$ɺ4LJOOZͳͲ͍͔ͭ͘044Λ্ཱͪ͛·͠ ͨɻ࢖ͬͯ͘ΕΔਓ΋૿͖͍͑ͯͯ·͢ɻ

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Projects I joined • Scalatra - Sinatra framework for Scala • json4s - Popular JSON AST library • Scalate - Veteran template engine • Small patches to several projects 4DBMBUSBɺKTPOTɺ4DBMBUF͸ϝϯςφͷҰਓͱͯ͠ඍྗ ͳΒϓϩδΣΫτʹߩݙΛଓ͚͍ͯ·͢ɻ

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Go Abroad • Hopefully my works are known at least by GH stargazers, but I myself am still unknown outside of Japan • Giving a presentation at world-wide conference (e.g. ScalaDays) ͨͩɺ΋ͬͱւ֎Ͱೝ஌͞ΕΔඞཁੑΛײ͍ͯ͡·͢ɻੈ քతΧϯϑΝϨϯεͰͷొஃͳͲ΋໨ࢦ͠·͢ɻ

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To Popularize .. • Skinny Framework • Skinny Micro • ScalikeJDBC • I believe they’re already nice enough. Please give it a try! ͦΕ͸ࣗ෼ͷ044Λ΋ͬͱଟ͘ͷਓʹ࢖ͬͯ΋Β͏ͨ Ίɻ݁ߏྑ͍ͱࢥ͍ͬͯΔͷͰͥͻࢼͯ͠Έ͍ͯͩ͘͞ɻ

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In Summary ·ͱΊͰ͢ɻ

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• Scala is already very popular in Japan • Developers in Japan tend to be bad at English communication • Even so, there is no helpless reason not to be open to the world • I myself would like to keep working on Scala OSS more than ever! ೔ຊͷ4DBMBਓؾɺӳޠͷ໰୊ɺੈքʹΦʔϓϯʹͳΔ্ Ͱͷোนɺࢲࣗ਎ͷνϟϨϯδʹ͍ͭͯ࿩͠·ͨ͠ɻ

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Keep Enjoying Our Matsuri! :-) .BUTVSJͱ͸ϑΣεςΟόϧͷ͜ͱͰ͢ɻ೔ຊͷ4DBMBϑΣ εςΟόϧΛͥͻָ͠ΜͰ͍ͩ͘͞ʂ