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# Hamamatsu.rb #171 ## 自己紹介 - 普段C++やってる司会の方 - 普段生産管理パッケージやってる視界の方。あんまり普段Rubyは書いてない - 久しぶりにHamamatsu.rb参加の方 - 普段C++やってる組込の方。MIDIプレイヤーのプロトタイプを作成中 - マイクロメーカーフェアに出すやつを準備中 - 初参加の方。RubyKaigiつながり。実は浜松出身 - ホムペとECサイト担当されてる方。 - 最近勉強がてらAndroidのアプリを作ったりした ## 前回ふりかえり - https://github.com/hamamatsu-rb/hamamatsu-rb.github.com/wiki/%E8%AD%B0%E4%BA%8B%E9%8C%B2%28170%29 ## 今回のネタ ### ここ1年のコードレビュー - 資料 - https://github.com/hamamatsu-rb/hamamatsu-rb.github.com/wiki/LT/codereview.pdf - 資料ソースのMarkDown - https://hackmd.io/@UUwp7Z9-R52wh9oJn8eJ5Q/rJpryyp21e/edit - 伝わるコードレビュー 開発チームの生産性を高める「上手な伝え方」の教科書 - https://www.shoeisha.co.jp/book/detail/9784798186009 ### Rubyの型チェック - 「型システムのしくみ」発売のお知らせ - まめめも - https://mametter.hatenablog.com/entry/2025/04/10/063009 - 遠藤さんは、6月の「関数型まつり」で招待講演 - 型システムを知りたい人のための型検査器作成入門 by 遠藤侑介 - https://fortee.jp/2025fp-matsuri/proposal/5699c262-e04d-4f58-a6f5-34c390f36d0d ### Ruby - ヘルプデスク業務を楽にするためにSlackとGitHub Projectを同期するヘルプデスクツールを自作した - https://tech.mntsq.co.jp/entry/helpdesk_tool - Railsは「長年変わらないこと」が最大の強みでもある(翻訳) - https://techracho.bpsinc.jp/hachi8833/2025_04_24/150298 - techracho ⇒ テックラチョ ## RubyKaigi 2025報告 ### Slackから - ラジコン本、型システム、月間ラムダノートの本のサインもらいました - ノベルティもらってきました - 公式パーティーは屋外。城山公園でした - Matzさんと記念写真 - いろいろ観光してきました - なかなか有給3日とるのは難しいかもしれんが浜松市からもう2,3人来てほしいな - 来年は函館 函館市民会館と函館アリーナ ### 現地LTの様子 - LT中は機器トラブルで実機からは出せなかったが、動画で再生できた ### LT - Making a MIDI controller device with PicoRuby/R2P2 (RubyKaigi 2025 LT) - https://speakerdeck.com/risgk/making-a-midi-controller-device-with-picoruby-r2p2 - ラズパイPicoで作成されています - Hamamarsu.rbのrbを"あーるびー"と呼ぶのか"るびー"と呼ぶのか謎 - R2P2を使うとRubyのコードで簡単に制御できる - M5Stackを通してMIDI機器と通信している - つまみはこれ - 8-ANGLE UNIT WITH POTENTIOMETER - https://www.digikey.jp/ja/products/detail/m5stack-technology-co-ltd/U154/17372552?gad_source=1&gad_campaignid=20192530079&gbraid=0AAAAADrbLljk9zkDvTVXVHe17mg0hOLvz&gclid=CjwKCAjw_pDBBhBMEiwAmY02Nsv_yWyW8s1UNQsqHj17OKWJbHM9KlwFHZpMdYfNg5DQXPCF5qCF7RoCQDsQAvD_BwE&gclsrc=aw.ds - 最初タイムアウトの問題で動かなかったがIssueを上げて修正済み - 反応はよかった - 競争率高いところもあるかも ### Twitterより - https://x.com/hasumikin/status/1912871128890294526 - https://x.com/risgk/status/1913028131172335892 ### 本会URL - https://rubykaigi.org/2025 - https://rubykaigi.org/2025/presentations/lt/ ### LTの歴史 - Rubyistに伝えたかったLTの歴史と大事なこと|tkskkd - https://note.com/kkd/n/n9edb3418805e ### 関連イベント - 音関係 - TRICK 2025: Episode I - RubyKaigi 2025 - https://rubykaigi.org/2025/presentations/tric.html - 4th: "Best ASMR" - Tomoya Ishida - Road to RubyKaigi: Making Tinny Chiptunes with Ruby - LT資料 - https://speakerdeck.com/makicamel/road-to-rubykaigi-making-tinny-chiptunes-with-ruby - It's More Fun to Compute - RubyKaigi 2016 - https://rubykaigi.org/2016/presentations/juliancheal.html - 5/22(木)RubyKaigi 2025 事後勉強会 oto @ 東京 - 音関係の話 - Rubyでシンセサイザー作る人が複数人!... - こちらでの発表は10分もらってるので余裕がありそう - https://ivry.connpass.com/event/353495/ #### その他 - RubyKaigi 2024が終わったのでまずはクソデカ感情の処理をさせてください - https://d.s01.ninja/entry/20240521/1716275951 - When you RubyKaigi, you must party hard! - https://s01.ninja/ja/party-at-rubykaigi.html - RubyKaigiが松山で開催されての思い出|tkskkd - https://note.com/kkd/n/n13af6b37c56c - RubyKaigi 2026 - 22-24 April, 2026 - Hakodate, Hokkaido, Japan - https://rubykaigi.org/2026/ - 本屋さんを開催する技術(RubyKaigi 2025) - https://zenn.dev/ko1/articles/4341ab3fd924b1 - 次のRubyはRuby 4。名前空間機能が入る - コードが短いのでAIに向いてる、といった話もあった - 1,508名参加とのこと。みかんジュースもありました - 昨年のRuby Kaigi 2024の動画はこちら - https://www.youtube.com/playlist?list=PLbFmgWm555yYCwDIqMGoZemrsITes-9mZ - リモート可能だから現地で参加しながら仕事してる人いるよ - 有名人がたくさんいるから楽しい - 壇上に出る人は30分で話しきれないことをたくさん持ってる - 登録駆動開発 ## 次回以降のネタ - コードレビューのLTはまた次回に回します(資料) - https://github.com/hamamatsu-rb/hamamatsu-rb.github.com/wiki/LT/codereview.pdf - 型の話 - 名前空間 ## LT ### Amazon Prime Videoから動画リストをスクレイピングする話 - うまくいった - ガンダムのサイトはうまく行かなった。プラモのリストが最初にあるからかと思われる - 基本的に型がない、というのがはまりどころだった - nokogiriを使った - Rubyの型ちょっと分かります(gem_rbs_collection 等にコントリビュートしてます) - 通知の仕組み…Discordとか使うとできるかも - スクリプトはSlackにあげます - Seleniumはセットアップで詰まることがある。これで自動操作できればガンダムのサイトはうまくいくかも ## KPT - Hamamatsu.rb #171 - http://firekpt.jacoyutorius.com/board/?id=-OQDSeG-QHRDQsSj6Tuq&title=Hamamatsu.rb%20%23171 ## KEEP - 参加できた! ★1 - 開催できた - 初参加できた! - 参加できた - 発表した ★1 - 久しぶりに参加できた! ## PROBLEM - 今日も参加できなかった。 ★1 - まだRubyKaigi2024の動画見てない… - LTできなかった! - 寝不足 - Maker Fairの準備で大変 ## TRY - 半休をとる ★1 - 次回 #172、6/11(水)19:30 - 21:00 オンライン開催 ★1 - RubyKaigi2024の動画見る - 次参加する時はLT用意するぞ! ★2 - PicoRuby - また何か書こう - 次回:コードレビュー、型 - DoorKeeperの権限渡せないか調べてみる ## 告知 - 次回 #172、6/11(水)19:30 - 21:00 オンライン開催 - 5/24(土)16:00~ ゆるIT勉強会浜松 土曜勉強会+懇親会 - https://progdojo-hmmt.connpass.com/event/352926/ - 5/31(土)OSC2025 Nagoya - https://event.ospn.jp/osc2025-nagoya/ - 5/22(木)RubyKaigi 2025 事後勉強会 oto @ 東京 - https://ivry.connpass.com/event/353495/ - 5/27(火)RubyKaigi Hack Space in Tokyo & 函館最速 "予習" 会 - https://smartbank.connpass.com/event/351000/ - 6/1(土)Synth Maker Meetup #4 - 浜松で開催 - https://synthmeetup4.peatix.com/ - 6/7(土) Android Bazaar and Conference 2025 Spring in ICT - https://japan-android-group.connpass.com/event/292227/ - 6/14(土) - 6/15(日) 関数型まつり2025 - https://fortee.jp/2025fp-matsuri - 7/5(土)Hamamatsu Micro Maker Faire 2025 @ 浜松科学館 - https://x.com/make_jp/status/1900365633641927064 - 9/26(金)-27(土) Kaigi on Rails 2025 - https://kaigionrails.org/2025/

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