シャドーイング練習: DHH has gone completely off the rails... - 動画で英語スピーキングを学ぶ
レッスンを作成中...
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Last week, the legendary developer and creator of Ruby on Rails, David Hannemeyer Hansen, DHH, walked into the Rails World Conference in Austin,
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Texas, and made a room of over 1 ,000 Rails developers break down into tears after telling them
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that writing Rails or any source code by hand is over.
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It's no longer economically viable, and it's time for you to stop being a loser.
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The black pill is for f*ing losers.
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Don't be a loser.
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DHH has gone completely off the rails and used his keynote to promote AI -generated rust, which is like the Pope showing up on Easter to talk about the benefits of atheism.
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And this one's personal for me because Rails was my first framework and launched my career in software development, which ultimately led to me creating this Fireship channel.
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Watching this keynote was like watching my childhood home get demolished to build a data center, but is DHH right or is just another hype man with AI psychosis?
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Well, in today's video, we'll find out by looking at a variety of different skills programmers need to have
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and determine if those skills are still relevant for software developers in the future.
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It is September 28th, 2026, and you're watching the Code Report.
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Let's start with the most vulnerable skill, keyboard martial arts.
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Just a couple years ago, it was very in vogue to get good at tools like NeoVim.
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And back in the good old days, memorizing hundreds of keyboard shortcuts and spending hours on a great configuration, it could actually make you write code faster.
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However, if an agent is making most of your code edits now, being able to delete the contents of parentheses and three keystrokes without touching your mouse is becoming a very niche party trick.
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That being said, DHH himself is a NeoVim user and is still a big proponent of command line interfaces, as long as it's not a human using them.
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In the keynote, he says every app developer should provide a CLI for developers.
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The only caveat is that command line interfaces are no longer for humans.
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It is your obligation to deliver those f*ing CLIs by next Friday
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so I can use your application without actually ever having to touch it.
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The bottom line is that code editors and CLI tools will still have a place, but investing a ton of time mastering them is not going to make you a more productive developer.
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But what about programming frameworks like Ruby on Rails, React .js, Svelte, Angular, Tailwind CSS, and the list goes on.
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All these frameworks have massive, cult -like fanbases.
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Well, at least they used to, anyway.
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Ruby on Rails explicitly put programmer happiness at the center of its philosophy, and I can vividly remember, back in 2008, how running Rails new felt like using a magic wand,
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which would generate a full MVC crud app in a matter of seconds.
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But the harsh reality is that developer happiness is dead, and any framework or programming language built around this idea is not going to end well.
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Like, my horse Tinder startup is entirely framework -free.
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It's built with vanilla JavaScript and Rust on the back end.
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Frameworks used to provide developer happiness, but now they just get in the way, and in many cases, hurt performance.
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And I'm not the only one.
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DHH used to be a certified Rust hater.
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This is an awful, awful, awful programming language when you subject humans to write it.
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Absolutely inhumane.
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But in the keynote, he shockingly announced that they're rewriting the Hey! email app, not with human -powered Ruby on Rails, but with pure AI -generated Rust.
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Rust is amazing if you never, ever, ever have to look at it yourself.
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With that Rust rewrite, he was able to cut CPU and memory usage by 95 % on the server.
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And that's a hugely important point because the frameworks
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that will actually survive in the future are the ones
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that require the fewest amount of tokens and thus save developers money or the ones that achieve the highest level of performance.
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Unfortunately, developer happiness is almost a non -factor now.
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Over the next decade or so, maybe sooner, I think we'll see all frameworks, languages, and runtimes converge down to a single point,
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like one universal language that can build any type of software you can imagine, a language optimized for tokens that no human needs to understand.
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And that brings us to the big one, coding, or actually writing source code that runs software.
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DHH claims he went from writing about 30 ,000 lines of
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Ruby per year to now writing about 150 ,000 lines of code per month using agents
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but he's just one random crazy rich dude
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so he also asked the audience of 1200 developers how many
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of them spend a material amount of time each week writing code show of hands holy that's about five
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and if we're to trust that trust me bro poll
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that means less than one percent of humans are still writing
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code by hand the end of coding is not near it's already here i refuse to believe
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that though so let me know
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if you're still writing code by leaving a comment on this video but something doesn't add up here.
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Because if coding really is dead, why haven't there been mass layoffs and why are Silicon Valley companies still hiring developers with six -figure pay packages?
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Well, the good news in all of this is that writing code
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or any skill closely tied to mechanical execution was never that valuable to begin with.
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What's always been far more important is the ability to define a problem, then design a system that can solve that problem securely and efficiently, and AI agents just make that process way faster.
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So when DHH told us all to stop being fing losers because we write code by hand.
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He wasn't calling us f*ing losers because we still love Ruby on Rails.
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He wasn't calling us f*ing losers because our Horsetender app is failing.
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He was calling us f*ing losers because of our pessimism.
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Like, dude, you have an army of coding robots at your disposal and you're blackmailing.
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There's never been a better time to be an idiot with an idea.
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Like, after Horsetender failed to raise a Series A, I was able to quickly pivot the idea to Donker, which is like Grindr for gay donkeys.
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And now it's already expecting its first funding round, led by Sam Altman, Peter Thiel, and Tim Cook.
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But I think Charlie Chaplin says it better than DHH.
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You'll never find a f*ing rainbow if you're looking down.
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You the people have the power to make this life free and beautiful.
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The black pill is for f*ing losers.
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Don't be a loser.
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But one thing I'm definitely not blackpilled about is CodeRabbit, the sponsor of today's video.
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Coding agents have made it so that writing code is basically free now.
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But the problem is everything after that.
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The teams now have 200 open pull requests, and GitHub only lets you sort them chronologically.
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The CodeRabbit triage fixes this by giving you a next best action view for all of your team's PRs across every repo.
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It ranks each one based on factors like security risk, review effort, and which PRs are blocking other PRs.
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Then it uses that context to tell you which one to review next, how deep you want to go, and who else on your team should see it.
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It'll even flag all the PRs that are safe to close, and you can fix failing builds to resolve merge conflicts right from the queue without opening a new tab.
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CodeRabbit is the number one most installed AI app on GitHub, and teams using it are merging PRs four times faster on average.
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Try it out for free today at the link below.
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This has been The Code Report, thanks for watching, and I will see you in the next one.
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このレッスンの語彙とスピーキングのポイント
この動画には、シャドーイング用の文が83文、単語が1341語あります。 音声の長さは6:41です。 話す速さは速く、1分あたり約201語です。音のつながりや弱く発音される音が多くなります。 英語の頻出3,000語に含まれる単語は78%だけなので、語彙は難しめです。
この動画の重要語彙
動画に出てくる覚えておきたい単語15語を、発音と意味つきで紹介します。
| 単語 | 発音 | 意味 |
|---|---|---|
| rail 名詞 | /ɹeɪ(ə)l/ | 手摺, 手すり |
| loser 名詞 | /luzɚ/ | 敗者, 落とし主 |
| framework 名詞 | /ˈfɹeɪm.wɜːk/ | 骨組み |
| rust 名詞 | /ɹʌst/ | 錆 |
| happiness 名詞 | /ˈhæpinɪs/ | 幸福, 幸せ |
| skill 名詞 | /skɪl/ | 腕, 技 |
| awful 形容詞 | /ˈɔːfʊl/ | 怖い |
| generate 動詞 | /ˈd͡ʒɛn.ə.ɹeɪt/ | 生む, 生み出す |
| interface 名詞 | /ˈɪn(t)ɚˌfeɪs/ | インターフェース |
| keyboard 名詞 | /ˈki.bɔɹd/ | キーボード, 鍵盤 |
| pill 名詞 | /pɪl/ | 錠剤, 丸薬 |
| token 名詞 | /ˈtoʊkən/ | トークン |
| merge 動詞 | /mɝd͡ʒ/ | 合わせる, 合併する |
| programmer 名詞 | /ˈpɹoʊɡɹæmɚ/ | プログラマー |
| universal 形容詞 | /ˌjunəˈvɜɹs(ə)l/ | 宇宙の |
動画に出てくる句動詞
| 単語 | 意味 |
|---|---|
| find out 動詞 | 見出す, 調べる |
注意したい発音
話し手はyou're, don't, I'mなど、短縮形や弱形を18回使っています。聞こえたとおりの短い形で発音しましょう。
- 「th」の音: atheism /ˈeɪ.θi.ɪ.zəm/, parenthesis /pəˈɹɛn.θə.sɪs/
- 「sh」と「zh」の音: execution /ˌɛk.sɪˈkjuː.ʃən/, harsh /ˈhɑɹʃ/, obligation /ˌɑ.blɪˈɡeɪ.ʃn̩/, martial /ˈmɑɹʃəl/, configuration /kənˌfɪɡ.əˈɹeɪ̯.ʃən/
- 長い単語（アクセントの位置に注意）: developer /dɪˈvɛləpɚ/, universal /ˌjunəˈvɜɹs(ə)l/, mechanical /məˈkænəkəl/, execution /ˌɛk.sɪˈkjuː.ʃən/, legendary /ˈlɛd͡ʒ.ənˌdɛɹ.i/
この動画での練習方法
- まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
- まず0.75倍速で一文ずつシャドーイングし、慣れてきたら通常の速度に戻します。
- 自分の声を録音して元の音声と比べます。rail, loser, frameworkなどの単語に特に注意しましょう。
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 「used to」 used to + 動詞 — 今はもう違う過去の習慣や状態 | used to provide · used to be |
| 現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している | has gone · have made · has been |
| 関係詞節 who / which + 節 — 人や物について情報を加える | rust, which is · Donker, which is |
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。