Preparing for the end of third-party cookies | Privacy Sandbox
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システム開発でよくある「ごん、お前だったのか」現象と依存関係、そして汎用性の罠の話 | Raccoon Tech Blog [株式会社ラクーンホールディングス 技術戦略部ブログ]
株式会社ラクーンホールディングスのエンジニア/デザイナーから技術情報をはじめ、世の中のためになることや社内のことなどを発信してます。 マネジメント要求定義教訓ごんおま現象依存関係ツリー思考法カオスエンジニアリングフェイルファスト技術的負債 こんにちは、羽山です。 昔話には生きる上での数多くの教訓が込められています。今回は ごんぎつね からシステム設計・開発について考えてみましょう。 ごんぎつねの話はみなさんもご存じの通り、いたずらを悔いたごんぎつねが人知れず兵十という青年に贈り物を届けるも最後まで気づかれないまま火縄銃で撃たれてしまい、最後に「ごん、お前だったのか」となる話です。 さて、 達人プログラマー という書籍には 契約による設計(Design by Contract) という考え方が解説されています。 メソッドを契約として、 要求された以上のことも以下のことも行わない という考え方
![システム開発でよくある「ごん、お前だったのか」現象と依存関係、そして汎用性の罠の話 | Raccoon Tech Blog [株式会社ラクーンホールディングス 技術戦略部ブログ]](https://cdn-ak-scissors.b.st-hatena.com/image/square/73dfa175cf747910d4640ea343ede32453eafe2d/backend=imagemagick;height=288;version=1;width=512/https%3A%2F%2Ftechblog.raccoon.ne.jp%2Fwp-content%2Fuploads%2F2021%2F05%2Fsystem_dependencies_1280.jpg)
名著「UNIXという考え方 - UNIX哲学」は本当に名著なのか？ 〜 著者のガンカーズは何者なのかとことん調べてみた - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? はじめに え？みんなこんな本を UNIX 哲学のオススメ本って紹介してるの？ あえて煽りから入らせていただきます。UNIX 哲学を語る本としてマイク・ガンカーズ (Mike Gancarz) の「UNIXという考え方 - The UNIX Philosophy その設計思想と哲学」はおそらく日本で一番有名な UNIX 哲学の解説本です。名著と言われている通り素晴らしいこともたくさん書かれています。しかし前提知識を持たない人が、この本を読んで正しく UNIX 哲学を理解するのはかなり難しいです。 注意 この記事の趣旨を勘違いされませんよう
はじめに「あれ、CPUクレジットがゼロになってる…？」 12月9日、AWSコンソールを開いた瞬間、血の気が引いた。t2.microインスタンスのCPUクレジットが完全に枯渇している。 うちのインスタンスは毎日夜中に再起動するのだが、再起動直後、クレジットが回復し始めた途端に一気に消費され、その後枯渇していた。 これは、私の個人開発サーバーが攻撃を受け、仮想通貨マイニングの踏み台にされていた記録です。 異変の発見最初の違和感個人開発で運用していたNext.jsアプリケーション。普段は静かに動いているはずのt2.microのCPUクレジットが何故か枯渇している。 詳しく調べてみると、 ps aux --sort=-%cpu | head -20 USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND ubuntu 2175 0.0 0.0
Another year passes. I was hoping to write more articles instead of just these end-of-the-year screeds, but I almost died in the spring semester, and it sucked up my time. Nevertheless, I will go through what I think are the major trends and happenings in databases over the last year. There were many exciting and unprecedented developments in the world of databases. Vibe coding entered the vernacu
Go: A Documentary
The historical release notes may helpful for general information: doc/go1release Go Release History doc/go1prerelease Pre-Go 1 Release History doc/go0release Weekly Release History (Before Go 1) Language Design General design/go0initial Rob Pike, Robert Griesemer, Ken Thompson. The Go Annotated Specification. Mar 3, 2008. design/go0spec0 The Go Programming Language. Language Specification. Mar 7,
GPT-5 の新パラメータとツール｜npaka
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REST API Design Best Practices Handbook – How to Build a REST API with JavaScript, Node.js, and Express.js
By Jean-Marc Möckel I've created and consumed many API's over the past few years. During that time, I've come across good and bad practices and have experienced nasty situations when consuming and building API's. But there also have been great moments. There are helpful articles online which present many best practices, but many of them lack some practicality in my opinion. Knowing the theory with
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I’ve been meaning to write a post about my perspective on Open Source and corporate entities. I already got the rough outline of it; however, I’m suffering from writer’s block, but more importantly, the whole post is a praise of how Shopify engages with Open Source communities. Hence, given the current climate, I don’t think I could publish it without addressing the elephant in the room first anyw
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「SBOM（Software Bill Of Materials：ソフトウェア部品表）」という概念があります。これはあるソフトウェアを構築する上で利用しているライブラリの一覧をまとめたものです。また、システムにインストールされているソフトウェア一覧を示す場合もあります。今回は手元のUbuntuにインストールされているソフトウェア一覧を簡易的にまとめる方法を紹介しましょう。 SBOMの必要性 昨今のソフトウェアは多種多様なライブラリに依存しながら構築されています。太古のC言語のプログラムなら、シンプルなものならlibcだけ、そこそこ複雑なものでも2、3個のライブラリに依存するだけで済むことが大半でした。それが今風のプログラミング言語になると、特定の便利そうなライブラリに依存するだけで、「だったら俺も僕も私もミーも」といくつものライブラリがバンドルされてしまうのです。 結果的に広く使われてい
LogLog Games
The article is also available in Chinese. Disclaimer: This post is a very long collection of thoughts and problems I've had over the years, and also addresses some of the arguments I've been repeatedly told. This post expresses my opinion the has been formed over using Rust for gamedev for many thousands of hours over many years, and multiple finished games. This isn't meant to brag or indicate su
Amazon Kindle UI is switching from Java to React Native - Good e-Reader
Amazon has been employing Java for their entire UI for the Kindle since they started making them in 2007. In the past year, the company has been dramatically changing the home screen and user interface. Many people are upset about the changes, since it effects their reading flow. Do you know the real reason why they have constantly been changing all aspects of the Kindle? This is because they are
Programming is an iterative process. As much as we would like to come up with the perfect solution from the start, it rarely works that way. Good programs often begin as quick prototypes. While many experiments remain prototypes, the best programs can evolve into production code. Whether you’re writing games, CLI tools, or designing library APIs, prototyping helps tremendously in finding the best
TL;DR; We are changing std::sort in LLVM’s libcxx. That’s a long story of what it took us to get there and all possible consequences, bugs you might encounter with examples from open source. We provide some benchmarks, perspective, why we did this in the first place and what it cost us with exciting ideas from Hyrum’s Law to reinforcement learning. All changes went into open source and thus I can
Everything Wrong with MCP
In just the past few weeks, the Model Context Protocol (MCP) has rapidly grown into the de-facto standard for integrating third-party data and tools with LLM-powered chats and agents. While the internet is full of some very cool things you can do with it, there are also a lot of nuanced vulnerabilities and limitations. In this post and as an MCP-fan, I’ll enumerate some of these issues and some im
Today we’re excited to announce the release of TypeScript 5.2! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by making it possible to declare and describe types. Writing types in our code allows us to explain intent and have other tools check our code to catch mistakes like typos, issues with null and undefined, and more. Types also power TypeScript’s edi
ここしばらく上半期末の事務処理やら稲刈りやらを口実に執筆をサボっているうち、linux-6.0がリリースされていました。最近のバージョン付けルールでは、4.19の次は5.0、5.19の次は6.0と、マイナーバージョンが20になるとメジャーバージョンが繰りあがるようになっているため、「メジャーバージョンアップ」に以前のような感慨は無くなったものの、1991年に開発が始まって以来30有余年、うまずたゆまず開発を続けてきたLinusさんたちの努力には頭が下がります。 最近はあまりカーネルのソースコードを見ることがなかったので、6.0がリリースされた機会に、と久しぶりにあれこれと眺めてみたら、少し変わったことに気づきました。というのも、ほとんどのソースコードの先頭にこんな行が追加されているのです。 $ head linux-6.0/init/main.c // SPDX-License-Iden
'); doc.close(); } if (!doc) throw Error('base not supported'); var baseTag = doc.createElement('base'); baseTag.href = base; doc.getElementsByTagName('head')[0].appendChild(baseTag); var anchor = doc.createElement('a'); anchor.href = url; return anchor.href; } finally { if (iframe) iframe.parentNode.removeChild(iframe); } }()); } // An inner object implementing URLUtils (either a native URL // ob
The FullScreenMario project burned brightly for a few short weeks in October 2013 after Boing Boing lauded it as “a pretty impressive example of what HTML5, in-browser functionality can do.” A few days later, it went viral on Reddit and by November, attention turned to scrutiny, and Nintendo took the project down with a DMCA request. Josh Goldberg speaks of his former project with a bit of pride—i
Update 1.69.1: The update addresses these issues. Update 1.69.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the June 2022 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highlights include: 3-way merge editor - Resolve merge conflicts wit
Golang Mini Reference 2022: A Quick Guide to the Modern Go Programming Language (REVIEW COPY)
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Testing a new encrypted messaging app's extraordinary claims
How I accidentally breached a nonexistent database and found every private key in a 'state-of-the-art' encrypted messenger called Converso I recently heard this ad on a podcast: I use the Converso app for privacy because I care about privacy, and because other messaging apps that tell you they're all about privacy look like the NSA next to Converso. With Converso, you've got end-to-end encryption,
Today we’re excited to announce our Release Candidate of TypeScript 5.2! Between now and the stable release of TypeScript 5.2, we expect no further changes apart from critical bug fixes. To get started using the RC, you can get it through NuGet, or through npm with the following command: npm install -D typescript@rc Here’s a quick list of what’s new in TypeScript 5.2! using Declarations and Explic
Join a VS Code Dev Days event near you to learn about AI-assisted development in VS Code. Update 1.67.1: The update addresses this security issue. Update 1.67.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the April 2022 release of Visual Studio Code. There are many updates in this version that we hope
Most of my readers are probably familiar with procedural programming, object-oriented programming (OOP), and functional programming (FP). The majority of top programming languages on all of the language popularity charts (like TIOBE) support all three to some extent. Even if a programmer avoided one or more of those three paradigms like the plague, they’re likely at least aware of them and what th
12.6. B-Trees — CS3 Data Structures & Algorithms
12.6. B-Trees¶ 12.6.1. B-Trees¶ This module presents the B-tree. B-trees are usually attributed to R. Bayer and E. McCreight who described the B-tree in a 1972 paper. By 1979, B-trees had replaced virtually all large-file access methods other than hashing. B-trees, or some variant of B-trees, are the standard file organization for applications requiring insertion, deletion, and key range searches.
CRDTs go brrr
5000x faster CRDTs: An Adventure in Optimization July 31 2021 A few years ago I was really bothered by an academic paper. Some researchers in France put together a comparison showing lots of ways you could implement realtime collaborative editing (like Google Docs). They implemented lots of algorithms - CRDTs and OT algorithms and stuff. And they benchmarked them all to see how they perform. (Cool
Show navigation A recent article on WebAssembly Garbage Collection (WasmGC) explains at a high level how the Garbage Collection (GC) proposal aims to better support GC languages in Wasm, which is very important given their popularity. In this article, we will get into the technical details of how GC languages such as Java, Kotlin, Dart, Python, and C# can be ported to Wasm. There are in fact two m
Python's "Type Hints" are a bit of a disappointment to me
blog - git - desktop - images - contact Python's "Type Hints" are a bit of a disappointment to me 2022-04-21 Preface You are reading version 2.0 of this blog post. I've incorporated some feedback I got into this revised version. Introduction Over the course of several Python 3.x versions, "type hints" were introduced. You can now annotate functions: def greeting(name: str) -> str: return 'Hello '
Over the course of my Spring 2020 semester at Harvey Mudd College, I developed a self-hosting compiler entirely from scratch. This article walks through many interesting parts of the project. It’s laid out so you can just read from beginning to end, but if you’re more interested in a particular topic, feel free to jump there. Or, take a look at the project on GitHub. Table of contents What the pro
👋 This page was last updated ~4 years ago. Just so you know. In the two years since I’ve posted I want off Mr Golang’s Wild Ride, it’s made the rounds time and time again, on Reddit, on Lobste.rs, on HackerNews, and elsewhere. And every time, it elicits the same responses: You talk about Windows: that’s not what Go is good at! (Also, who cares?) This is very one-sided: you’re not talking about th
Since I was unable to travel for a couple of years during the pandemic, I decided to take my new-found time and really lean into Rust. After writing over 100k lines of Rust code, I think I am starting to get a feel for the language and like every cranky engineer I have developed opinions and because this is the Internet I’m going to share them. The reason I learned Rust was to flesh out parts of t
You’ve reached computer programming nirvana. Your journey has led you down many paths, including believing that God wrote the universe in LISP, but now the truth is clear in your mind: every problem can be solved by writing one more compiler. It’s true. Even our soon-to-be artificially intelligent overlords are nothing but compilers, just as the legends foretold. That smart contract you’ve been wr
'); doc.close(); } if (!doc) throw Error('base not supported'); var baseTag = doc.createElement('base'); baseTag.href = base; doc.getElementsByTagName('head')[0].appendChild(baseTag); var anchor = doc.createElement('a'); anchor.href = url; return anchor.href; } finally { if (iframe) iframe.parentNode.removeChild(iframe); } }()); } // An inner object implementing URLUtils (either a native URL // ob
データ構造はコンピュータサイエンスとソフトウェアエンジニアリングの分野全体で幅広く多様な用途があります。 プログラマにとって、アルゴリズムとデータ構造は最も重要なテーマです。 プログラミングの分野に足を踏み入れたい場合は、最も一般的なデータ構造を習得し、需要の高いスキルであなたの履歴書を強化する必要があります。 本日はデータ構造とアルゴリズムを解説いたします。 データ構造とアルゴリズム データ構造とは？ 8つのデータ構造 アルゴリズムとは？ 覚えておくべきアルゴリズム 検索アルゴリズム 二乗によるべき乗 ソートアルゴリズム ハッシング 文字列の照合と解析 動的計画法(DP) アルゴリズムは何に使用される？ 最後に データ構造とアルゴリズム プログラミングはすべてデータ構造とアルゴリズムに関するものとなります。 コンピュータプログラミングでは、データ構造はコンピュータプログラムでデータを効率
'); doc.close(); } if (!doc) throw Error('base not supported'); var baseTag = doc.createElement('base'); baseTag.href = base; doc.getElementsByTagName('head')[0].appendChild(baseTag); var anchor = doc.createElement('a'); anchor.href = url; return anchor.href; } finally { if (iframe) iframe.parentNode.removeChild(iframe); } }()); } // An inner object implementing URLUtils (either a native URL // ob
The Grug Brained Developer
The Grug Brained Developer A layman's guide to thinking like the self-aware smol brained Introduction this collection of thoughts on software development gathered by grug brain developer grug brain developer not so smart, but grug brain developer program many long year and learn some things although mostly still confused grug brain developer try collect learns into small, easily digestible and fun
Netflix Japan - Watch TV Shows Online, Watch Movies Online
'); doc.close(); } if (!doc) throw Error('base not supported'); var baseTag = doc.createElement('base'); baseTag.href = base; doc.getElementsByTagName('head')[0].appendChild(baseTag); var anchor = doc.createElement('a'); anchor.href = url; return anchor.href; } finally { if (iframe) iframe.parentNode.removeChild(iframe); } }()); } // An inner object implementing URLUtils (either a native URL // ob
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個人開発のEC2が乗っ取られてMoneroを掘られていた話【CVE-2025-55182】｜ねころこ
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