0 issue "letsencrypt.org" 0 issuewild "letsencrypt.org" 0 iodef "mailto:yourmail@example.jp" §OS再インストール 初期設定で期待通りの設定ができていない場合は、OSの再インストールをする。 さくらVPSのコントロールパネルから、OSを再インストールするサーバを選ぶ。 www99999ui.vs.sakura.ne.jp §OSのインストール操作 Ubuntu 24.04 LTS を選ぶ。 OSインストール時のパケットフィルタ（ポート制限）を無効にして、ファイアウォールは手動で設定することにする。 初期ユーザのパスワードに使える文字が制限されているので、ここでは簡単なパスワードにしておき、後ですぐに複雑なパスワードに変更する。 公開鍵認証できるように公開鍵を登録しておく。 §秘密鍵と公開鍵の作成 ク
関数名、メソッド名、変数名でよく使う英単語のまとめ
プログラミングをしていると関数名、メソッド名、変数名をどうするか悩みます。 ロジックより命名に時間を費やすこともざらにあります。翻訳したり、一般的な命名規則なのかいつも検索して大変です。 よく使うサイトの内容をコピってメモしておく 関数名とメソッド名の違いについて よく使う英単語のまえに、いつもごっちゃにして使っているけど、定義はこんな感じ 「関数」と「メソッド」の違い 似ているところ どちらも何か（引数）を入れると処理をして何か（戻り値）を返してくれます。 違うところ やってること自体は大差ありません。概念としては違います。 メソッドはオブジェクト指向で登場する用語で、オブジェクトの動作を定義したものです。 まずオブジェクトありきなのですね。一方の関数は、オブジェクト云々は関係ありません。 個人的な使い分け Java で登場する関数は「メソッド」です。C 言語で登場する関数は「関数」と呼
敵対的プロンプト技術まとめ - Qiita
こんにちは@fuyu_quantです。 この記事はLLM Advent Calender 2023 17日目の記事です。 よかったらプライベートで作成したData Science wikiのGPTsも見て下さい！ はじめに 今回は敵対的なプロンプト技術についてまとめました．まとめ方は主に，Ignore This Title and HackAPrompt: Exposing Systemic Vulnerabilities of LLMs through a Global Scale Prompt Hacking Competition というLLMに対する敵対的なプロンプト技術に関してまとめた論文を参考にしています．本記事の内容が世の中のLLMを使ったサービスの機能向上の役に立てれば幸いです． ※世の中のLLMサービスが敵対的なプロンプト手法に対応できるように公開をしたものであり，利用を
GraphQL is an incredible piece of technology that has captured a lot of mindshare since I first started slinging it in production in 2018. You won’t have to look far back on this (rather inactive) blog to see I have previously championed this technology. After building many a React SPA on top of a hodge podge of untyped JSON REST APIs, I found GraphQL a breath of fresh air. I was truly a GraphQL h
You can check out a YouTube recording of a talk based on this blog post. I started programming in Rust several years ago, and it has gradually changed the way I design programs in other programming languages, most notably in Python. Before I started using Rust, I was usually writing Python code in a very dynamic and type-loose way, without type hints, passing and returning dictionaries everywhere,
Code Interpreter API
Editor's Note: This is another installation of our guest blog posts highlighting interesting and novel use cases. This blog is written by Shroominic who built an open source implementation of the ChatGPT Code Interpreter. Important Links: GitHub RepoIn the world of open-source software, there are always exciting developments. Today, I am thrilled to announce a new project that I have been working
gistfile1.txt �t�˪� p�#̪� You are ChatGPT, a large language model based on the GPT-5 model and trained by OpenAI. Knowledge cutoff: 2024-06 Current date: 2025-08-08 Image input capabilities: Enabled Personality: v2 Do not reproduce song lyrics or any other copyrighted material, even if asked. You're an insightful, encouraging assistant who combines meticulous clarity with genuine enthusiasm and ge
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
プロと読み解くRuby 3.4 NEWS テクノロジー部門技術基盤グループの笹田（ko1）と遠藤（mame）です。Ruby (MRI: Matz Ruby Implementation、いわゆる ruby コマンド) の開発をしています。お金をもらって Ruby を開発しているのでプロの Ruby コミッタです。 本日 12/25 に、恒例のクリスマスリリースとして、Ruby 3.4.0 がリリースされました（Ruby 3.4.0 リリース ）。今年も STORES Product Blog にて Ruby 3.4 の NEWS.md ファイルの解説をします（ちなみに、STORES Advent Calendar 2024 の記事になります。他も読んでね）。NEWS ファイルとは何か、は以前の記事を見てください。 プロと読み解く Ruby 2.6 NEWS ファイル - クックパッド開発者
Developers are increasingly relying on AI coding assistants to accelerate our daily workflows. These tools can autocomplete functions, suggest bug fixes, and even generate entire modules or MVPs. Yet, as many of us have learned, the quality of the AI’s output depends largely on the quality of the prompt you provide. In other words, prompt engineering has become an essential skill. A poorly phrased
Couple of weeks ago when I was publishing The Hidden Cost of URL Design I needed to add SQL syntax highlighting. I headed to PrismJS website trying to remember if it should be added as a plugin or what. I was overwhelmed with the amount of options in the download page so I headed back to my code. I checked the file for PrismJS and at the top of the file, I found a comment containing a URL: /* http
We recently added Python support to Wasm Language Runtimes. This article provides an overview of how Python works in WebAssembly environments and provides a step by step guide on how to use it. At VMware OCTO WasmLabs we want to grow the WebAssembly ecosystem by helping developers adopt this new and exciting technology. Our Wasm Language Runtimes project aims to provide up-to-date, ready-to-run We
JavaScript, the undisputed king of web development, is being sabotaged — not by a rival language or a revolutionary new technology, but by its own baggage from the past. This insidious saboteur is none other than CommonJS, the antique module system that we’ve tolerated for far too long. The rise of CommonJS About 15 years after its invention, JavaScript started expanding beyond the browser to the
Preliminaries What Is xargs? It's an adapter between text streams and argv arrays, two essential concepts in shell. You pass it flags that specify how to split stdin. Then it generates arguments and invokes processes. Example: $ echo 'alice bob' | xargs -n 1 -- echo hi hi alice hi bob What's happening here? xargs splits the input stream on whitespace, producing 2 arguments, alice and bob. We passe
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
OpenTelemetry 公式の Instrumentation ライブラリを使っていると、Requestsのspanの名前が "GET" だけだったり、 mysqlclient のspanが "SELECT" だけだったりします。 たとえばGrafanaでトレースを見ていると "SELECT" ばかりが何個も並んでいて、一つ一つクリックして attributes の db.statement を確認していかないとどのクエリを実行しているのか分かりません。非常に面倒です。 Flaskのspanであれば "GET /user/<id:int>" のように表示してくれるのに、なぜRequestsのspanの名前はtable名やpathを書いてくれないのでしょうか。それは OpenTelemetry の Semantic conventions でそう推奨されているからです。 HTTP spa
Making a Small RPG
I’ve always wanted to try my hand making an RPG but always assumed it would take too much time. However, I didn’t want to give up before trying so I started to think of ways I could still make something compelling in 1-2 months. Looking Into Prior ArtTo help me come up with something, I decided to look into older RPGs as I had a hunch they could teach me a lot about scoping because back in the 80s
Assessing Claude Mythos Preview’s cybersecurity capabilities April 7, 2026 Nicholas Carlini, Newton Cheng, Keane Lucas, Michael Moore, Milad Nasr, Vinay Prabhushankar, Winnie Xiao Hakeem Angulu, Evyatar Ben Asher, Jackie Bow, Keir Bradwell, Ben Buchanan, David Forsythe, Daniel Freeman, Alex Gaynor, Xinyang Ge, Logan Graham, Kyla Guru, Hasnain Lakhani, Matt McNiece, Mojtaba Mehrara, Renee Nichol, A
Context is all you need: Better AI results with custom instructions
Version 1.108 is now available! Read about the new features and fixes from December. March 26, 2025 by Rob Conery, @robconery.com, Burke Holland, @burkeholland Earlier this month, we announced the general availability of custom instructions in Visual Studio Code. Custom instructions are how you give Copilot specific context about your team's workflow, your particular style preferences, libraries t
2025: The year in LLMs
31st December 2025 This is the third in my annual series reviewing everything that happened in the LLM space over the past 12 months. For previous years see Stuff we figured out about AI in 2023 and Things we learned about LLMs in 2024. It’s been a year filled with a lot of different trends. The year of “reasoning” The year of agents The year of coding agents and Claude Code The year of LLMs on th
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
GitHub - microsoft/data-formulator: 🪄 Create rich visualizations with AI
[12-08-2025] Data Formulator 0.5.1 — Connect more, visualize more, move faster 🔌 Community data loaders: Google BigQuery, MySQL, Postgres, MongoDB 📊 New chart types: US Map & Pie Chart (more to be added soon) ✏️ Editable reports: Refine generated reports with Chartifact in markdown style. demo ⚡ Snappier UI: Noticeably faster interactions across the board [11-07-2025] Data Formulator 0.5: Vibe w
Introduction⌗ Postgres queue tech is a thing of beauty, but far from mainstream. Its relative obscurity is partially attributable to the cargo cult of “scale”. The scalability cult has decreed that there are several queue technologies with greater “scalability” than Postgres, and for that reason alone, Postgres isn’t suitably scalable for anyone’s queuing needs. The cult of scalability would rathe
Photo by Claudio Schwarz on Unsplash. How to create a Python package? In order to create a Python package, you need to write the code that implements the functionality you want to put in your package, and then you need to publish it to PyPI. That is the bare minimum. Nowadays, you can also set up a variety of other things to make your life easier down the road: continuous testing of your package;
Today we’re excited to announce the release of TypeScript 4.8! If you’re not yet familiar with TypeScript, it’s a language that builds on JavaScript and adds syntax for types. These types let you put your expectations and assumptions into your code, and those assumptions can then be checked by the TypeScript type-checker. This checking can help avoid typos, calling uninitialized values, mixing up
Gamedev in Lisp. Part 1: ECS and Metalinguistic Abstraction - cl-fast-ecs by Andrew
Gamedev in Lisp. Part 1: ECS and Metalinguistic Abstraction In this series of tutorials, we will delve into creating simple 2D games in Common Lisp. The result of the first part will be a development environment setup and a basic simulation displaying a 2D scene with a large number of physical objects. It is assumed that the reader is familiar with some high-level programming language, has a gener
【機械学習】機械学習を用いたin silico screening【AI創薬】~第1章 公共データベース（ChMBL)からの機械学習の学習データを収集~ - LabCode
AI創薬とは？ AI創薬は、人工知能（AI）技術を利用して新しい薬物を発見、開発するプロセスです。AIは大量のデータを高速に処理し、薬物の候補を予測したり、薬物相互作用を評価したりします。また、AIは薬物の効果や安全性をシミュレートすることも可能で、臨床試験の前の段階でリスクを評価することができます。これにより、薬物開発のコストと時間を大幅に削減することが期待されています。AI創薬は、薬物開発の新しいパラダイムとして注目を集め、製薬企業や研究機関で積極的に研究、導入が進められています。また、バイオインフォマティクス、ケモインフォマティクス、機械学習、ディープラーニングなどの技術が組み合わされ、薬物開発のプロセスを革新しています。さらに、AI創薬は個人化医療の推進にも寄与し、患者にとって最適な治療法を提供する可能性を秘めています。 今回はAI創薬の中でも、in silico screeeni
Heya. Sorry for not writing for so long. I’ll make up for it with 3000 pages here. I’m just hopping right now. That’s kinda the only way to get me to blog anymore. I’ve rewritten this post so many times. It’s about AI. But AI is changing so fast that the post is out of date within a few days. So screw it. I’m busting this version out in one sitting. (Spoiler alert: There’s some Sourcegraph stuff a
Piccolo - A Stackless Lua Interpreter 2024-05-01 History of piccolo A "Stackless" Interpreter Design Benefits of Stackless Cancellation Pre-emptive Concurrency Fuel, Pacing, and Custom Scheduling "Symmetric" Coroutines and coroutine.yieldto The "Big Lie" Rust Coroutines, Lua Coroutines, and Snarfing Zooming Out piccolo is an interpreter for the Lua language written in pure, mostly safe Rust with a
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
Update 1.99.1: The update addresses these security issues. Update 1.99.2: The update addresses these issues. Update 1.99.3: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the March 2025 release of Visual Studio Code. There are many updates in this version that we hope you'll like, some of the key highligh
CUPID: for joyful coding
What started as lighthearted iconoclasm, poking at the bear of SOLID, has developed into something more concrete and tangible. If I do not think the SOLID principles are useful these days, then what would I replace them with? Can any set of principles hold for all software? What do we even mean by principles? I believe that there are properties or characteristics of software that make it a joy to
Golang Mini Reference 2022: A Quick Guide to the Modern Go Programming Language (REVIEW COPY)
Golang Mini Reference 2022 A Quick Guide to the Modern Go Programming Language (REVIEW COPY) Harry Yoon Version 0.9.0, 2022-08-24 REVIEW COPY This is review copy, not to be shared or distributed to others. Please forward any feedback or comments to the author. • feedback@codingbookspress.com The book is tentatively scheduled to be published on September 14th, 2022. We hope that when the release da
Vjeux » Birth of Prettier
React Conf is around the corner and it's been almost 10 years since Prettier was released. I figured it would be a good time to recount the journey from its early days to now. This is the story of how the "Space vs Tabs Holy War" ended, not through one side winning over the other but instead a technological invention making it the underlying source of tensions no longer being a thing. Back Story S
Weird Lexical Syntax
I just learned 42 programming languages this month to build a new syntax highlighter for llamafile. I feel like I'm up to my eyeballs in programming languages right now. Now that it's halloween, I thought I'd share some of the spookiest most surprising syntax I've seen. The languages I decided to support are Ada, Assembly, BASIC, C, C#, C++, COBOL, CSS, D, FORTH, FORTRAN, Go, Haskell, HTML, Java,
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
Syntax Highlighting in Hand-Coded Websites The problem I have been trying to identify practical reasons why hand-coding websites with HTML and CSS is so hard (by hand-coding, I mean not relying on frameworks, generators or 3rd party scripts that modify the DOM). Let's say, I want to make a blog. What are the actual things that prevent me from making—and maintaining—it by hand? What would it take t
Parsing SQL - Strumenta
The code for this tutorial is on GitHub: parsing-sql SQL is a language to handle data in a relational database. If you worked with data you have probably worked with SQL. In this article we will talk about parsing SQL. It is in the same league of HTML: maybe you never learned it formally but you kind of know how to use it. That is great because if you know SQL, you know how to handle data. However
How I developed a faster Ruby interpreter | Red Hat Developer
In this article, I will describe my efforts to implement a faster interpreter for CRuby, the Ruby language interpreter, using a dynamically specialized internal representation (IR). I believe this article will interest developers trying to improve the interpreter performance of dynamic programming languages (e.g., CPython developers). I will cover the following topics: Existing CRuby interpreter a
The unreasonable effectiveness of f-strings and re.VERBOSE
... in which we look at one or two ways to make life easier when working with Python regular expressions. tl;dr: You can compose verbose regular expressions using f-strings. Here's a real-world example – instead of this: 1pattern = r"((?:\(\s*)?[A-Z]*H\d+[a-z]*(?:\s*\+\s*[A-Z]*H\d+[a-z]*)*(?:\s*[\):+])?)(.*?)(?=(?:\(\s*)?[A-Z]*H\d+[a-z]*(?:\s*\+\s*[A-Z]*H\d+[a-z]*)*(?:\s*[\):+])?(?![^\w\s])|$)"
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Ubuntu 24.04 LTS サーバ構築手順書
Why, after 6 years, I’m over GraphQL
Writing Python like it’s Rust
gpt-5 leaked system prompt
プロと読み解くRuby 3.4 NEWS - STORES Product Blog
The Prompt Engineering Playbook for Programmers
Your URL Is Your State
Adding Python WASI support to Wasm Language Runtimes
CommonJS is hurting JavaScript | Deno
An Opinionated Guide to xargs
OTLPのspan nameが情報量少なすぎる件 - methaneのブログ
Claude Mythos Preview \ red.anthropic.com
Changing std::sort at Google’s Scale and Beyond
Choose Postgres queue technology
How to create a Python package in 2022
Announcing TypeScript 4.8 - TypeScript
Cheating is All You Need | Sourcegraph Blog
kyju.org - Piccolo - A Stackless Lua Interpreter
June 2022 (version 1.69)
March 2025 (version 1.99)
April 2022 (version 1.67)
Font with Built-In Syntax Highlighting