浮動小数点型の算術とお近づきになりたい人向けの記事 - えびちゃんの日記
お近づきになりたい人向けシリーズです。 いろいろなトピックを詰め込みましたが、「これら全部を知らないといけない」のようなつもりではなく、いろいろなことを知るきっかけになったらいいなという気持ちなので、あまり身構えずにちょっとずつ読んでもらえたらうれしい気がします。 まえがき 予備知識 規格 用語 精度という語について 記法 表現について 有限値の表現について エンコードについて 丸めについて よくある誤差や勘違いの例 0.1 = 1 / 10? 0.1 + 0.2 = 0.3? 整数の誤差 Rump’s Example 基本的な誤差評価 用語に関して 実数の丸め 有理数の丸め 基本演算の丸め 差について 複数回の演算 補題たち 桁落ちについて Re: Rump’s example 融合積和 数学関数に関する式の計算 誤差の削減に関して 総和計算 数学関数の精度について 比較演算について 雑
A trip through the Graphics Pipeline 2011: Index
Welcome. This is the index page for a series of blog posts I’m currently writing about the D3D/OpenGL graphics pipelines as actually implemented by GPUs. A lot of this is well known among graphics programmers, and there’s tons of papers on various bits and pieces of it, but one bit I’ve been annoyed with is that while there’s both broad overviews and very detailed information on individual compone
The Laws of Reflection - The Go Programming Language
Rob Pike 6 September 2011 Introduction Reflection in computing is the ability of a program to examine its own structure, particularly through types; it’s a form of metaprogramming. It’s also a great source of confusion. In this article we attempt to clarify things by explaining how reflection works in Go. Each language’s reflection model is different (and many languages don’t support it at all), b
Building secure web apps using Web Workers | Mercari Engineering
Security is paramount for our users, and we at mercari strive to provide a snappy and safe platform. We recently introduced an additional layer of defence by adding Web Workers to secure the access token. It now protects the users from various kinds of attacks, including token theft from Cross Site Scripting (XSS), Cross Site Request Forgery (CSRF), prototype pollution, zero-day npm package vulner
Excel Object model overview - Visual Studio (Windows)
To develop solutions that use Microsoft Office Excel, you can interact with the objects provided by the Excel object model. This topic introduces the most important objects: Application Workbook Worksheet Range Applies to: The information in this topic applies to document-level projects and VSTO Add-in projects for Excel. For more information, see Features available by Office application and proje
[MS-XLS]: Excel Binary File Format (.xls) Structure
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Rust's Unsafe Pointer Types Need An Overhaul - Faultlore
Rust's Unsafe Pointer Types Need An Overhaul I think about unsafe pointers in Rust a lot. I literally wrote the book on unsafe Rust. And the book on pointers in Rust. And redesigned the Rust’s pointer APIs. And designed the standard library’s abstraction for unsafe heap-allocated buffers. And maintain the alternative Vec layout. I think about unsafe pointers in Rust a lot, and I absolutely hate th
R for Data Science
This is the website for the first edition of “R for Data Science”, published January 2017. This book is now out-of-date and instead we recommend the 2nd edition at http://r4ds.hadley.nz/ which was published in June 2023. R4DS teaches you how to do data science with R: You’ll learn how to get your data into R, get it into the most useful structure, transform it, visualise it and model it. In this b
Inno Setup
Inno Setup is a free installer for Windows programs by Jordan Russell and Martijn Laan. First introduced in 1997, Inno Setup today rivals and even surpasses many commercial installers in feature set and stability. Features Learn more about what Inno Setup can do. Download Inno Setup Get the latest version of Inno Setup here. Mailing List Be notified by e-mail whenever major new versions are releas
About - Rust API Guidelines
This is a set of recommendations on how to design and present APIs for the Rust programming language. They are authored largely by the Rust library team, based on experiences building the Rust standard library and other crates in the Rust ecosystem. These are only guidelines, some more firm than others. In some cases they are vague and still in development. Rust crate authors should consider them
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The Microsoft Excel File Format
Microsoft Office Excel 97-2003 Binary File Format (.xls, BIFF8)
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How to identify (detect and name) the antivirus software installed on the PC with C# on WinForms
An Overview of Cryptography
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