Patterns for promoting PWA installation
Installing your Progressive Web App (PWA) can make it easier for users to find and use. Even with browser promotion, some users don't realize that they can install a PWA, so it can be helpful to provide an in-app experience that you can use to promote and enable installation of your PWA. A simple install button provided within your PWA.This article is by no means exhaustive, but offers a starting
Slack Architecture
The target audience for this article falls into the following roles: Tech workers Students Engineering managers The prerequisite to reading this article is fundamental knowledge of system design components. This article does not cover an in-depth guide on individual system design components. Disclaimer: The system design questions are subjective. This article is written based on the research I hav
Islands Architecture - JASON Format
I’ve struggled to find references to this online, but heard the name used multiple times this year when describing the approach outlined here. To the best of my knowledge, the "Component Islands" pattern was coined by Etsy's frontend architect Katie Sylor-Miller during a meeting we had in 2019. The general idea of an “Islands” architecture is deceptively simple: render HTML pages on the server, an
他人の住民票が誤発行される謎バグの真相、富士通Japanの「稚拙」設計に専門家も驚く
2023年3月、横浜市のコンビニの証明書交付サービスでトラブルが発生した。住民が住民票の写しの交付を申請したところ、別人のものが発行されたのだ。原因は富士通Japanが手掛けるサービスの不具合だった。利用者が増えて負荷が高まり、潜在的なバグが表面化した。国がマイナンバーカード普及に力を注ぐ中、冷や水を浴びせる結果となった。 「個人情報漏洩にも当たる事案で大変重要な問題であり、遺憾に思っている」――。河野太郎デジタル相は2023年3月31日の閣議後記者会見において、厳しい口調でこう述べた。河野氏が言及したのは、横浜市で発生したコンビニの証明書交付サービスにおける住民票の誤発行トラブルについてだ。 横浜市のトラブルは2023年3月27日昼に発生した。住民がマイナンバーカードを使って住民票の写しの交付を受けようとしたところ、他人の住民票が誤発行される事象が相次いだのだ。原因は富士通Japanが手
Pretty Good House
Pretty Good House provides a framework and guidelines to focus on the core issues that should be front and center when designing and building a high quality home or renovation. About the name…. In southern Maine, there’s a small group of building professionals that get together monthly to discuss building science. It sounds boring, I know, but truly it isn’t. Food is brought in, beer is consumed,
YAGNI exceptions
I'm essentially a believer in You Aren't Gonna Need It – the principle that you should add features to your software – including generality and abstraction – when it becomes clear that you need them, and not before. However, there are some things which really are easier to do earlier than later, and where natural tendencies or a ruthless application of YAGNI might neglect them. This is my collecti
Webサービスにおけるマイページの仕様とセキュリティ観点 - Flatt Security Blog
はじめに こんにちは。株式会社Flatt Security セキュリティエンジニアの石川です。 本稿では、ログイン機能をもつWebアプリケーションにおける実装上の注意を、マイページ機能から派生する機能のセキュリティ観点から記載していきます。特に、XSS（Cross-Site Scripting）やSQLインジェクションのような典型的な脆弱性と比較して語られることの少ない「仕様の脆弱性」にフォーカスしていきます。 これから述べる実装上の注意点は、実際にはマイページ機能であるかどうかに関係なく注意するべきです。 しかし、開発者の視点に立つと「これこれの機能にはどのようなセキュリティ観点があるか」という形が読みやすく、また他の機能の仕様のセキュリティを考える上で想像力を働かせやすいものになるのではないでしょうか。 また、株式会社Flatt Securityではお客様のプロダクトに脆弱性がないか専
Networking of a turn-based game
3 years ago, I started developing Swords & Ravens, an open-source online multi-player adaptation of a strategy board game I love, A Game of Thrones: The Board Game (Second Edition), designed by Christian T. Petersen and published by Fantasy Flight Games. As of Febuary 2022, around 500 players gather daily on the platform and more than 2000 games have been played since its release. While I stopped
The 74,000 numbers of Barclays Bank | Hacker News
Having worked on projects related to integration of other systems with the banking systems I can confirm a massive lack of skills, experience, and imagination amongst developers and managers working for banks. They pay hundreds of millions of dollars and get very poor return on their investment in IT because they themselves have no people working for them who have any idea how to build a secure sy
WEB アプリケーション設計入門 / Introduction to web application design
PHP Conference Japan 2020 トーク前提の資料です。そのため、トークがないと理解が難しいかもしれません。 https://youtu.be/UTKJ-Lgn3aI?t=36 ※冒頭音声が小さいです。マイクを手に持ってから聞こえやすくなると思います。 資料中の ADOP については下記を参照ください。 https://nrslib.com/adop/ # Abstract https://fortee.jp/phpcon-2020/proposal/da5b9d99-e5a6-4f51-adea-1f1c10d99020 # Ref https://github.com/nrslib/scrum-app-sample-php https://github.com/nrslib/repository-support-php # URL Togetter: https://
How I built Remote | OK and launched it to #1 on Product Hunt
A few years ago I sold all my stuff to explore the world, creating 12 startups in 12 months and building $1M+/y companies as an indie maker such as Nomad List and Remote OK. I'm also a big pusher of remote work and async and analyze the effects it has on society. Follow me on Twitter or see my list of posts. My first book MAKE is out now. Contact me Almost a year a go, I set a goal to launch 12 st
The Horror of Microsoft Teams
I wrote this mostly whilst finishing a period of employment where I was obliged to use Microsoft Teams. For those who have not had the pleasure, it’s Microsoft’s counter to Slack, the instant-messaging client beloved in tech. Microsoft first introduced Teams in March 2017 and recently announced that they have ‘overtaken’ Slack, claiming more than 13 million daily active users, or 19 million weekly
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敷地に棚田を取り込んだ隈研吾氏設計のホテル、星野リゾート「界 由布院」への賛否
Implementing "seen by" functionality with Postgres
How I fell in love with low-js
GitHub - itsfrank/MinecraftHDL: A Verilog synthesis flow for Minecraft redstone circuits
GitHub - duffn/dumb-password-rules: A compilation of sites with dumb password rules.
監視 入門 ~ マイクロサービス時代の監視設計