しくじり先生のように学ぶ「NFS+sqliteで苦労した話から学ぶ、問題解決の考え方」という勉強会をやってみました | 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。 インフラLinux勉強会SQLiteNFS こんにちは、羽山です。 今回は社内で実施した勉強会をほぼそのままブログ記事にしています。 ITエンジニアたるものドキュメントを残したり勉強会を実施したり分かりやすい設計にリファクタリングしたりなど、日々 知見の伝達 を意識していると思います。主要な知見はたいていそれらの方法で満たせるのですが、しかし残念ながら中には画一的な方法では伝えにくいものもあったりします。 ところで伝統芸能や工芸の世界では技術の継承において 背中を見て学ぶ という方法が用いられることがあるようです。 これと似た手法はITエンジニアの世界にもあって、先輩エンジニアとペアプログラミングをすることで文書では伝わりにくい技術や考え方・テクニックを学ぶ
![しくじり先生のように学ぶ「NFS+sqliteで苦労した話から学ぶ、問題解決の考え方」という勉強会をやってみました | 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/9477296f61e752f8b6816cb517cdb9166a028f2c/height=288;version=1;width=512/https%3A%2F%2Ftechblog.raccoon.ne.jp%2Fwp-content%2Fuploads%2F2021%2F10%2Fscience_hakase_shippai_s.png)
2024-08-22, Version 22.7.0 (Current), @RafaelGSS Experimental transform types support With the new flag --experimental-transform-types it is possible to enable the transformation of TypeScript-only syntax into JavaScript code. This feature allows Node.js to support TypeScript syntax such as Enum and namespace. Thanks to Marco Ippolito for making this work on #54283. Module syntax detection is now
iOS Hacking - A Beginner’s Guide to Hacking iOS Apps [2022 Edition]
My first post will be about iOS Hacking, a topic I’m currently working on, so this will be a kind of gathering of all information I have found in my research. It must be noted that I won’t be using any MacOS tools, since the computer used for this task will be a Linux host, specifically a Debian-based distribution, in this case, Kali Linux. I will also be using ‘checkra1n’ for the device jailbreak
Why DuckDB
There are many database management systems (DBMS) out there. But there is no one-size-fits all database system. All take different trade-offs to better adjust to specific use cases. DuckDB is no different. Here, we try to explain what goals DuckDB has and why and how we try to achieve those goals through technical means. To start with, DuckDB is a relational (table-oriented) DBMS that supports the
Concurrency is not very intuitive. You need to train your brain to consider what happens when multiple processes execute a certain code block at the same time. There are several issues I often encounter: Failing to recognize potential concurrency issues: It's not uncommon for both beginner and seasoned developers to completely miss a potential concurrency problem. When this happens, and the concur
Temporal Python SDK: A Durable, Distributed Asyncio Event Loop We are excited about the GA release of the Temporal Python SDK. Python is now a fully-supported workflow language in Temporal, and our use of native asyncio constructs makes it a perfect fit for Python developers looking to write durable workflows. Here are some links to read more about Temporal Python: Repository Application Developme
Sketch of a Post-ORM
I’ve been writing a lot of database access code as of late. It’s frustrating that in 2023, my choices are still to either write all of the boilerplate by hand, or hand all database access over to some inscrutable “agile” ORM that will become a crippling liability in the 2-3y timescale. This post is about how I want to use databases, from the perspective of an application server developer—not a DBA
Best practices when writing a Dockerfile for a Ruby application
Best practices when writing a Dockerfile for a Ruby application The simplicity of the Dockerfile format is one of the reasons why Docker managed to become so popular in the first place. Getting something working is fairly easy. Producing a clean, small, secure image that will not leak secrets might not be as straight-forward though. This post will try to share some best practices when writing a Do
Join a VS Code Dev Days event near you to learn about AI-assisted development in VS Code. Release date: September 11, 2025 Update 1.104.1: The update addresses these issues. Update 1.104.2: The update addresses these issues. Downloads: Windows: x64 Arm64 | Mac: Universal Intel silicon | Linux: deb rpm tarball Arm snap Welcome to the August 2025 release of Visual Studio Code. There are many updates
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Node.js — Node.js v22.7.0 (Current)
Handling Concurrency Without Locks
Temporal Python SDK | Durable Asyncio Event Loop
August 2025 (version 1.104)