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Getting Started with Feature Flags in Unleash

2023-06-29

Are you familiar with Feature Flags? They are a powerful tool that makes it easy to control the release of new features and conduct A/B testing. However, managing feature flags is not easy without the right management tool. In this article, we will discuss **Unleash**, a tool that streamlines the management of feature flags....

Automating Synchronization with GitHub Actions and Pull Requests

2023-01-03

Happy New Year. I am silverbirder, who drew the best fortune for the first time in my life at a shrine. I feel that the communication to synchronize things like Figma's design tokens, API schema files, and i18n message files to the frontend in my daily work is unproductive. Therefore, I will introduce a mechanism to reduce synchronization communication using GitHub Actions and Pull Requests....

The GraphQL Guild Ecosystem is Convenient, Isn't It?

2022-10-15

Do you know about the GraphQL Guild? In the GraphQL community, Code Generator is well-known, but......

Crawlee is Handy for Quick Crawling

2022-09-14

There are times when you want to scrape data. I found the OSS Crawlee to be useful, so I'm sharing it....

Self-hosting a Cache Server with turborepo-remote-cache

2022-09-11

Vercel's build system, turborepo, is a super-fast monorepo tool. One of the features that make it super-fast is the remote cache. This feature uses Vercel's cache server, but there is also a way to self-host the cache server. In this article, I will introduce that....

Trying Data Transformation with urql

2022-08-10

When using a GraphQL client, you may want to transform the data after fetching it. I found that exchanges in the GraphQL client urql can be used for data transformation, so I will share that....

How to display Twitter embedded content in an iframe after rendering

2022-05-22

The conclusion is to find the `twttr` object from `iframe.contentWindow` and write the display process as the second argument of `event.bind("rendered", () => {})`. The background is that you want to display embedded content from a URL like `https://twitter.com/openwc/status/1427617679427440643` on a blog site. The html in the response of `https://publish.twitter.com/oembed?url=${URL}` becomes the embedded content. By setting this to the srcdoc of the iframe, you can display the embedded content....

Mockable unit testing methodology completed only with BigQuery

2021-11-26

BigQuery, do you use it? I am building data using BigQuery in my work. For quality assurance, I want to test against BigQuery SQL....

Introduction to LLVM - Compiling JavaScript to LLVM (Rust:inkwell) JIT

2021-09-04

I, who had no knowledge of LLVM, a compiler infrastructure, have managed to parse JavaScript source code and compile it with LLVM. There are many articles about LLVM, but I felt there were few for beginners, so in this article, I will try to write an article that can introduce LLVM as simply as possible. The source code is placed here....

Memo Micro Frontends

2020-11-19

What are Micro Frontends? Do you know about **Micro Frontends** (hereinafter, MFE)? To put it simply, it is a concept that extends the idea of Microservices to the frontend. We often hear about cases where Microservices are applied on the backend side, but we don't often hear about their application on the frontend....

Want to be a Virtual Beauty on Mac! (Zoom + Gachikoe + 3Tene or Reality)

2020-03-08

The trigger. Are you all doing remote work (telework)? I think the opportunities to use video conferencing tools like Hangouts Meet and Zoom have increased. Amidst this, the following article became popular. Virtual Beauty (Babiniku) is an abbreviation for Virtual Beautiful Girl Incarnation or Virtual Beautiful Girl Self-Incarnation....