[Ruby on Rails] Solution for 'An error occurred while installing pg (1.4.5), and Bundler cannot continue.' [macOS Edition]

How to fix pg gem install errors on macOS by installing libpq with Homebrew and updating PATH.

Managing Multiple Ruby Versions with asdf

Installing and managing multiple Ruby versions on M1 macOS with the asdf-ruby plugin.

How to Manage Nameservers for Domains Acquired from Onamae.com with Cloudflare

How to point an Onamae.com domain at Cloudflare's nameservers, end to end.

Compound Startup Insights Summary

A chronological link roundup of Japanese articles and podcasts on the 'compound startup' multi-product SaaS trend.

Load Testing Tool k6 Beginner's Guide Summary

A link roundup of beginner articles, official docs, and follow-up knowledge for the k6 load testing tool.

Reading Notes: 'REMOTE: Office Not Required' by Jason Fried and David Heinemeier Hansson, translated by Riko Takahashi

Reading notes on 'REMOTE: Office Not Required' — quotes and reflections on remote work operations, hiring, and communication.

AWS Multi-Tenant SaaS Architecture Beginner's Guide Summary

A curated list of beginner resources for AWS multi-tenant SaaS architecture.

Load Testing Tool k6 --compatibility-mode=base Sample Code

Sample code for running the k6 load testing tool faster with --compatibility-mode=base.

Tile Pro/Slim/Sticker Smart Tracker (Anti-Loss Tag) Review

My review of Tile Pro, Slim, and Sticker smart trackers, including a dead-on-arrival Sticker unit.

How to Transpile ES6 to ES5 with webpack + Babel

Sample webpack + Babel setup to transpile ES6 to ES5 for use with the k6 load testing tool.

Managing Multiple Go Versions with asdf

Installing and managing multiple Go versions on M1 macOS with the asdf-golang plugin.

Reading Notes: 'Implementing the Future - Four Principles for Social Transformation Through Technology' by Takaaki Umada

Reading notes on Takaaki Umada's 'Implementing the Future', covering rebundling, demand, narrative, and over-communication.

Password Reset Required for First Root Account Login After Creating New Account in AWS Organizations

How to perform the initial root login on a new AWS Organizations member account by resetting the initial password.

Product Strategy Development Practical Introduction - BtoB Edition

A curated reading list of references and case studies for developing a BtoB product strategy.

Reading Notes: 'Japanese Dream - E-Revolution Declaration by a 26-year-old Listed Company President!' by Susumu Fujita

Notes from Susumu Fujita's 'Japanese Dream' on eliminating person-dependency to build a strong organization.

Amazon WorkSpaces 'Unable to login' Error and 'Unhealthy' Status Troubleshooting

Recovering an Amazon WorkSpaces instance stuck in 'Unhealthy' status with an 'Unable to login' error via rebuild.

Automatic Japanese Text Transcription from Audio Files with whisper.cpp

Notes on transcribing audio to Japanese text using whisper.cpp.

Sample Module Code for Getting Amazon Cognito Access Token with k6 Load Testing Tool

Sample k6 code that gets an Amazon Cognito access token in setup and runs authenticated load tests.

GitHub ex-CTO Jason Warner and Monolith > Apps > Services > Microservices

GitHub ex-CTO Jason Warner's thread on the Monolith > apps > services > microservices architecture spectrum.

Reading Notes: 'Amazon Web Services Load Testing Introduction - Understanding How to Draw Out Cloud Performance' by Narikawa Taruha

Reading notes on 'Amazon Web Services Load Testing Introduction' — a starting point for load testing on AWS.

esbuild does not support transpiling to ES5

A quick note that esbuild does not support transpiling down to ES5.

I bought a Spigen Pixel 7 case

About a year of using the Spigen Pixel 7 case, and its wireless charging and NFC limitations.

Practical Introduction to Load Testing

A quick reading list for getting started with load testing — voluntas's intro gist and an AWS-focused book.

Application for load testing of API / Web services built on AWS

When AWS-side approval is or isn't needed for load testing APIs or web services on AWS.

I became the CTO and Director of ROUTE06 Inc.

A short announcement about being appointed CTO and Director of ROUTE06 Inc.

Sample code to log into Amazon Cognito and get Access Token [CLI curl edition]

A curl + jq CLI snippet for logging into Amazon Cognito and extracting the Access Token.

xk6-cognito verification -> Got errors and it didn't work

Trying the xk6-cognito k6 module ended in a context.Context conversion error — here's the reproduction and known issue.

Reading Notes: 'Accelerate: The Science of Lean Software and DevOps - Building and Scaling High Performing Technology Organizations'

Notes on 'Accelerate' — capability over maturity, the four delivery metrics, trunk-based development, and team-chosen tooling.

Managing Multiple k6 Versions with asdf

Installing and managing multiple k6 load-testing versions on M1 macOS with the asdf-k6 plugin.

Commands to Enable yarn with asdf

How to enable yarn under asdf-managed Node.js by combining `corepack enable` and `asdf reshim nodejs`.

I Purchased Google Pixel 7

A record of upgrading from Pixel 6 to Pixel 7 and migrating my data.

PRD (Product Requirements Document) Japanese-English Translation Reference List

A Japanese-English translation reference list for the typical sections of a PRD (Product Requirements Document).

How to Share Google Drive Files as a Guest with Non-Google Account Email Addresses

Sharing Google Drive files with non-Google-account recipients as visitors, and the role restrictions.

Reading Notes: 'Team Topologies: Organizing Business and Technology Teams for Fast Flow'

Notes from 'Team Topologies' on cognitive load, team APIs, and the four team types and three interaction modes.

Converting MOV to MP4 with Resizing Using FFmpeg

A one-line FFmpeg command to convert .mov to .mp4 while resizing to 1280x720.

Recommended Books for New Employees

Recommended books for new employees covering onboarding and the purpose of 1on1s.

Recommended Books for Directors/Executive Officers/Management of Tech Startups

Four book recommendations for tech-startup directors and managers, each linked to my reading notes.

'Building Engineering Organizations at Rapidly Growing Mega Ventures [M3 × MonotaRO]' Event Report #エンジニア組織_findy

Notes from Findy's M3 x MonotaRO event on how mega ventures build engineering organizations.

Using DefaultCredentialsProvider Instead of ProfileCredentialsProvider [AWS SDK for Java]

Switching AWS SDK for Java from `ProfileCredentialsProvider` to `DefaultCredentialsProvider` and its benefits.

Resolving 'Resolved xxx which is not part of the dependency lock state' Error in ./gradlew build with ./gradlew resolveAndLockAll --write-locks

Fixing the Gradle 'not part of the dependency lock state' error with ./gradlew resolveAndLockAll --write-locks.

HUAWEI Band 7 Smartwatch Review

A short review of the HUAWEI Band 7 — pairing, and swapping the quickly broken original band for a stainless one.

How to Update dependencies in build.gradle.kts and Reflect Changes to gradle.lockfile in Gradle

Add a dependency to build.gradle.kts and reflect it to gradle.lockfile via ./gradlew dependencies --write-locks.

Reading Notes: 『Who You Are（フーユーアー）君の真の言葉と行動こそが困難を生き抜くチームをつくる』(What You Do Is Who You Are) by Ben Horowitz

Reading notes from Ben Horowitz's 'What You Do Is Who You Are', focused on culture, priorities, and decision-making styles.

Reading Notes: 『HIGH OUTPUT MANAGEMENT』by Andrew S. Grove

Notes from 'High Output Management' on managerial leverage, one-on-ones, and task-relevant maturity.

Reading Notes: 『エンジニアリング組織論への招待 ~不確実性に向き合う思考と組織のリファクタリング』(An Invitation to Engineering Organization Theory) by Hiroki Daichi

Notes from 'An Invitation to Engineering Organization Theory' on empiricism, information asymmetry, and technical debt.

Reading Notes: 『爆速成長マネジメント』(High Growth Handbook) by Elad Gil

Takeaways from Elad Gil's 'High Growth Handbook' on executive hiring, board management, and org structure during hypergrowth.

Get Twitter Followers/Following Count with Twitter API and Add to Google Sheets Sample Code - Google Apps Script (GAS) Edition

A Google Apps Script sample that appends daily Twitter follower / following counts to a Google Sheet via the Twitter API.

Server-side Kotlin + DGS framework + Exposed Practical Introduction

The reference links I used to ramp up on server-side Kotlin, the DGS framework, and Exposed.

How to Load Environment Variables from .env File in IntelliJ IDEA

Two ways to load environment variables from a .env file in IntelliJ IDEA — CLI launch and the EnvFile plugin.

Reading Notes: 『ALL for SaaS SaaS立ち上げのすべて』(ALL for SaaS: Everything About SaaS Launch) by Miyata Yoshitaka

Notes from 'ALL for SaaS' on product vision, decision criteria, and feature shock in pricing.