Articles 7 | DevelopersIO

produced by Classmethod

A PM's Perspective on Core System Operations Record 3: Configuration is Not the "Optimal Solution" — Architecture as an Accumulation of Decision Making

2026.02.24

Determining "weekday" in NocoBase workflow conditional expression

2026.02.24

I've compiled the deletion procedure for SageMaker Studio Domain that charges you when left unused

小渕ヒューゴ

2026.02.24

I want to simplify cross-account Config searches in AWS Organizations using Claude Code skills

2026.02.24

ちょっと話題の記事

I tried the "Alternative Drawing Solution Without MCP (Project Instructions)" introduced in drawio-mcp

2026.02.24

[UPDATE] Amazon Redshift Serverless introduces 3-year Serverless Reservations, enabling up to 45% cost savings

2026.02.24

Safely operating AWS with AI. Creating sudo-like IAM privilege escalation with Claude Code × Bedrock

2026.02.24

Safe AWS operations with AI. IAM privilege escalation like sudo with Kiro CLI

2026.02.23

ECS Native Blue/Green Deployment Lifecycle Hooks and Amazon Q Developer in chat applications: Controlling production traffic re-routing and rollback using Slack notifications and custom action buttons

2026.02.23

Deploying a real-time 2P Co-op browser game with Vercel + Ably

越井琢巳 (Koshii Takumi)

2026.02.23

Game Development Data Layout Strategy: Making Updates 3 Times Faster by Switching from Node-Based to SoA

越井琢巳 (Koshii Takumi)

2026.02.22

話題の記事

I Tried Automated Organization of Technical Articles with Obsidian Web Clipper × Claude Code

2026.02.21

Aurora DSQL Python Connector has been released, so I measured and compared performance in Lambda (psycopg2 vs asyncpg)

2026.02.20

AWS Top Engineers GameDay, We won with Kiro "also" joining as a team member

2026.02.20

ちょっと話題の記事

[Jujutsu] Trying out a Git-compatible VCS [Sorcery]

2026.02.19

I tried auto-posting daily tasks using Discord Webhook and Lambda

2026.02.19

When I built the WebSocket backend for Twilio ConversationRelay using API Gateway + Lambda, I encountered an issue where it wouldn't respond during the initial call

越井琢巳 (Koshii Takumi)

2026.02.19

Building Serverless RAG with GenU (Generative AI Use Cases JP) v5.4 and S3 Vectors

2026.02.19

Management of Cookies and Trackers in accordance with the 2026 Personal Information Protection Law Amendment

2026.02.18

How I improved Amazon Polly pronunciation in Twilio ConversationRelay using SSML tags

越井琢巳 (Koshii Takumi)

2026.02.18

話題の記事

Claude Sonnet 4.6 is now available on Amazon Bedrock

2026.02.18

Without vector DB, I tried semantic search on 60,000 Developers.IO articles using NumPy and Bedrock

2026.02.17

Four Terminal Commands I'd Like You to Run Before Handing Off From Claude Code to Humans (Mostly for macOS)

2026.02.17

I created a browser FPS game using Next.js and Three.js and deployed it to Vercel

越井琢巳 (Koshii Takumi)

2026.02.17

Understanding intention with Nova, stability with Titan. Comparing search accuracy of 4 Embedding models using LLM-as-a-Judge

2026.02.17

Building a GenU (Generative AI Use Cases JP) v5.4 environment compatible with Claude Opus 4.6

2026.02.16

I built a serverless, convenient semantic search platform with S3 Vectors and Bedrock

2026.02.16

Using Structured Outputs with Amazon Bedrock batch inference as well, I tried to stabilize AI output

2026.02.16

I tried making it possible to execute Discord custom commands using voice input with Amazon Transcribe

越井琢巳 (Koshii Takumi)

2026.02.15

I tried to use Workspace Studio and GAS to automatically aggregate Meet minutes, convert them to Markdown, and make them usable locally

2026.02.15

Managing the Operation of Core Systems from a PM Perspective 2: Managing Never-ending Operations with Annual Planning

2026.02.15

[Update] I tried nested virtualization which is now available on instances other than bare metal

2026.02.14

I tried to semi-automate daily report creation using Google Calendar API and Amazon Bedrock

越井琢巳 (Koshii Takumi)

2026.02.14

Aurora DSQL Supports IDENTITY / SEQUENCE - I Also Verified Migration Methods for Existing Tables

2026.02.14

Classmethod Data Analytics Newsletter (AWS Data Analytics Edition) - February 2026 Issue

2026.02.13

[For Beginners] I Created My Own Chrome Extension

2026.02.13