Classmethod's 'Hands-on Experience' Technical Media | DevelopersIO

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I tried building everything from GCP budget alert configuration to BigQuery billing export + Data Portal integration using OpenTofu

2026.08.01

[Summer Vacation Free Research Relay] I Investigated How to Use Chronos-2 with SageMaker AI Real-Time Inference

2026.08.01

Using Playwright Without a Test Runner — Alternatives to @playwright/test and Their Trade-offs

2026.08.01

I checked why Kiro CLI failed when it answered the steps that can be executed in the CloudFormation recovery task of aws-bench

2026.08.01

I tried the new IAM Policy Simulator feature "PolicyExclusionList"

2026.08.01

I checked why Kiro CLI 17 models had mixed pass/fail results on the VPC Flow Logs diagnostic task in aws-bench

2026.08.01

"Do We Really No Longer Need Containers?" - Running WebAssembly on AWS Lambda with provided.al2023

2026.07.31

Building a Simple Generative AI Chatbot with Amazon Bedrock AgentCore (2): Deploying a FastAPI BFF on ECS Fargate and Relaying Runtime via SSE

2026.07.31

Building a Simple Generative AI Chatbot with Amazon Bedrock AgentCore (1): Deploying a Strands Agent on the Runtime

2026.07.31

Check if switching AmazonEC2RoleforSSM to AmazonSSMManagedInstanceCore causes any issues

2026.07.31

I tried the Step Functions diagnostic task from aws-bench with 17 models in Kiro CLI

2026.07.31

I tried appending rows to Google Sheets from AWS Lambda using OAuth 2.0

2026.07.31

I purchased credits on Claude Console and issued an API key.

2026.07.31

AWS Interconnect - multicloud now supports OCI, so I tried checking it with the AWS CLI

2026.07.31

[Summer Vacation Independent Research Relay] I built a mechanism to request time series forecasting from Chronos-2 deployed to a SageMaker AI inference endpoint via Snowflake external functions

2026.07.31

I tried setting up a Contentful workflow that separates the writer and publisher to prevent accidental publication

越井琢巳 (Koshii Takumi)

2026.07.31

Promise.race does not return "the first successful result" — an async bug I hit while doing recursive directory search

2026.07.31

I tried out the new Transit Gateway feature, Policy-Based Routing (PBR)

2026.07.31

# Svelte 5で「2フェーズUX」を実装する — パラメータ入力と生成結果のプログレッシブ・ディスクロージャー Implementing "2-Phase UX" in Svelte 5 — Progressive Disclosure of Parameter Input and Generated Results

2026.07.31

I investigated the IAM permissions of DevOps Agent as of July 2026

2026.07.31

I tried recovering AWS account root user credentials by enabling "Allow password recovery" from root access management

2026.07.31

Amazon Bedrock's OpenAI GPT-5.6 Terra / Luna has been reduced in price.

2026.07.31

I tried the new AWS WAF feature "Parsed Text Transformation" using the CLI

2026.07.31

I tried out the Steering feature of Strands Agents with the TypeScript SDK

2026.07.31

The requirement for region association of DX locations has been removed from the AWS Direct Connect SLA.

2026.07.31

Prevent Forgetting to Stop SageMaker Real-time Endpoints Launched from Vercel by Automatic Deletion

越井琢巳 (Koshii Takumi)

2026.07.31

I tried implementing Slack approval button waiting with Lambda Durable Functions without using Step Functions

2026.07.30

[Update] Trying out Amazon Redshift Data API long polling, list session, and flexible batch execution

2026.07.30

July 2026 Floci Update Summary: A Month That Brought Refined Authorization and CloudTrail Event Logging

2026.07.30

The story about how Claude's Web Fetch tool doesn't necessarily return the latest information

荒巻美南海

2026.07.30

I tried building inter-service integration using the Outbox pattern with Debezium + Amazon MSK

2026.07.30

[Update] Amazon RDS for SQL Server 2025 is now available

2026.07.30

The Story of Designing a 30-Stage Pipeline That Can Resume From Wherever It Drops

2026.07.30

"I wanted to solve the question of 'What are the right prompts for AI?' so I created a hands-on course site that anyone can take anytime"

2026.07.30

My Impressions After Building an In-House AI Tool Full-Stack with SvelteKit — Fitting SSE, Playwright, and Encryption into One Framework

2026.07.30

Robot Visual Inspection Agent Utilizing Unitree Go2 and G1: Completion of PoC Through Processing Speed Optimization and G1 Camera Compatibility Verification

2026.07.30