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

produced by Classmethod

TOP_AWSオンライン相談会

TOP_youtube告知

TOP_カジュアル面談

TOP_メンバーズ紹介

I tried running a Spark job with the new 32vCPU worker size in Amazon EMR Serverless

2026.07.09

Elevate Security & Operations to Proactive Defense with AWS Frontier Agents

siwanat-phuengphian

2026.07.08

I made an extension that lets you search and copy AWS architecture icons from Raycast

荒巻美南海

2026.07.08

Don't let browsers interfere with measurement and advertising - Building a first-party measurement environment using server-side GTM and Usercentrics SST

2026.07.08

I tried finding disappeared threads in a frozen Python process using py-spy

越井琢巳 (Koshii Takumi)

2026.07.08

I tried to see if masking policies and aggregation policies can be used together in Snowflake to mask PII while still allowing aggregation when using Snowflake CoCo

2026.07.08

When sharing objects in an S3 bucket with members who don't have IAM users or with external parties, consider using Storage Browser for S3 as well.

2026.07.08

I tried tracking down the cause of a process frozen at 0% CPU using cdb and handle64

越井琢巳 (Koshii Takumi)

2026.07.08

Claude Code v2.1.203 Major Updates - Access to Claude Fable 5 extended until July 12 for all paid plans

2026.07.08

Attaching an Amazon Inspector policy in AWS Organizations may take time to activate depending on the region.

2026.07.08

I tried out the Agent Target of AgentCore Gateway

2026.07.08

I tried web application vulnerability scanning with Snyk DAST

2026.07.07

I tried creating a writing environment where pressing ⌘⌥Z in VS Code lets you view Markdown in Zenn preview

けーま (川田圭真)

2026.07.07

I investigated an error that occurred in the Bedrock Converse API after migrating from Claude Sonnet 4.6 to Sonnet 5

2026.07.07

Execute a TASK triggered by AppFlow data integration to Snowflake

2026.07.07

The story of rediscovering "the importance of reporting, communicating, and consulting" after having AI write code

越井琢巳 (Koshii Takumi)

2026.07.07

[Quick Tip] How to cleanly expand comma-separated CSV in Google Sheets

2026.07.07

I tried the token automatic rotation feature after AWS Secrets Manager managed external secrets became compatible with GitLab

2026.07.07

I tried out Snowflake's aggregation policy mechanism that prevents viewing individual records while returning only aggregated results

2026.07.07

I migrated my terminal multiplexer from tmux to zellij Wait, "herdr" doesn't match any known terminal multiplexer. Let me provide a direct translation: I migrated my terminal multiplexer from tmux to herdr

嶋田怜央成 / Reona Shimada

2026.07.07

I verified whether high-resolution (20-second) auto scaling can be used in ECS Express mode

2026.07.07

Rust micro-experienced web engineer implements new features with Claude Code and achieves stable operation

2026.07.07

[Trivia] I wanted to intuitively display/edit Gantt charts in Emacs org-mode, so I tried creating an extension

2026.07.07

I tried integrating Claude Code into Windows Terminal "Intelligent Terminal"

2026.07.07

The story of how I, with no IT experience, found myself able to create meeting materials with Claude before I knew it

2026.07.07

[Session Report] Search Evolves with Agents: Agent Capabilities of Amazon OpenSearch Service [ANT407] #AWSSummit

越井琢巳 (Koshii Takumi)

2026.07.07

[Update] Amazon EVS now supports VMware Cloud Foundation (VCF) 9.0/9.1

荒平祐次(arap)

2026.07.07

I tried to verify whether Amazon GuardDuty Investigation can be used in an event-driven manner, but it turned out it cannot.

2026.07.07

[Session Report] Transforming Unstructured Data in Amazon S3 into AI-Ready Assets with Amazon SageMaker Catalog [ANT308] #AWSSummit

越井琢巳 (Koshii Takumi)

2026.07.07

Claude Code v2.1.202 Major Updates

2026.07.07

I tried customizing the appearance and functionality of DevRev's PLuG chat

2026.07.07

I tried out the GoalLoop plugin for Strands Agents that had been added

2026.07.07

AWS Organizations Inspector policies can now be configured in form format from the Inspector console.

2026.07.07

I summarized the differences between PagerDuty Incident Custom Fields and Service Custom Fields

2026.07.06

I thought about an LLM configuration that partners with one DGX Spark

森茂洋 / Hiroshi Morishige

2026.07.06

I tried incremental integration of Salesforce data to Snowflake using Amazon AppFlow

2026.07.06