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Eric Tech Circle
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Eric Tech Circle

Backend team lead & architect with 10+ years experience, full‑stack engineer, sharing insights and solo development practice.

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Recent Articles

Latest from Eric Tech Circle

81 recent articles
Eric Tech Circle
Eric Tech Circle
May 26, 2026 · Artificial Intelligence

Taming Codex with AGENTS.md: Project‑Level Context Governance

When AI coding assistants like Codex are launched in a project without proper context, they often modify the wrong code, run incorrect commands, misplace files, or ignore project conventions; the article explains that this stems from missing project rules and shows how an AGENTS.md file can provide the needed guidance, improve efficiency, and avoid common pitfalls.

AGENTS.mdAI AgentsCodex
0 likes · 10 min read
Taming Codex with AGENTS.md: Project‑Level Context Governance
Eric Tech Circle
Eric Tech Circle
May 22, 2026 · Operations

Isolating Multiple Codex CLI Accounts on macOS Using CODEX_HOME

On macOS with zsh, you can avoid repetitive login/logout when using several Codex CLI accounts by copying the ~/.codex directory, setting distinct CODEX_HOME paths, and creating alias commands, allowing each account to maintain separate configurations, contexts, and quotas while sharing project rules via AGENTS.md.

CODEX_HOMECodex CLIalias
0 likes · 7 min read
Isolating Multiple Codex CLI Accounts on macOS Using CODEX_HOME
Eric Tech Circle
Eric Tech Circle
May 18, 2026 · Artificial Intelligence

Exploring Codex Mobile: Remote Control of Your Desktop from a Phone

This article walks through how OpenAI's Codex Mobile lets you monitor, command, and approve Codex desktop tasks from a smartphone, turning the phone into a remote cockpit for viewing progress, issuing new instructions, and handling approvals without needing a full IDE on the device.

AI coding assistantChatGPT MobileCodex
0 likes · 7 min read
Exploring Codex Mobile: Remote Control of Your Desktop from a Phone
Eric Tech Circle
Eric Tech Circle
Apr 20, 2026 · Backend Development

How to Seamlessly Upgrade from Spring Boot 3 to 4 with AI Assistance

This article shares a practical, AI‑assisted workflow for migrating a Spring Boot 3.5.11 project to Spring Boot 4, covering key framework upgrades, step‑by‑step migration planning, common pitfalls, maintainability tips, and verification of critical functionality.

AI-assistedAPI VersioningBackend Development
0 likes · 11 min read
How to Seamlessly Upgrade from Spring Boot 3 to 4 with AI Assistance
Eric Tech Circle
Eric Tech Circle
Apr 12, 2026 · Artificial Intelligence

How to Build Reusable AI Agent Skills with Anthropic’s Skill Creator

This guide explains how to define, structure, and iterate AI Agent Skills using Anthropic's Skill Creator, covering template design, SKILL.md composition, a closed‑loop development workflow, and practical steps to turn verified methods into reusable skill assets.

AIAgent SkillsAnthropic
0 likes · 8 min read
How to Build Reusable AI Agent Skills with Anthropic’s Skill Creator
Eric Tech Circle
Eric Tech Circle
Mar 24, 2026 · Industry Insights

From Solo AI Experiments to Enterprise SaaS: Practical Lessons on Building a Commercial Product

The author recounts a two‑year journey from early AI demos to a fully‑featured SaaS inventory system, detailing product architecture, multi‑platform development, AI tool selection, SDD/DDD practices, Git‑based review, and the limits of current AI assistance, offering concrete guidance for engineers aiming to commercialize AI‑augmented software.

AIAI toolsDevOps
0 likes · 17 min read
From Solo AI Experiments to Enterprise SaaS: Practical Lessons on Building a Commercial Product
Eric Tech Circle
Eric Tech Circle
Jan 26, 2026 · Artificial Intelligence

How to Build Enterprise‑Ready AI Coding Rules with AGENTS.md

This article explains why scattered prompts hinder AI‑assisted development, introduces the AGENTS.md concept as a project‑level behavior constraint, and provides a step‑by‑step C.A.R.S framework for designing executable, version‑aware, team‑aligned rules that keep AI generators reliable in large codebases.

AGENTS.mdAI codingenterprise guidelines
0 likes · 8 min read
How to Build Enterprise‑Ready AI Coding Rules with AGENTS.md
Eric Tech Circle
Eric Tech Circle
Jan 7, 2026 · Backend Development

Why IntelliJ IDEA 2025.3’s New Islands Theme and AI Features Matter for Java Developers

The article shares a seasoned Java developer’s hands‑on review of IntelliJ IDEA 2025.3, highlighting the new Islands theme, built‑in support for Spring Boot 4 and Java 25, full‑line code completion, and integration of the Claude Code AI plugin, while offering practical usage tips and personal recommendations.

AI pluginIDE FeaturesIntelliJ IDEA
0 likes · 5 min read
Why IntelliJ IDEA 2025.3’s New Islands Theme and AI Features Matter for Java Developers
Eric Tech Circle
Eric Tech Circle
Dec 19, 2025 · Operations

Step‑by‑Step Guide to Adding Google AdSense to a Halo‑Based Blog

This tutorial walks through registering a Google AdSense account, passing site approval, and three practical integration methods—including inserting the AdSense script, using a meta tag, and configuring an ads.txt file with Nginx—followed by tips for ad placement on a personal blog.

Blog MonetizationFrontend IntegrationGoogle AdSense
0 likes · 6 min read
Step‑by‑Step Guide to Adding Google AdSense to a Halo‑Based Blog
Eric Tech Circle
Eric Tech Circle
Dec 6, 2025 · Frontend Development

Master Enterprise-Scale AI Code Generation: The Complete Cursor Rules Blueprint

This article shares a comprehensive, open‑source set of Cursor Rules for enterprise full‑stack development, detailing a three‑layer architecture, four guiding principles, and concrete configurations for Next.js, React, Shadcn/ui, Tailwind, and related tools, with practical examples and a GitHub repository.

AI Code GenerationCursor RulesFrontend Architecture
0 likes · 4 min read
Master Enterprise-Scale AI Code Generation: The Complete Cursor Rules Blueprint