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TonyBai

Tony Bai's tech world (tonybai.com). Not satisfied with just "knowing how", we strive for mastery. Focused on Go language internals, high-quality engineering practices, and cloud‑native architecture, exploring cutting‑edge intersections of Go and AI. Gophers who pursue technology are welcome—follow me and evolve with Go.

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Latest from TonyBai

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TonyBai

Jul 2, 2026 · Artificial Intelligence

cc-switch-cli: Seamless Multi‑Model Switching for Claude Code in Terminal Environments

The article introduces cc-switch-cli, a Go‑based command‑line utility that lets developers effortlessly switch Claude Code’s underlying AI models in remote or terminal‑only environments, balancing performance and cost through preset configurations, atomic writes, backup management, and JSON‑friendly output.

AI model switchingCLI toolClaude Code

0 likes · 10 min read

cc-switch-cli: Seamless Multi‑Model Switching for Claude Code in Terminal Environments

TonyBai

Jul 2, 2026 · Artificial Intelligence

Andrej Karpathy’s Loop Engineering: 9 Golden Rules for Building Multi‑Day Long‑Running Agents

The article distills Andrej Karpathy’s field notes on Loop Engineering, explaining why prompt engineering is fading, how to treat loops as first‑class objects, separate agent roles, persist state to disk, negotiate contracts, and let robust loops expose and resolve bottlenecks for agents that run for days.

AI agentsHarnessLLM

0 likes · 13 min read

Andrej Karpathy’s Loop Engineering: 9 Golden Rules for Building Multi‑Day Long‑Running Agents

TonyBai

Jul 1, 2026 · Industry Insights

Why the AI Era Demands Programmers with Real “Taste”

In the age of AI‑generated code, the author argues that the true competitive edge for software engineers lies in cultivating a refined “taste” for architecture, design, and judgment, outlining its definition, real‑world examples, and three practical rules to preserve technical dignity.

AICode QualityHashiCorp

0 likes · 12 min read

Why the AI Era Demands Programmers with Real “Taste”

TonyBai

Jun 30, 2026 · Backend Development

Why a Rust Project Can Swallow 75 GB of Disk Space and How to Tame Cache Bloat in Rust and Go

The article explains why modern Rust and Go compilers create massive on‑disk caches—Rust's per‑project target directory and Go's global module and build caches—illustrates the underlying mechanisms with concrete examples, and offers practical commands and tooling to clean or share those caches, reducing disk consumption.

CargoGoRust

0 likes · 14 min read

Why a Rust Project Can Swallow 75 GB of Disk Space and How to Tame Cache Bloat in Rust and Go

TonyBai

Jun 29, 2026 · Fundamentals

Why I Keep Returning to Go After Trying Every Language

The article argues that Go’s batteries‑included standard library eliminates dependency fatigue, its built‑in diagnostics let engineers locate production issues in hours instead of weeks, its uncolored concurrency model avoids async/await pitfalls, and its minimalism reduces cognitive load and boosts team efficiency.

Goconcurrencydependency fatigue

0 likes · 10 min read

Why I Keep Returning to Go After Trying Every Language

TonyBai

Jun 28, 2026 · Industry Insights

YC Reveals AI-Native Organization: Building a Self-Evolving Company That Works While You Sleep

The article argues that traditional hierarchical firms are obsolete and proposes an AI‑native model where company knowledge is fully legible to large models, enabling recursive self‑improving loops that automatically detect failures, rewrite code, test, and deploy without human intervention.

AI-nativeToken economyYC

0 likes · 13 min read

YC Reveals AI-Native Organization: Building a Self-Evolving Company That Works While You Sleep

TonyBai

Jun 27, 2026 · Operations

How I Migrated a 20‑Year‑Old WordPress Blog to Hugo with AI Assistance

In June 2026, the author migrated a 15‑year‑old WordPress blog containing nearly 2,000 posts, 2,200 comments and 2.6 GB of images to a Hugo static site, using Claude Code for planning, a custom Go converter, Dockerized Waline for comments, and Caddy on a VPS, achieving 99.3% URL compatibility in about two days.

AI-assisted migrationCaddyDocker

0 likes · 20 min read

How I Migrated a 20‑Year‑Old WordPress Blog to Hugo with AI Assistance

TonyBai

Jun 26, 2026 · Backend Development

How Go 1.27’s GODEBUG Cleanup Repays a Decade of Technical Debt

The article analyzes Go 1.27’s newly accepted GODEBUG cleanup proposal, detailing the four‑category deprecation policy, the build‑time and startup‑time enforcement mechanisms, and the introduction of runtime.SetGODEBUG/GetGODEBUG to eliminate ten years of accumulated technical debt while preserving compatibility.

GODEBUGGoRuntime

0 likes · 10 min read

How Go 1.27’s GODEBUG Cleanup Repays a Decade of Technical Debt

TonyBai

Jun 25, 2026 · Information Security

Why Go 1.27 UUIDv7 Generates Predictable “7000” Values in Browsers

In Go 1.27 the standard uuid.NewV7() function produces UUIDs with a constant “7000” segment when compiled to WebAssembly, because browsers deliberately reduce high‑precision timers for Spectre‑style mitigations, causing the 12‑bit random field to collapse to zero and dramatically lowering entropy and collision resistance.

GoUUIDv7Wasm

0 likes · 10 min read

Why Go 1.27 UUIDv7 Generates Predictable “7000” Values in Browsers

TonyBai

Jun 24, 2026 · Backend Development

Go 1.27 Preview: Generic Methods Land, Built‑in UUID in the Standard Library

The upcoming Go 1.27 release brings a suite of hard‑core upgrades—including the long‑awaited generic methods, deep struct‑literal field selectors, size‑specialized memory allocation, a production‑ready goroutine‑leak profiler, modernized toolchain commands, a new encoding/json/v2 package, built‑in UUID support, and post‑quantum cryptography—signaling a major leap for high‑performance, secure backend development.

GoGo 1.27Post-Quantum Cryptography

0 likes · 15 min read

Go 1.27 Preview: Generic Methods Land, Built‑in UUID in the Standard Library