Old Zhang's AI Learning
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Old Zhang's AI Learning

AI practitioner specializing in large-model evaluation and on-premise deployment, agents, AI programming, Vibe Coding, general AI, and broader tech trends, with daily original technical articles.

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Old Zhang's AI Learning
Old Zhang's AI Learning
Jul 7, 2026 · Industry Insights

Why Most Companies Get AI Transformation Wrong from the Start

Many firms focus on teaching employees to use AI for tasks like emails and reports, but without redesigning workflows, approvals, and responsibilities, AI merely speeds up existing inefficiencies instead of delivering true organizational productivity.

AI transformationOrganizational ChangeProcess Automation
0 likes · 5 min read
Why Most Companies Get AI Transformation Wrong from the Start
Old Zhang's AI Learning
Old Zhang's AI Learning
Jul 7, 2026 · Artificial Intelligence

Claude Code’s Origin Story: Why the Real Edge Isn’t the Model

The article recounts how Anthropic’s Claude Code evolved from a two‑like internal prototype to a terminal‑based AI coding assistant, highlighting the pivotal moments, technical choices, productivity gains, and the organizational advantages that let the product stay ahead of rapidly improving models.

AI AgentsAI toolingAnthropic
0 likes · 12 min read
Claude Code’s Origin Story: Why the Real Edge Isn’t the Model
Old Zhang's AI Learning
Old Zhang's AI Learning
Jul 3, 2026 · Artificial Intelligence

Why Codex’s Office Skills Are Seriously Underrated: Word, Excel, PPT, and PDF All Integrated into Workflows

The author demonstrates how OpenAI Codex can act as a full‑featured office assistant, using plugins to read PDFs, extract data into spreadsheets, draft Word documents, design PowerPoint presentations, and combine everything via Sites and annotations into a seamless, end‑to‑end workflow.

AI AgentsExcel automationOffice Automation
0 likes · 8 min read
Why Codex’s Office Skills Are Seriously Underrated: Word, Excel, PPT, and PDF All Integrated into Workflows
Old Zhang's AI Learning
Old Zhang's AI Learning
Jul 1, 2026 · Databases

Why Enterprise AI Hits a Wall at the Data Layer Despite Powerful Large Models

The article argues that as AI agents replace human users, the real bottleneck for enterprise AI shifts from model performance to data infrastructure, and explains how OceanBase’s AI‑native database—Lakebase—addresses multimodal data, hybrid search, agent safety, and massive logical tables to enable production‑grade AI applications.

AI DatabaseAgent-friendlyEnterprise AI
0 likes · 16 min read
Why Enterprise AI Hits a Wall at the Data Layer Despite Powerful Large Models
Old Zhang's AI Learning
Old Zhang's AI Learning
Jun 29, 2026 · Artificial Intelligence

How Nvidia’s NVFP4 Cuts GLM‑5.2 Deployment Cost by Half

Semgrep’s benchmark shows open‑source GLM‑5.2 matching Claude’s performance while costing only $0.17 per vulnerability, and Nvidia’s NVFP4 quantization halves the model’s memory footprint with virtually unchanged accuracy, making local deployment on 8‑GPU systems far more affordable.

AI deploymentGLM-5.2Model Quantization
0 likes · 11 min read
How Nvidia’s NVFP4 Cuts GLM‑5.2 Deployment Cost by Half
Old Zhang's AI Learning
Old Zhang's AI Learning
Jun 29, 2026 · Backend Development

How the New z‑skills Video Download Split Improves Knowledge‑Gathering Workflows

The author refactors the z‑skills suite by separating video link discovery (z‑web‑pack) from actual downloading (z‑video‑downloader), explains why the split solves performance and reliability issues, details four concrete code and documentation changes, and shows a simple usage pattern for the updated skills.

Pythontool architecturevideo download
0 likes · 7 min read
How the New z‑skills Video Download Split Improves Knowledge‑Gathering Workflows