Ubiquitous Tech
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Ubiquitous Tech

A ubiquitous public account for pirate enthusiasts, regularly sharing curated experiences, tech learning, and growth insights. Currently publishing articles on AI RAG customer service, AI MCP technology, and open-source design. Personal free Knowledge Planet: Awakening New World Programmer.

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Ubiquitous Tech
Ubiquitous Tech
Feb 4, 2026 · Information Security

How OpenClaw Prompt Injection Almost Shut Down Our Server – Lessons Learned

Deploying OpenClaw on an internal Ubuntu 22.04 server exposed a prompt‑injection flaw that let colleagues trigger shutdown and data‑deletion commands, prompting a step‑by‑step hardening process that includes removing default bindings, editing gateway settings, and defining strict security prompt templates.

AI assistantConfigurationNode.js
0 likes · 18 min read
How OpenClaw Prompt Injection Almost Shut Down Our Server – Lessons Learned
Ubiquitous Tech
Ubiquitous Tech
Jan 31, 2026 · Artificial Intelligence

Build a 24‑Hour Digital Assistant on MacBook with OpenClaw, MiniMax and Feishu – Access 30,000 Skills

This article walks through installing the open‑source OpenClaw AI assistant on a MacBook (or cloud server), configuring it with the MiniMax model and Feishu, enabling 24‑hour remote control, local memory, data sovereignty, and thousands of ready‑made skills, while highlighting setup commands, security considerations, and cost factors.

AI assistantAutomationFeishu integration
0 likes · 16 min read
Build a 24‑Hour Digital Assistant on MacBook with OpenClaw, MiniMax and Feishu – Access 30,000 Skills
Ubiquitous Tech
Ubiquitous Tech
Jan 23, 2026 · Backend Development

Three Redis Inventory Decrement Lock Patterns Explained

The article analyzes three Redis inventory‑deduction locking strategies—exclusive lock, segmented lock, and lock‑free/key‑quantization—detailing their key structures, suitable scenarios, advantages, drawbacks, and also covers Lua‑script atomic decrement, async queue buffering, and local pre‑deduction techniques.

Exclusive LockInventoryLua
0 likes · 8 min read
Three Redis Inventory Decrement Lock Patterns Explained
Ubiquitous Tech
Ubiquitous Tech
Jan 21, 2026 · Artificial Intelligence

Creating WeChat Stickers with NanoBananaPro: AI Image Generation Part 3

This tutorial walks through using Google’s Gemini‑based NanoBananaPro model to generate LINE‑style Q‑version stickers, split the images with an online tool, and submit them to the WeChat Sticker Open Platform, covering prompt design, copyright considerations, JSON specifications, and review feedback.

AI image generationGeminiNanoBananaPro
0 likes · 9 min read
Creating WeChat Stickers with NanoBananaPro: AI Image Generation Part 3
Ubiquitous Tech
Ubiquitous Tech
Jan 20, 2026 · Artificial Intelligence

Implementing AI Code Review Features in the AI Hub Client (Lesson 21)

This tutorial walks through integrating the AI Hub client with a TypeScript‑based code review engine, adding a UI button in a Vue component, handling loading states, previewing MergeRequest data, and wiring the backend calls to GitLab and the AI model, complete with code snippets and screenshots.

AI Code ReviewAI HubGitLab
0 likes · 11 min read
Implementing AI Code Review Features in the AI Hub Client (Lesson 21)
Ubiquitous Tech
Ubiquitous Tech
Jan 15, 2026 · R&D Management

Do Programmers Need a Demand Pool? The Key to Being Reliable

The article explains why programmers should maintain a structured demand pool—recording, classifying, and tracking all tasks—to overcome memory limits, improve execution, boost responsibility, and communicate progress effectively, outlining a three‑layer hierarchy (demand → task → todo) and practical habits for daily, weekly, and periodic upkeep.

Task Managementdemand poolproductivity
0 likes · 15 min read
Do Programmers Need a Demand Pool? The Key to Being Reliable
Ubiquitous Tech
Ubiquitous Tech
Dec 31, 2025 · Artificial Intelligence

How AI Generates a Sacred Father‑Son Relay Comic

The article presents detailed prompt structures for AI‑generated comics, showcasing two complete examples with character definitions, visual styles, panel narratives, and dialogues, enabling readers to replicate and customize the process for creating their own AI‑driven comic strips.

AI artAI-generated comicsPrompt Engineering
0 likes · 8 min read
How AI Generates a Sacred Father‑Son Relay Comic
Ubiquitous Tech
Ubiquitous Tech
Dec 30, 2025 · Artificial Intelligence

Jaw‑Dropping AI Image Generation with NanoBananaPro: A Complete Tutorial

This article introduces Google DeepMind's NanoBananaPro model, details its advanced text rendering, 4K resolution and multi‑entity consistency, compares four access methods (student account, API proxy, Taobao services, AI product bundles), and provides step‑by‑step prompt engineering examples and visual results.

4K resolutionAI image generationGoogle DeepMind
0 likes · 25 min read
Jaw‑Dropping AI Image Generation with NanoBananaPro: A Complete Tutorial