In-Depth Research on Lynx Tech Blog

Medium Post · Courseware Map: Complete Free Resource Guide for Stanford CS Core (12 Courses)

Tue, 11 Aug 2026 00:00:00 +0800

Part 2 · Course Map: All the Free Resources to Complete Stanford’s CS Core in 12 Courses I. Self-Study Is a Battle of Resources—Resources Determine Life or Death The previous post covered the coordinate system—why Stanford CS serves as the backbone. This post covers the ammunition: where to get lecture slides, videos, and textbooks for every course, and which ones are free and which require detours.

Part 2 · Roadmap: What to Learn First, How Long to Invest, How to Validate — and the Degree at the Finish Line

Tue, 11 Aug 2026 00:00:00 +0800

Part 2 · Roadmap: Who to Learn First, How Long to Invest, How to Verify, and the Degree at the Finish Line I. You Have the Map and the Ammunition — Now You Need the Route The first two posts laid out the coordinate system (what to learn and why) and the courseware map (where to find resources for each course). This is the final piece of the puzzle: how to proceed — who comes first, who comes second, how long to invest per course, what counts as proof you’ve learned it, where people most of

The Secret Language of the Vulnerability World: 0day, 1day, nday, CVE, CNVD, NVD Explained

Tue, 01 Sep 2026 11:00:00 +0800

Log4Shell and the Vocabulary of Vulnerabilities: A Fact-Check and Field Guide Late on the night of December 9, 2021, Alibaba Cloud’s security team publicly disclosed a remote code execution vulnerability in the Java logging library Log4j (CVE-2021-44228), forcing engineers across half the internet to crawl out of bed on a weekend and work overtime on emergency response. “Log4Shell” thus became the most famous vulnerability storm of the past decade: Check Point’s monitorin

ERP Market Research, Startup Roadmap, and Software Copyright Application Guide: A Complete Research Record

Sun, 23 Aug 2026 00:00:00 +0800

2026-08-23. The origin of this was a desire to evaluate a direction: AI + E-commerce ERP for a startup. Starting from the question “What systems do China’s largest e-commerce sellers actually use?”, it eventually landed on a list of software copyright application materials. This post lays out the entire research chain across four parts: market research, startup strategy, platform API barriers, and software copyright execution. Part 1: ERP Market Research — Where the Money Is,

Are Big Tech Really 'Regreting' AI? Let Me Do the Math First

Wed, 19 Aug 2026 08:00:00 +0800

Did Chinese Tech Giants Start Regretting Their AI Bets? On August 19, a question topped Zhihu’s hot list: “Are Chinese tech giants starting to regret going all-in on AI?” One of the top-voted answers nailed it: “Regret? No. But the pain? Oh, it’s very real.” Tencent’s Q2 free cash flow turned negative for the first time — minus 13.8 billion yuan. Alibaba posted a full-year free cash flow outflow of 46.6 billion yuan for FY2026. Baidu’s AI revenue n

Can You Really Get an Overseas Server for $150/Year? — August 2026 Cheap VPS Roundup

Wed, 19 Aug 2026 00:00:00 +0800

The reason is simple: I’ve been using Tencent Cloud’s 99-yuan/year lightweight application server (2 cores, 2GB RAM, 50GB SSD, 3Mbps bandwidth, 300GB monthly traffic) with great satisfaction. But I want a foreign one—with the same budget cap of 150 yuan/year. The question is, can you really buy an overseas VPS at 150 yuan/year that matches that Tencent Cloud 99-yuan setup and still has overseas data centers?

10 Scientific-Grade Chart Style Presets: A Quick Reference for Blog Data Visualization

Tue, 18 Aug 2026 00:00:00 +0800

10 Styles at a Glance The same dataset — pro 20x subscription vs. domestic Chinese LLMs, cost per million tokens on a log scale — rendered in 10 publication-grade styles. Whether you want a paper look, an editorial feel, or minimalism, pick your fighter. Here’s a breakdown of each color scheme and its ideal use case. The 10 Presets 1. Nature — White background, no grid, thin black spines, steel blue #3B6BA5 + warm orange #E8743B. The most “academic paper,” a serious chart that

Eat a 6-piece Pizza Hut Meal for $5? Anatomy of the Cheap Dining Voucher Gray Market and a Guide to Avoiding Scams

Tue, 11 Aug 2026 00:00:00 +0800

Generated: 2026-08-11 · Method: Two-round Grok Deep Research workflow, 209 agents, ~5M tokens (web search → gap analysis → WebFetch extraction → multi-vote adversarial verification); sources primarily court records, industry media, and official platform policies Trigger: User saw posts on Xiaohongshu advertising “38 RMB Pizza Hut pizza & pasta duet 6-piece set” and “39.9 RMB Burger King signature beef burger & snack 8-piece set,” with sellers claiming “just