Free AI tools reviews, hands-on tutorials, PC tips, and tech news for beginners https://11180801.xyz/en/ en-US Thu, 11 Jun 2026 00:00:00 GMT LLM context length limit interview answer framework: Start with Transformer O(n²) complexity, master 4 solutions from sliding window to RAG, with bonus tips and closing statement. https://11180801.xyz/en/tutorials/context-limit-interview/ https://11180801.xyz/en/tutorials/context-limit-interview/ Thu, 11 Jun 2026 00:00:00 GMT Deep dive into the Transformer O(n²) root cause of LLM context length limits, detailing sliding window, rolling summary, RAG, and window extension with principles, code, comparison, decision tree, and three-level cache architecture. https://11180801.xyz/en/tutorials/context-limit-technical-guide/ https://11180801.xyz/en/tutorials/context-limit-technical-guide/ Thu, 11 Jun 2026 00:00:00 GMT RAG PDF handling interview answer framework: Four-layer standard architecture (parsing → structure restoration → chunking/indexing → Agent invocation), with two bonus points and standard answer summary. https://11180801.xyz/en/tutorials/pdf-rag-interview/ https://11180801.xyz/en/tutorials/pdf-rag-interview/ Thu, 11 Jun 2026 00:00:00 GMT In-depth guide to production-grade PDF RAG four-layer architecture: parsing layer (PyMuPDF/OCR/multimodal), structure restoration, semantic chunking strategy, Agent toolchain design, with complete code implementations and evaluation metrics. https://11180801.xyz/en/tutorials/pdf-rag-production-guide/ https://11180801.xyz/en/tutorials/pdf-rag-production-guide/ Thu, 11 Jun 2026 00:00:00 GMT AI Product Manager interview record: How a candidate impressed the interviewer with layered prompt framework, Few-shot design, and feedback loop. Breaking down 5 key insights into prompt design capability. https://11180801.xyz/en/tutorials/prompt-engineer-interview/ https://11180801.xyz/en/tutorials/prompt-engineer-interview/ Thu, 11 Jun 2026 00:00:00 GMT Systematically explain 5 key insights of Prompt Engineering: deconstruction ability, framework thinking, example-driven, feedback loop, product mindset. Each insight includes practical cases and code examples, with learning path and tool recommendations. https://11180801.xyz/en/tutorials/prompt-engineering-advanced-guide/ https://11180801.xyz/en/tutorials/prompt-engineering-advanced-guide/ Thu, 11 Jun 2026 00:00:00 GMT For non-technical Vibe Coding developers, 6 security review prompts you can copy and send directly to AI, covering authentication, authorization, input validation, data ownership, injection prevention, and over-defense, with usage instructions and pitfall summary. https://11180801.xyz/en/tutorials/vibe-coding-backend-security/ https://11180801.xyz/en/tutorials/vibe-coding-backend-security/ Thu, 11 Jun 2026 00:00:00 GMT Step-by-step guide to developing a complete AI product from scratch using Vibe Coding: project initiation analysis, tech stack determination, Cursor + Claude project skeleton generation, iterative development, and deployment. https://11180801.xyz/en/tutorials/vibe-coding-from-zero-to-one/ https://11180801.xyz/en/tutorials/vibe-coding-from-zero-to-one/ Thu, 11 Jun 2026 00:00:00 GMT In-depth comparison of mainstream 2026 Vibe Coding tech stacks: Blink zero-config solution, Next.js + Supabase leverage stack, Python FastAPI solution, with a complete tech selection comparison table and pitfall avoidance guide. https://11180801.xyz/en/tutorials/vibe-coding-tech-stack-guide/ https://11180801.xyz/en/tutorials/vibe-coding-tech-stack-guide/ Thu, 11 Jun 2026 00:00:00 GMT Vibe Coding beginner guide: Learn what vibe coding is, how to choose your product form, recommended tech stacks for beginners, and a 5-step quick start to AI-powered coding. https://11180801.xyz/en/tutorials/what-is-vibe-coding/ https://11180801.xyz/en/tutorials/what-is-vibe-coding/ Thu, 11 Jun 2026 00:00:00 GMT At the WWDC 2026 press conference, when Cook announced that Apple Intelligence would deeply integrate the Google Gemini model, there was no applause from the audience. The developers looked at each other, and someone whispered,"This is impossible." But facts are facts- https://11180801.xyz/en/news/apple-teets-up-with-google-gemini-is-fully-integrated-into-i-en/ https://11180801.xyz/en/news/apple-teets-up-with-google-gemini-is-fully-integrated-into-i-en/ Tue, 09 Jun 2026 00:00:00 GMT Imagine: You have a glass of water in front of you, and now drop a drop of ink into it. The ink droplets slowly spread, and finally the entire cup of water turned into a uniform light gray. This natural process from "clarity" to "chaos" only takes a few minutes. Now, what the Diffusion Model does https://11180801.xyz/en/tutorials/2026-06-09-diffusion-model-the-secret-of-reverse-thinking-en/ https://11180801.xyz/en/tutorials/2026-06-09-diffusion-model-the-secret-of-reverse-thinking-en/ Tue, 09 Jun 2026 00:00:00 GMT In your daily development work, are you often troubled by various document writing, data reporting, and email communication? While writing code only takes a few hours, it takes a whole day to organize documents and respond to emails. As developers, our time should be spent on more valuable things. Google Ski https://11180801.xyz/en/tips/2026-06-09-how-to-use-google-skills-to-improve-development-efficiency-en/ https://11180801.xyz/en/tips/2026-06-09-how-to-use-google-skills-to-improve-development-efficiency-en/ Tue, 09 Jun 2026 00:00:00 GMT Have you ever had this experience-the boss suddenly asked him a question: "What are the latest developments in the AI Agent field? Give me a summary." You open more than a dozen tabs and find them on Reddit, Hacker News, X (Twitter), YouTub https://11180801.xyz/en/tools/2026-06-09-last30days-skill-review-intelligence-aggregator-in-the-ai-era-en/ https://11180801.xyz/en/tools/2026-06-09-last30days-skill-review-intelligence-aggregator-in-the-ai-era-en/ Tue, 09 Jun 2026 00:00:00 GMT Ever had this situation: your boss suddenly asks you for a market analysis of an emerging technology. What's everyone complaining about on Reddit? What are the experts arguing about on X? You can only browse site by site, opening a dozen browser tabs, then copy-paste everything into a document — two hours gone. https://11180801.xyz/en/tools/last30days-skill-review-ai-scraping-web-and-writing-reports-en/ https://11180801.xyz/en/tools/last30days-skill-review-ai-scraping-web-and-writing-reports-en/ Mon, 08 Jun 2026 00:00:00 GMT Learn to build a real-time document scanner from scratch with OpenCV. Automatically detect paper edges, correct perspective skew, and enhance contrast for crisp scans. https://11180801.xyz/en/tutorials/opencv/ https://11180801.xyz/en/tutorials/opencv/ Mon, 08 Jun 2026 00:00:00 GMT SpaceX raised money again. This time it is US$1.77 trillion-a figure that already exceeds the combined market value of Boeing and Airbus and approaches the valuation of the entire China aerospace industry. In June 2026, Musk launched a new round of capital harvesting with a 60-page roadshow PPT. As soon as the news came out, https://11180801.xyz/en/news/2026-06-08-why-is-spacexs-60-page-powerpoint-worth-177-trillion-en/ https://11180801.xyz/en/news/2026-06-08-why-is-spacexs-60-page-powerpoint-worth-177-trillion-en/ Mon, 08 Jun 2026 00:00:00 GMT Have you ever encountered this situation: asking AI to help you write code, and it is indeed written correctly, but it just feels very "corny"-variables are named randomly, the code structure is mediocre, and there is a lack of design sense. Give AI a requirement, and the code it generates will work, but it looks like a factory assembly line product, without any https://11180801.xyz/en/tips/2026-06-08-how-to-use-taste-skill-to-bid-ai-code-farewell-to-mediocrity-en/ https://11180801.xyz/en/tips/2026-06-08-how-to-use-taste-skill-to-bid-ai-code-farewell-to-mediocrity-en/ Mon, 08 Jun 2026 00:00:00 GMT Why does AI 'understand' what you say? The answer lies in the attention mechanism. From human visual attention to the core of Transformer—Self-Attention—explained with intuition and diagrams. https://11180801.xyz/en/tutorials/2026-06-06-attention-mechanism/ https://11180801.xyz/en/tutorials/2026-06-06-attention-mechanism/ Sat, 06 Jun 2026 00:00:00 GMT From Transformer to modern LLMs. GPT autoregressive generation, BERT bidirectional understanding, LLaMA efficient training, and Claude Constitutional AI. https://11180801.xyz/en/tutorials/2026-06-06-attention-to-llm/ https://11180801.xyz/en/tutorials/2026-06-06-attention-to-llm/ Sat, 06 Jun 2026 00:00:00 GMT