Plant DoctorPlant Doctor
Plant recognition, care suggestions, and plant problem guidance.
Launching in ChinaLaunching overseas
Building better life with AI
I am HotPig, an independent AI app developer. This site collects my apps, web tools, vlogs, and technical writing.
Good tools. A kinder world.
LLM Course 01: How Input Becomes Output
The first LLM course note: tokenization, embeddings, Transformer layers, probabilities, and autoregressive generation.
Plant Doctor
Plant recognition, care suggestions, and plant problem guidance.
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Apps.
Personal apps that are live or launching, with regional download entries.
VoxfolioVoxfolio
Turns recordings, audio, and video into structured meeting notes and work documents.
Launching in ChinaOverseas download
Good ReaderGood Reader
A reader for PDFs, documents, materials, excerpts, annotation, summaries, and knowledge organization.
Launching in ChinaOverseas download
Personality TestPersonality Test
A structured personality assessment for self-understanding and personal observation.
Launching in ChinaOverseas download
VoiceCardVoiceCard
Voice recording, AI transcription, content organization, and card generation.
Vlog。
Video notes about product building, AI learning, and indie development will live here.
Blog.
Writing is the core of this personal site. Articles are organized into LLM, development, and SOP columns.
LLM Course 01: How Input Becomes Output
The first LLM course note: tokenization, embeddings, Transformer layers, probabilities, and autoregressive generation.
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LLM Course 01: How Input Becomes Output
The first LLM course note: tokenization, embeddings, Transformer layers, probabilities, and autoregressive generation.
LLM Course 02: Why Models Answer This Way
Why an LLM answers a prompt: conditional probability, pattern activation, and hallucination.
LLM Course 03: How Parameters Are Trained
How LLM parameters improve through forward pass, loss, backpropagation, gradient descent, and alignment stages.
LLM Course 04: Where Foundation Models Differ
Foundation models differ by architecture, data, context, post-training, openness, cost, and product fit.
LLM Course 05: Convergence and Generalization
Convergence is optimization, not truth. Generalization determines whether the model works on unseen problems.
Learning AI Development from Zero
A practical learning roadmap for independent developers: understand the structure first, then build projects with APIs, RAG, agents, evals, and production workflows.
About.
Personal positioning, contact, language versions, and filing information.
Independent developer focused on AI application development.
I keep turning learning records, product thinking, and project progress into written notes and working products.
Believe in the work. The future is worth building.
For support, privacy questions, App Store review, or formal collaboration.
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