Personal notes on early ChatGPT and AI-tool experiences, including learning advice, coding productivity, academic writing, debugging, and end-to-end ML assignment workflows.

Personal academic notes on reading papers efficiently, understanding paper structure, building research taste, using Zotero, writing with LaTeX, and preparing arXiv submissions.

A beginner-friendly study note on convolutional neural networks, covering image tensors, convolution filters, feature maps, receptive fields, pooling, softmax, cross-entropy, and why CNNs work in deep learning.

A practical Git and GitHub command notebook covering clone, init, add, commit, log, checkout, reset, branch, merge, push, pull, and common remote-push troubleshooting.

A photo diary of my 2021-2022 year at CUHK and in Hong Kong, covering arrival, coursework, friends, hikes, research pressure, campus life, and quiet leaving moments.

An informal profile of Mingjing Xu: CS PhD student at Swansea University working on multi-objective optimization, multimodal learning, trustworthy AI, and edge intelligence.

A running note on building and maintaining this Hexo + GitHub Pages website, including setup links, common bugs, Hexo commands, deployment flow, image handling, Markdown, and LaTeX tips.

The default hidden Hexo starter post with quick examples for creating posts, running the local server, generating static files, and deploying a Hexo site.