https://cxy0218-blog.pages.dev/posts/ Study notes, debugging diaries and write-ups by Chen Xiangyang. en Fri, 16 Oct 2026 06:00:00 GMT https://cxy0218-blog.pages.dev/posts/frontend-performance/ https://cxy0218-blog.pages.dev/posts/frontend-performance/ Fri, 16 Oct 2026 06:00:00 GMT Slow first paint on my phone, janky page transitions, images popping in one by one — and how I tracked each problem down. https://cxy0218-blog.pages.dev/posts/ai-desktop-pet/ https://cxy0218-blog.pages.dev/posts/ai-desktop-pet/ Fri, 16 Oct 2026 03:30:00 GMT Cutting out sprites, a state machine, Pomodoro hooks, a DeepSeek connection — and a few details I reworked more than once. https://cxy0218-blog.pages.dev/posts/checkin-feature/ https://cxy0218-blog.pages.dev/posts/checkin-feature/ Fri, 16 Oct 2026 02:00:00 GMT Things I reworked several times while building it: the data model, the timer, the calendar colors, and export/backup. https://cxy0218-blog.pages.dev/posts/blog-migration-notes/ https://cxy0218-blog.pages.dev/posts/blog-migration-notes/ Wed, 14 Oct 2026 13:30:00 GMT How I got it running on a machine without Node — and the three places it got stuck. https://cxy0218-blog.pages.dev/posts/linux-command-line/ https://cxy0218-blog.pages.dev/posts/linux-command-line/ Wed, 14 Oct 2026 12:30:00 GMT Lab sessions mean commands I cannot remember, so I look them up. These are the ones I use most, and a few I got burned by. https://cxy0218-blog.pages.dev/posts/algorithm-sorting/ https://cxy0218-blog.pages.dev/posts/algorithm-sorting/ Wed, 14 Oct 2026 11:30:00 GMT I implemented bubble, insertion, merge, quicksort and heapsort, hit a few traps, and ended up with a comparison table.