被报价100万美元的AI代码审查工具，自己动手只花300美元月成本就搞定，值得每个开发者参考。
Article URL: https://sagivo.com/blog/i-was-quoted-1m-to-get-ai-diff-review-tool Comments URL: https://news.ycombinator.com/item?id=49236612 Points: 3 …
从NumPy开始手写量化金融计算，告别黑箱，真正理解vol等核心指标。
Quantitative finance has a reputation for being gatekept behind expensive certificates and heavy math. Some of the math is real. But the fastest way i…
PDF处理工具作者自爆痛点：引用功能表现亮眼，其他功能待检验，诚邀用户反馈是否真有用。
ok so full disclosure: I'm the person who built this. I'm not here to drop a pitch deck on you — I just need people who actually live in PDF hell to t…