Yosgi Siqi Liu

Tool and Code do not just differ in expressiveness; they also fail at different times. This article explains why multi-round Agent systems amplify that difference.

AI will not replace software engineers as a whole. It will remove much of the repetitive, mechanical work and give engineers more leverage to focus on judgment, systems, users, and building better …

Multi-tool agents become unreliable when the same task takes different tool paths each time. This article explains why Skills should preserve validated execution paths, not one-off results, and why …

A synchronization paradigm for massive real-time data: a middle layer isolates high-frequency data sources, and React consumes only the linear projection of the visible viewport.

A Bet-the-Dip Strategy in AI-Driven Markets

How Cut 6,000 Tokens Down to 500

Circle is a high-quality company operating in a promising sector, but at a valuation of roughly $40 billion, the market had already priced in a substantial portion of its future growth.

Finding the path in a zigzag-labeled binary tree using the symmetry of each level's numbering.

Checking whether a set of ranges fully covers an interval, from brute force to an interval-compression optimization.

Reversing a sublist of a linked list in place using a dummy head and tracking the boundary nodes.