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user: yiweileng
created: 2026-06-29
karma: 13

submissions:

Replacing Polling with Events in a Trading Execution Engine
3 points | 1 comments
From a Research Report to a Validated Factor with AI
2 points | 0 comments
Building Real-Time Analytics with Streaming Engines
4 points | 0 comments
JIT for the Code Vectorization Can't Optimize
4 points | 0 comments
How Stream Processing Works: From Stateless Functions to Stateful Windows
3 points | 0 comments
We Rebuilt a Securities Firm's FICC Data Stack – Queries Got 10x Faster
5 points | 0 comments
Turning High-Frequency Data into Daily Factors
4 points | 0 comments
How to Build 1-Minute OHLC Bars from Non-Uniform Market Snapshot Data
5 points | 1 comments
DolphinDB v3.00.6 and v2.00.19: Introducing DolphinX for Enterprise AI Agents
3 points | 0 comments
We Helped an Auto Parts Plant Cut MES Query Times by Up to 116x
4 points | 0 comments
Crypto Pin Bars Form and How to Detect Them: Lessons from a $19B Liquidation
4 points | 0 comments
Building a High-Performance C++ Backtesting Framework with Order Simulator
2 points | 0 comments
Backtest to Insight: Building an Index Futures Strategy from Stock-Level Signals
3 points | 1 comments