Discover the best cloud ETL tools for data engineers in 2025. Compare features, pricing, and use cases as we explore the most effective data integration solutions for modern organizations with ...

2019-12-13 A rapist on death row in India argues he should be spared hanging. Pollution is killing me anyway, he says 2019-12-13 US prosecutors turn to possible bribery charges in investigation over ...

打开交易图表，堆上十个技术指标，然后对着屏幕发呆不知道下一步怎么操作——这场景对交易员来说太熟悉了。如果把历史数据丢给计算机，告诉它“去试错”。赚了有奖励，亏了有惩罚。让它在不断的尝试和失败中学习，最终迭代出一个不说完美、但至少能逻辑自洽的交易策略。