To query a user's mobile phone and WeChat number, the following SQL statement can be used.

Almost everyone has been through situations like cracked screens, water-damaged phones, and blank screens that won’t respond. When these inevitable events occur, it’s usually not the phone itself that ...

Simply collecting data is not enough. You can fill spreadsheets with data, but it's useless if you can't act on it. Regression is one of the most powerful statistical tools for finding relationships ...

IntroductionAPT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima) is a North Korean-aligned threat actor active since at least 2012. APT37 primarily targets South Korean individuals ...

现在的量化交易早就不是简单的技术指标了。真正有效的交易系统需要像一个完整的投资团队一样工作——有专门的分析师收集各种数据，有研究员进行深度分析和辩论，有交易员制定具体策略，还有风险管理团队把关。问题是传统的程序很难模拟这种复杂的协作流程。 LangGraph的多智能体架构正好解决了这个问题。我们可以构建一个像真实投资公司一样运作的系统，每个智能体负责特定的职能，它们之间可以进行辩论、协商，最终形成 ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...