South Korea's Kospi index plunged by 10% after trading was halted temporarily by a so-called circuit breaker, which aims to avoid panic selling. Japan's Nikkei 225 was down by 3.6%, while Hong Kong's Hang Seng index fell by 3%.
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Edmund King, president of the AA, warned the disruption could drive up petrol prices around the world.，更多细节参见wps下载
To achieve testability in modular software we need to leverage the Dependency Inversion Principle (DIP) up to the level of application architecture. That was the reasoning behind introducing the concept of Infrastructure-Modules. When we extract all the infrastructure code from Business-Modules, they can stay focused on the business logic and have no design/compile-time dependencies on any untestable infrastructure code. As a side effect, we achieve Separation of Concerns.