Throughout the development of our microservices, we heavily leveraged dependency injection. As part of a .NET web application's startup process, you register the individual types that should be part of the inversion of control (IoC) container. Individual classes inject their dependencies as interfaces in their constructor arguments. This allows different concrete implementations to be used depending on the context. For example, an interface for a telemetry client may be utilized throughout the codebase. The concrete implementation in the live-service sends actual telemetry data to a remote endpoint. A mocked implementation is used in unit tests to validate the correct event would be sent at the appropriate time.
In just a few weeks, the four astronauts will be strapped into a spacecraft, perched on the top of the rocket, ready to blast off to the Moon.
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第19届肖邦国际钢琴比赛结束后，陆逸轩压轴登台连续三晚的庆典音乐会。图丨 © Krzysztof Szlezak
第八条 行政执法监督机构应当严格依法履行监督职责，不得以监督代替行政执法，不得滥用职权干预行政执法，避免增加行政执法机关负担。