混合 创建一个构造函数 扩展一个类并且返回它 混合 TypeScript (和 JavaScript) 类只能严格的单继承，因此你不能做： class User extends Tagged , Timestamped { // ERROR : 不能多重继承 // .. } 从...

Mixins Take a constructor Extend the class and return it Mixins TypeScript (and JavaScript) classes support strict single inheritance. So you cannot do: class User exten...

API Usage Implementation Flush/compaction Representation Scalability A snapshot captures a point-in-time view of the DB at the time it’s created. Snapshots do not persist acr...

Export Task Example Configuration-driven example Methods Export Task The Export Task exports task outputs to CSV or Excel. Example The following shows a simple example u...

Export Task Example Configuration-driven example Methods __init__(self, action=None, select=None, unpack=True, column=None, merge='hstack', initialize=None, finalize=None, concur...

Export Task Example Configuration-driven example Methods __init__(self, action=None, select=None, unpack=True, column=None, merge='hstack', initialize=None, finalize=None, concur...

Timestamp Timestamp 给Observable发射的数据项附加一个时间戳 RxJava中的实现为timestamp ，它将一个发射T类型数据的Observable转换为一个发射类型为Timestamped<T> 的数据的Observable，每一项都包含数据的原始发射时间。 timestamp 默认在immediate 调度器...

Export Task Example Configuration-driven example Methods __init__(self, action=None, select=None, unpack=True, column=None, merge='hstack', initialize=None, finalize=None, concur...

Monitoring Metrics overview JSON document format Top-level document Metric entry Time-series data point Monitoring Reference documentation for the metrics reported by Spinn...

Export Task Example Configuration-driven example Methods Export Task The Export Task exports task outputs to CSV or Excel. Example The following shows a simple example u...