榜单
服务器优惠
AI论文
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Introduction
Introduction Introduction Pixi is an extremely fast 2D sprite rendering engine. What does that mean? It means that it helps you to display, animate and manage interactive graph... -
对象关系映射
对象关系映射 对象关系映射（英语：Object Relational Mapping，简称ORM，或O/RM，或O/R mapping），是一种程序设计技术，用于实现面向对象编程语言里不同类型系统的数据之间的转换。从效果上说，它其实是创建了一个可在编程语言里使用的“虚拟对象数据库”。如今已有很多免费和收费的ORM产品，而有些程序员更倾向于创建自己的ORM... -
Schema.prototype.queue()
Schema.prototype.queue() Parameters Example: Schema.prototype.queue() Parameters name «String» name of the document method to call later args «Array» arguments to pass ... -
Schema.prototype.childSchemas
Schema.prototype.childSchemas Type: Schema.prototype.childSchemas Type: «property» Array of child schemas (from document arrays and single nested subdocs) and their corre... -
The ChangeStream object is an event emitter that emits the following events
Connection.prototype.watch() Parameters Returns: The ChangeStream object is an event emitter that emits the following events Example: Connection.prototype.watch() Parame... -
Query.prototype.cursor()
Query.prototype.cursor() Parameters Returns: Example Valid options Query.prototype.cursor() Parameters [options] «Object» Returns: «QueryCursor» Returns a wrapper ... -
Model.hydrate()
Model.hydrate() Parameters Returns: Example: Model.hydrate() Parameters obj «Object» [projection] «Object|String|Array<String>» optional projection containing which fiel... -
The ChangeStream object is an event emitter that emits the following events
Model.watch() Parameters Returns: The ChangeStream object is an event emitter that emits the following events Example: Model.watch() Parameters [pipeline] «Array» [opti... -
advanced usage
advanced usage advanced usage Creating from ES6 Classes Using loadClass() Mongoose allows creating schemas from ES6 classes . The loadClass() function lets you pull in metho... -
This option is only valid for operations that write to the database
Query.prototype.j() Parameters Returns: This option is only valid for operations that write to the database Example: Query.prototype.j() Parameters val «boolean» Ret...