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  • Working with Java Objects

    Fetching an existing Serialized Java Object Variable Creating a new Serialized Java Object Full Example This section explains how to work with serialized Java Objects in embe...
  • ORM

    ORM Setup Create tables Define a Model class Relations Belongs-to relation One-to-many relation One-to-one relation Many-to-many relation ORM Queries Create new model inst...
  • Rendering Components

    Two ways to render This book is written for Vue.js 2 and Vue Test Utils v1. Find the Vue.js 3 version here . Two ways to render vue-test-utils provides two ways to render, o...
  • 网络信息

    网络信息 reachabilityIOS 连接状态 例子 网络信息 网络信息公开在线或者离线信息 reachabilityIOS 异步确定设备是否处于在线状态并且在蜂窝网络。 None - 设备处于离线状态 WiFi - 设备处于在线状态,并且通过 WiFi 或者是 iOS 模拟器连接 Cell - 设备通过网络连接,3G,WiMa...
  • Working with Json Data

    Fetching an existing JSON Variable Creating a new JSON Variable Full Example Fetching an existing JSON Variable The Form SDK will only fetch those variables which are actuall...
  • 为变量赋值

    使用赋值操作符给变量赋值 使用 SELECT INTO 语句给变量赋值 有多种方式给一个变量赋值: 使用赋值操作符( := ) 给变量赋值,值可以是常量、变量、表达式或者子程序返回值。 使用 SELECT INTO 或 FETCH 语句给变量赋值,值多来自于表或者 SQL 运算结果。 将变量作为子程序的 OUT 或者 IN OUT 参数传入,然后在...
  • Terms

    Terms query Parameters Terms lookup Example Example: Nested fields Parameters Terms query Use the terms query to search for multiple terms in the same field. For example, ...
  • Vuex Store

    Vuex Store Activate the Store Modules mode Module files Plugins The fetch Method The nuxtServerInit Action Vuex Strict Mode Classic mode Vuex Store Using a store to ma...
  • Slow Log

    Slow Log Search Slow Log Identifying search slow log origin Index Slow log Slow Log Search Slow Log Shard level slow search log allows to log slow search (query and fetch ...
  • Command line tool

    Command line tool Configuration settings Default structure of Scrapy projects Sharing the root directory between projects Using the scrapy tool Creating projects Controlling p...