toCollection().toArray() 这个组合方法首先通过 toCollection() 创建一个实时集合,然后立即调用 toArray() 方法来执行查询并返回一个 Promise,该 Promise 解析为包含所有当前匹配结果的数组。 虽然这看起来和直接使用 toArray() 类似,但主要区别在于,如果 toCollection() 创建的集合在调用 toArray() 后立即发生变...
String[] x = (String[]) v.toArray(new String[0]); 注意,toArray(new Object[0]) 和 toArray() 在功能上是相同的。 参数: a - 存储此 collection 元素的数组(如果其足够大);否则,将为此分配一个具有相同运行时类型的新数组。 1public<T>T[] toArray(T[] a) {2intsize =size();3if(a.le...
ESM: import Collection from "@arcgis/core/core/Collection.js"; Class: esri/core/Collection Inheritance: Collection→Accessor Subclasses: SceneModifications Since: ArcGIS Maps SDK for JavaScript 4.0Collection stores an array of items of the same type. It provides useful utility methods for working...
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Configuration to use Hyper.js as a ZSH terminal with a Windows Subsystem Linux on windows 10, with Oh My Zsh and the Powerlevel10k theme - How-to for getting Oh-My-ZSH running on WSL. Getting started with oh-my-zsh - A beginners guide to oh-my-zsh by Dien Bui How to Install and...
21.What are the possible ways to create objects in JavaScript? 22.What is the difference between Object and Map? 23.What are the mutable and immutable array's methods? 24.What does array-like mean? 25.What is the difference between for...of and for...in loop?
varmap; require([ "esri/map", "esri/layers/FeatureLayer", "esri/dijit/PopupTemplate", "esri/request", "esri/geometry/Point", "esri/graphic", "dojo/on", "dojo/_base/array", "dojo/domReady!" ],function( Map, FeatureLayer, PopupTemplate, ...
Instead, it removed the first and third elements of the array. To delete the first two elements, you can do the following: mysql-js>myColl.modify("name = 'Ann'").unset("favorNums[0]","favorNums[0]");Query OK, 1 item affected (0.0108 sec) ...
addGroup(values: Array<string | Shape>): Excel.Shape; 参数 values Array<string | Excel.Shape> 形状ID 或形状对象的数组。 返回 Excel.Shape 注解 [ API 集:ExcelApi 1.9 ] 示例 TypeScript 复制 // Link to full sample: https://raw.githubusercontent.com/OfficeDev/office-js-snippets/prod/...
A comma-delimited string or an array of strings that specify the properties to load. Returns PowerPoint.SlideLayoutCollection Examples TypeScript 複製 // Link to full sample: https://raw.githubusercontent.com/OfficeDev/office-js-snippets/prod/samples/powerpoint/slide-management/add-slides.yaml ...