angular 2 map to iterable

similar to a map and is a set of keys, but does not store value. Because key cannot be duplicated, there is no duplicate key in set.To create a set, you need to provide an array as input, or create an empty set directly:var s1 = new Set(); // 空Setvar s2 = new Set([1, 2, 3]); // 含1, 2, 3Repeating elements are automatically filtered in set:var s = new Set([1,

Total: Java provides a relatively complete set of container classes, the basic types are: List, set, Queue, Map, these object types are called collection classes.one, interface inheritance relationship:Iterable interface, in Java.lang package, Collection, List, Queue, set interface inherit Iterable interfaceAs can be seen, list, Queue, set these three interfaces are in the Java.util package, inherit from th

This function functions as a function ,iterable Each item of the object as a parameter, and then calculates the output iteration sub - iterator. If function object functions can enter multiple parameters, then it can be followed by multiple objects that can be iterated. When multiple iterations of an object, the shortest object is judged by the result of the run. Example:#map () x = Range (Ten) print (lis

Detailed description of Angular 2 Table Control and angular Table Control Front-end frameworks have been a hot topic in recent years, especially Angular 2 has many fans. After Angular 2

Sort it out ~ 1. Call Baidu map in vue First of all, you need to apply for a Baidu key (very simple, not to mention) 1、introduce Baidu map javascript API interface in the index.html file: 2. In bulid/webpack. base. conf. configure bmap In the JS configuration file. exports and entry level 3. Import bmap in the map com

You need to define a to is able to use it elsewhere in your app as a TemplateRef . You can store these TemplateRef s in a Service and then access them the from any @Directive or in @Component your app.We want to create a service and a component together to store all the templates.ServiceImport {injectable, templateref} from "@angular/core"; @Injectable () Export class Templatesservice { New map();}Compo

I now do a project is angular, but I use the direct reference Baidu map method to introduce JS, write Html,js code, found, I went, the error, I initially thought is Baidu Map and angular conflict, and then I went to search Ah, Found angular also has a Baidu

; defined at module loadtime selector: ' Contacts-header ' , ' Header.component.html ', styleurls: [' Header.component.css ']}) Export class Headercomponent Implements OnInit {}JSPM://If We decide to use JSPM, we use the Typescriptoptions configuration format in the Config.js file:Systemjs.config ({typescriptoptions: {module:"Commonjs", Emitdecoratormetadata:true, Experimentaldecorators:true}, Transpiler:false, BaseURL:"/dist", Map: {app:' SRC ', T

asp. Net Core + Angular 2 Template for Visual Studio2017-01-11 08:45 by Little white brother, 2069 read, 19 reviews, favorites, compilation Over the months, I've been building support libraries and packages with a number of community contributors on github, and our ultimate goal is to create a template that starts as a starting point, based on the typescript code and ANGULAR2 hosted in the Asp. net core Pro

While you had multiple streams flowing into your scan operator, you'll need to map each stream to the specific values you Need to update your state the This is the want. This lesson covers using the "map operator to determine" What the "click" and "Interval should do" is updated.Import {Component} from 'Angular2/core'; import {bootstrap} from 'Angular2/platform/browser'; import {Observable} from 'rxjs/obser

{clockcomponent} from './clock'; @Component ({selector:'app', directives: [Clockcomponent], Template: '" Number"Value="0"> "Click$.next (Inputnum.value)">Update"Time | Async "> `}) ExportclassApp {click$=NewSubject (). Map ((number)=({type:hour, payload:parseint (number)})); seconds$= Observable.interval ( +). Mapto ({type:second, payload:1}); Time Constructor (Store:store) { This. Time = store.Select('Clock'); Observable.merge ( This. cli

RxJS allows combine streams in various ways. This lesson shows do you have a click stream and combine it with a store stream to use a value from the store inside a Reducer.The logic is when we click the Recall button, it'll reset all the people's time to the current time.First, bind the click event to recall$:"recall$.next ()">RecallNew Subject ();We get the latest time from the time Stroe:Constructor (store:store) { This. Time = store.Select('Clock'); This. People = store.Select('people'); Obs

In fact, this article should be called (1). After all, this article mainly focuses on theoretical knowledge and the previous article focuses on implementation formulas. Map projection used by network maps such as Google Maps and Bing (it seems that Baidu map is also a mocato projection), which is often called Web Mercator, the main difference between it and conventional mocato projection is to simulate the