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[Angular 8] Implement a Custom Preloading Strategy with Angular

Preloading all modules is quite an extreme approach and might not always be desirable. For instance, you don't want to preload lazy routes a user might not even have access to. Therefore, in this lesson we're going to have a look at how to define a c…

How to: Implement a Custom Base Persistent Class 如何:实现自定义持久化基类

XAF ships with the Business Class Library that contains a number of persistent classes ready for use in your applications. All these classes derive from the BaseObject base persistent class declared in the same library. This is a recommended-to-use f…

angular的跨域（angular百度下拉提示模拟）和angular选项卡

1.angular中$http的服务: $http.get(url,{params:{参数}}).success().error(); $http.post(url,{params:{参数}}).success().error(); $http.jsonp(url,{params:{wd:'',cb:'JSON_CALLBACK'}}).success().error(); 注意jsonp中cb在angular中规定只能使用JSON_CALLBACK $watch(谁,做什么,false): 谁…

angular 2+ 变化检测系列三(Zone.js在Angular中的应用)

在系列一中,我们提到Zone.js,Zones是一种执行上下文,它允许我们设置钩子函数在我们的异步任务的开始位置和结束位置,Angular正是利用了这一特性从而实现了变更检测. Zones.js非常适合Angular 事实证明,Zones解决的问题非常适合Angular在我们的应用程序中执行变更检测所需的内容.你有没有问过自己Angular何时以及为何进行变化检测?什么时候告诉Angular: 兄弟,我的应用程序中可能发生了一个变化.你能检查一下吗?在我们深入研究这些问题之前,让我们首先考虑一下…

【Angular JS】正确调用JQuery与Angular JS脚本 - 修复Warning: Tired to load angular more than once

自己正在做一个小网站,使用Angular JS + Express JS + Mongo DB,在开发过程中,遇到一些问题,所以整理出来.希望对大家都有帮助. 这是今天解决的一个问题,Angular JS抛出Warning: Tired to load angular more than once. 前端使用的就是Angular JS,同时前端脚本中我也使用了JQuery.以下是二者Script的最初调用顺序, 在public文件夹下的index.html中: <body ng-view> &…

[Angular] Implement a custom form component by using control value accessor

We have a form component: <label> <h3>Type</h3> <workout-type formControlName="type" ></workout-type> </label> form = this.fb.group({ name: ['', Validators.required], type: 'strength' }); constructor( private…

[Angular Directive] Implement Structural Directive Data Binding with Context in Angular

Just like in *ngFor, you're able to pass in data into your own structural directives. This is done by declaring the variable using a let statement then passing context into the createEmbeddedView call. We know *ngFor we did like this: *ngFor="let mes…

How to implement a custom type for NHibernate property

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[Angular 2] Filter items with a custom search Pipe in Angular 2

This lessons implements the Search Pipe with a new SearchBox component so you can search through each todo. It also demonstrates the patterns used for components to interact with each other. Often generic components are used for handling user input t…

How to implement a custom PropertyEditor so that it supports Appearance rules provided by the ConditionalAppearance module

https://www.devexpress.com/Support/Center/Question/Details/T505528/how-to-implement-a-custom-propertyeditor-so-that-it-supports-appearance-rules-provided…