In this post, we are going to create our own structure directive *ngFor. What it should looks like in HTML? <div> <ul> <li *myFor="let item of items; let i = index;"> {{ i }} Member: {{ item.name | json }} </li> <templ…

今日尝试用python建立一个restful服务. 原文地址:http://www.dreamsyssoft.com/python-scripting-tutorial/create-simple-rest-web-service-with-python.php?/archives/6-Create-a-simple-REST-web-service-with-Python.html Create a simple REST web service with Python This is a q…

This lesson shows you how to create a component and pass its properties as it updates into a Pipe to make a simple searchable list. import {Pipe} from 'angular2/angular2'; @Pipe({ name: 'simpleSearch' }) export class SimpleSearch{ transform(value, [f…

We will use 'HostListener' and 'HostBinding' to accomplish the task. The HTML: <label> Credit Card Number <input name="credit-card" type="text" credit-card placeholder="Enter your 16-digit card number"> </label…

When you create a Form in Angular 2, you can easily get all the values from the Form using ControlGroup and Controls. Bind [ng-form-model] to the <form> form bind to ControlGoup Bind [ng-form-control] to the <input> input bind to Gontrol impor…

For example we want to create a pipe, to tranform byte to Mb. We using it in html like: <div> <div *ngFor="let file of files"> <p>{{ file.size | filesize: 'MB' }}</p> </div> </div> Create pipe: import {Pipe, P…

In previous artical, we introduce the how to use *ngFor. The limitation for previous solution to display all the heros is we hard cord all heros in our heroes component. First, in real world app, we cannot hard cord;  Seond, even we don't hard code,…

You can use Select and Option elements in combination with ng-for and ng-model to create mini-forms that change your data as you make a selection. /** * Created by wanzhen on 23.10.2015. */ import {Component, View, NgFor, FORM_DIRECTIVES} from 'angul…

I needed a lightweight HTML editor to generate "rich text" emails, so I decided to explore the features and capabilities of the MFC CHtmlEditCtrl control.  I had looked into using the DHTML Edit Control (an Active X control) in the past, but thi…

Also check: directive for form validation User input validation is a core part of creating proper HTML forms. Form validators not only help you to get better quality data but they also guide the user through your form. Angular comes with a series of…

User input validation is a core part of creating proper HTML forms. Form validators not only help you to get better quality data but they also guide the user through your form. Angular comes with a series of built-in validators such as required or ma…

Creating custom validators is easy, just create a class inject AbstractControl. Here is the form we want to validate it: form = this.fb.group({ store: this.fb.group({ branch: ['', [Validators.required, StockValidators.checkBranch]], code: ['', Valida…

To create a dynamic template, we need to a entry component as a placeholder. Then we can use entry component to create a new Tamplete into it. import { Component, TemplateRef, ComponentRef, ViewContainerRef, ViewChild, AfterContentInit, ComponentFact…

<!--The content below is only a placeholder and can be replaced.--> <div style="text-align:center"> <h1> Welcome to {{ title }} </h1> <h1>循环数据 显示数据的索引(key)</h1> <ul> <li *ngFor="let item of list;…

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前言:之前笔者的试用博文提到安富利这块板子非常适合MicroBlaze开发,同时网上关于MicroBlaze的资料非常少(或含糊不清),没有一篇能完整介绍VIVADO SDK的设计流程,所以笔者带来这篇博文以供参考. 实验平台:Avnet-Artix-7 50T 开发套件/其它硬件也可以EDK:Vivado 2015.2SDK:Xilinx SDK 2015.2 实验内容:创建一个简单的MicroBlaze,实现板上LED流水灯和串口功能. 实验步骤:(一)        EDK部分1.    …

Command-line tools can help you with all sorts of tasks. This lesson covers the very basics of setting up a CLI tool in Node.js by creating your project with npm, setting up your bin script, and using CAC to parse a single argument. Create a new proj…

If you're coming from AngularJS (v1.x) you probably remember the ng-true-value and ng-false-value directive which allowed to map custom boolean values like "yes" or "no" or whatever other value you had, onto your HTML form. In this les…

js-ctypes 为Firefox extension访问由C/C++编写的native code提供了一种通用的方法. 从Firefox 4 开始支持js-ctypes,不同版本的之间有极好的兼容性.即使Firefox不断升级,也不需要修改native code,因此js-ctypes大受FF extension 开发者的青睐. 本文将会用一个简单的例子说明在Windows平台如何load dll 文件以及调用简单API. Native Code: 这部分定义了一个求和的API, 将传入的两…

Now that Angular 2 is in beta, the time has come for us to drop everything and learn something new, again. The good news is, like React and Angular 1.x, Angular 2 is here to stay for a while so it’s a good investment to become productive with this ne…

这篇文章讲了angular reactive form, 这里是angular file upload 组件 https://malcoded.com/posts/angular-file-upload-component-with-express/ 原文:https://malcoded.com/posts/angular-fundamentals-reactive-forms/ ------------------------------------ Forms are arguably o…

You can find/fork the sample project on GitHub Hey! This and all my other tutorials will soon be moving to a new home at CloseBrace, a site for JavaScript developers. You should totally click that link right now, and sign up to be alerted when the si…

Using Services in Angular 2 is very simple. This lesson covers how to create a simple class as a Service then set it up so that you can use it across all your Components. In the bootstrap() we can inject the service to the application. Then the servi…

时间:2014年12月15日 14:15:10 /** * @license AngularJS v1.3.0-beta.15 * (c) 2010-2014 Google, Inc. http://angularjs.org * License: MIT */ (function(window, document, undefined) {'use strict'; /** * @description * * This object provides a utility for produc…

本文转自:https://code.visualstudio.com/docs/nodejs/angular-tutorial Using Angular in Visual Studio Code Angular is a popular JavaScript library for building web application user interfaces developed by Google. The Visual Studio Code editor supports Angul…

http://www.entityframeworktutorial.net/EntityFramework5/create-dbcontext-in-entity-framework5.aspx 官网的教程https://msdn.microsoft.com/en-us/data/jj206878 Here, we are going to create an Entity Data Model (EDM) for SchoolDB database and understand the ba…

Armed with the map and concatAll functions, we can create fairly complex interactions in a simple way. We will use Observable to create a simple drag and drop example with basic DOM elements. <!DOCTYPE html> <html> <head lang="en"…

Today, I’d like to take a quick moment to demonstrate how to make a simple file server using Rewrite, and any Servlet Container, such as Tomcat, Wildfly, or Jetty. This can enable much easier file updates for static content, such as preventing the ne…

转自:https://severalnines.com/blog/creating-new-modules-using-postgresql-create-extension Extensibility is one of the most powerful feature in PostgreSQL. You can add new functionality for a particular use case by using contrib module and install it us…

http://www.sthda.com/english/wiki/create-and-format-word-documents-using-r-software-and-reporters-package Install and load the ReporteRs R package Create a simple Word document Add texts : title and paragraphs of texts Format the text of a Word docum…