Andy Blog

Full-stack developer

nopCommerce tutorial (1) - installation and debug

Prepare environment operating system windows 10+, sql server 2022 developer+ control panel > program and features > turn windows feature on/off > IIS > Application De...

Posted by Andy Feng on April 18, 2025

Toronto Hydro Fees

房子空着电费照收 朋友来店里探访聊天，他买的投资房空了几个月，没有人居住，可是电费不是零，还是和以前差不多的数目。经过查询Toronto Hydro，原来电费中有很大一部分是delivery费，这一部分收费主要是把电力从电厂送到Toronto Hydro再送到住家产生的费用。从Toronto Hydro网站摘录解释如下： The Delivery Charge covers the cost...

Posted by Andy Feng on July 8, 2024

Blazor tutorial 5 - Identity

Introduction ASP.NET Core Identity is a membership system. It allows us to create, read, update and delete users. It supports user registration, authentication, authorization, password recovery, tw...

Posted by Andy Feng on December 26, 2022

Blazor tutorial 4 - Telerik UI

Installation method 1: use msi installation it enables vs to create Telerik Blazor application vs > options > package sources > add telerik blazor method 2: install Telerik Blazor ...

Posted by Andy Feng on December 20, 2022

Blazor tutorial 3 - Razor Page

Syntax Reference Tutorial: Get started with Razor Pages in ASP.NET Core Introduction to Razor Pages in ASP.NET Core ASP.NET core razor pages tutorial ASP.NET core tutorial for beginners

Posted by Andy Feng on December 10, 2022

Blazor tutorial 2 - Razor

Syntax Razor is one of the view engines supported since ASP.NET MVC. Razor allows us to write a mix of HTML and C#/Basic. Declare Variables Declare a variable in a code block enclosed in brackets ...

Posted by Andy Feng on December 10, 2022

Blazor tutorial 1 - Introduction

Introduction Blazor is a Single Page Application framework. It is open source and powered by .NET Foundation. Blazor allows us to develop front-end web applications using C#, HTML, razor templates....

Posted by Andy Feng on December 10, 2022

Create Angular v2+ project (7) - Angular life cycle

Introduction Each component has a lifecycle managed by Angular. Generally, Angular creates a component and its children, set up data and listens to changes, renders it and children. Then, keep che...

Posted by Andy Feng on August 8, 2020

Create Angular v2+ project (6) - service

Create singleton service There are two ways to make a service a singleton in Angular: Declare that the service should be provided in the application root. This is the preferred way and wil...

Posted by Andy Feng on July 29, 2020

Create Angular v2+ project (5) - rxjs & observable

Introduction Asynchronous programming is an important technique to create web applications. It allows units of work to run separately from the primary application thread and makes main application ...

Posted by Andy Feng on July 25, 2020

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