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This chapter will talk about the project structure of ASP.NET Core 2.0. See the complete series of ASP.NET Core articles: https://www.cnblogs.com/zhangweizhong/category/1477144.html   New projects New projects, choose. NET Core has the following types of options, Console, ASP.NET Core empty project, Web API We chose ASP.NET Core Web App(MVC ...

1.Cascade is a cascade action. In many_to_one, if cascade is used to cascade related objects, the following code can cascade to save Category objects. Mapping File Settings in Book <many-to-one name="category" column="cid" cascade="save-update"/> When saving a book, if the corresponding category of the book is not saved, save the c ...

1. Goals In the form of LCD spreadsheet, the number is displayed dynamically in the specified element. Target keywords: dynamic change (timer), specified element (DOM element ID), numberEffect: Among many page elements, different numbers are displayed in dynamic effect, which can be positive or negative. And dynamically change the data in at ...

biconnected component (bcc) Concept: There are two kinds of bi-connected components, one is bi-connected component and the other is edge bi-connected component. If the removal of any node (an edge) in an undirected graph does not change the connectivity of the graph, that is, there is no cut point (bridge), it is called a point (edge) connect ...

From: https://icewing.cc/post/about-cross-origin.html Access-Control-Allow-Origin Problem Access-Control-Allow-Headers Problem cookie problem OPTIONS request Complete code In the past two days, we have to study the cross-domain problem because we need to use angular's $http service to access data and the interface is under another ...

List is the implementation class of collection interface List: Features: orderly, repeatable It has two commonly used implementation classes: One. ArrayList: Features: Storage in the form of arrays, so random access speed is faster, all of which are suitable for queries. Disadvantage: Not suitable for insertion and deletion operations bec ...

MongoDB Index Why use index? Assuming there is a book, you want to see what Chapter 6, Section 6, says, and what you will do, the average person must go to the catalogue, find the corresponding pages of this section, and then turn to this page. This is the catalog index, which helps readers quickly find the chapters they want. In databases, w ...

When Swoole Meets ThinkPHP5: Hello,World! This article assumes that you already have a PHP environment for the Linux operating system. It is highly recommended that you use Vagrant to build a development environment. Install Swoole PECL Extension Swoole can be installed either by pecl command or by compiling and installing source packages. Thi ...

Key knowledge points: 1. Using vuex/store to manage data 2. Logic of login and registration 3.Nuxt Local Storage   1. Login page 1.1 Login Page Layout The code to replace pages/user/login.vue is as follows <template> <div class="container"> <!-- primary coverage --> <el-row type=" ...

The linkbutton is a button component in the easyui framework and is the parent of other button components in various forms, such as MenuButton.linkbutton is created from <a>tag in html. Users can add icons and text to the button. It is a very common component. The Cancel and Logon buttons in the image above are the link buttons.Take a l ...