Programmer Think

Source code 10: InputField InputField is the input box that provides users with input text content. It is an important interactive means. For example, it is commonly used to enter user name, password and so on. public class InputField : Selectable, IUpdateSelectedHandler, IBeginDragHandler, IDragHandle ...

Spring -- dependency injection Dependency injection (DI) Dependency injection (DI) is a process through which an object can only define its dependencies (that is, other objects working with them) through constructor parameters, factory method parameters, or properties set on the object instance after constructing or creating the object in ...

Express e stack (Io serialization) MVC mode (three-tier architecture mode) Concept: MVC (model view controller) is a framework mode. In the classic MVC mode, M refers to the business model, V refers to the user interface, and C refers to the controller. M: Namely model A model is a model that represents business rules. V: Namely View Vi ...

My official account is written in Bear Mac App. It wrote on the official website that all note data is stored through SQLite, as shown in the figure below. SQLite is a file based relational database. It has only one file, but it can store up to 140TB of data [1]. The official website of SQLite provides a standard for judging whether it is suit ...

Htmlagility pack is an open source C# class library for rapid parsing of Html. Simply understand, it can transform Html into Node nodes according to XPATH just like parsing Xml, and support the adjustment of nodes and various attributes of nodes. Portal: Official Website | Github source code Load Html in multiple ways There are three main loa ...

preface After a year, I found myself slack and didn't blog much. I also wanted to write the problems encountered in the project, but I didn't put them into action. Recently, I reconstructed some bad code of the project. When I'm free, it's also time to share the problems encountered in the project with you.Well, after nagging, today we wi ...

Write it in the front, Hello everyone! I'm Xlong, an engineering man in a non computer class. Since I have been learning python recently and have taken a lot of notes about python learning, I want to sort out a series of articles about its foundation, which is convenient for my daily review on the one hand, and also want to communicate and lear ...

Vue.js - Day4 Parent component passes value to child component For the component instance definition method, note: the props attribute must be used to define the data passed by the parent component <script> // Create Vue instance and get ViewModel var vm = new Vue({ el: '#app', data: { msg: 'This is the ...

Terms of binary tree Node: an element in a tree Child node: the root of each subtree of a node Parent node: the opposite concept of child node Sibling node: a child node with the same parents Ancestor node: both parent nodes from the root node to this node become ancestor nodes Descendant node is the opposite concept of ancestor node De ...

Elasticsearch is a Lucene based search server. It provides a distributed multi-user full-text search engine based on RESTful web interface. Elasticsearch is developed in the Java language and released as an open source under the Apache license terms. It is a popular enterprise search engine. Elasticsearch is used in cloud computing, which can a ...