Programming VIP

There are no more than two types of submission: Express submission and ajax submission 1: Form submission      html <form action="TestWebspx.aspx"  method="post">           <input  type="text" name="username"/>           <input  type="submit" value="submit"/>       </form>   Get the submitted dat ...

Recently, I took the time to study the html5 history and wrote a small test. Because it is only displayed in the front end, I changed the ajax processing into a simple JS event, and directly copied the code, which can be viewed in the static page. 1, Basic operation //Browser Back window.history.back(); window.history.go(-1); //Browser ...

Discard clip: for the rendering of transparent objects, you can discard the clip: void main() { vec4 texColor = texture(texture1, TexCoords); if(texColor.a < 0.1) discard; FragColor = texColor; } Blend: although it's good to discard the clip directly, it can't render a translucent image. We ei ...

Set Qt Widget property in QSS Default style QSS custom attribute corresponds to Qt type Use enumeration Using the QSS property selector Code instance Set Qt Widget property in QSS Q_OBJECT // Add custom attributes to the Qt dynamic attribute system (usually written under q'u object) Q_PROPERTY(QColor colSelec ...

Error reporting details Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported. Key word canvas.toDataURL() crossOrigin Access-Control-Allow-Origin Preface Recently, I am making a creative image synthesis tool, which is to generate a product image by splicing customized text and image ...

WeChat Applet Learning Notes (3) Music Player (Head Tab Tag) Components are the basic components of the View Layer (UI), with some basic functions and WeChat style.In fact, components are the encapsulation of HTML5 elements by the development framework. 1. Components 1. Use of components <Label Name Attribute="Attribute Value&quot ...

recursion Function directly or indirectly calls the function itself, which is called a recursive functionThree elements of recursion:1) The recursive algorithm must have a basic ending condition (to solve the problem of minimum scale directly);2) The recursive algorithm must be able to change the state to the basic end condition (reducing the ...

Service life cycle The choice of life span in chain injection TryAdd and generic injection Replace built-in service container ASP.NET Core provides a default dependency injection container, which can be configured in the Startup.ConfigureServices method. Service life cycle The default dependency injection container provides three lifecycles: ...

1. Game introduction A jigsaw puzzle divides a picture into several pieces and randomly scrambles them. When all the pieces are put back to their original positions, the puzzle is finished (the end of the game). This character puzzle game is composed of three lines and three columns. The blocks are arranged in random order. The player clicks ar ...

Introduction: welcome to woo's front end. What we bring you today is advanced knowledge of JavaScript. The next series focuses on advanced JavaScript. First, we talk about advanced functions. Definition of high-order function: high-order function refers to the function of operation function; generally, there are two situations in the process o ...