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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11309

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17619

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11325

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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javascript - How to draw multiple balls on canvas so that the background image of each ball is different? Is it possible?

Question: When drawing multiple balls on canvas, how can I make the background image of each ball different? Is it possible? What I want to do now is just make each ball a different color, and I want to fill it with pictures. Part of the code: {code...} Current effect:

2017-06-14 10:54:28

Problem with not getting accurate mouse coordinates: using HTML5 canvas when resizing the page

I want to create this pixel effect from a front-end expert. Although I can achieve the entire pixel effect on a full-screen canvas: constcanvas=getElementById('canvas');canvas.height=window.innerHeight;//Set the full-screen height to the canvas canvas.width=window.innerWidth;//Set the canvas to full-screen Width and it is easy to get the coordinates of the mouse constmouse={x:undefined,y:u

2023-09-12 12:20:33

html5 - canvas sometimes cannot get toDataURL data

Questions: 1. I don’t know why, canvas sometimes cannot get the drawing data, but only gets “data:;”. Please tell me where I wrote this wrong. 2. I write canvas like this. Is there anything that needs to be optimized? Related code: {code...} {code...}

2017-06-06 09:53:01

Why does every time I save my Vite React project, a new canvas element is added to the page body instead of replacing the existing canvas element?

I'm trying to start learning ThreeJs (I'm also new to Javascript web development). After watching some tutorials, I started with Vite and React, then started with a basic rotating cube. This part works. But from what I've read about vite, saving the file I'm working on should be enough to reload it onto the page. But in fact, it's not. I checked the page content and every time I save the file, 2x the same canvas element is appended to the page body (instead of replacing the existing one), which means I have to scroll down to the bottom of the page to see

2024-03-30 09:57:49

javascript - canvas design mouse drawing function draws multiple parallel colored lines in one stroke

1. The mouse drawing function of canvas design can draw multiple parallel colored lines in one stroke. 2. Tried adding drawing oCg.beginPath(); to the mouse event, but the event will be overwritten. 3. Add a duplicate canvas in the same way, but the canvas is covered.

2017-06-13 09:24:08

MoreQ&A

Who has used html5 canvas to draw a five-pointed star_html/css_WEB-ITnose

Course Introduction：Who has used html5 canvas to draw a five-pointed star?

2016-06-24 comment 0 1034

How to draw text graphics in HTML5 canvas

Course Introduction：In HTML5, you first need to use the <canvas> tag to create a canvas, and then use the JavaScript font attribute, fillText() or strokeText() method to draw text graphics in the canvas.

2018-12-21 comment 0 4164

Detailed explanation of the sample code for drawing a rectangle in HTML5 canvas basic drawing

Course Introduction：<canvas></canvas> is a new tag in HTML5, used for drawing graphics. This article mainly introduces the basic drawing method of HTML5 canvas to draw rectangles in detail. Interested friends can refer to it.

2017-03-14 comment 0 2251

How to draw a circle in HTML5 canvas? (code example)

Course Introduction：Canvas can be used to draw various graphics, so how to use HTML5 canvas to draw a circle? This article will introduce to you the method of drawing circles on HTML5 canvas. Let’s take a look at the specific content.

2018-12-04 comment 0 8802

Complete example of arc swing effect drawn by JavaScript+html5 canvas_javascript skills

Course Introduction：This article mainly introduces the arc swing effect drawn by JavaScript+html5 canvas, and analyzes the related techniques of drawing graphics with JavaScript set html5 canvas in the form of a complete example. Friends in need can refer to the following

2016-05-16 comment 0 1835

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