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Several main problems to be solved in image rendering 1. The picture is horizontal by default, and the picture center should be set. max-height:100%;max-width:100%;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)" 2. Need to rotate: the width of the picture is larger than the height, so the picture will be larger after rotat ...

The authorization of fast applications can be divided into different situations. Huawei and Meizu do not support wechat account authorization. Therefore, Huawei needs to use Huawei's account, Meizu's account, and open web pages and web pages to communicate with fast applications. The most ideal login is the mobile phone verification code. 1. Hu ...

I. Preface In many installation packages, in the installation process, we can often see a beautiful progress bar at the bottom, which is suspended to display the corresponding progress, and then the bottom progress is displayed in a variety of color gradients. The progress bar provided by Qt or the progress bar style of the operating system is ...

1. Capability test The goal of capability testing is not to identify a specific browser, but to identify the capability of the browser. When possible, try to use typeof for capability testing. To test whether a property of any object exists in the browser environment, use the following function: function isHostMethod(object,property) { var ...

I. Preface Adapter mode can be divided into two types. The so-called "adapter" is the appropriate or appropriate coordination. Think of the adapter of the power supply, the function of which is to convert the AC 220V into different DC voltage to charge the mobile phone, computer, table lamp, etc. without these adapters, our equipment ...

This article records Personal Blog websites Small blog The Next topic optimization process of is updated from time to time. 1. Add statistics function Turn on busuanzi statistics function in themes/next/_config.yml # Show Views / Visitors of the website / page with busuanzi. # Get more information on ...

ACL Access Control List Structure Diagram Objective of this chapter Learn TCP and UDP protocolsOverview of access control list, how access control list worksType of access control list.Configuration of standard access control class tableCreate ACLApply ACLy to interfaceConfiguration instance of standard ACL I. access control list (ACL) 2. ...

I. Introduction to pixi.js pixi.js is a very fast 2D sprite rendering engine. It can help us display, animate and manage interactive graphics. In this way, we can easily implement an application or complete a game using javascript and other HTML5 technologies. It has a semantic, concise API, and contains many useful functions. For example, it s ...

This is the fourth in a series of Java crawler blogs, in the last one Java crawler encounters data asynchronous loading, try these two methods! ) In this article, we have a brief talk about how to deal with the problem of asynchronous loading of data from the perspective of built-in browser kernel and reverse parsing. In this article, we will b ...

When making h5 display page, consider that many css styles will appear in the horizontal screen layout disorder, in order to prevent prompting users to display on the horizontal screen demo introduction When making h5 display page, consider that many css styles will appear in the horizontal screen layout disorder, in order to prevent prompting ...