Image Similarity Algorithms--Detailed Explanation of SIFT Algorithms

Links to the original text: https://blog.csdn.net/jiutianhe/article/details/39896931 <link href="https://csdnimg.cn/public/favicon.ico" rel="SHORTCUT ICON"> <title>Image similarity algorithm--SIFT Algorithm details - jiutianhe Co ...

Posted by JustLikeIcarus on Tue, 10 Sep 2019 05:59:04 -0700

Using proxy to implement a simple and complete MVVM Library

Preface This article was first published in Front-end Development Blog mvvm is a necessary mode of daily business development at the front end of the current era (such as react, vue, angular, etc.). Using mvvm, developers can concentrate more on business logic than on how to operate dom. Although it has been 9012 years now, the introduction of ...

Posted by phpnewbie81 on Tue, 10 Sep 2019 01:59:23 -0700

About some important api implementations in JS, consolidate your native JS skills

In the interview, often encounter some handwritten XXX and other interview questions, so a good summary is necessary to consolidate the foundation of our native js. Although there are a lot of summary articles on the Internet, there seems to me a common problem, that is, to complicate the principle too much. If you stand in the interviewer's pe ...

Posted by leetee on Mon, 09 Sep 2019 21:13:40 -0700

Revelation of DOM Chapter 1

Original Link: https://my.oschina.net/u/1792175/blog/598104 1.1 DOM is a tree structure When you write down the following structure in HTML, the browser will parse it into a DOM tree: ...

Posted by Trent Hatred on Mon, 09 Sep 2019 10:35:13 -0700

Universal XSS in Edge Browser

Among all kinds of XSS vulnerabilities, uXSS can be said to be a very special category, it is related to browser or browser plug-ins, and has nothing to do with specific websites. It's like you have a very interesting XSS (under a browser) on all websites. In this article, I will describe the uXSS foun ...

Posted by hasitha on Mon, 09 Sep 2019 04:09:33 -0700

jQuery Selector (Basic Edition)

For jQuery calls, we typically pass in parameters html: <div></div> js: console.log($('<a />')); console.log($('div')); 1. Preposition (DOM object and jQuery object) DOM objects, This should be the basic knowledge of the front end. In the document object model, each part is a node. jQuery object This refers to the ob ...

Posted by mdj on Mon, 09 Sep 2019 01:53:26 -0700

Can programmers not install x? Give the login a graphics authentication code first! (canvas implementation)

Careful students can find that many websites will appear a graphics authentication code after multiple logins, or when submitting forms, or clicking to obtain mobile phone authentication code and other scenarios will have graphics authentication code. So what problems does Graphic Verification Code come up to solve? What is Graphic Verificati ...

Posted by psyickphuk on Mon, 09 Sep 2019 00:20:20 -0700

How to realize Web page recording?

Summary: Very interesting operation. Original: Realization of web Page Recording Screen Translator: frontdog Fundebug Copyright shall be owned by the original author upon authorization to reproduce. Written in front After reading the comments, I suddenly realized that I didn't explain it in advance. This article can be said to be a research ...

Posted by julien on Sun, 08 Sep 2019 23:23:31 -0700

Introduction to canvas: Summary of Countdown Projects Made with canvas

Project demonstration This project is a video on the Mucho Internet. This article summarizes its own learning. lattice To draw numbers in canvas, you can use dot matrix. Below is the lattice layout of 5. 1 represents to draw and 0 represents not to draw. Here the number is 10*7 grid system, colon is 10*4 grid system. [ [1, 1, 1, 1, 1, 1, 1], ...

Posted by firedrop on Sun, 08 Sep 2019 08:15:05 -0700

JavaScript Data Types and How to Judge

First: How many data structures are there in ES6? What are the specific ones?Generally speaking, as of ES6, there are 8 kinds of data decomposition: 7 kinds of original data decomposition + 1 kind of complex data decomposition.Seven kinds of original data deconstruction: Boolean Null Undefined Number BigInt String Symbol One kind of complex da ...

Posted by xubi on Sun, 08 Sep 2019 03:16:29 -0700