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formation When you create other functions inside a function, you create closures, which are functions that can read variables inside a function. The scope chain of closures: The scope of one's own Scope of External Functions global scope Normally, the scope and variables of a function will be destroyed after execution, b ...

1 Write before you start Some time ago, I shared a stream of H264 encapsulated ps to related articles. This time, I share with you the stream of H264 encapsulated as TS to related implementations. In fact, it is also a work need. As in the previous section, the encapsulation of each data header is explained in sections. Of course, rtp head ...

rest parameters and extension operators are new features of ES6.The rest parameter takes the form of:... Variable name; the extension operator is three points (...). rest parameter The rest parameter is used to get the redundant parameters of the function so that the arguments object is not needed. The rest parameter collocation variable is an ...

1. Preface Last time, let's talk about the ViewRootImpl.performTraversals() method, which starts here and goes into the real View drawing process.First time classmates go next door first My grandmother can understand the UI drawing process (above)! Learn the preparatory knowledge, the rest of the students fasten their seatbelts and drive! 2.Mea ...

ABSTRACT: MVC model was born as early as the 1970s, and it still exists today. It can be seen that its vitality is quite strong. MVC pattern was first used in Smalltalk language, and finally it has been well applied in many other development languages, such as Struts, Spring MVC and other frameworks in Java. 1. Understanding MVC MVC is a ...

Preface Searching for friends in this article, it is so coincident that we are mostly a school. Why?Because the title is Anemone Pool. subject [Problem Description] FJ built a beautiful pond for the cows to exercise.The rectangular pool is divided into M rows and N columns (square grid).Some lattices have lotus flowers, some rocks, an ...

Page Layout Solution Centralized layout horizontally The child element is in the middle relative to the parent element and the width of the child element is variable. In addition to other declarations, the HTML structure is as follows: <div class="parent"> <div class="child">Demo</div> </div> inline-block + text-alig ...

This article is from the Aliyun-Yunqi community, click on the original article Here. tabsMode mainly summarizes two ways to implement tabs switching: JavaScript / jQuery, and finally implements a component development of jQuery. overall design The entire tab design can be designed as a large box (div) with two small boxes (div) n ...

Summary of Network Flow Algorithms Maximum flow algorithm The main requirement of this algorithm is that in a directed graph, there is a maximum flow on each edge, and the maximum flow from the source point to the sink point is obtained. Generally, there are several algorithms to solve this kind of problem. EK algorithm of augmented pat ...

I. Introduction The application of vector data has been done in the past, but some image processing has been done with AE during the internship of TIE 3 College. The main purpose is to obtain the elevation of the image for relevant analysis. Image service is to publish raster data and image data as services. At this time, the client can acce ...