H265 packed into RTP

Original link: https://blog.csdn.net/hiwubihe/article/details/84704046 This article introduces how to pack RTP with H265. In H265, each prefix code 00000001 is followed by the first two bytes of the syntax elements with name. The overall structure is as follows These two byte fields are distributed as follows: F (Forbidden ...

Posted on Tue, 12 Nov 2019 11:50:14 -0500 by JJ123

Use Preference in Androidx - to record an official document error

Use Preference the Androidx way cause Possibly because of targetApi=29, AS reminded me that some of the methods in PreferenceActivity had been abandoned, and as a very radical amateur novice developer, my obsessive-compulsive disorder prompted me to find a solution Recent receipt of my small software AndroCode Some user feedback settings can n ...

Posted on Sat, 09 Nov 2019 20:22:46 -0500 by lozza1978

Zepto source code learning

Recently, I started to learn Zepto source code, share it and learn together. Front end newcomer, poor technology, forgive me a lotReference gitbook addressThank you for your contribution The css selector zepto.qsa of zepto As we all know, most of the time, we use $to get DOM objects, which has a lot to do with zepto.qsa. Get selector[0] If hand ...

Posted on Fri, 08 Nov 2019 09:05:09 -0500 by dancer

XXE vulnerability triggered by XML referencing external entities

Record a question first   The input in the input box is displayed in the area above. Check the background source code, there is such a fragment function XHR() { var xhr; try {xhr = new XMLHttpRequest();} catch(e) { var IEXHRVers =["Msxml3.XMLHTTP","Msxml2.XMLHTTP","Microsoft.XMLHTTP"]; f ...

Posted on Mon, 04 Nov 2019 12:19:16 -0500 by jwadenpfuhl

Detailed explanation of DOM traversal module in jQuery source code analysis

jQuery's DOM traversal module encapsulates and extends the DOM model's native attributes parentNode, childNodes, firstChild, lastChild, previousSibling and nextSibling, which are used to traverse parent, child and sibling elements in the DOM tree. It can be accessed through an instance of jQuery as follows: parent(); get the parent of the ma ...

Posted on Sun, 03 Nov 2019 19:52:06 -0500 by deepson2

(23) playing chicken teaches you Vue.js

Example: image.png image.png Template grammar The introduction of Vue router, vuex and mode method Package deployment: image.png npm run build image.png image.png image.png At present, Webpack is more and more widely used in job hunting and work. To learn to understand, learning Webpack is not e ...

Posted on Fri, 01 Nov 2019 22:05:51 -0400 by Brusca

Oracle 11g system level trigger to track and monitor drop misoperation

Preface:The data of a table in db is always in disorder. Guess that it has experienced the data synchronization operation of drop and create, but now no one knows where to operate. So we are going to make a trigger to record the operation of which application server and db account. 3. System l ...

Posted on Thu, 31 Oct 2019 12:35:26 -0400 by sharp3d

Why is it mandatory in Alibaba Java development manual to compare integer wrapper class object values with equals method?

When reading the Alibaba Java development manual, I found that there is a specification for value comparison between integer packaging class objects. The specific content is as follows: This suggestion is worthy of attention, and this problem is very common in Java interview. The following questions need to be considered: If you don't read th ...

Posted on Tue, 29 Oct 2019 04:51:40 -0400 by PhillNeedsHelp

Don't look for any more. A thorough analysis of weak references in Java (refer to the official website)

overview This article will start with the definition of weak reference, and then analyze its principle step by step through the use of cases, so that readers can have a deep understanding of what is weak reference, how to use weak reference, what scenarios will use weak reference, what problems weak reference can solve, and how its source code ...

Posted on Tue, 29 Oct 2019 04:19:39 -0400 by activeserver

Android Jetpack architecture component: an article for you to understand Lifecycle (use article)

Preface This article introduces the Lifecycle of Android Jetpack architecture component, which is used to help developers manage the life cycle of Activity and Fragment. Since Lifecycle is the basis of LiveData and ViewModel, it needs to be learned first. 1. Why Lifecycle is needed In application development, the life cycle related code of Act ...

Posted on Mon, 28 Oct 2019 12:18:41 -0400 by anarchoi