Implementation principle of APNG playback on Web side

Source of drawings: https://commons.wikimedia.orgAuthor: Yang Caifang Write in front In the live broadcast development of cloud music, we often encounter the demand of animation playback. The application scenarios of each demand are different, and the smaller animation mostly adopts APNG format. If the animation is only displayed separately, y ...

Posted by Mathy on Tue, 24 May 2022 14:15:43 +0300

Detailed explanation of native JavaScript events!!!

JQuery, a Write Less Do More framework, will inevitably look up to native js when used too much. Xiaocai actually doesn't want to write this blog. It seems very elementary, but seeing that the binding and lifting of native js events on the network can't be understood, he decided to popularize science. First of all, I don't know much about sma ...

Posted by netmastan on Mon, 23 May 2022 07:34:38 +0300

An article takes you to design a color picker using jquery mobile

[1. Project Background] In real life, we often encounter color matching problems, at this time go to Baidu RGB table. The RGB table, on the other hand, only provides RGB values relative to the color, and no modules can be validated. We can use jquery mobile to design the color picker and get the color values we want. You can also validate the c ...

Posted by LiLaaron on Sun, 22 May 2022 23:06:18 +0300

Java Web -- servlet (learning notes)

catalogue 1. What is a servlet? 2. Working mode of Servlet 3. What are the main types of servlets 4. Create a Servlet class and configure it to the server 4.1 create a Servlet class and inherit HttpServlet (created manually) 4.2 configuring servlet s in Tomcat (must be configured in web.xml) 4.3 automatic creation and configuration &n ...

Posted by vcarter on Fri, 20 May 2022 01:41:15 +0300

Arthas realizes a CPU troubleshooting and code hot update

Author he Bo [the official community of Arthas is holding an essay solicitation activity. You will get a prize if you participate~ Click Submit] 1. Preface background Online code often takes up too much CPU. According to past experience, I will use the top instruction and further use jstack to check the specific information for problem troubles ...

Posted by tech0925 on Thu, 19 May 2022 22:04:54 +0300

What is a Web Server What is WSGI and specific implementation examples

Take Flask as an example: Source code analysis (1): WSGI From: https://www.csdn.net/tags/MtTaEgzsNTYyNzcyLWJsb2cO0O0O.html 2022-03-26 18:35:03 To understand the source code of Flask, you must have a certain Python foundation and be familiar with the concepts and usage of decorator s, magic method s, iterator s, and generator s. Another po ...

Posted by reaper7861 on Mon, 16 May 2022 13:42:56 +0300

Filter filtering and Listener listening

Use of Filter To match the specified resource. For example "/ index.jsp" Match with directory. For example "/ servlet / *" Match with suffix, for example "*. jsp" Wildcard to intercept all web resources. "/*" 1. What is a filter? Filter is one of the three major components of javalistener and fil ...

Posted by tulleh on Sun, 15 May 2022 00:04:43 +0300

From catf1ag two-hour AK match PWN/ATTACK killing summary to common command guide of emergency response

Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it preface Recently, I read more than half of the books on the practical guide to network security emergency response technology (Qianxin). I just encountered the PWN problem of killing on th ...

Posted by dewen on Fri, 13 May 2022 02:30:13 +0300

Microservices have everything from code to k8s deployment (XIII. Service monitoring)

We will use a series to explain the complete practice of microservices from requirements to online, from code to k8s deployment, from logging to monitoring.The whole project uses the micro services developed by go zero, which basically includes go zero and some middleware developed by relevant go zero authors. The technology stack used is basic ...

Posted by tcr480 on Sat, 07 May 2022 06:12:12 +0300

Squid proxy server traditional proxy transparent proxy configuration access control

Squid proxy server Structure: Working mechanism Agent overview Experimental description ####Centos03 delete the source from the web system [root@centos03 ~]# rm -rf /etc/yum.repos.d/CentOS-* mount [root@centos03 ~]# mount /dev/cdrom /mnt/ Install http [root@centos03 ~]# yum -y install httpd Start service [root@centos03 ~]# sys ...

Posted by XZer0cool on Sat, 07 May 2022 00:58:13 +0300