ijkplayer-Frame Dropping Strategy Deep Analysis

1. The test takes a video and finds that playing with ijk player does not feel the same as with system player. Playing with ijk player feels like playing Page Carton is a bit smoother than with system player. Let's take a look at this problem. The reason for this problem is really simple. Because I set the frame loss value to ...

Posted by sword on Fri, 17 May 2019 09:08:16 -0700

Five Usages and Logical Processes of Developing Advanced-Django Framework Middleware in Python 3

Reading catalogue What is Middleware Execution flow of Middleware Logical Process of Middleware 1. What is middleware? Officially, middleware is a framework-level hook for handling Django requests and responses. It is a lightweight, low-level plug-in system for changing Django input and output globally. Each middleware component i ...

Posted by ubaldc36 on Fri, 17 May 2019 05:33:07 -0700

ThreadPool Executor Source Analysis Learning for Java Concurrent Thread Pool

Thread pool learning All the following contents and source code analysis are based on JDK 1.8, please know. My blog is really out of order, which may be related to my learning style. I think it's not good for me, but I can't convince myself to change, so I can only think about what to learn. Pooling technology is really a very powerful techno ...

Posted by lovelf on Fri, 17 May 2019 05:22:00 -0700

python process, process pool code section

The first way to create a process is: from multiprocessing import Process def f(name): print(name,"In subprocess") if __name__ == "__main__": p = Process(target=f,args=("aaa",)) p.start() print("Execute main process content") # Print as follows Execute main process content aaa In subprocess From the print result ...

Posted by aznkidzx on Fri, 17 May 2019 02:08:50 -0700

Front-end Common Problem: Android Text Can't Center Vertically

The Problem that Android Text Can't Center Vertically problem Android webview font size less than 12 pixels can not use line height to center vertically ps: At present, this problem exists in applications such as Wechat, but it does not exist in the latest mobile Chrome browser (as of the writing time of this article, the chrome version of Wech ...

Posted by EriRyoutan on Fri, 17 May 2019 00:46:50 -0700

Haproxy Defense DDOS Configuration

Configuring Haproxy to Prevent DDOS Attacks As a load balancer, Happroxy often serves as the front-end of the server, providing service entrance to external users. If security-related issues can be handled at the entrance, it will greatly simplify the design of the back-end. In fact, Haproxy is not only an excellent open source load balancer ( ...

Posted by spoons84 on Fri, 17 May 2019 00:41:04 -0700

Design pattern command pattern (behavioral)

Article directory I. Pattern Definition II. Model roles 3. Model Analysis Typical examples V. Applicable Scenarios I. Pattern Definition Command pattern: encapsulating a request as an object separates the responsibility of issuing a request from the responsibility of executing a request. The two communicate with each oth ...

Posted by jrmckee on Thu, 16 May 2019 16:46:40 -0700

Some Solutions to Codeforces Round #1 (Div. 2)

This game is a good ghost and beast. A question has broken down wa four times. The mentality has exploded directly. I wanted to give up treatment, but I found that BCD is a silly question. A. If at first you don't succeed... (Principle of inclusion and exclusion) Main idea of the title: Some $N individuals took the exam. Among those who pas ...

Posted by emcb_php on Thu, 16 May 2019 10:51:10 -0700

Linux Audio Driver III: Call Flow of pcm Interface

This paper is a learning note based on Linux version number of mini2440 development board linux-2.6.32.2 I. open of pcm equipment According to the article "One of Linux Audio Drivers: Audio Driver Registration Process", pcm device calls the snd_pcm_dev_register function registration. snd_pcm_dev_register err = snd_re ...

Posted by MilesWilson on Thu, 16 May 2019 09:13:40 -0700

Redis Source Learning Brief (7) object Principle and Personal Understanding

Redis Source Learning Brief (7) object Principle and Personal Understanding Object is an encapsulation system in redis.It encapsulates string, list, set, zset and hash as a unified object named robj.This data structure stores data of type, encoding, number of references, data an ...

Posted by djcee on Thu, 16 May 2019 09:00:24 -0700