Multimedia Playing Music

Boredom in idleness, I have learned some preliminary knowledge about multimedia recently. Audio playback is mainly designed to MediaPlayer class. The path of playing audio can come from three places. 1. Audio in Application public class MediaPlayActivity extends AppCompatActivity { private SeekBar seekBar; private MediaPlayer me ...

Posted on Tue, 26 Mar 2019 03:12:28 -0700 by aalmos

Simple Neural Network Model, Functional Form

Let's take a neural network as an example to explain how TensorFlow works. In this example, we construct a The original data satisfying the quadratic function y = ax2+b of one variable is constructed, and then a simplest neural network is constructed, which contains only one input layer, one hidden layer and one output layer. Th ...

Posted on Mon, 25 Mar 2019 23:33:28 -0700 by ladokha

Summary of Blog Notes 2

31. UIImage UIImage image = [UIImage imageNamed:@"ha.jpg"];   [Special attention] imageNamed: With a cache, images created through imageNamed are put into the cache. UIImage image = [UIImage imageWithContentsOfFile:path];   [Special attention] Image With Contents OfFile: No caching, so when the number of images is large, use this me ...

Posted on Mon, 25 Mar 2019 21:09:32 -0700 by RHolm

Building RPC Distributed System from Zero in Linux Programming

As soon as I graduated from the company, I came into contact with RPC, mainly using the RPC framework and encapsulated RPC functions built by my predecessors for business development. Although the RPC framework has been used for nearly half a year, I have always wanted to know how to build such a useful distributed communication system framewor ...

Posted on Mon, 25 Mar 2019 12:57:28 -0700 by lucie

Use and Encapsulation of Objective-C AVPlayer Play Video

General effect You don't mind? The interface is a bit ugly... Interface construction Look at the member variables to see how I built it. Here I use the size of the video playback layer as a reference, scaling the size of all controls in proportion to the size width of their videos. @interface VideoPlayerView() @property (nonatomic,co ...

Posted on Mon, 25 Mar 2019 12:30:30 -0700 by space1

Android MediaPlayer's Brief Introduction to Playing Music

Android implements a simple music player Development tools: Andorid Studio 1.3 Running environment: Android 4.4 KitKat Engineering content Implementing a simple music player requires the following functions: Play, pause function; Progress Bar Displays Play Progress Function Drag progress bar to change progress function. Backstage ...

Posted on Mon, 25 Mar 2019 03:57:27 -0700 by mattsoftnet

CentOS 7.2 system silently installs Oracle 11g2

1 Install centos7 System Environment (2 Core 2G40G Disk) Minimize installation by using CentOS 7.2 system, i.e. CentOS-7-x86_64-DVD-1511.iso image. After installation, adjust network settings IP, close firewall and selinux  vi /etc/sysconfig/network-scripts/ifcfg-eno16777736 ##Configuration network ##Restart network   systemctl restart networ ...

Posted on Mon, 25 Mar 2019 01:15:28 -0700 by patricklcam

C#.NET, JavaScript and JSON

Written in front All hands, no extra words, all dry goods, basically I used to record. I. What is JSON JSON: JavaScript Object Notation is a lightweight data interaction format mainly used for data transmission. JSON grammar rules 1. Data is represented by the key-value pair (mapping) relationship and expressed by ":"; Example: " ...

Posted on Sun, 24 Mar 2019 11:03:28 -0700 by bubblegum.anarchy

Use of Picasso Picture Loading Framework and Scale-up of Picasso Picture Loading Network Pictures

In normal development, we often need to get pictures from the network to save or display locally. When we first learned Android, we first came into contact with this technology from the request network, and then saved the pictures in the form of streams to Bitmap objects for display. However, the above process is too cumbersome, but also t ...

Posted on Sat, 23 Mar 2019 16:39:52 -0700 by cnnabc

Docker: docker runs nginx instance

I. purpose By running nginx, you can fully understand the principle of running mirrors and the bridging relationship between virtual network ports and server ports within mirrors 2. docker Running nginx Mirror Example 1. Introduction to nginx ngnix is a persistent container. This paper implements running the image in the b ...

Posted on Sat, 23 Mar 2019 14:33:52 -0700 by lli2k5