Mobile (mobile) page adaptive solution - rem layout

Let's assume that the size of the design draft that my sister gave us is 750 * 1340. Combined with the dynamic font size attribute, design draft size and collaboration process between the front end and design on the html element of the home page of Netease and Taobao mobile terminal, they are generally divided into the following two types: 1. N ...

Posted by AlGale on Mon, 30 Dec 2019 23:47:58 -0800

Android Bluetooth 4.0 ble basic communication

This blog focuses on Android Bluetooth BLE basic communication. 1, Add permission <uses-permission android:name="android.permission.BLUETOOTH"/> <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/> However, after Android 6.0, you need to dynamically apply for location permission. <uses-permi ...

Posted by xeelee on Sat, 28 Dec 2019 07:53:28 -0800

Mobile page adaptive solution -- rem layout

If the UI gives us a design size of 750 * 1340. Combined with the dynamic font size attribute, design draft size and collaboration process between the front end and design on the html element of the home page of Netease and Taobao mobile terminal, they are generally divided into the following two types: 1. Netease practice: ...

Posted by RobOgden on Fri, 27 Dec 2019 09:04:11 -0800

Docker Series 4: Foundation of Docker Network Virtualization

1. Introduction of Network Virtualization Technology 1. What is a virtualized network A virtualized network is a network virtualized by the linux kernel. In fact, the linux kernel can emulate a variety of network devices Analog network devices: Analog network devices appear in pairs, one in containers and one in switches Analog switches: Cont ...

Posted by xeidor on Sun, 22 Dec 2019 14:34:23 -0800

javascript add element add element with DocumentFragment

Insert node When we want to insert a single node, we can use the insertBefore() and appendChild() methods. If we want to insert multiple content, we need to use DocumentFragment. It is a strategy to use the insertion method repeatedly, but in this way, the browser will render the DOM tree continuously, which will affect the us ...

Posted by rslnerd on Sat, 21 Dec 2019 12:08:54 -0800

Python - script program generates exe executable program (pyinstaller)

1, About pyinstaller Python is a scripting language that is interpreted and executed by an interpreter. How to publish it: . py file: for open source projects or sources that are not so important, providing source directly requires users to install Python and install various libraries they depend on. (this is what Python's official packages do ...

Posted by goatboy on Fri, 20 Dec 2019 07:35:55 -0800

Characteristics and usage of PM2

Main features of pm2 Built in load balancing (for the use of Node cluster cluster module and subprocesses, please refer to Chapter 9 of Park Ling's "getting to the bottom of node.js") Thread guard, keep alive 0 second shutdown and heavy load, no need to shut down for maintenance and upgrading Now Linux (stable) & Mac OS X ...

Posted by ratebuster on Fri, 13 Dec 2019 12:37:05 -0800

Avfunction learning notes -- audio and video editing

Avfunction learning notes - audio and video editing Reading and writing of media data AVAssetReader AVAssetReader is used to read media samples from an AVAsset instance. One or more instances of AVAssetReaderOutput are usually configured and access audio samples and video frames through the copyNextSampleBuffer method. It ...

Posted by fiorelina21 on Fri, 13 Dec 2019 09:49:32 -0800

Initial knowledge of python Network programming-01

Recently learning the basic knowledge of python, I find it interesting to go to the network programming section. Write a blog to record, first you can know the basic knowledge of computer network, just refer to relevant books, this article only makes a simple introduction! 1.OSI seven-layer protocol, TCP, UDP protocol First of all, the comput ...

Posted by jdbfitz on Tue, 10 Dec 2019 23:53:30 -0800

Use the python analysis fund to analyze the data properly to make money at the starting line!

Preface The text and pictures in this article are from the Internet. They are for study and communication only. They do not have any commercial use. The copyright is owned by the original author. If you have any questions, please contact us in time for processing. Author: White Jade without Ice PS: If you need Python learning materials for your ...

Posted by markspec87 on Mon, 09 Dec 2019 21:06:17 -0800