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In Android, the data we use may be one-time or multiple values This paper introduces how to deal with these two situations with MVVM mode of coroutines in Android. It focuses on the application of coroutine Flow in Android One-shot vs multiple values The data used in practical application may be one shot, multiple values, or stream For example, ...

CentOS7 modifying the network card name eth0 The centos7 virtual machine I installed in VMWare workstation has two network cards. The default network card names are eno16777736 and eno33554984 [root@controller ~]# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1     link/loopback 00:00:00:00:00:00 brd 00: ...

This excerpt is from Rax's official website rax.js.org introduce Javascript is a single-threaded programming language. A single-threaded feature is that it can only handle one thing at a time, and the time-consuming execution of the current code task can block subsequent code execution.Asynchronous programming is an event-driven program ...

This post is a case post. For an overview of the principles and related overviews of LVS Load Balancing Clusters, please refer to the post: LVS Load Balancing Cluster for Centos 7 1. Introduction to Cases 1. Case Environment 2. Experimental results Using NAT-mode clustering technology, the LVS load dispatcher is a gateway server where all ...

Using the pre trained deep learning face detector model provided by OpenCV, face recognition can be carried out quickly and accurately. In August 2017, OpenCV 3.3 was officially released, bringing a highly improved "DNN deep neural networks" module. The module supports many deep learning frameworks, including Caffe, TensorFlow and Tor ...

I. working principle of DR mode          As shown in the figure, the working principle of LVS-DR has been explained in the figure. Let's list the characteristics of LVS-DR mode: 1. RIP can use private address or public network address. If public network address is used, RIP can be accessed directly. 2. All requested packets must pass through ...

title: realize the connection between Golang and Erlang (Port) categories: Golang In Erlang, there are many ways to interact with other languages. The common ways are Interaction using TCP protocol Using Port Using ERL? Interface to realize CNode NIF The latter several kinds of difficulties are all there, but also use a more complex C/C + +, ...

1 demand Cousin needs to sign up for the exam for his son. The system requires uploading no more than 30KB of pictures. Now the mobile phone is just a few MB of pictures. How to get a picture of only 30KB? A simple way is to reduce the size of the picture on the computer, and then screen capture small pictures, but now the computer screen resol ...

tcp socket communication optimization and troubleshooting under Linux @Date 2018.12.09 I. optimization 1. TPC receiving window Problem: when the receiving window queue of TCP is blocked - > the sender continues to send - > the receiver loses - > the sender retransmits - > the network becomes bad Solution: the receiver tells the sen ...

Blog Homepage 1. MVC architecture design and classic three-tier model MVC: model view controller, classic mode, easy to manage. Model: business layer and model layer, entity model and business related code View: view layer, which corresponds to layout layout file in android Controller: control layer, UI operation in android, corresponding to A ...