Talk about network healthcheck of artemis

order This paper focuses on the network health check of artemis NetworkHealthCheck activemq-artemis-2.11.0/artemis-commons/src/main/java/org/apache/activemq/artemis/core/server/NetworkHealthCheck.java public class NetworkHealthCheck extends ActiveMQScheduledComponent { private static final Logger logger = Logger.getLogger(NetworkHealthCheck ...

Posted by jasonc310771 on Tue, 04 Feb 2020 06:34:14 -0800

TypeError: type str doesn't define __round__ method

I was bluffed at first, but later I found it was a basic problem, The final results are as follows:   #!/usr/bin/env python3 # -*- coding:utf-8 -*- import subprocess def collect(): filter_keys = ['Manufacturer', 'Serial Number', 'Product Name', 'UUID', 'Wake-up Type'] raw_data = {} ...

Posted by Base on Tue, 04 Feb 2020 06:27:39 -0800

Print < div id = "printarea" >?

How do I print the indicated div (without manually disabling all other content on the page)? I want to avoid using the new preview dialog, so it's useless to create a new window with this content. The page contains several tables, one of which contains the div s I want to print - the table has a visual style for the network and should no ...

Posted by delxy on Mon, 03 Feb 2020 07:21:09 -0800

Get through the network source code series seven worker group registration NioSocketChannel

Get through the network source code series seven worker group registration NioSocketChannel worker group registration NioSocketChannel Read message doReadBytes writeBytes setBytes internalNioBuffer _internalNioBuffer allocHandle.lastBytesRead(doReadBytes(byteBuf)) pipeline.fireChannelRead(byte ...

Posted by daredevil14 on Mon, 03 Feb 2020 06:30:44 -0800

Density level classification network of population density estimation based on MSCNN

Density classification network Population density estimation based on MSCNN: Overview and generation of population density map Data set making and data generator Density classification network Training and prediction of MSCNN Classification target The purpose of density classification network is ...

Posted by dslax27 on Mon, 03 Feb 2020 06:11:45 -0800

JavaScript only needs 200 lines of code to develop blockchain

Implement a simple blockchain with JavaScript development. Through this development process, you will understand what blockchain technology is: blockchain is a distributed database, and the storage structure is a growing linked list, which contains many orderly records. However, in general, when we talk about blockchain, we also talk about ...

Posted by kylebragger on Mon, 03 Feb 2020 05:14:03 -0800

Java only needs 150 lines of code to develop blockchain

The purpose of this paper is to understand what blockchain is through Java practical development tutorial. We will develop a very basic blockchain by self-study in Java through practical learning, and on this basis, we can expand such as web framework applications. This basic Java blockchain also implements a simple workload proving system. ...

Posted by Ixplodestuff8 on Mon, 03 Feb 2020 04:52:35 -0800

python multithreading programming: analysis of python multithreading synchronization instance

Process to process communication and thread synchronization is an ever-changing topic. You should know a little about programming, but you can't say it in detail. On the one hand, in addition to the less possible use in the work, on the other hand, these concepts involve more and deeper things. Network ...

Posted by doremi on Sun, 02 Feb 2020 22:54:11 -0800

Simulate weak network environment using command line under Mac

For audio and video development, we often need to simulate the weak network environment and observe the performance of APP under the weak network, such as packet loss, delay, jitter, bandwidth restriction, etc. Mac system has a weak network tool APP, called Network Link Conditioner, which supports the visualization of the simulation and config ...

Posted by bugsuperstar37 on Sun, 02 Feb 2020 10:19:02 -0800

1. Simple Topology

1. Simple Topology Preparatory Knowledge Points Router principles: As the third layer device, the basic function of a router is to select routes according to the network layer address.After it judges the packets it receives based on the destination address, it sends them from the interface that can re ...

Posted by Chrysanthus on Sat, 01 Feb 2020 18:44:33 -0800