nacos configuration center timeout issue: java.net.ConnectException: no available server, currentServerAddr
1. Questions
In a project architecture, use the SpringCloud microservice architecture, which configures Alibaba-Cloud to use SpringCloud components. The Service Discovery and Configuration Center uses Alibaba's open source component nacos, nacos-server is deployed in the centos7.0 environment under linux. Each service starts with a con ...
Posted by fatal on Fri, 17 Apr 2020 00:26:45 -0700
golang Gin framework with websocket
Summary
golang websocket Library
Example
back-end
Front end
conclusion
Summary
For the web development of golang, I have written two blog s before, which respectively introduced:
Under the Gin framework, various http API development methods (including file upload, download, etc.) golang Web solution
Use of reverse proxy in the Gin fram ...
Posted by EchoFool on Thu, 16 Apr 2020 09:05:42 -0700
[python implements convolution neural network] convolution layer Conv2D implementation (with stride, padding)
[python implements convolution neural network] convolution layer Conv2D implementation (with stride, padding)
Needless to say more about how convolution is done, consider how convolution layers are implemented step by step with your code.
Code Source: https://github.com/eriklindernoren/ML-From-Scratch
First, take a look at its basic component f ...
Posted by rupam_jaiswal on Wed, 15 Apr 2020 20:43:00 -0700
Talk about JVM class loading
ClassLoader: A class loader responsible for loading a Class into the JVM and resolving the Class byte code into an object format that is universally required by the JVM.The entire life cycle consists of seven phases: loading, validating, preparing, parsing, initializing, using, and unloading.
1. How to load the class file
1.1, Loading
G ...
Posted by willsavin on Tue, 14 Apr 2020 20:21:47 -0700
How to read large files in PHP
As PHP developers, we don't need to worry about memory management. The PHP engine has done a good job of cleaning up behind us. The web server model of short execution context means that even the most sloppy code has no lasting impact.
In rare cases, we may need to get out of the comfort zone - for example, when we try to run Composer for a l ...
Posted by jbrave on Tue, 14 Apr 2020 01:02:15 -0700
How to get X-packed tips for F12 with millions of fans in an instant
How to get X-packed tips for F12 with millions of fans in an instant
Hello, my name is Zhengguan Zheng (q gu n ji e), record the learning process in CSDN, time is running low, the future can be expected, refueling~blog address is: Official Blog,Official Blog 2.
This article will show you how to break through millions of fans in an in ...
Posted by pluto on Mon, 13 Apr 2020 20:55:36 -0700
How to elegantly apply for Android runtime permissions
To reproduce this article, you need to indicate the source: WeChat public number EAWorld, violators must be prosecuted.
Preface:
Android is a privilege-separated operating system where each application has its own unique system identity.By default, no application has permission to perform any action that adversely affects other appli ...
Posted by deRusett on Mon, 13 Apr 2020 19:55:13 -0700
Four Operational Generators for Primary School
Github project address: https://github.com/bravedreamer/test/tree/master/Arithmetic
Online preview: https://bravedreamer.github.io/test/Arithmetic/index.html
Project Partner: Wu Shangqian 3118004977 Wu Maoping 3118004976
1. Title Description
Implements a command line program that automatically generates four arithmetic titles for elementary s ...
Posted by VanPEP on Mon, 13 Apr 2020 10:55:17 -0700
A python instance of adding log processing module
The log module is essential in a complete project. When encountering system error in work, it is also the first time to check the error log on the server (ps. even if you can't understand it, you will copy the error part as a bug attachment)
Here is an example of using weather interface API to query weather. Let's talk about how to add log mod ...
Posted by carmasha on Mon, 13 Apr 2020 07:07:36 -0700
Key uses of Java serials 109-sychronized and their notes, custom annotations
1. synchronized keywords
1. Let's modify the withdraw method in the last series
//synchronized Keyword added to member method can synchronize memory variables
public synchronized void withdraw(double money) {
double after = this.balance - money;
try {
//Here we delayed deliberately and we can see that the balance ...
Posted by michaelphipps on Sun, 12 Apr 2020 09:57:05 -0700