One figure explains the installation instructions of FastDFS highly available distributed cluster with the least machines

  I'm very lucky to participate in the public cloud construction and incubation project of the retail cloud FMCG platform. The retail cloud fast consumer platform originates from the private project of 3C platform of retail cloud appliances, which is strongly coupled with the company's business. In order to apply to the full scene and full ...

Posted on Mon, 18 Nov 2019 12:14:52 -0500 by kaizix

5. Spring cloud integrates mybatis annotation method

Public address: java paradise 1. In the previous article, we learned about service provider, but we didn't just learn about service provider. In the middle, Hikari data source and spring cloud are used to integrate mybatis. However, when using mybatis in the previous article, the old method is still used, and the corresponding xml file of mapp ...

Posted on Mon, 18 Nov 2019 11:05:36 -0500 by allistera

UDP programming of Java Socket programming

For more information: https://www.yuque.com/shizhiy... UDP programming of Java Socket programming UDP (User Datagram Protocol) is connectionless, unreliable, unordered and fastIn data transmission, first define the data to be transmitted as Datagram, and limit the size to 64k. In the Datagram, indicate the Socket (host address and port number) ...

Posted on Mon, 18 Nov 2019 10:03:01 -0500 by sandrob57

Understanding and solving Java Concurrent modification exception

I don't know if the reader has encountered the similar exception information Exception in thread "main" java.util.ConcurrentModificationException in the process of Java development. The following is a brief introduction to the cause of the exception and the improvement method of the exception. The content is very simple. If there is a ...

Posted on Mon, 18 Nov 2019 09:42:26 -0500 by dgiberson

Python selenium element positioning

I. html The following HTML file is the form.html to be used later. The page is roughly as follows: <!DOCTYPE html> <html> <head> <title>Search element</title> <meta charset="utf-8"> </head> <body> <div id="container"> <form> user:<input type="text" n ...

Posted on Mon, 18 Nov 2019 09:40:49 -0500 by Zack

Workplace charging Java basic syntax

** data type **Basic data type Java basic data types are divided into four categories: character type (char), integer type (byte, short, int, long), floating point type (float, double), and boolean type. Range of values public static void getBaseDataTypeRange(){ System.out.println("byte Value range:[" + Byte.MIN_VALUE ...

Posted on Mon, 18 Nov 2019 09:40:15 -0500 by gapern

[springboot development monomer web shop] 6. Commodity classification and round robin advertising display

Commodity classification & Round advertising Recently, I was trapped in the POC of OSGI technology. The update progress is a little slow. I hope you don't blame me. Upper segment We have implemented the front-end display after login, such as: Next, we will realize the function of the left classified column. Product category From the abov ...

Posted on Mon, 18 Nov 2019 06:52:00 -0500 by jawaking00

drools rules language guide type and metadata definition in DRL

Type and metadata definition in DRL structure Type declaration structure: Metadata structure: Two uses New a new fact Use metadata @ key(value) to associate new or existing fact s Type declaration without metadata: The definition of a new fact may not need metadata, but it must contain properties or fields.Here is a new face type Person d ...

Posted on Mon, 18 Nov 2019 06:03:18 -0500 by peter_anderson

OkHttp3 source detailed explanation interceptor

First, construct a simple asynchronous network access Demo: 1. OkHttpClient client = new OkHttpClient(); 2. Request request = new Request.Builder() 3. .url("http://publicobject.com/helloworld.txt") 4. .build(); 6. client.newCall(request).enqueue(new Callback() { 7. @Override 8. public void onFailure(Call call, IOException e) { ...

Posted on Mon, 18 Nov 2019 04:57:46 -0500 by eldee

Using the Jacobo Maven plug-in to create code coverage reports

This blog post describes how we use the Jacobo Maven plug-in to create code coverage reports for unit and integration tests. Our construction requirements are as follows: When running tests, our build must create code coverage reports for unit and integration tests. Code coverage reports must be created in a separate directory. In other words, ...

Posted on Mon, 18 Nov 2019 02:51:19 -0500 by jannoy