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Java EE directory: https://blog.csdn.net/dkbnull/article/details/87932809Spring Cloud column: https://blog.csdn.net/dkbnull/column/info/36820 In the last article Spring Cloud Custom Eureka Ribbon Load Balancing Strategy In this paper, we use Ribbon's custom strategy to achieve load balancing. Next, we introduce Feign, another se ...

Today, we use ssh framework to implement file upload and download functions similar to cloud disk. There are many pits in it. Now get up and tidy up your experience. The whole process is that the page can click to upload the file, the server receives the uploaded file and saves it locally, and then saves the file path to the dat ...

Java reads Excel directly through POI and calculates it 1. Software download and environment construction First is the installation of JDK, I installed version 1.8 of JDK, download directly from the official website, and then configure the environment, which is not detailed here. Download eclipse from the official website a ...

order This paper mainly studies the ParameterValues Provider of flink jdbc ParameterValuesProvider flink-jdbc_2.11-1.8.0-sources.jar!/org/apache/flink/api/java/io/jdbc/split/ParameterValuesProvider.java /** * This interface is used by the {@link JDBCInputFormat} to compute the list of parallel query to run (i.e. splits). * Each query will be ...

                What is REST? REST (REpresentation State Transfer) describes an architecture-style network system, such as a web application. It first appeared in Roy Fielding's doctoral dissertation in 2000, and he is one of the leading authors of the HTTP specification. REST refers to a set of architectural constraints and pri ...

Demand: The zoo includes members: cats, ducks, Added new members: dolphins Attributes: name, leg Method: call Output the number of legs of various animals Implementing the function of modifying data To meet this need, we must first understand that all of these animals have God's attributes and methods, such as names and ...

PHP-based applications face a variety of attacks: XSS: Cross-site scripting is a vulnerable point for PHP Web applications. Attackers can use it to steal user information. You can configure Apache or write more secure PHP code (verifying all user input) to prevent XSS attacks. SQL injection: This is the vulnerability of the database la ...

First step Open the httpd.conf file in MAC/Applications/XAMPP/xamppfiles/etc. Then search for httpd-vhosts.conf to remove the # comment symbol in front The second step Open the httpd-vhosts.conf file in MAC/Applications/XAMPP/xampp files/etc/extra.After opening the file httpd-vhost.conf to configure the virtual host, you can configure the virt ...

Introducer ichartjs It is a graphics library based on HTML5. Using pure javascript language, using HTML5 canvas tag to draw various graphics. Ichartjs is dedicated to providing simple, intuitive and interactive experience-level chart components for your applications. It is a solution for WEB/APP chart presentation. If you are developing HTML5 a ...

Refer to another article on how to top an analyzer plug-in: http://blog.csdn.net/u012332735/article/details/62422279 To understand the principles of analyzers, we need to understand how analysis works. Analysis is such a process: First, mark a block of text as a term suitable for inverted indexing. Then standardize these words as standard ...