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preface Learn the classic vulnerabilities of Apache Dubbo series CVE-2019-17564 0x01 version affected Dubbo 2.7.0 to 2.7.4 Dubbo 2.6.0 to 2.6.7 Dubbo all 2.5.x versions 0x02 environmental preparation https://github.com/apache/dubbo-samples/tree/master/dubbo-samples-http Download the source code, switch the Dubbo version in pom, and fi ...

1, Background When the server provides interface services to the outside, whether it is providing HTTP interfaces to the front end or RPC interfaces to other internal servers, it often faces such a problem, that is, how to gracefully solve the verification of various interface parameters? In the early days, when making the HTTP interface prov ...

Just last week, there was a hot search on the total GDP of all regions in China. I wanted to write a big data panel display for a while. Since I decided to write it, I should consider the use of charts and icons. Here I use the two frameworks I am most familiar with ECharts and element-ui 1, My idea steps 1. Determine the theme color First w ...

3.1 Http protocol development 3.1.1 basic knowledge HTTP (Hypertext Transfer Protocol) protocol is an application layer protocol based on TCP transmission protocol. Its development is the result of the cooperation between the World Wide Web association and the Internet working group IETF. HTTP is an object-oriented protocol belonging to t ...

Four serialization mechanism 4.1 basic knowledge Thrift supports serialization and deserialization of binary, compressed format, and json format data. Developers can choose the specific form of the protocol more flexibly. The protocol is freely extensible. The new version of the protocol is fully compatible with the old version!Previously ...

A baby suckling dog will have a name, breed and a bunch of lovely characteristics as its attributes. If you model it as a class and only use it to hold these attribute data, you should use the data class. When using data classes, the compiler will automatically generate toString(), equals() and hashCode() functions for you, and provide them o ...

Step 1: install the LAMP environment 1. First update the system software package to the latest version yum update 2.. After the package is updated, you can now install LAMP (Linux, Apache, MySQL and PHP) using all required PHP modules, as shown in the figure yum install httpd php php-common php-curl php-xml php-json php-mbstring php-zip php ...

catalogue Foreword 1.LAMP introduction and overview 2.Apache 2.1Apache origin 2.2 introduction to Apache 3.httpd  3.1 compiling and installing httpd server 3.2 compiling and installing httpd server 4. Install MYSQL 4.1 installing MYSQL 4.2sql_ The common values of mode are as follows: 4.3 setting environment variables  5. Inst ...

Web Services Web service is one of the most popular and popular services for Internet applications. It is a platform for information release, data query, data processing, network office and distance education. 1, Introduction to Web Services Web server, also known as WWW server, is mainly used to provide online information browsing serv ...

1. Preface: for the small project written after learning Android for a month in 2017, the document has only been completed recently. The project and document are original and released to remember a few years ago. Due to the projects written in 2017, the code and technology are backward, but it can provide some ideas for writing similar projects ...