Programming VIP

1, Background In writing RPC framework, dubbo's idea is used for reference, and dubbo's implementation is based on Spring Schema. So you need to know how to extend Spring Schema based on Spring. 2, Revenue You can better understand the schema syntax in Spring and write your own framework in the process of integrating Spring. 3, Principle 3 ...

Work sharing - (demand: save the pictures locally for three months) Demand profile Recently, I have encountered such a demand in my work: save the image data of a business locally for three months. In our work, such a similar demand is common, so I share my practice this time as a reference for you. Specific needs There is a table i ...

Elasticsearch Elastic search (es) is an open source, distributed, RESTful interface full-text search engine based on Lucene. Elasticsearch is also a distributed document database, in which each field is indexed and searchable. It can be extended to hundreds of servers to store and process PB level data. It can store, search and analyze a large ...

SpringBoot - Web exception handling Understand the exception handling mechanism of SpringBoot for Web development. 1. Exception handling mechanism 1.1 default exception handling By default, SpringBoot provides / error mapping to handle all exceptions, And register as a global error handling page in the Servlet container. For browser client ...

preface 1) Some people will ask, why not use FastDFS? As we all know, the native installation of FastDFS is very complex. People with installation experience generally understand that although you can use other people's docker s to install directly, there may be many inexplicable problems in the real use process; 2) Others will ask, why not u ...

In a development or production environment, we often develop a set of Automated Deployment schemes (commonly referred to as one-click deployment). One of the more popular is the Gitlab+Jenkins implementation, but it takes up a lot of memory, doesn't have a 8G memory, can't run smoothly, and can't be deployed quickly. Recently discovered a magic ...

elementary analysis: As we all know, in the front end of the front-end and back-end separation project, we use Jquery to realize ajax asynchronous request and data interaction with the back-end: that is, take the data from the front-end page and request it to the corresponding controller layer method, then the back-end processes the data reque ...

Email sending is actually a very common requirement, which can be used in user registration, password retrieval and other places. The steps of sending email using JavaSE code are still very cumbersome. Spring Boot provides relevant automatic configuration classes for email sending, which makes email sending very easy. In this article, we'll fin ...

3. Application development 3.1 file upload and download SpringBoot does not have its own file upload and download technology. It relies on the file upload and download technology of Spring MVC, but it is further simplified and more convenient in SpringBoot. 3.1.1 single file upload To upload a file, you must set the form method to POS ...

1. Install gcc environment yum install gcc-c++ 2. Install two libraries The first libevent Library yum -y install libevent The second libfastcommon Library libfastcommon download address: https://github.com/happyfish100/libfastcommon/archive/V1.0.43.tar.gz Copy the downloaded libfastcommon to the / usr/local / directory, and then execute ...