Home stay management system based on javaweb+mysql (java+SSM+JSP+bootstrap+jQuery+mysql)

Front and back end of ssm home stay management system web page Project introduction Tourist functions: user registration, login, login permission interception, search rooms by name, payment process, view order information and status, comment on reserved rooms, automatically modify order status, view and count the number of remaining rooms. When ...

Posted by TronB24 on Wed, 25 May 2022 23:43:22 +0300

Go language | Are you still getting the file size like this?

In a project, we may need to get the size of a file. In Golang (Go language), there are many ways to get the size of a file to see if you are still using the slowest way. Read byte method The first one is the most intuitive to think of, which is to open the file and read the file again. func main() { file,err:=os.Open("water") if err = ...

Posted by imagenesis on Wed, 25 May 2022 23:51:37 +0300

MyBatisPlus configuration log, use of CRUD

Configuration log All our sql is invisible in mybatisplus, so we need to configure logs during development. After the development is completed, we can cancel the logs, because logs also consume resources #Configuration log mybatis-plus: configuration: log-impl: org.apache.ibatis.logging.stdout.StdOutImpl #Console output only logs Afte ...

Posted by Bike Racer on Thu, 26 May 2022 01:56:14 +0300

LearnOpenGL Study Notes - Lighting 02: Lighting Basis

0 Preface The notes in this section correspond to the learning content on the official website: base lighting exist Light 01 We first learned about the concept of color and tried to make ambient light In this section, we will learn some simple lighting models. The original tutorial was introduced with the Phong lighting model, we introduced i ...

Posted by neuro4848 on Thu, 26 May 2022 00:20:59 +0300

Design Patterns Singleton Pattern and Factory Pattern

1. Singleton mode Eight ways of singleton mode: hungry (static constant), hungry (static code block), lazy (thread unsafe), lazy (thread safe, synchronized method), lazy (thread unsafe, synchronized code blocks), double checking, static inner classes, enums 1): Hungry Chinese style (static constant) ​ The constructor is privatized, the object i ...

Posted by Baseball on Thu, 26 May 2022 00:14:01 +0300

[SSM framework] Spring notes - AOP details; Use of four notifications in AspectJ

1. Aspect oriented programming AOP AOP (aspect oriented programming), aspect oriented programming. Facet: the common, general and repeated functions are called facets. Facet oriented programming is to extract the facets, develop them separately, and weave them into the methods to be called through dynamic agents.   2. "Evolution" of ...

Posted by nlhowell on Thu, 26 May 2022 00:40:17 +0300