Analysis of some methods of WebUtils tool class in spring

If spring is used in your project (of course, for larger projects), the operation of session is much more convenient. If you need to take a value in the session, you can use the getSessionAttribute(HttpServletRequestrequest, String name) method of WebUtils tool (org.springframework.web.util.WebUtils) (1)getSessionAttrib ...

Posted by mlewczuk on Wed, 01 Apr 2020 23:00:18 -0700

MIT6.0001 notes, LECTURE 5:Tuples, List (aliasing, mutability, cloning details)

This blog post mainly explains the advanced features of list s, including aliasing, mutability, and cloning.These three attributes require special attention when assigning values.This note and code comes from MIT's public session, Lesson 5. <Introduction to Computer Science and Programming in Python>. aliasing For simple data t ...

Posted by Shawn Jetton on Wed, 01 Apr 2020 19:08:10 -0700

Solution to get httpsession in spring webSocket

If you don't know the basic usage of spring webSocket, please refer to: webSocket implementation of code scanning login Handshake Interceptor: the implementation class of HttpSessionHandshakeInterceptor overrides the beforeHandshake method, as follows @Override public boolean beforeHandshake(ServerHttpRequest request, ServerHttpResponse res ...

Posted by ejaboneta on Wed, 01 Apr 2020 16:45:10 -0700

Oracle 11g single instance silent installation practice record (linux)

oracle 11g single instance silent installation AURHOR: Oracle_Ran Environmental Planning: OS Version : Red Hat Enterprise Linux Server release 6.7 (Santiago) Oracle Version: 11.2.0.4 Please refer to Oracle single instance installation document for operating system environment configuration   1. Upload the Oracle installation media, enter the ...

Posted by jonshutt on Wed, 01 Apr 2020 11:38:21 -0700

Integrating Spring Session with Redis

There are so many specific features of Spring Session. The specific content can be learned from the document. The author makes a summary. The features of Spring Session include but are not limited to the following: Use GemFire to build httpSession of C/S architecture (not concerned) Use the third-party warehouse to realize the cluster sessi ...

Posted by ron814 on Wed, 01 Apr 2020 06:13:29 -0700

Implementing Http server in Golang and parsing header parameters and form parameters

In HTTP service, header parameters and form parameters are often used. This article is mainly to practice how to parse the parameters and form parameters in the header of HTTP request in Go language. The specific code is as follows: package server import ( "net/http" "strconv" "fmt" ) func HttpStart(port int) { http.HandleFunc(" ...

Posted by KCAstroTech on Wed, 01 Apr 2020 05:54:39 -0700

Unit testing with JUnit in Intellij

These days, I'm groping for Intellij idea to record some small knowledge points. First contact with Intellij and use Hibernate framework to operate mysql database. If you want to use unit test in Intellij, you know that Junit is needed, but it is not found by default. How to solve it? >>First, go to settings an ...

Posted by devx on Tue, 31 Mar 2020 05:54:40 -0700

Web development | hibernate - 06. Persistence class concept and operation of Hibernate

1. What is a persistence class 1. Persistence class: it is a Java class (the JavaBean we wrote), which can be a persistence class if the mapping relationship between the Java class and the table is established. Persistence class = JavaBean + xxx.hbm.xml 2. The concept of persistent classes exists in the Hibernate framework e ...

Posted by just me and php on Sat, 28 Mar 2020 09:10:22 -0700

Spring Controller singletons and thread-safe things

Catalog singleton scope Prototype Scope Does multiple HTTP requests execute serially or in parallel within the Spring Controller? Implement singleton mode and simulate a large number of concurrent requests to verify thread security Appendix: Spring Bean Scope singleton scope Each controller that adds @RestController or @Controller defaults to ...

Posted by Joshua4550 on Fri, 27 Mar 2020 21:56:23 -0700

DBMSSESSION package views the IP information of client connection in Oracle

Thank you for your reference- http://bjbsair.com/2020-03-27/tech-info/7042/ Summary It is well known that the machine name of the client is recorded in the v$session, but there is no IP. How to record the clinet ip?  select username,machine,terminal,program,client_info,logon_time from v$session; It can be seen that there is no IP record.. 1 ...

Posted by julieb on Fri, 27 Mar 2020 03:15:36 -0700