Programmer Group

How is Seesion used in C + + server? The two mechanisms of cookie and session are introduced and used in the official account (CPP background server public view), but it seems that we seldom encounter in the C++ background development process. How is session used in our server? First, let's look ...

I. Introduction 1. background There are many problems in traditional Session based verification, such as Session expiration, excessive server overhead, inability to deploy in a distributed way, and unsuitable for projects with front-end and back-end separation. Traditional token based verification ...

The previous several articles have prepared the database and data, and now they will be developed later. Some of them may be different from others on the Internet. I did it for the first time, and all the functions have been realized. This article is about development, registration and login. First, pas ...

Using Python requests library to crawl educational administration system When I was a sophomore, I felt that the school's educational administration system was particularly backward. It was very troublesome to use the functions of score query and schedule check. At that time, the official account of t ...

MyBatis part2 Article directory MyBatis part2 Many to one processing One to many processing Dynamic SQL IF chooose(when,otherwise) trim(where,set) Foreach Before knowing many to one and one to many, the feeling after learning is like learning the joint table query in MySQL statements (there ...

1. About testing Recently oracle held a series of online sharing, one of the new features of 19c is automatic indexing. I tested it in docker and failed. [oracle@8aa96a41b58b ~]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 - Production on Thu Feb 20 09:44:52 2020 Version 19.3.0.0.0 SQL> EXEC DBMS_AUTO_INDEX.CONFIGURE('AUTO_INDEX_MODE ...

background In order to protect the network security of high security level, the State Security Bureau issued the physical isolation requirements for the classified network on December 27, 1999, and promulgated and implemented the regulations on the confidentiality management of the international networking of computer information system on Jan ...

Learning objectives Configuration of login page Login successful jump implementation Implementation of settlement page query Order implementation Change stock Add points Introduction to payment process Introduction to wechat code scanning payment 1 login page configuration The previous use ...

Servlet Servlet is the foundation of JSP (Java Servlet Pages), which is essentially a Java class running on the server side, receiving requests from clients and responding. Tomcat's containers are divided into four levels: Container, Engine, Host and Servlet. The relationship is as follows The s ...

Why to learn HQL (hibernate query language) - > this is an official recommendation with powerful functions ? delete Session.delete (object) - > batch delete Add? session.save session.persist Modify - > batch modify Sessin.update (object) Query object obj obj.setXXX(); Query? load get Query all ...