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Original address: http://www.work100.net/training/java-data-structure.htmlMore tutorials: Beam cloud - free course data structure Serial number Chapter in text video 1 Summary - 2 enumeration - 3 vector - 4 Stack - 5 Dictionaries - 6 Hashtable - 7 attribute - Please refer to the navigation above for reading 1. overview The ...

introduce Whether mysql or mongodb, the traditional way to interact with database is to write code according to the API they provide. The APIs they provide are often not easy to understand and hard to remember. If you pass wrong parameters and write a wrong symbol, you need to check the document. The ORM (Object Relational Mapping) framework ...

Case 1: configure MySQL multiple instances 1.1 problem On the host 192.168.4.56, configure the first MySQL instance Instance name mysql1, port 3307 Database directory / data3307, PID file mysql1.pid Error log mysql1.err On the host 192.168.4.56, configure the second MySQL instance Instance name mys ...

1 Preface There are many ways to install MySQL under linux, including the way of warehouse (yum,apt,zypper), the way of package (rpm,deb), the way of docker, the way of decompressing from the compressed package, the way of compiling and installing from the source code. Here is the last one, the way of compiling and installing from the source co ...

Today's content: 1. Servlet 2. HTTP protocol 3. Request Servlet: 1. Concepts 2. Steps 3. Principle of execution 4. Life cycle 5. Servlet3.0 Annotation Configuration 6. Architecture of Servlet Servlet--Interface | GenericServlet -- Abstract Class | HttpServlet -- Abstract Class * Gen ...

Article directory Foreword ´` Listview Detail modification of ListView Edit the details page of each book detailView Paging edit Conclusion (￣) ￣) A kind of Foreword ´` In the previous section, we set up the home page. Here we will create some other pages, such as books author, et ...

This is the construction method of UsernamePasswordAuthenticationFilter and the main content of the attemptAuthentication method is in attemptAuthentication public UsernamePasswordAuthenticationFilter() { super(new AntPathRequestMatcher("/login", "POST")); } public Authentication attemptAuthent ...

Create these folders first, and the files in them can be downloaded under my github. And then create these two files Note that CaptchaField will not take effect until a specific package is installed. The interpreter cannot install CaptchaField automatically here: from captcha.fields import CaptchaFiel ...

Spring boot integrates mybatis plus (2) multi data source Druid monitoring, Atomikos deals with transactions, cross database and linked table query In the previous chapter, I used springboot project to integrate mp, mp basic use, code generator use, Druid data monitoring, etc., but only for single dat ...

1, Interface development specification (Restful API) 1. Clear needs Function: to ensure that everyone's writing specifications are the same Give an example: The back end publishes the resource to the URL - > the front end accesses the resource through the URL - > and indicates the operation ...