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[intermediate project of niuke.com] lesson 4 registration, login and browsing security Catalog Article directory [intermediate project of niuke.com] lesson 4 registration, login and browsing security 1. registration 1.1 registration function: 1. User name validity detection 2. Password length ...

1. Introduction to applet Small program is a new way to connect users and services. It can be easily obtained and spread in wechat, and has excellent use experience. 2. Applet development During the epidemic, I have nothing to do at home, so I need to make a small program to play. Let's not say wh ...

Program Functions The main function of this program is to import data from files into the clickhouse database. [Problem Description] Server memory runs out at regular intervals [Problem Analysis] Because it was developed in go language, pprof, a tool popular in the industry, was used. Reference URL:https://cizixs.com/2017/09/11/profiling-golang ...

1, Statement interface introduction Function: object used to execute a static SQL statement and return the result it generates int executeUpdate(String sql) executes the given SQL statement, which may be an INSERT, UPDATE, or DELETE statement, or an SQL statement that does not return anything, such as a SQLDDL statement. vo ...

Article directory Preface 1: BGP protocol theory 1.1: Overview 1.2: classification of dynamic routes 1.2.1: classification by autonomous system 1.2.2: classification by agreement type 1.3: characteristics of BGP 1.4: working principle of BGP 1.4.1: BGP message 1.4.2: BGP database 1.4.3: type of BGP 2: BGP protocol experiment 2.1: experimenta ...

Overview: the related content of this series of blog articles comes from the actual combat course recorded by debug in person: Introduction to Redis technology and application scenario practice (SpringBoot2.x + red packet system design and practice) , interested partners can click to learn by themselves (after all, mastering technology in the ...

idea generates annotated entity classes automatically idea generates annotated entity classes automatically Explain idea configuration database idea add groovy file Generate annotated entities summary idea generates annotated entity classes automatically Explain The idea itself has an operat ...

Introduction In the process of developing web applications with Django framework, it is inevitable that data management operations (such as add, delete, change, check) will be involved. When talking about data management operations, database management software, such as mysql, oracle, Microsoft SQL ...

Article directory Virtual user configuration Create a virtual user login file Generate database file Edit the vsftpd.conf configuration file Configure authentication mechanism Mapping users Create dependent directories and files Login test Next chapter vsftpd server building (basic part). Befo ...

There are many high availability schemes for MySQL, such as dual master, MHA, MMM, etc. here is just the simplest dual master high availability scheme. 1, Configure MySQL as master-slave 1. Environmental preparation system IP host name service Centos 7.5 192.168.20.2 mysql01 MySQL+keepalived Centos 7.5 192.168.20.3 mysql02 MySQL+keepali ...