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catalogue Login to different pages with different accounts Chinese garbled code method Search fuzzy query The permission login function is grayed out Tab child parent page display Child parent page data display Login query function Display according to year data Change Password Give multiple permissions Database connection Front end ...

catalogue Insert sort explanation Two dimensional array Initialization of two-dimensional array Access to two-dimensional arrays n-dimensional array Character array Character arrays and strings Input and output of character array Character input / output String input / output Simple use of string functions Comprehensive use of strin ...

preface django and vue are used Tip: the following is the main content of this article. The following cases can be used for reference 1, setting configuration after installation Static resource allocation templates configuration static (note the last comma, the data type is tuple) STATICFILES_DIRS = ( os.path.join(BASE_DIR, "st ...

A large number of design patterns are used in the Mybatis source code. Reading the source code and observing the application of design patterns can have a deeper understanding of design patterns. Mybatis has encountered at least the following design patterns: Builder mode, such as SqlSessionFactoryBuilder, XMLConfigBuilder, XMLMapperBuilder, ...

1 difference 1.1 array Fixed length You can store base and reference types 1.2 collection The length is not fixed Only reference types can be stored, and basic types can be boxed into reference types and saved into the collection through boxing operation. Collection in Java util.* Bao Xia 2 Collection interface 2.1 introduction Arra ...

Hello, I'm the technical interviewer of XX Baba company. Are you Zhang Xiaoshuai. The voice came from the other end of the phone Yes, hello. Xiaoshuai was secretly pleased that Dachang finally found me. "Let's have a telephone interview. Please introduce yourself first." “balabalabla...” Xiaoshuai gave a general descrip ...

Author home page: San Francisco wyx This article has been entered into the column Introduction to Python The latest version of Python Xiaobai tutorial in 2021 is for 0 basic Xiaobai and partners with weak foundation Tip: click the blue "function name" in the list to go directly to the function parsing area Function nameeffectusein ...

Decorator Learning objectives Be able to know the syntax format of defining decorators 1. Definition of decorator It is a function that adds additional functions to existing functions. It is essentially a closure function. Functional features of decorator: Do not modify the source code of existing functionsDo not modify the calling ...

Go language is a simple and interesting programming language. Like other languages, it will inevitably encounter many pits when used, but most of them are not the design defects of go itself. If you have just moved to go from another language, this article may help you. Designed to help you skip these pits and reduce a lot of debugging time. G ...

Lambda is an anonymous function. We can understand lambda expression as a piece of code that can be passed (passing code like data). We can write more concise and flexible code. As a more compact code style, the language expression ability of Java has been improved. 1. How to write Lambda expressions MyInterface interface (provide show meth ...