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📅 preface As we all know, algorithm and data structure is a necessary course for all computer majors. Algorithm not only reflects a person's logic ability, but also reflects a person's thinking ability. It is not only learning algorithms and data structures, but also a deep understanding of computer science. In this article, we will star ...

#Follow and cancel [the transfer of external chain pictures fails, and the source station may have anti-theft chain mechanism. It is recommended to save the pictures and upload them directly (img-xwZ8AhZC-1646567007779)(D:\TyporaNotes \ Niuke forum project \ Chapter III pictures \ image-20220306104936732.png)] Design the key and Valu ...

1, Understanding of programs, processes and threads 1. Program Concept: it is a set of instructions written in a certain language to complete a specific task. Refers to a piece of static code. 2. Process Concept: an execution process of a program, or a running program. Note: as the unit of resource allocation, the system will allocate diff ...

Data structure test questions Here, according to some data structure questions, I share my ideas and source code for you to exchange and learn! All ideas and codes in this article are for reference only. If there is anything wrong, please correct it! The following questions are for reference 1, Return the index of the list as required Exa ...

1, Scene source In daily development practice, it is often necessary to use tools (such as Postman and curl commands) to build http requests for development and testing. When an interface requiring token authentication is encountered, it may be necessary to log in to additional pages or request other interfaces to obtain tokens. I ...

Simple interface implementation Basic knowledge understanding package In the previous study, we simply mastered the function relationship between classes and objects, and between classes. For the sorting of different code files, we put forward the concept of package, which can be understood as a folder to classify code files and facilitate fu ...

The content of the article is reproduced from the official help document of IDEA: File template variables | IntelliJ IDEA Translated by Google Predefined template variables The following predefined variables are available for file templates: volatile describe ${DATE} Current system date ${DAY} Current date of each month ${DIR_PAT ...

catalogue preface Preparation before chasing source code text Explanation of notes Start process source code analysis Rough model diagram of Spring boot startup summary Course recommendation (free) preface In the last post, I introduced my friends to Spring boot and built a hello world project with Spring boot. I also raised the qu ...

Python is a scripting language. Compared with C/C + +, it has some shortcomings in efficiency and performance. However, there are many times when the efficiency of Python is not as exaggerated as expected. Let's move on to the topic. 1. Code optimization principle This article will introduce a lot of techniques to speed up the running of ...

Springboot integrates JdbcTemplate to realize paging query 1, Foreword When doing the SpringBoot back-end project, I want to adopt the back-end paging mode. The back-end paging is to process the data at the back-end first and then send it to the front-end. The front-end only needs to access the corresponding page and get the data of the c ...