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Record the differences and improvements of one-way quick sort, two-way quick sort and three-way quick sort Basic idea: divide the records to be arranged into two independent parts through one-time sorting. If the keywords of one part of the records are smaller than those of the other part and larger than those of the other part, the records of ...

Hi! Hello, everyone. Today I'll teach you how to configure logs in the Spring Boot project. What's the use of logs? Of course, it is to record the system operation records, which is convenient for us to troubleshoot and observe the system operation status. In production practice, log processing is a very important part. Log level Common log l ...

Chapter 1: SharedPreferences source code learning Defects in Android SharedPreferences Cause ANRCause CatonAll read and write to memoryData lossCannot cross process Comparison of MMKV, Jetpack DataStore and SharedPreferences functionMMKVJetpack DataStoreSharedPreferencesWhether to block the main threadnonoyesThread safeyesyesyesIs cross ...

It can carry out addition, subtraction, multiplication and division, exponential operation, power operation, factorial operation, trigonometric function operation and logarithmic function operation. Because the previous ones are easy to handle, here I mainly explain that the operation of trigonometric function and logarithmic function can adop ...

catalogue 1, Basic grammar 2, Benefits / details of super to programming 3, Comparison between super and this super class explanation code 4, Method override / override 1. Basic introduction 2. Precautions and use details Basic introduction super represents the reference of the parent class and is used to access the properties, const ...

preface I saw an article before java reflection calls private related  A screenshot of the boss inside shows why the generated method accessor generated at runtime can access all methods Hehe, to tell you the truth, this problem has not been considered before However, the screenshot of the boss is still a little abstract and is not connecte ...

preface To use the Spring framework in a web project, we must first solve the problem of obtaining the Spring container in the web layer (here referred to as Servlet). As long as the Spring container is obtained in the web layer, the Service object can be obtained from the container. 1, Problems of using Spring in Web projects Exampl ...

Integration case based on SSMP I Implementation case scheme analysis Case making process Basic CRUD function Call the page and make all functions after confirming asynchronous submission Add paging function and query function II Create backend project environment 2.1 creating modules Create module First, add web - "Spring Web" ...

Here, I use the jar package spring boot starter data redis of redisTemplate combined with spring boot framework, which is introduced in the way of POM. The introduction code is as follows: <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <versi ...

I'm kangarooking, not my brother's brother. An Internet worm "gua" cow, climb up step by step with you, and one day there will be a day for us. Pay attention to me and make a little progress every day ❗ ❗ ❗Foreword (flicker)After reading the source code of some open source frameworks, I found that the responsibility chain model is ...