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[Java Foundation Series] 3 - operators and expressions of Java

1. Operator 1.1 arithmetic operators Arithme...
3:14 12 September 2021

JS native methods (String and Promise)

In the actual development, we may use many JavaScript built-in methods, and these methods do bring us a lot of convenien...
23:35 11 September 2021

Sword finger Offer 35. Copy of complex linked list

Sword finger Offer 35. Copy of complex linked list Please implement the copyRandomList function to copy a complex linked...
21:46 11 September 2021

Docker_dockerfile nginx and tomcat

1, Classification of images 1. Three elements of docker 1) , Docker Image is a read-only template. An Image can be used ...
19:58 11 September 2021

C + + - program flow structure No.4

4 program flow structure C/C + + supports thr...
19:49 11 September 2021

Data structure and algorithm_ 02 stack

stack 1. Array implementation of ...
19:28 11 September 2021

Node.js connects to MySql database to realize addition, deletion, modification and query

First, you need to prepare some environments and development tools ...
19:22 11 September 2021

How to write your own package, and then publish and maintain the package?

Environmental preparation Environ...
17:38 11 September 2021

Detailed explanation of if else branch structure of 200 cases 41 for Java beginners

Introduction to the author Author name: Ming Shiyin in programming world Introduction: CSDN blog expert has been engaged...
13:54 11 September 2021

[network security] summary of Spring framework vulnerabilities

Introduction to Spring Spring is a lightweigh...
3:06 11 September 2021

Three days to learn MySQL - MySQL database chapter exercise

MySQL database chapter exercise Lecturer: Son...
21:54 10 September 2021

Learn Mybatis from scratch - Mybatis core configuration

Properties Define attributes and read attribu...
18:09 10 September 2021

Enumeration classes in java

Use of enumeration classes: 1) Class has only...
17:17 10 September 2021

js+canvas+less to realize AI Gobang games_ ☆ the past goes with the wind ☆ blog

1, Foreword Use js+canvas+less to make a simple AI Gobang game. AI players in the game are very powerful and have the fu...
4:36 10 September 2021

Implementation of multi thread file download based on rxjava 2.0 + retrofit2.0

preface I wrote an article before Implementation of file download based on RxJava2.0+Retrofit2.0 (with progress, non ove...
3:29 10 September 2021

[Educational Codeforces Round 113 (Rated for Div. 2)] ABC Solution

[Educational Codeforces Round 113 (Rated for Div. 2)] A Balanced Substring ...
15:09 9 September 2021

RxJava for Android Development Interview, [Job insights]

Exceptions.throwIfFatal(ex); parent.onError(ex); } ...
13:07 9 September 2021

Unity uses IAP to access Apple Store

Use version Unity 2019.4.7 IAP version 2.3.0 Preface take notes to avoid forgetting to learn Unity official document lin...
17:32 8 September 2021

Examples of Cylindrical Flow Around OpenFOAM

Cylindrical flow around a cylinder is one of the most classical examples in fluid mechanics and is favored by many schol...
15:53 8 September 2021

Advanced data of opengl

Note: the original English version is preferred Advanced data of openglCN ...
5:29 8 September 2021

Dynamic programming -- Examples

Problem solving ideas of dynamic planning: There are four steps: 1 create a new one-dimensional array or two-dimensional...
21:10 7 September 2021

Grain College - day 2 - Swagger

1, Swagger2 introduction In the front end and...
18:57 7 September 2021

Leetcode 146. LRU caching mechanism

preface Cache is a technology to improve data...
18:22 7 September 2021

How to understand shallow copy and deep copy

1, Data type storage There are two data types...
16:44 7 September 2021

Mad YYDS MySQL Learning Notes

#MySQL MySQL is a relational database management system 5...
12:29 7 September 2021

Flink streaming API

5. Flink streaming API Implicit transformation in Scala programming import org.apache.flink.streaming.api.scala._ impo...
20:29 6 September 2021

[penetration test] Lin.Security target penetration exercise_ Virtual machine cannot obtain ip configuration method + target machine multiple rights raising methods

Target description: in.security, we hope to develop a Linux virtual machine, which is based on the latest Ubuntu distrib...
16:56 6 September 2021

Oracle to PostgreSQL start with / connect by

Oracle hierarchical query start with / connect by in Orac...
13:54 6 September 2021

[script] Swiss Army knife pandas for data processing

1, Pandas introduction In Python, pandas incl...
17:55 5 September 2021