The flexible test of array
The following is a summary of my own array programming problems
LeetCode
66. Add a question
import java.util.Arrays;
class Solution66 {
public static void main(String[] args){
int[] digits={9,8,7,6,5,4,3,2,1,0};
System.out.println(Arrays.toString(plusOne(digits)));
}
...
Posted by niroshan on Sat, 22 Feb 2020 10:34:01 -0800
python3-cookbook notes: Chapter VI Data Encoding and Processing
Each section in the python3-cookbook explores the best solution of Python 3 to a given problem in three parts: problem, solution, and discussion, or how Python 3's own data structure, functions, classes, and so on, can be better used in a given problem.This book is very helpful for understanding Python 3 and improving Python programming capabil ...
Posted by Slashscape on Sat, 22 Feb 2020 08:48:46 -0800
Minecraft Fabric Client tutorial 2 modifying file and directory names to add run and stop
First appeared in Enaium's personal blog
Modify package name, json file, add run stop
First, modify the package name
Change ExampleMod.java to ExcelInitializer.java
Modify the JSON files modid.mixins.json and fabric.mod.json
Change modid.mixins.json to excel.mixins.json
Contents of excel.mixins.json:
{
"required": true,
"package": "cn.e ...
Posted by stone.cold.steve.austin on Sat, 22 Feb 2020 07:53:24 -0800
[Python data visualization] Matplotlib learning notes
[Python data visualization] Matplotlib learning notes (1)
Introduction: Matplotlib is a Python 2D drawing library, which generates publishing quality graphics in various hard copy formats and cross platform interactive environments. With Matplotlib, developers can generate graphs, histograms, power ...
Posted by jwilley on Sat, 22 Feb 2020 06:33:43 -0800
Java web crawler Foundation
Catalog
1, Use URL class
2, Use HttpURLConnection to send GET request
3, Use HttpURLConnection to send POST request
4, Download case
Compared with python, Java crawler is a bit more complex. A few lines of python code can grab a web page. Java may need dozens of lines or even more, so python has m ...
Posted by curtisdw on Sat, 22 Feb 2020 05:09:06 -0800
The architect's internal mental skill is just a detailed explanation of the prototype model that he has only heard about
1, Application scenario of prototype mode
You must have met such a code scenario with a large number of getter and setter assignment scenarios. For example, code snippets like this:
private SafetyStockMessage createKafkaMessage(SafetyStock safetyStock, HttpServletRequest request) {
SafetyStockMessage safetyStockMessage = new SafetyStock ...
Posted by aleksandra on Sat, 22 Feb 2020 05:06:16 -0800
Java basic programming structure
Sketch
Java originated from Oak, a development language developed by Sun company for set-top box, which was renamed "Java" because of its name. Java is an object-oriented development language. Its characteristic is "compile once, run everywhere". This implementation depends on JVM.
Basic design of Java program
A basic Java ...
Posted by eelmitchell on Sat, 22 Feb 2020 03:13:30 -0800
Tangent programming in Spring Boot, explanation of example scenario (log printing)
Article directory
1. What is AOP
2.Spring Boot integrated AOP
2.1 add maven dependency
2.2 section programming (implementation of log printing example)
2.2.1 create the facet class LogAspectHandler.java
2.2.2 @Pointcut: pointcut
2.2.3 @Before: pre advice
2.2.4 @After: Post advice
2.2.5 @AfterReturn ...
Posted by abriggs on Sat, 22 Feb 2020 01:45:48 -0800
Node.js Foundation: Chapter 3
Chapter 1: basic concepts of server
1.1 - composition of the website
Web applications are mainly divided into two parts: client and server.
Client: the part that runs in the browser is the interface program that the user sees and interacts with. Build using HTML, CSS, JavaScript.
Server side: the part running in the server, responsible for sto ...
Posted by ctsiow on Sat, 22 Feb 2020 01:43:32 -0800
C++ Regular Expression regex Initial Exploration and Stepping Points
Preface
Previous developments required string matching filtering, which involved the function of regular expression.This article is a note taken by someone about the regex, a c++ regular expression library, and is welcome to correct any errors.
Introduction to Regex Library
Regex started with c++ 11. c++ regular expressions provide the foll ...
Posted by geo__ on Fri, 21 Feb 2020 08:14:26 -0800