Elatic job quick start

See the previous document for the basic environment https://blog.csdn.net/qq_45745830/article/details/121624158?spm=1001.2014.3001.5502https://blog.csdn.net/qq_45745830/article/details/121624158?spm=1001.2014.3001.5502 Introduction to distributed task scheduling Many times, we need to execute some programs regularly to complete some scheduled ...

Posted on Mon, 29 Nov 2021 20:27:54 -0500 by Dingbats

Android Studio custom page template

historical background With the rich and colorful Android native environment, many architectures have been born, such as MVC, MVP, MVVM and MVI. However, using these architectures, we have to create many class files (the project structure will be clearer). In MVC, we will create layout files for Activity/Fragment, Model, Controller and View, an ...

Posted on Mon, 29 Nov 2021 20:21:16 -0500 by romilbm

Section 3 of IntelliJ IDEA plug-in development: develop toolbar and Tab page to display stock market and K-line

Continue to adhere to the original output, click the blue word to pay attention to me Author: Xiao Fu GeBlog: https://bugstack.cn ❝ Precipitate, share and grow, so that you and others can gain something! 😜 ❞ catalogue 1, Foreword 2, Demand purpose 3, Case development ...

Posted on Mon, 22 Nov 2021 08:22:46 -0500 by davidklonski

Static methods and instance methods in Java (Usage Summary)

Example method         An instance method is a method that needs to create an object of its class before calling. To invoke an instance method, we must create an object in which its class is defined.   Memory allocation:           These methods themselves are stored in the permanent generat ...

Posted on Mon, 22 Nov 2021 00:40:22 -0500 by shakuni

Java sequence and selection structure

Sequential structure The basic structure of Java is sequential structure. Unless otherwise specified, it will be executed sentence by sentence in order. Sequential structure is the simplest algorithm structure. Between statements and between boxes, it is carried out in the order from top to bottom. It is composed of several processing steps ...

Posted on Wed, 03 Nov 2021 21:05:00 -0400 by joeynovak

IDEA training -- from JDBC to Mybatis

1, Improvement from JDBC to Mybatis (1) What is Mybatis? MyBatis is an excellent persistence layer framework that supports customized SQL, stored procedures, and advanced mapping. MyBatis avoids almost all JDBC code and manually setting parameters and getting result sets. MyBatis can use simple XML or annotations for configuration and native ...

Posted on Fri, 22 Oct 2021 05:15:47 -0400 by Zhadus

IDEA is configured in this way, which is easy to use!!!

Encapsulate MyBatis   Output results resultType Resulttype: execute sql to get the type of ResultSet conversion, using the fully qualified name or alias of the type. Note that if a collection is returned, it should be set to the type contained in the collection, not the collection itself. resultType    And resu   ltMap can ...

Posted on Thu, 21 Oct 2021 00:43:22 -0400 by ihw13

day10 object oriented programming

1. Array Select sort Train of thought analysis Disadvantages: frequent exchange and waste of time Improved version selection sorting Improvement: add a subscript of the minimum value of mindex record //Improved version selection sorting for (int i = 0; i <arr.length - 1; i++) { //i is set as the reference positi ...

Posted on Wed, 01 Sep 2021 17:37:19 -0400 by stephenjharris

Learning from Spring Security practice: creating a simple Spring Security Project

Reference course: Mr. Chen Muxin's "Spring Security practice" Create spring boot project There are many ways to create a Spring Boot project through the Intellij IDEA. The easiest way is to use the Spring InitializrTools.Spring Initializr allows us to select some common project dependencies in advance. Here, we choose Security as the ...

Posted on Tue, 23 Jun 2020 22:44:11 -0400 by [ArcanE]

Scala_ Common functions

1, If Else… val x = 5 val s = if (x > 0) 1 else -1 // s type is Int val m = if (x > 0) "positive" else -1 // Public super type Any with s type String and Int // In Scala, each expression should have a value. If the else part is missing, the following statement is equivalent to: if (x > 0) 1 else(), which returns a null ...

Posted on Fri, 15 May 2020 11:08:22 -0400 by mrjap1