Eclipse A-Z
1. "Downloading external resources is disabled." in spring XMLSolution: Window -> Preference -> Maven -> tick the option ('download artifact jav......


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[Oracle] - JAVA and another one related JAVA
JAVA Ref: 1. Spring frame: https://hoquoctri.blogspot.com/search/label/Java?&max-results=152. Hash code: https://hoquoctri.blogspot.com/2019/06/java-core-hashcode-method.html3.......
![[Javascript/Jquery/CSS] - A->Z](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXZG9RZ47cKnfgAkIAUccZAcHyV20hj35SvWtudgu28ifYZFNlq365OUX1AKtpGkcPUvexis_lVi2osWiHSxGPQtDmbKSeraxCJdAD7XWuvrVDwKII2Na_BbVPcUo36ar4PhbXAlnMA-g/s320/FD1C4D22-1628-4F69-ABF4-8960A20C5E51.jpeg)
[Javascript/Jquery/CSS] - A->Z
JAVASCRIPT
Find element has <id> and change value itself.
document.getElementById("<id>").innerHTML = "Hello JavaScript";
document.getElementById("<id>").style.<attribute> = "<value>";
Function:
function myFunction() {
// return with object
return......
Spring + Thymleaf
SPRING + Thymeleaf==============================================================Basic SetupEclipseSpring initializr:Ref: https://start.spring.io/Project......
![[Java] - ORM on Java](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijv4e3FxFXOaabRp-Ke8yXPj_lKfTyo2PyT3R2dpaYPSm6rc08MMZTgbeVZjk9JlcO3XR8-zbNtCE1txPZcqHd827DGIvJDKatcWwA8ufbqBXgRq8CrKUgMLqTTF54SHP8ic1qsDY1XPA/w400-h320/oracle-database-icon.png)
[Java] - ORM on Java
JPA=========================================================================HibernateResources:1. https://docs.jboss.org/hibernate/stable/orm/userguide/html_single/Hibernate_User_Guide.html#hql-select-clauseProblems:1. Cannot POJO if we select specific fields in Query Statement. If used in RESTful......
![[Oracle] - Oracle Database 21](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1ylZoVKNCLjT1pbhpL11GAVTxg0kDlIlzyYnffu8iX5XRx7kL6NQqBlQxXAz-XvX3nH56gEZFxorpNJRV3fCV3SwMuTRQ0ZzuNj99lDyTELkk6mLZJ1TwdF-9MWxtXBF1nThNR0Swip4/w400-h320/oracle-database-icon.png)
[Oracle] - Oracle Database 21
I. Install Oracle DB 21c In CentOS 8Ref:1. Oracle 21c : https://www.oracle.com/database/technologies/oracle21c-windows-downloads.html2. CentOS v8 : https://www.centos.org/download/3.......

MySQL/MariaDB - Collection
MYSQL====================================================INSTALLATION1. CentOSRef: https://www.hostinger.com/tutorials/how-to-install-mysql-on-centos-7 // get update# yum update//download repository # wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm// Install#......
Eclipse A-Z
1. "Downloading external resources is disabled." in spring XMLSolution: Window -> Preference -> Maven -> tick the option ('download artifact jav......

Apache Kafka
I. Setup environmentRef: https://www.tutorialspoint.com/apache_kafka/apache_kafka_installation_steps.htm1 - Install ZookeeperDownload Apache Zookeeper : Download- Upload Zookeeper to /opt- Unzip installation file: $ tar -xzvf apache-zookeeper-3.9.3-bin.tar.gz-......
Eclipse A-Z
1. "Downloading external resources is disabled." in spring XMLSolution: Window -> Preference -> Maven -> tick the option ('download artifact jav......
Proxmox
1. Install ProxmoxDownload: https://www.proxmox.com/en/downloadsHow to install Proxmox in Virtual Box: https://getlabsdone.com/how-to-install-proxmox-ve-on-virtualbox-step-by-step/Note: Hard Disk must be VMDK (Virtual Machine Disk) format. Another type can't show GUI, Virtual only show......