hkneptune

Install MySQL 8 on CentOS 8 in VirtualBox

** Please use the root user to edit the files and execute the commands unless further notice. **

Prerequisite

1. Install the latest VirtualBox Platform Package and the VirtualBox Extension Pack (Oracle_VM_VirtualBox_Extension_Pack-VERSION.vbox-extpack).
2. Download the latest VirtualBox Guest Additions (VBoxGuestAdditions_VERSION.iso).
3. Download the latest CentOS Linux release 8.
4. Create a new virtual machine and install the CentOS to the virtual machine. During the CentOS installation, select Workstation as Base Environment, select Container Management, Development Tools and Graphical Administration Tools as Additional software for Selected Environment. Use http://mirror.centos.org/centos/8/BaseOS/x86_64/os/ as the installation source.

hkneptune

Install Oracle Database 19c on CentOS 8 in VirtualBox

** Please use the root user to edit the files and execute the commands unless further notice. **

Prerequisite

1. Install the latest VirtualBox Platform Package and the VirtualBox Extension Pack (Oracle_VM_VirtualBox_Extension_Pack-VERSION.vbox-extpack).
2. Download the latest VirtualBox Guest Additions (VBoxGuestAdditions_VERSION.iso).
3. Download the latest CentOS Stream 8.
4. Create a new virtual machine and install the CentOS to the virtual machine. During the CentOS installation, select Workstation as Base Environment, select Container Management, Development Tools and Graphical Administration Tools as Additional software for Selected Environment. Use http://mirror.centos.org/centos/8/BaseOS/x86_64/os/ as the installation source.

hkneptune

<?xml version="1.0" encoding="UTF-8"?>
<profiles version="20">
  <profile kind="CodeFormatterProfile" name="Simple Java Code Style" version="20">
    <setting id="org.eclipse.jdt.core.formatter.insert_space_after_ellipsis" value="insert" />
    <setting id="org.eclipse.jdt.core.formatter.insert_space_after_comma_in_enum_declarations" value="insert" />
    <setting id="org.eclipse.jdt.core.formatter.insert_space_before_comma_in_allocation_expression" value="do not insert" />
    <setting id="org.eclipse.jdt.core.formatter.insert_space_before_at_in_annotation_type_declaration" value="insert" />
    <setting id="org.eclipse.jdt.core.formatter.parentheses_positions_in_for_statment" value="common_lines" />
    <setting id="org.eclipse.jdt.core.formatter.comment.new_lines_at_block_boundaries" value="true" />
    <setting id="org.eclipse.jdt.core.formatter.insert_space_after_logical_operator" value="insert" />

hkneptune

Useful Tools / Utilities

• PU: Free for personal use
• CU: Free for commercial use
• OS: Open source

File Attributes

Attribute Changer - PU CU - A powerful Windows Explorer add-on, available at your fingertips whenever you right-click on files, folders and even drives in Windows Explorer.

hkneptune

package com.neptuneli.utils;

import java.math.BigInteger;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;

public class X509CertificateUtils {

  public String getCertSerialNo(final String certPath) {

hkneptune

// ==UserScript==
// @name         NOWTV-LIVE-FULLSCREEN
// @namespace    https://neptuneli.com/
// @version      1.0
// @description  NOWTV LIVE FULLSCREEN SCRIPT
// @author       Neptune LI (@hkneptune)
// @match        https://news.now.com/home/live
// @match        https://news.now.com/home/live331a
// @grant        none
// ==/UserScript==

hkneptune

Useful Eclipse Plugins

Source Code Analyzer

1. pmd-eclipse-plugin
2. SonarLint
3. Checkstyle plugin
4. SpotBugs Eclipse plugin
5. Unnecessary Code Detector

Testing

hkneptune

Getting the Path of Maven Dependency as a Maven Property

1. Setup the maven-dependency-plugin plugin with properties goal.

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-dependency-plugin</artifactId>
    <version>3.1.1</version>
    <executions>
 

hkneptune

Configure Obfuscation with the PreEmptive Protection DashO in Apache Maven Project

Prerequisites

1. Download DashO for Android & Java on PreEmptive Solutions and then extract it into a local directory. For example: C:\programming\DashO-9.3.0.
2. Activate the DashO with DashOGUI.
3. Download Open Java Development Kit (OpenJDK) and then extract it into a local directory. For example: C:\Java\jdk-11.0.2.
4. Dwonload Apache Maven and then extract it into a local directory. For example: C:\programming\apache-maven-3.6.1.
5. Configure the user variable DASHO_HOME, DASHO_JAVA_HOME, JAVA_HOME, MAVEN_HOME.

DASHO_HOME=C:\programming\DashO-9.3.0

hkneptune

DashO for Android & Java Setup on Windows 10

Prerequisites

1. Download DashO for Android & Java on PreEmptive Solutions and then extract it into a local directory. For example: D:\programming\DashO-10.3.
2. Download Java SE Development Kit 8 and install it.
3. Download Apache Ant and extract it into a local directory. For example: D:\programming\apache-ant-1.10.8.
4. Put the license file dasho.dat into the DashO directory.

System Environment Variables