VirtualBox Ubuntu slow and laggy UI

To solve the Ubuntu UI slow performance issue on VirtualBox, increase the “Video Memory” and “Enable 3D Acceleration”

Date: 2019-08-11 View: 1243

cPanel keeps prompting the login dialog

The cPanel keeps prompting the login dialog over and over, and I’m 100% sure the username and password is correct.

Date: 2019-08-11 View: 1327

How to Stop WordPress Pingbacks and Trackbacks Spam

Review my WordPress wp_comments table and find out the file size is containing 500MB++ for around 1 millions++ comments! Dig inside and find out around 900k++ comments was marked as ‘trackback‘ and it linked back to a spammer’s website. The worst is the this type of ‘trackback‘ comments are kept increasing every second!

Date: 2019-08-11 View: 1426

The logbook will output its own status (INFO or WARN) at the start of the program, it’s really annoying!

Date: 2019-08-11 View: 1404

Spring Boot Custom Banner example

This article shows you how to replace the default Spring’s banner below with your custom banner.

Date: 2019-08-11 View: 1405

Spring Boot JDBC + MySQL + HikariCP example

In this article, we will show you how to create a Spring Boot JDBC application + MySQL and HikariCP.

Date: 2019-08-11 View: 1805

Spring Boot non-web application example

In Spring Boot, to create a non-web application, implements CommandLineRunner and override the run method, for example :

Date: 2019-08-11 View: 1649

Start a Spring Boot application and making a JDBC connection, hits the following warning messages on console :

Date: 2019-08-11 View: 1416

Here are few ways to disable the Spring logo banner below :

Date: 2019-08-11 View: 1245

In Spring Boot, @Autowired a javax.sql.DataSource, and you will know which database connection pool is using in the current running application.

Date: 2019-08-11 View: 1437

Spring Boot JDBC + Oracle database + Commons DBCP2 example

In this article, we will show you how to create a Spring Boot JDBC application + Oracle database + Commons DBCP2 connection pool.

Date: 2019-08-11 View: 2505

After stopped and cleaned the WordPress pingback and trackback spams, those spammers have changed strategy to start spamming comments and trackbacks on the post attachments.

Date: 2019-08-11 View: 1688

Spring Boot + Spring Data JPA + Oracle example

In this article, we will show you how to create a Spring Boot + Spring Data JPA + Oracle + HikariCP connection pool example.

Date: 2019-08-11 View: 3221

Java 8 has introduced a new class Optional in java.util package. It is used to represent a value is present or absent. The main advantage of this new construct is that No more too many null checks and NullPointerException. It avoids any runtime NullPointerExceptions and supports us in developing clean and neat Java APIs or Applications. Like Collections and arrays, it is also a Container to hold at most one value. Let us explore this new construct with some useful examples.

Date: 2019-08-11 View: 1413

Add the following lines in application.properties to log the Hibernate SQL query.

Date: 2019-08-11 View: 1648