Spring Boot + Spring data JPA

In this tutorial, we will show you how to use Spring Boot + Spring data JPA to save data into an H2 in-memory database and how to also query the data.

Date: 2019-08-11 View: 1421

Spring Boot + Spring data JPA + MySQL

The previous Spring Boot + Spring data JPA will be reused, modify to support MySQL database.

Date: 2019-08-11 View: 1967

In JavaScript, we can use the classic indexOf() or the new ES6 includes to check if a String contains a substring.

Date: 2019-08-11 View: 1710

Spring Boot + Spring Data JPA + MySQL, and hits the following error message when the application starts :

Date: 2019-08-11 View: 1511

Spring Boot + Spring data JPA + PostgreSQL

The previous Spring Boot + Spring data JPA will be reused, modify to support PostgreSQL database.

Date: 2019-08-11 View: 1860

Apache Log4j 2 Tutorials

A simple log4j 2 hello world example.

Date: 2019-08-11 View: 1399

In JavaScript, we can use either location.replace() or location.href to redirect a page. Normally, we use location.replace() to simulate an HTTP redirect.

Date: 2019-08-11 View: 1538

Enable the log4j 2 loggers to asynchronous, but hits the following order :

Date: 2019-08-11 View: 5035

In JavaScript, we can combine indexOf() and splice() to remove a certain element from an Array.

Date: 2019-08-11 View: 1638

log4j2.xml example

Some log4j2.xml examples, just for self-reference

Date: 2019-08-11 View: 1736

In JavaScript, we can use forEach(function) to loop an Array. The provided function in forEach() will run once for each array element.

Date: 2019-08-11 View: 1214

In JavaScript, we can use for, forEach or for..of to loop an Array.

Date: 2019-08-11 View: 1368

log4j2.properties example

A simple log4j2.properties example, just for self-reference

Date: 2019-08-11 View: 1418

log4j2.yml example

A simple log4j2.yml example, just for self-reference

Date: 2019-08-11 View: 1456

A JavaScript example to show you how to get the selected value or text from a dropdown list.

Date: 2019-08-11 View: 1357