When developing an application that uses any programming language, it is important to ensure that our code is written exactly as we want, even if the code is wrong in business logic. To do this, we must have unit test for our code. In this… Read More
When working with applications that need security, it is imperative that you have to know 2 concepts of authentication and authorization. In other words, authentication is related to who can use the application and authorization is related to which resources, which parts of the application… Read More
When building any application, it is necessary to handle all possible behaviors when users use our application. One of the cases you will often face when working with Spring MVC applications is that the request data that the user transmits will not correct the expectation… Read More
HTTPie is a command line tool that uses as an HTTP client, enabling us to consume Web Services with a simple, friendly syntax. In this tutorial, I will show you how to install and use it! First, to install HTTPie, depending on the operating system… Read More
In the tutorial about @Entity and @Table annotation in JPA, I mentioned to you the concept of Java Bean, they are POJOs with at least one constructor with no parameters. We often use Java Bean to contain information of an object. To ensure that the… Read More
I introduced you to DataWeave to transform data from this format to different formats in the Mule application. To do this, in addition to understanding the syntax to use in DataWeave, we need to know more operations that DataWeave supports to transform our data more… Read More
The switch statement in Java is a statement used to check the value of a variable, which can have different values, depending on the value of this variable, we can define a different set of statements. For example, I have n variable that can be… Read More
Two words “property” and “attribute” if translated into Vietnamese, we will often translate as the attribute and often we consider them the same. This may be true for other cases, but in case you build web applications with operations related to HTML tags using the… Read More
When creating any new Angular project, you’ll see the default in the app.component.html file, thing, which in the tutorial about Angular’s Component I call it placeholder {{title}}, actually its name must be the Interpolation directive, which is used to display the data from the Component… Read More
A lot of you know about Visual Studio Code, a great editor, supports many things with many extensions from Microsoft. We can use Visual Studio Code to build basic Java applications with the Java Extension Pack. In this tutorial, I will show you how to… Read More
