Programming Tutorials

all Tutorials

41. Some dependencies are incompatible with the installed expo version:

By: Yolander : 2023-05-10

Description: When you start an expo project by running 'expo start' or 'npx expo start', if you are getting this error:


42. A sample Hibernate Web Application using Servlets

By: Felix : 2023-05-08

Description: A Hibernate web application uses Session and Transaction almost like a standalone application. However, some common patterns are useful. You can now write an EventManagerServlet. This servlet can list all events stored in the database, and it provides an HTML form to enter new events.


43. Step by Step Hibernate - Your First Hibernate Application

By: Felix : 2023-05-08

Description: This could well be your first Hibernate Application. In this tutorial a step by step approach is taken to show you how to use hibernate in your java applications. For this example, we will set up a small database application that can store events we want to attend and information about the host(s) of these events. This explains the basics of Hibernate. You can get started with Hibernate using this tutorial and extend the functionalities from here.


44. Step by Step guide to setup freetts for Java

By: Ryan : 2023-05-08

Description: Follow these steps to setup of freetts for Java in your PC


45. Sending Email using JSP

By: Vijay : 2023-05-05

Description: This example uses Gmail as the SMTP server, but you can use any other SMTP server by modifying the "host" and "port" properties accordingly.


46. Encrypting Passwords in Tomcat using Servlets

By: Sam Chen : 2023-05-04

Description: Encrypting passwords is an essential aspect of web application security. Here are the steps to encrypt passwords in Tomcat using Servlets:


47. Steps to get a Free SSL certificate for your Tomcat

By: Reema sen : 2023-05-04

Description: Most often web developers face the issue of getting a free SSL certificate for their websites. Though the process of generating a SSL certificate is easy, it is quite confusing if you are doing it for the first time. If you are one such developer then here is the solution for you step by step.


48. Data Access Technologies in Java

By: Lakshmi : 2023-05-04

Description: Java offers several data access technologies for connecting to various types of data sources, such as databases, flat files, and web services. Some of the popular data access technologies in Java are:


49. DispatchAction in Struts

By: Grenfel : 2023-05-04

Description: DispatchAction is another useful built-in Struts Action. However you cannot use it as is. You will have to extend it to provide your own implementation. An example will make things clear. Consider an online credit card application. Customers fill the credit card application online. The bank personnel get a List screen as shown in Figure below and they can act in one of four ways - Approve, Reject or Add Comment. Consequently there are three images each being a .


50. Handling Duplicate Form Submissions in Struts

By: Ivan Lim : 2023-05-04

Description: Duplicate form submissions are acceptable in some cases. Such scenarios are called idempotent transitions. When multiple submissions of data are not critical enough to impact the behavior of the application, duplicate form submissions do not pose a threat.