Write a JDBC program to connect MySQL Database? JDBC stands for Java DataBase Connectivity. It is an API for Java to connect to various databases. Before writing the program to connect to MySQL database, we will do some initial setup in the back-end. JDBC API MySQL Database Setup We will create a sample database […]
Introduction We use a Bar chart or Column chart to visually compare values for the given categories in the data. In this tutorial, we will learn steps to add a Bar chart using Excel Application for a sample set of data. Sample Data Sample rainfall data for the months on a particular year. We will […]
Introduction In this tutorial, we will learn how to fix the following error: Fatal Not a Git repository (or any of the parent directories) error. Error The most probable root cause for this error is that when you run git commands without creating a local repository. Fix To fix this issue, try to create a […]
How to find listening Ports on Windows NETSTAT command is used to display network protocol statistics and the TCP/IP network connections. The command has various command-line switches. -a option displays the listening ports on the Windows machine. NETSTAT command The most useful command-line flags are the -a and -b -a displays the listening ports -b […]
Fix SEVERE Failed to initialize Component Connector. In this tutorial, we will learn how to fix the SEVERE Failed to Initialize Component Connector HTTP/1.1-8080 error during the Apache Tomcat server. This error indicates that the server failed to start on the port 8080. Error SEVERE [main] org.apache.catalina.util.LifecycleBase.handleSubClassException Failed to initialize component [Connector[HTTP/1.1-8080]] org.apache.catalina.LifecycleException: Protocol handler […]
Introduction Unresolved compilation problems in the code are due to compilation errors in the code. Many problems can be detected if we use an IDE like IntelliJ, Eclipse IDE, etc. This is a very generic error and there could be multiple reasons to get this error. Error Let’s see a sample error that has a […]