How to show open database connections in MySQL

  • 07 April 2020
  • ADM

How to show open database connections in MySQL using show status and show processlist command.


How to check the JDK version of a class file

  • 17 March 2020
  • ADM

When running a Java application it is mandatory that the JRE version to match or to be higher that the JDK version used to compile the application.

You will get the "Unsupported major.minor version 52.0" error when trying to run an Java 1.8 application using a lower version of Java.


Abstract keyword in Java

  • 10 March 2020
  • ADM

The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the object. If helps to reduce the programing complexity and the efort.


All keywords in Java

  • 09 March 2020
  • ADM

Keywords are special words in the programing language which have reserved use in the language. Keywords may not be used as identifiers in Java; for example you cannot declare a field whose name is a keyword.


How to use JSON Object in JavaScript

  • 06 February 2020
  • ADM

JSON is part of JavaScript programming language and is the main choise when it comes to data manipulation in JavaScript.

JSON is used from storing data, transfering data between client and server to configuring data.


How to fix mspdb100.dll is missing from your computer

  • 02 October 2019
  • ADM

How to fix The program can't start because mspdb100.dll is missing from your computer. Try reinstalling the program to fix this problem. by adding the VC 10.0 IDE on the Windows system environment variables or by running the vcvars32.bat for the current session.