Recent content by kentowin

  1. K

    What is a Back link?

    Backlinks are links from outside domains that point to pages on your domain; essentially linking back from their domain to yours.
  2. K

    What is a SubQuery?

    A Subquery or Inner query or a Nested query is a query within another SQL query and embedded within the WHERE clause. A subquery is used to return data that will be used in the main query as a condition to further restrict the data to be retrieved.
  3. K

    What is Union?

    A union is a special data type available in C that allows to store different data types in the same memory location.
  4. K

    What is struts?

    Struts is an open source framework that extends the Java Servlet API and employs a Model, View, Controller (MVC) architecture.
  5. K

    What is an Iterator class?

    Iterator is an interface. It is not a class. It is used to iterate through each and every element in a list.
  6. K

    What is synchronization and why it is important?

    Synchronization, is a process that involves coordinating the execution of multiple threads to ensure a desired outcome without corrupting the shared data and preventing any occurrence of deadlocks and race conditions.
  7. K

    What is the difference between error and exception?

    Exceptions are those which can be handled at the run time whereas errors cannot be handled.
  8. K

    What is ‘this’ keyword in JavaScript?

    The this keyword refers to the current instance of the class.
  9. K

    What is C language ?

    C is a procedural programming language. It was initially developed by Dennis Ritchie. It was mainly developed as a system programming language to write operating system.
  10. K

    What is XML?

    XML is the Extensible Markup Language. It improves the functionality of the Web by letting you identify your information in a more accurate, flexible, and adaptable way.
  11. K

    What is a FOREIGN KEY ?

    A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables.
  12. K

    different between c++ and c#..?

    C# is a high level language.When compiled, C# code is converted into Intermediate language code. C++ is a low level language. When compiled, C++ code is converted into assembly language code.
  13. K

    What is Graphic Design?

    Graphic design, also known as communication design, is the art and practice of planning and projecting ideas and experiences with visual and textual content.
  14. K

    What is XML?

    Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.
  15. K

    What is HTML?

    Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications.
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