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In computer science, a loop invariant is an invariant used to prove properties of loops. Informally, a loop invariant is a statement of the...

real-time ratio=average-case running time / worst-case running time bubblesort heapsort insertion mergesort quicksort best n nlogn...

Directed Acyclic Graphs A directed acyclic graph (DAG) is a directed graph that contains no cycles http://www.csse.monash.edu/~lloyd/...

Event-driven architecture Event-driven architecture (EDA) is a software architecture pattern promoting the production, detection, consum...

Semantic Web The Semantic Web is about two things. It is about common formats for integration and combination of data drawn from diverse...

PRINCE2 is a process-based approach for project management, providing an easily tailored and scaleable project management methodology for t...

Erlang Erlang is a general-purpose concurrent, garbage-collected programming language and runtime system. It was designed by Ericsson...

Delivers risk-aware end-to-end user authentication, single sign-on, and authorization protection, enabling enterprises to secure access fro...

Oracle Identity Management enables organizations to effectively manage the end-to-end lifecycle of user identities across all enterprise re...

Delegation is an essential part of a project manager's role, so identifying roles and responsibilities early in a project is important....

Perform Quality Control is when you are trying to find problems in your work products through inspection. Perform Quality Assurance is w...

Motivation The cases when certain objects need to be informed about the changes occured in other objects are frequent. To have a good de...

The Scanner class is a class in java.util, which allows the user to read values of various types Class Constructors There are two const...

What is the difference between procedural and object-oriented programs?  a) In procedural program, programming logic follows certain pro...

What is your biggest weakness? He recommends responding with: “I have a tendency to say yes and get overcommitted.” Then follow that with ...

What is ORM  ? ORM stands for object/relational mapping. ORM is the automated persistence of objects in a Java application to the tabl...

Hibernate  Session–Cache or collection of loaded objects relating to a single unit of work  XDoclet Annotations used to support Att...

With JDBC, developer has to write code to map an object model's data representation to a relational data model and its corresponding da...

Hibernate works very well if your data model is well in sync with object model, because ORM solutions like Hibernate map object to tables....

The unified modeling languege  is a standardized specification language for object modeling. UML is a general-purpose modeling language tha...

Pivot queries involve transposing rows into columns (pivot) or columns into rows (unpivot) to generate results in crosstab format http://...

I have a Host Server running virtual guests. These guests are Windows 2003 Server and Windows 2000 Server. I also have another Server setu...

What is MVC?  Model-View-Controller (MVC) is a design pattern put together to help control change. MVC decouples interface from busine...

What is JSF (or JavaServer Faces A server side user interface component framework for Java technology-based web applications JSF contai...