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New dimensions in UML2.0 The major difference is the enhancement and additional features added to the diagrams in UML2.0 Sequence di...

JavaServer Pages Standard Tag Library (JSTL) encapsulates as simple tags the core functionality common to many Web applications. JSTL has su...

Denormalization Denormalization on the contrary is the process of adding redundant data to speed up complex queries involving multiple ta...

when you use new String("...") you get a new string object. In this example both string literals refer the same object: Strin...

 it’s important not to neglect the mental and emotional preparation that is also necessary Rehearse anticipate some of the questions the ...

Explain the difference between 'my' and 'local' variable scope declarations? Both of them are used to declare local vari...

@variables A variable is defined by the ($) symbol (scalar) the (@) symbol (arrays) the (%) symbol (hashes) Scalar variables ar...

Platform Red Hat Enterprise Linux 5 (RHEL 5) @Locate where the perl is installed.you can try where and which commands [yeniceri@localh...

aspects get executed just before related objects run aspects look like the way triggers work in the database according to spring configu...

Why JPA? A fundamental question for many Java developers is "Why JPA?  Why do I need to know how to use this API when object-rela...

Session and Entity EJBs consist of 4 and 5 parts respetively: 1. A remote interface (a client interacts with it), 2. A home interface ...

What makes J2EE suitable for distributed multitiered applications? The J2EE platform uses a multitiered distributed application model. Ap...

What are the components of J2EE application? Application clients and applets are client components. Java Servlet and JavaServer Pages te...

Are JavaBeans J2EE components? No.JavaBeans components written for the J2EE platform have instance variables and get and set methods for a...

Differences between EJB 3.0 and EJB 2.1 EJB2.0 has Deployment descriptors but in EJB3.0 has no Deployment Descriptors. EJB2.0 we have to...

An EAR file is a standard JAR file with an .ear extension, named from Enterprise ARchive file. A J2EE application with all of its modules is...

Lesson3 Boxing & Unboxing http://www.youtube.com/watch?v=ujbeM5MD84M&feature=autoplay&list=ULr_jhKrpDD5c&playnext=1 ...

Lesson6 Transactions http://www.youtube.com/watch?v=r_jhKrpDD5c&feature=channel&list=UL transaction In computer progra...

GRE Computer Science Question 02 http://www.youtube.com/watch?v=Imfaj84IaWY&feature=relmfu Heaps http://www.youtube.com/watc...

Comparable vs. Comparator interface Classes should implement the Comparable interface to control their natural ordering Use Comparat...

The Difference Between Internet, Intranet, and Extranet http://www.iorg.com/papers/iw/19981019-advisor.html İntranet, sadece belirli bir kur...

Voice over IP (VoIP) commonly refers to the communication protocols, technologies, methodologies, and transmission techniques involved in th...

Threads vs. Processes  processes are independent execution units that contain their own state information, use their own address spaces...

Electrical Engineering and Computer Science http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/

Yazilim Mühendisligi http://eng.harran.edu.tr/~nbesli/ BIL 582 http://sadik.etu.edu.tr/ Dosyalar / Yazilim Mühendisligi http://www.ce...

GRE Computer Science Question 01 40. Consider the following pseudocode program. int i main () { i = 3 S () R () } void S () { p...

Algorithms Lesson 8: Selection Sort http://www.youtube.com/watch?v=6nDMgr0-Yyo&feature=relmfu Selection Sort In computer sc...

Algorithms Lesson 2: Insertion Sort worst case: n^2 http://www.youtube.com/watch?v=c4BRHC7kTaQ&feature=fvwrel Insertion so...

Algorithms Lesson 1: Bubblesort http://www.youtube.com/watch?v=P00xJgWzz2c&feature=relmfu Bubble sort - algorithm and analysis ...

Algorithms Lesson 9: Heaps http://www.youtube.com/watch?v=v1YUApMYXO4&feature=fvwrel Algorithms Lesson 10: Heapsort http://w...

Algorithms Lesson 4: Quicksort http://www.youtube.com/watch?v=y_G9BkAm6B8&feature=relmfu partition step Visualization of Qui...

Primary Key: A primary key is a field or combination of fields that uniquely identify a record in a table, so that an individual record can ...

foreign key - a foreign key is one which will refer to a primary key of another table http://www.allinterview.com/showanswers/15625.html A ...

EXISTS Condition The EXISTS condition is considered "to be met" if the subquery returns at least one row. The syntax for the E...

what is multiprogramming ? Multiprogramming is a rudimentary form of parallel processing in which several programs are run at the same...

CSC 257/457 - Computer Networks (Fall 2008) http://www.cs.rochester.edu/~bukys/csc257-fall2008/ Computer Networks http://ocw.mit.edu/co...

Data Structures - Chapter 3: Tree-part1 http://www.youtube.com/watch?v=7Ac2qNITEYQ&feature=channel&list=UL Tree (data stru...

Linked Lists in 10 minutes - I http://www.youtube.com/watch?v=LOHBGyK3Hbs&feature=related Disadvantages of arrays are -when ele...

Data Structures - Chapter 1: Stack http://www.youtube.com/watch?v=_EyhFWwnvcs Stack is a first in last out data structure you can't...