Making image rollover effect

 <a href="URL ADDRESS"><img src="URL OF THE FIRST IMAGE GOES HERE" onmouseover="this.src='URL OF THE SECOND IMAGE GOES HERE'" onmouseout="this.src='URL OF THE FIRST IMAGE GOES HERE'" /></a>

ENERGYNOMICS: Energy savings

ENERGYNOMICS: Energy savings: http://energynomics.in/ Not so long ago LED technology was expensive. It no longer is. Home Lighting:  Energynomics has introdu...

ENERGYNOMICS: Energynomics Greentech is a specialist in innovati...

ENERGYNOMICS: Energynomics Greentech is a specialist in innovati...: Energynomics Greentech is a specialist in innovative energy solutions. Our Vision: "Better energy management for a better world&...

ENERGYNOMICS: Path breaking energy management solutions for a gr...

ENERGYNOMICS: Path breaking energy management solutions for a gr...: Driven by a national need, founded by a team of senior professionals from the power and energy sector, Energynomics Greentech is a specialist in innovative energy solutions.

With widespread urbanization and growing demand for power and energy, the need of the hour is to develop smarter solutions for both urban and rural India.

• Our Vision: "Better energy management for a better world"
• Our Mission: "Help our customers conserve power/electricity through innovative cost effective energy management solutions"
• Our Values:
• –  "Work with dedication and passion."
• –  "The customer is at the heart of our business."
• –  "Lead by innovation. Innovation can come in many forms, not just technology."

How to install WAMP Server to run PHP ?

Installin WAMP Server to run PHP:

1. Goto www.wampserver.com and download WAMP Server.
    
2. Just install it like other softwares by just clicking next next...
    
3. Now go to START menu of windows and start wampserver.
   Generally, the path is Start -> WapmServer -> start WampServer
    
4. Open your web browser and type http://localhost (or http://127.0.0.1 )  
   If you see a default WampServer Home Page, you installation is success.
    
5. Now put your php code in www folder in your wamp installation directory.
   Usually this is C:\wamp\www
    
6. Now type http://localhost/filename.php in your browser.   (where filename is your php file name)
     
   It will execute your php code.. Thats it...

How To Install Lyrics Plugin For Windows 8 Media Player

How To Install Lyrics Plugin For Windows                 8 Media Player [Tip]                                                  by:- Vijay Kumar

Windows Media Player is widely used to not only manage huge music collection, but also tocreate and share music playlists across the Homegroup users. Although Windows MediaPlayer provides an easy way to organize music playlists, share media files with network usersand automatically manage music files in pre-defined categories, it doesn’t come with anoption to automatically download and display lyrics of songs. If you’ve been looking for alyrics plugin for Windows 8 Media Player, give Lyrics Plugin a try. It’s lightweight lyricsplugin for Windows Media Player that also supports the latest version – Windows MediaPlayer 12. Unlike other media player lyrics plugins, it doesn’t require following a lengthyprocess to integrate the plugin; just run the installer and it will automatically add the plugin toWindows Media Player.All you need is to install the plugin, play a song from playlist, and it will fetch and show youthe lyrics of current song in Now Playing mode. Lyrics Plugin automatically adds plugin fileinto Windows Media Player Plugins folder, but if you haven’t installed any plugins, then youmight need to create Plugins folder manually. Just navigate to C:\Program Files
(x86)
\Windows Media Player\folder, and then create a Plugins folder. Once done, open thefolder and then install the lyrics plugin. When the plugin is installed, check whether it createdthe DLL file in Plugins folder or not.After verifying the DLL file, launch Windows Media Player, play your favorite song fromlibrary, and then switch to Now Playing mode to view the lyrics.Lyrics Plugin adds lyrics window to Now Playing window, and therefore it doesn’t

automatically scroll the page as currently playing track progresses. Another caveat is, it often

fails to show the lyrics of the song, and sometimes, it displays translated version of lyrics.Nevertheless, the plugin supports adding lyrics of your favorite songs manually.

Download Lyrics PluginIf you’re looking for a feature-rich lyrics plugin for Windows 8 Media Player that canidentify the track total time and auto-scroll the page with the song, then have a look at

MiniLyrics.

Data Structures > Interview Questions And Answer:-

 Data Structures > Interview Questions And Answer :-

========================================================================

1. What is data structure?

A data structure is a way of organizing data that considers not only the items stored, but also their relationship to each other. Advance knowledge about the relationship between data items allows designing of efficient algorithms for the manipulation of data.

2. List out the areas in which data structures are applied extensively?

1. Compiler Design,
2. Operating System,
3. Database Management System,
4. Statistical analysis package,
5. Numerical Analysis,
6. Graphics,
7. Artificial Intelligence,
8. Simulation

3. What are the major data structures used in the following areas : RDBMS, Network data model and Hierarchical data model.

1. RDBMS = Array (i.e. Array of structures)
2. Network data model = Graph
3. Hierarchical data model = Trees

4. If you are using C language to implement the heterogeneous linked list, what pointer type will you use?

The heterogeneous linked list contains different data types in its nodes and we need a link, pointer to connect them. It is not possible to use ordinary pointers for this. So we go for void pointer. Void pointer is capable of storing pointer to any type as it is a generic pointer type.

5. Minimum number of queues needed to implement the priority queue?

Two. One queue is used for actual storing of data and another for storing priorities.

6. What is the data structures used to perform recursion?

Stack. Because of its LIFO (Last In First Out) property it remembers its 'caller' so knows whom to return when the function has to return. Recursion makes use of system stack for storing the return addresses of the function calls.

Every recursive function has its equivalent iterative (non-recursive) function. Even when such equivalent iterative procedures are written, explicit stack is to be used.

7. What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms?

Polish and Reverse Polish notations.

8. Convert the expression ((A + B) * C - (D - E) ^ (F + G)) to equivalent Prefix and Postfix notations.

1. Prefix Notation: - * +ABC ^ - DE + FG
2. Postfix Notation: AB + C * DE - FG + ^ -

9. Sorting is not possible by using which of the following methods? (Insertion, Selection, Exchange, Deletion)

Sorting is not possible in Deletion. Using insertion we can perform insertion sort, using selection we can perform selection sort, using exchange we can perform the bubble sort (and other similar sorting methods). But no sorting method can be done just using deletion.

10. What are the methods available in storing sequential files ?

1. Straight merging,
2. Natural merging,
3. Polyphase sort,
4. Distribution of Initial runs.

11. List out few of the Application of tree data-structure?

1. The manipulation of Arithmetic expression,
2. Symbol Table construction,
3. Syntax analysis.

12. List out few of the applications that make use of Multilinked Structures?

1. Sparse matrix,
2. Index generation.    

13. In tree construction which is the suitable efficient data structure? (Array, Linked list, Stack, Queue)

Linked list is the suitable efficient data structure.

14. What is the type of the algorithm used in solving the 8 Queens problem?

Backtracking.

15. In an AVL tree, at what condition the balancing is to be done?

If the 'pivotal value' (or the 'Height factor') is greater than 1 or less than -1.

16. What is the bucket size, when the overlapping and collision occur at same time?

One. If there is only one entry possible in the bucket, when the collision occurs, there is no way to accommodate the colliding value. This results in the overlapping of values.

17. Classify the Hashing Functions based on the various methods by which the key value is found.

1. Direct method,
2. Subtraction method,
3. Modulo-Division method,
4. Digit-Extraction method,
5. Mid-Square method,
6. Folding method,
7. Pseudo-random method.

18. What are the types of Collision Resolution Techniques and the methods used in each of the type?

1. Open addressing (closed hashing), The methods used include: Overflow block.
2. Closed addressing (open hashing), The methods used include: Linked list, Binary tree.

19. In RDBMS, what is the efficient data structure used in the internal storage representation?

B+ tree. Because in B+ tree, all the data is stored only in leaf nodes, that makes searching easier. This corresponds to the records that shall be stored in leaf nodes.

20. What is a spanning Tree?

A spanning tree is a tree associated with a network. All the nodes of the graph appear on the tree once. A minimum spanning tree is a spanning tree organized so that the total edge weight between nodes is minimized.

21. Does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?

No. The Minimal spanning tree assures that the total weight of the tree is kept at its minimum. But it doesn't mean that the distance between any two nodes involved in the minimum-spanning tree is minimum.

22. Which is the simplest file structure? (Sequential, Indexed, Random)

Sequential is the simplest file structure.

23. Whether Linked List is linear or Non-linear data structure?

According to Access strategies Linked list is a linear one.
According to Storage Linked List is a Non-linear one.