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Uniform Resource Locator(URL) URL strings consist of three parts Network protocol Host name or address File or resource location These substrings are separated by special characters as follows: protocol :// host / location URL Protocol The 'protocol' substring defines a network protocol to be used to access a resource. These strings are short names followed by the three characters '://' (a simple naming convention to denote a protocol definition). Typical URL protocols include http://, ftp://, and mailto://. Now check out the URL of this page (the one that is displayed in the address(navigation) bar).What does that say ?What we are going to discuss is HTTP and HTTPS which have a role to play in our follow up post... HTTP: HyperText Transfer Protocol Used by browsers for fetching Web data from servers. Because of its universal availability (e.g., firewalls don't interfere) has become widely used as a general-purpose protocol for network communication. Simple ...

Recently I came to know about this, the homepage of Digg contains a "Secret Message" . This secret message is in the source code of the Home Page of the website in the form of a comment at the very bottom .After analyzing the code it seems that some physics-lover has worked on the code of the website.The message is ::: This line is a comment and thus not visible on the website but can easily be seen in the source code of the homepage.These are not just random numbers but are a result of very smart physics work done at the Digg labs. What is the significance of these numbers ? Take a guess (Hint :: Relate these numbers to physics)... OK,here is the answer..... 2.01355321270u :: This is the atomic mass of the hydrogen isotope known as D euterium. 137.03599911 :: This is a complicated one and really a geek in physics can figure this out.This is I nverse of the Sommerfield fine-structure constant. 6.6742x10-11m3kg-1s-2 ::The last two numbers are the same.This one is v...

Here are some tips and tricks for Firefox users to customize their favorite browser.Check them out:: 1.Keyboard shortcuts:: These shortcuts will give you a better browsing experience Spacebar ->page down Shift + Spacebar ->page up Ctrl + F ->find Alt + N ->find next Ctrl + D ->bookmark page Ctrl + T ->new tab Ctrl + K ->go to search box..... Ctrl + L ->go to address bar Ctrl + = / Ctrl + + ->increase text size Ctrl + - decrease text size Ctrl + 0 ->default text size Ctrl + W ->close tab F5 ->reload Alt + Home ->go to home page 2.Auto Complete:: This is yet another feature of Firefox that is widely used. Go to address bar and write only the name of the site you want to open say for example Google and then press Control-Enter ->(for "www.google.com") Shift-Enter ->(for "www.google.net") Control-Shift-Enter ->(for "www.google.org") 3. Tab navigation:: Ctrl+Tab (rotate forward among tabs) Ct...

Recently while going through some sites I came across e books of some great writers like Sidney Sheldon ,Dan Brown,Paulo Coelho etc.So i thought to collect all these links together and publish them to my blog for easy access for my readers.I will update this section as I will get some other e books.So check out these links:: Sidney Sheldon The plot of the book spans six generations, and it is based upon the fictional lives of the Blackwell family. The book follows the life of an entrepreneur, Kate Blackwell, and explores her family, ancestry and life. It focuses on the building of her father's company, from a small business into a multinational corporation Download Link:: Master of the game This is a story of intrigue and revenge. Tracy Whitney is young, beautiful and intelligent - and about to marry into wealth and glamour. Until, suddenly, she is betrayed, framed by a ...

Clickjacking is a term used by two security experts Robert “RSnake” Hansen and Jeremiah Grossman to define a new major web attack that could potentially affect millions of web users.This threat exploits the bug that is present in "One of the Adobe products" but Jeremiah and Robert believe that the clickjacking flaw ultimately lies in the way that Internet browsers are designed.According to Grossman "If I control what you click on, how much bad can I do? It turns out you can do a number of really, really bad things." What makes the attack noteworthy is that this attack is compatible with all browsers and their all versions be it Firefox,IE,Opera,Safari or any other browser.Jeremiah and Robert were going to demonstrate this attack on Open Web Application Security Project (OWASP) in New York City this week but on Adobe's request they postponed their demonstration so that the Adobe can contact all web browser vendors and can release a patch for this exploit....

In order to permanently delete data the only way is to destroy the hard drive ?Can we save the Hard Drive for future use destroying permanently the data?Can we recover data from a hard drive that has been overwritten with zeros once? This is what The Great Zero Challenge is all about.It starts with the line:: It is noble and just to dispel myths, falsehoods and untruths The challenge is organized by a firm in US named 16 systems and any established, professional data recovery company within USA can participate.Data recovery companies were contacted and the response of one of them was According to our Unix team, there is less than a zero percent chance of data recovery after that dd command. The drive itself has been overwritten in a very fundamental manner. However, if for legal reasons you need to demonstrate that an effort is being made to recover some or all of the data, go ahead and send it in and we'll certainly make an effort, but again, from what you've told us, our eng...

Google has announced the winners of the first phase of the Android Developer Challenge a contest to create apps for Google's Android mobile operating system.Here are some of the ideas whose creators received $275,000 :: Cab4me : Helps you to find a taxi. CompareEverywhere : A price comparison engine and review reader. Ecorio : Aims to track your carbon footprint. GoCart : Lets you scan a product barcode to then find out where to buy this near-by. Life360 : This seems to be a social network for your neighborhood to post important alerts (like “dog ran away” or “house on fire”). Locale : This tool automatically changes your phone’s setting based on where you are. (Not novel, but perhaps useful.) PicSay : A picture editor which comes with color correction, distortion tools and more, as well as sharing features. Softrace : Compare with others around the world in physical activities like racing. TuneWiki : A self-proclaimed social media player, with synchronized ...

For all those Google fans and critics here is a new project from Google , GOOGLE CHROME , an Open Source web browser.There have been rumors that Google was going to release its own browser. Now, thanks to Google Blogoscoped , we have some additional evidence: a 38-page comic book sent out by Google and drawn by no less than Scott McCloud, creator of the classic Understanding Comics , to announce the Google Chrome project. The features depicted in the comic book are:: Its an Open Source project based on Webkit rendering engine and includes Google Gears project. The browser will contain a JavaScript Virtual Machine called V8 . Like Mozilla it will include tabbed browsing but the position of the tabs will be on the upper side of the window, not below the address bar. The browser has an address bar with auto-completion features.and is called ’omnibox’ that resembles Firefox’s “Awesome bar” . The browser will include Speed Dial feature as in Opera. Chrome has a privacy ...

Yahoo Buzz ,a Digg -like service that launched on February 25 , is now open to all website owners and publishers.The beta test was limited to a few popular websites ( webmasters and bloggers kept joining the waiting list.At last it was opened for all on 18/08/08 . Anyone can now add Buzz buttons to their site which will allow readers to vote up the stories in various categories. However, voters will require a Yahoo! ID to submit and buzz the story. But once you start buzzing and voting, you can keep track of all your buzzing activity. When you buzz a story, they offer a cool alert with related stories too.The big benefit for publishers is that top Buzz stories are linked from the Yahoo home page, which turns a fire hose of traffic onto a story. When those stories hit the home page there’s a good chance that the linked site will have a record day in traffic. Yahoo says they’ve sent 16 million visitors to outside sites in those first two weeks. Yahoo is still ramping up the number of li...

Google is the soul of Internet but still for some netizens who want to get out of the google-grip.Here are some alternatives :: 1. Thunderbird Thunderbird is right behind it in terms of usefulness, functionality, speed and extensibility. Thunderbird, although not an online app, is a great alternative to Gmail . 2. 30 Boxes . Although the simple and fast Gcal meets all needs perfectly, 30 boxes is just as fast and easy, and is loved by many. If Gcal didn’t integrate with Gmail, people would probably be using 30 Boxes. 3. Netvibes . Netvibes can not only hold all of your feeds in an organized way, it can replace both Reader and Google Personalized Homepage . A great way to organize all your favorite services in a personalized way. 4. Zoho Office Suite . Perhaps the best online alternative to the Google Docs & Spreadsheets , Zoho has just about everything you’d ever need: a spreadsheet, word processor, presentation program, project manager, notebook, wiki, web conferencing, mail, c...

Apart from Firefox , Opera and Internet Explorer there is a number of promising alternatives which can improve your flexibility, increase your productivity and enrich your browsing experience.Most of them make use of the rendering engines Trident (Internet Explorer), Gecko (Mozilla Firefox), WebCore (Safari) and Presto (Opera 7 and above). However, some of them offer large fields for experiments and exploration — e.g. 3D Engines, but also really useful browsers with advanced functionalities such as desktop-tools integration.Lets check it out.... Flock (Win/Mac/Linux) What makes Flock unique is its ability to improve the productivity of bloggers. E.g. you can publish your blog posts directly from your browser-window — a WYSIWYG-editor is preinstalled by default. You can also use a Web-Clipboard, Photo Uploader, a Mediabar for Flickr-Fotos etc. Safari (Mac / Win) Safari belongs to Mac OS X just as Internet Explorer belongs to Windows.Since the mid 2007 Safari, with its elegant aqua ...

ASYMMETRIC COMMUNICATIONS: Asymmetric communication refers to the type of communication in which the speed or quality of data transfer is different in both the directions. This usually happens when browsing the Internet. The traffic coming into the user's system is very high as compared to the traffic leaving the system. In the case of symmetric communication, the transfer speed in both the directions is the same. This occurs when people communicate through video conferences or the telephone. NUKING: Nuking is a hacker's technique of causing the Windows operating system to crash, or suddenly terminate by using malicious network data packets. An out of band network packet that the operating system can't process is sent to the target system. This packet is called a 'blue bomb', or 'WinNuke' when Windows crashes, you see the dreaded BSOD (blue screen of death). Blue bombs are sometimes sent by multiplayer gamers about to lose a game, or by an IRC (Internet Rela...

OpenID starts with the concept that anyone can identify themselves on the Internet the same way websites do - with a URI. Since URIs are at the very core of Web architecture, they provide a solid foundation for user-centric identity. The first piece of the OpenID framework is authentication -- how you prove ownership of a URI. Today, websites require usernames and passwords to login, which means that many people use the same password everywhere. With OpenID Authentication, your username is your URI, and your password (or other credentials) stays safely stored on your OpenID Provider (which you can run yourself, or use a third-party OpenID "identity provider" (IdP) ). OpenID is increasingly gaining adoption among large sites, with organizations like Google, Microsoft,IBM,Verisign,Yahoo,AOL and Orange acting as providers. In addition, integrated OpenID support has been made a high priority in FIREFOX 3 and OpenID can be used with Windows CardSpace . ...