Virtualization You probably know a little about virtualization if you have ever divided your hard drive into different partitions. A partition is the logical division of a hard disk drive to create, in effect, two separate hard drives. Operating system virtualization is the use of software to allow a piece of hardware to run multiple [...]
Google Voice is about giving you more control over your communications, through dozens of features — ranging from call screening to voicemail transcription to the ability to send and receive SMS by email. While we’ve heard from users that they love our growing list of features, we’re conscious of the fact that Google Voice can [...]
What problem does RSS solve? Most people are interested in many websites whose content changes on an unpredictable schedule. Examples of such websites are news sites, community and religious organization information pages, product information pages, medical websites, and weblogs. Repeatedly checking each website to see if there is any new content can be very tedious. [...]
How do I find out if a website has an RSS feed? The special XML-format file that makes up an RSS feed is usually created in one of a variety of ways. It is getting more and more common for websites to have RSS feeds. They usually indicate the existence of the feed on the [...]
The IObit Random Password Generator enables you to produce strong, not easy to crack, passwords for privacy protection – for free. The tool can store randomly generated passwords in the database and allow you to add an ID for the password and editable remark to remind you where the password shall be used.
Web site owners use the /robots.txt file to give instructions about their site to web robots; this is called The Robots Exclusion Protocol. It works likes this: a robot wants to vists a Web site URL, say http://www.example.com/welcome.html. Before it does so, it firsts checks for http://www.example.com/robots.txt, and finds: User-agent: * Disallow: / The “User-agent: [...]
The “/robots.txt” file is a text file, with one or more records. Usually contains a single record looking like this: User-agent: * Disallow: /cgi-bin/ Disallow: /tmp/ Disallow: /~joe/ In this example, three directories are excluded. Note that you need a separate “Disallow” line for every URL prefix you want to exclude — you cannot say [...]
What is PayPal PayPal is an e-commerce business allowing payments and money transfers to be made through the Internet. PayPal serves as an electronic alternative to traditional paper methods such as checks and money orders. A PayPal account can be funded with an electronic debit from a bank account or by a credit card. The [...]
What is Cookie? Cookie is small information stored in text file on user’s hard drive by web server. This information is later used by web browser to retrieve information from that machine. Generally cookie contains personalized user data or information that is used to communicate between different web pages Why Cookies are used? Cookies are [...]
Generally two types of cookies are written on user machine. 1) Session cookies: This cookie is active till the browser that invoked the cookie is open. When we close the browser this session cookie gets deleted. Some time session of say 20 minutes can be set to expire the cookie. 2) Persistent cookies: The cookies [...]
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