Sandeep Kumar

A blog By Sandeep kumar

Archive for September, 2010

Do You Believe GOD…

Posted by Sandeep Kumar on September 28, 2010
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Feel Proud To Be An Indian

Posted by Sandeep Kumar on September 21, 2010

* The number of companies listed on the Bombay Stock Exchange, at more than 6,000, is second only to NYSE.

* Four out of 10 Silicon Valley startups are run by Indians.

* With 800 movies per year , India’s film industry overshadows Hollywood.

* The organized lottery market in India is US$7bn (2% of GDP)

* India consumes a fifth of the world’s gold output.

* Indians account for 45% of H1-B visas issued by the US every year

* Growing at 6%, in 25 years Indian GDP(on a PPP basis) will be at the same level the US is at today

* Six Indian ladies have won Miss Universe/Miss World titles over the past 10 years.

* Bank deposits in India roughly equal 50% of its GDP C again, among the highest in the world.

* Indian Railways is the largest railway network in the world under single management

* India has the third largest army in the world, nearly 1.5 million strong.

* India is the largest producer and consumer of tea in the world, accounting for more than 30% of global production and 25% of consumption.

* India is the world’s premier center for diamond cutting and polishing. Nine out of every 10 stones sold in the world pass through India.

* India has the highest number of annual bulk drugs filings (77) with USFDA.

* India is home to the largest number of pharmaceutical plants (61) approved by USFDA outside the US.

* India’s Hero Honda is the world’s largest motorcycle manufacturer, with 2002 production of 1.7m units.

* Other than US and Japan, India is the only country to have built a super computer indigenously.

* Indian Railways is the largest employer in the world, with a staff of 1.6 million people.

* India is the second largest cement producing country in the world, producing more than 110 m tones.

* Of the fortune 500 companies, 220 outsource their software-related work to India.

* There are 8,500 Indian restaurants in the U.K.15% of the country’s total dining-out establishments.

* India is the largest democracy in the world, with nearly 400m voting in the last national elections.

* India has the second-largest pool of scientists and engineers in the world.

* India has the third largest investor base in the world

* According to the Gemological Institute of America, up until 1896, India was the only source of diamonds.

* The Kumbh Mela festival, held every 21 years in the city of Allahabad, attracts 25 million people CE more than the population of 185 of the 227 countries in the world.

* The Indian city of Varanasi, also known as Benares, is the oldest continuously inhabited city in the world today.

* There are 3.22 million Indians in the US.

* Indians are the richest immigrant class in the US, with nearly 200,000 millionaries.

* India is ranked the sixth country in the world in terms of satellite launches.

* There are over 70,000 bank branches in India among the highest in the world.

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How To Get Rid Of Cookies?

Posted by Sandeep Kumar on September 20, 2010

When you visit some website then information about you and the pages you have visited gets stored in HTTP cookies or simply cookies.

What Are Web Cookies?

Cookies The information sent by a website or web server about you to your browser is stored in cookies. Whole of data is stored in your hard disk.

Authenticating sessions, tracking sessions with websites that need log-ins and maintaining preferences like page layout, page size and other features are stored in cookies but the main purpose of cookies is to differentiate users from each other and remembering them. For accessing website’s services, cookies also remember the information like usernames and passwords. Cookies are not executable codes but text files only. Cookies are NOT:

• Spyware or virus

• Only used for advertising purposes

• Causing abusive online ads or pop ups

• Causing spam

As cookies contain important information so these are prone to Cross-site scripting or exploits like XSS and hijacking of cookies through packet sniffing is also possible.

Other use of cookies

All the preferences from choosing language to number of search results per page are stored in cookies. Also information about previously visited websites is also stored in cookies. Due to increase in malicious software and spyware, privacy of cookies has become a concern.

Security and privacy concerns

The web server sends cookies back and forth when you browse any website using cookies. As these cookies contain sensitive information like passwords and usernames which can be intercepted easily and data can be used for illegal means also. Although in modern browsers you can actually accept or reject cookies. Also you may set your browser to automatically reject cookies if you are much concerned about your private data. However some websites may not work properly if you disable cookies all the time. So the best option is to get rid of cookies each time you are done surfing.

Getting rid of cookies

You don’t need to download any kind of software as it is easier to remove cookies. Different browsers and user accounts store cookies differently. So to get rid of cookies you need to open each browser in each account. You can remove cookies if you are using internet explorer by following means:

1. After opening Internet Explorer, go to tools menu and make sure only one instance of the program is running.

2. Click on “Internet Options”.

3. Click “Delete cookies” on general tab.

4. After that click OK.

You can also do this by right clicking Internet Explorer icon and selecting properties and then following step 3 and 4 to delete cookies.
In case of Firefox, you can do following:

1. After opening Firefox click on “Tools” menu.

2. Select “Options”.

3. Click on “Privacy tab” and then click on “Clear Private Data” button.

4. Make sure you select the check box for cookies after a small menu appears. After that click on OK.

To automatically delete cookies and private data, you can press CTRL+SHIFT+DEL in Firefox. This will remove all private data and cookies when you close the browser. By following ways, you can do this:

• Go to tools and then click Options.

• Click on privacy tab and click on the box that shows “Always clear my private data when I close Firefox”.

• Then click on settings and see if check box of cookies is checked.

To access secure connections you may also avoid shared or public computers. If not then clear the cookies after surfing. You may also request the owner to remove cookies if the access is restricted. You need to be careful as hackers can easily steal cookies and use them for illegal purposes.

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What Is HTML?

Posted by Sandeep Kumar on September 18, 2010

Regular user of the Internet will see the letters HTML occasionally but most of them have no idea what the letters stand for. This doesn’t present a problem because most end-users of the Internet and computers don’t really need to know what HTML is.

HTMLBut it may be interesting to many to learn just a little bit more about it. These four letters stand for Hyper Text Markup Language. While this may seem like a confusing name, what HTML actually does is provide the language for Web pages. It’s a system that allows people to give online documents the need structure. Guidelines in HTML determine where and how paragraphs, lists, links etc. are used.

But this system does more. It also allows Web-page creators to put photos and other graphic elements in pages. This is called embedding. The key to success with HTML is the use of tags that are set apart in the code by brackets. Essentially, these are the instructions for what will appear on the finished page.

Wikipedia describes HTML as “the encoding scheme used to create and format a web document.” A man named Tim Berners-Lee is credited with an original idea that led to HTML (1980). A few years later he proposed a system that included the word “hypertext” in its description. He is credited with writing the software program for servers and Web browsers in 1990.

It has been about 18 years since the public was first introduced to HTML and the idea of “tags.” Berners-Lee and his associates presented a basic design for the language that contained fewer than two dozen “elements.” Some of these original pieces are still part of HTML today. The hypertext language is now one of the international standards for Web-based communication.

One of the remarkable things about HTML is that it not only gives experienced Web designers and programmers the tools they need, it also is rather easy for the “layman” to use. It’s not a programming language like Perl, Java or even Basic. At its most basic level, a Web page is made of HTML and images. One of the best descriptions of the language includes the idea that HTML holds all the page elements together, in addition to containing the text for the page.

For example, the HTML guidelines for a Web page would contain with the specific instructions showing up between the angle brackets. The Web browser is instructed to present the text or object in whatever way is described there. Those who are learning to use HTML have access to the “code” behind a page. Yes, you may view the HTML source of the pages you’re looking at!

HTML code can be written with or without one of the “editor” programs available. A simple text editor will work as well. It’s important with either method to use the beginning and ending brackets – and put the tag name, attributes and values between them. One of the best ways to learn how to use HTML is to look at a lot of code and compare the instructions with what you see on the finished page.

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How To Get Rid Of Overheating CPU?

Posted by Sandeep Kumar on September 17, 2010

For smooth running of the computer you should make sure it is working correctly. Although you may have the right software for your PC but another aspect to deal with is Overheating. When the computer is in running state, it generates heat. All the components like hard disk, motherboard, video card and processor generates heat. Heat dissipation increases with increase in hardware.

Cooling systems

cpu overheatingFans and heat sinks are the cooling systems installed by computer manufacturers to reduce heat produced. Over clocked machines or high-end systems may have customized systems that include liquid or gas cooling. Heat is dissipated by drawing it with the help of heat sink. Cool air is passed by the fan attached to heat sink. Fans are of two types: one that blows air out and the other blows in. Fans that blow air inwards are attached to heat sinks and while the fans attached to CPU have two fans. One blows in and other blows out.

Causes of overheating

• Over clocking – To increase the performance and speed over clocking is done. It causes more heat due to modification of the frequency and voltage of the device. The system will overheat if over clocked systems does not have customized or high-performance cooling systems.

• Malfunctioning or blocked fans – Generally fans are attached to components like video cards, processor and CPU case. Even if one or all of them gets malfunctioned or blocked, much heat is produced as insufficient air blows in or out. Halt in working of fans may be caused by dust, dirt or other particles.

• CPU location – A cooling system may become useless if heat is not able to escape. This happens in cases when the computer is located at a congested area as airflow is also restricted.

• Improper airflow – Overheating can also be caused by improper arrangement of cables and other components inside the CPU case.

The dangers of CPU overheating

• Shortens life span of components – Overheating can shorten the life span of components. E.g. overheated video cards have less life as compared to normal ones.

• Consume lot of electricity – Overheated device consumes more electricity due to reduced efficiency.

• Melt your device – Plastic components may get melted due to overheating. E.g. a blocked fan may melt the socket or motherboard.

• Causes fire – Shells and cables may catch fire because of melting caused by overheating.

Common signs of overheating

• Frequent shutdowns

• Noisy fans

• Hot exhaust

• Frequent and sudden restarts

Getting rid of overheating

Increase in consumption of electricity is another drawback of overheating. Tips to prevent overheating:

• Invest in better cooling system – An efficient cooling system should be used in case of high end systems. You can either buy pricey gas or water cooling systems, or buy heavy duty fans.

• Clean the CPU regularly – Fans and openings are blocked by dust and dirt. So you should clean your PC with brush or a portable vacuum cleaner.

• Let the CPU breathe – The CPU must not be placed inside a closed cabinet or under a tight desk. It should be placed in an area where cool air can get inside and hot air can blow out.

• Rearrange the cables –Cables should be arranged in such a way that they do not restrict air from cooling system. Hard drives should be placed apart in the case. Use round type cables instead of flat IDE cables.

A temporary fix

You can open the case for some time if you do not have enough cash to buy cooling system. When the system is running you should place the electric fan in front of it to cool the system down. Remember to replace the case after you turn off the computer so that dirt particles cannot enter inside.

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One Of The Best Videos

Posted by Sandeep Kumar on September 16, 2010

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What Is PHP?

Posted by Sandeep Kumar on September 16, 2010

PHP is the shortened form referring to a hypertext preprocessor, a computer scripting language used for development of Web pages. The primary focus of PHP is giving Web pages a more “dynamic” look and feel. Developers have successfully used PHP with hypertext markup language (HTML), embedding PHP into HTML.

Most of the functions of this preprocessor language work on a server that is specifically set up to use the code. When properly used, PHP creates usable content for Web pages. According to Wikipedia, PHP is installed on over 20 million websites and 1 million Web servers.

PHPDavid Sklar and Adam Trachtenberg define PHP as a “server-side scripting language.” According to this duo, Web pages are created with PHP and HTML. A crucial comparison is made by Sklar and Trachtenberg as well. “When a visitor opens the page, the server processes the PHP commands and then sends the results to the visitor’s browser, just as with ASP or ColdFusion.”

A man named Rasmus Lerdorf is credited with creating the first version of PHP, though the scripting language has been improved and developed in the years since the mid-1990s. PHP is considered “free” software though there is a PHP license. Wikipedia also states that “PHP has evolved to include a command-line interface capability and can also be used in standalone graphical applications.”

The letters “PHP” actually indicated “personal home page” before the work of Lerdorf a couple of years later brought it to more notice. Lerdorf wrote the code using the programming language “C.” The language helped the programmer display information in a more appealing manner. It also did something even more important. Lerdorf was able to track how many people were viewing the page. This was one of the earlier uses of Internet traffic measurements.

One development led to extended use as a way to find “bugs” in code and improve the quality of code. Two programmer/developer experts from Israel made major changes and improvements in PHP in the year or two following Lerdorf’s work. First referred to PHP3, the developments led to an entirely new technology company by 1999.
The most current version of this scripting language is PHP6, after developers moved through PHP 4 and PHP5. The Zend Engine that came from the work of the Israeli developers is the power for the continuing changes and improvement.

Much of the latest work with PHP quality involves addressing security issues and some of the items that were unpredictable at best. More information about these crucial changes can be found by researching “magic quotes” and “safe mode.”

Academic literature and encyclopedia entries show that high-profile, open-source projects “ceased to support PHP4 in new code” after February 2008. (Wikipedia) This provided incentive to move to PHP5. Developers have created Unicode to allow users to employ their computers in any language, a problem for PHP until PHP6. Programmers have also worked with issues in 32-bit and 64-bit environments.

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Hi Friend

Posted by Sandeep Kumar on September 14, 2010

HI Friend

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Challa Gurdas Mann

Posted by Sandeep Kumar on September 13, 2010

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Mahi Menu Yaad Aa Gaya

Posted by Sandeep Kumar on September 12, 2010

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