Ramanean’s Blog

IPv6 or Internet Protocol Version 6 is the next generation protocol for the Internet. It’s designed to provide several advantages over current Internet Protocol Version 4 (or IPv4).

Both IPv6 and IPv4 define network layer protocol i.e., how data is sent from one computer to another computer over packet-switched networks such as the Internet. IPv6

Specifically, IPv6 contains addressing and control information to route packets for the next generation Internet.We believe that the expansion of the Internet is important and upgrades are sometimes warranted.

Gathering information concering every aspects of IPv6 we would hope to provide knowledge about this technology so everyone can benefit. It is therefore also called the Next Generation Internet Protocol

By Ipv6 we can do a lot of things

The main benefits are
1) Increased address space
2) More efficient routing
3) Reduced management requirement
4) Improved methods to change ISP
5) Better mobility support
6) Multi-homing
7) Security

With this Ipv6 each one on this world can have 5x(10^28) addresses…!

Really this is a great thing Once IPv6 comes it would provide more security along with more addresses..

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<?php
$rest = substr(”ramanean”, -1);    // returns “n”
$rest = substr(”ramanean”, -2);    // returns “an”
$rest = substr(”ramanean”, -3, 1); // returns “n”
?>
Another example of Sub string

<?php
$rest = substr(”ramanean”, 0, -1);  // returns “ramanea”
$rest = substr(”ramanean”, 2, -1);  // returns “manea”

?>

Substrings are very useful and can be used to strip out certain characters from a word.For example:http:// from a website’s address etc., and also there is another function called sub string replace is there which is related to sub string.

Substr_replace() is a function which will help you to replace sub string characters in a word.For example http://rediff.com can be replaced by www.rediff.com etc.,

Usually a website will be visited by a lot of people across the globe.To know whether your site is popular or not ,you need to know how many people visited your site and how they came to know about your site.A website may get visitors from Search Engines,links ,Social bookmarking sites and So on.

To know particular who referred to your site you can go for analytics or you can given the simple code given below to know about where your visitors came from and whether the links you purchased brings a good amount of visitors or not?

Here is the code

<?php

$referer=$_SERVER[’HTTP_REFERER’];
echo $referer;

?>

Nowdays instead of going for analytics you can go for your own system to find the ip address of the visitors.Here is a simple code that will get you the ip address of the visitor to your site.

<?php

$ip=$_SERVER[’REMOTE_ADDR’];

echo $ip;

?>

Also you can use database from geobytes.com and other sites to know about visitor’s country using the ip address

URL Error (23000148): An error has occured while trying to browse through the proxy.
Failed to connect to the specified host. Possible problems are that the server was not found, the connection timed out, or the connection refused by the host. Try connecting again and check if the address is correct.

If this error occurs in your proxy or web server.Just Restart the web server.This would solve any problems.This error occurs due to network problems in the connection port.

Here is the little code that will help you to remove Javascripts from a page using php

<?
$file=file_get_contents(”http://www.ramanean.com”);

$file = preg_replace(’#<\s*script[^>]*?>.*?<\s*/\s*script\s*>#si’, ”, $file);

echo $file;
?>

Now the web page will be displayed without javscripts

DON’T CHALLENGE MECHANICAL FOR IT.

General Motors REPLY TO BILL GATES
At a recent computer expo (COMDEX), Bill Gates reportedly compared the computer industry with the auto industry and stated,
“If GM had kept up with technology like the computer industry has, we would all be driving $25.00 cars that got 1,000 miles to the gallon.”

In response to Bill’s comments, General Motors issued a press release Stating:
“If GM had developed technology like microsoft, we would all be driving cars with the following characteristics
1. For no reason whatsoever, your car would crash twice a day.
2. Every time they repainted the lines in the road, you would have to buy a new car.
3. Occasionally your car would die on the freeway for no reason. You would have to pull to the side of the road, close all of the windows, shut off the car, restart it, and reopen the windows before you could continue. For some reason you would simply accept this.
4. Occasionally, executing a maneuver such as a left turn would cause your car to shut down and refuse to restart, in which case you would have to reinstall the engine.
5. Macintosh would make a car that was powered by the sun, was reliable, five times as fast and twice as easy to drive - but would ! run on only five percent of the roads.
6. The oil, water temperature, and alternator warning lights would all be replaced by a single “This Car Has Performed an Illegal Operation” warning light.
7. The airbag system would ask “Are you sure?” before deploying.
8. Occasionally, for no reason whatsoever, your car would lock you out and refuse to let you in until you simultaneously lifted the door handle, turned the key and grabbed hold of the radio antenna. (Read CTR-ALT-DEL)
9. Every time a new car was introduced car buyers would have to learn how to drive all over again because none of the controls would operate in the same manner as the old car.
10. You’d have to press the “Start” button to turn the engine off. “

This is one of the best jokes I have ever seen.