Rajesh

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27/01/2014

Circus Social Development Team is doing good!

27/01/2014

Singapore50 celebration started!

Why do we do the things we do? Despite our best attempts to "know thyself," the truth is that we often know astonishingl...
23/01/2014

Why do we do the things we do? Despite our best attempts to "know thyself," the truth is that we often know astonishingly little about our own minds, and even less about the way others think. As Charles Dickens once put it, “A wonderful fact to reflect upon, that every human creature is constituted to be that profound secret and mystery to every other.”

U men thoughts
23/01/2014

U men thoughts

All humans can trace their family tree back to a surprisingly small group of common ancestors. Every person on Earth's most recent common ancestor might have died less than 2000 years ago.

22/01/2014

Syria peace conference Geneva II begins in Switzerland

A major conference aimed at finding a solution to the three-year conflict in Syria, which has left 100,000 dead, is starting in Switzerland. (by BBC)

21/11/2013

What women in Bangalore want: Safety, cleanliness and freedom

Bangalore is safe, but not safe enough. At least, that seems to be what the majority of women living in the city believe, based on a study commissioned by The Times of India. The study, which is based on a survey of 900 women conducted by IMRB in six cities across the country, looked at various issues faced by women, beginning with safety, services available, gender issues at home and the workplace, health and financial issues. It shows that while women feel relatively safer in Bangalore compared to other cities, in absolute terms, opinions are divided. An overwhelming 64% of the city's women said they do not feel safe in the city after sunset, and only 17% said they felt safe "at any time of the day."

Some parts of the city are perceived to be less safe than others. The Marathahalli Ring Road area, for instance, is perceived to be either "unsafe for women" or "very unsafe for women" by more than a third of those surveyed. "The stretch of Outer Ring Road between Marathahalli and Bellandur, where I live, is definitely underlit and possibly unsafe. The few times I've had to wait alone at Marathahalli junction for a bus or auto haven't been pleasant," says Ankita Sharma, who works in an HR firm in Brookefield and travels by public transport. Sharma says there are no street lights in this area and the operators of private vehicles soliciting passengers can get rude and hostile. "After the Delhi r**e incident, I became especially wary of these private vehicles. I don't know if any of them have proper licenses and whether the police keeps an eye on them," she adds.

Other areas where women felt "unsafe" or "very unsafe" included Kengeri Road and the stretch between BEL Road and Vidyaranyapura. Even the morning stroll, so long a part of the Bangalorean's day, seems to have become fraught. More than half the women (53%) IMRB spoke to felt unsafe during their morning walks. An increasing number of women feel so insecure that they have begun contemplating carrying a weapon - 42% of the respondents said that they "felt the need to carry a weapon/article of self-defence". This seems to be part of a larger national trend. Despite a larger percentage of women feeling safer in Mumbai, 63% of Mumbai women wished that they were armed as did a majority of women from Pune and Calcutta. The majority of respondents from Chennai and, astonishingly, Delhi, felt they did not need articles of self-defence.

A quarter of the women surveyed have faced offensive behaviour on the streets of Bangalore, but only half of them reported the behaviour to the police. "If you approach a policeman saying someone is harassing you, they will advise you to let it go. You'll be told 'yake galate madabeku?' And it's not just the police - the blame-the-victim culture is rampant. People will point fingers at a woman's behavior and clothes while finding excuses for men - calling it high spirits or 'harmless fun'," says women's rights activist Sharanya Hegde of the Mahila Dakshatha Samithi. "For many policemen, street sexual harassment is a 'silly' matter. It's not serious. They should understand that men who get away with this gain the confidence to commit bigger crimes against women, like r**es or acid attacks," asserts Hegde.

Only one city had fewer respondents who faced lewd behaviour on city streets, Pune, where one in 10 women experienced "misbehaviour". In Bangalore, 60% said they felt safer in company. Malls and multiplexes are perceived as being safer than other public spaces like parks: 76% of the surveyed felt secure in malls and multiplexes, day or night, as against 38% who felt safe in open public areas like parks or gardens.

Basic services for women in public areas remain a concern, with toilet facilities topping the list. Women are more comfortable with other aspects of Bangalore infrastructure, like lighting and roads. They are divided over the quality of drinking water and united over the city's cleanliness or lack of it. The verdict that the place stinks is hardly surprising, given the issues Bangalore has with garbage.

Public transport, specifically bus transport, is the preferred form of transportation for Bangalore women as 53% of women said they prefer buses, followed by 36% who use their own vehicles. By and large, the experience women face with public transportation (buses and autorickshaws) is mostly positive, with one exception - autodrivers refusing custom to prospective passengers in an apparently whimsical manner. But a majority of women support measures like random checks, enforced ladies' seating and plain clothes women policemen on buses.

08/11/2013

Internet Hacking 101, with PHP


The point is, a web site (blog?) with an option or requirement to login before commenting (or blogging) and no captcha, may be easy to get into as an admin. Make sure your web site is secure.

Micah Lee, in 2600, The Hacker Quarterly tells how to “write code that automatically loads web
pages, submits forms, and [can create an admin user-id in WordPress ... for example], while looking like it’s
human. These techniques can be used to exploit cross-site scripting (XSS) vulnerabilities, download copies of web-based databases, cheat in web games, and quite a bit more … using PHP and Javascript. I’m primarily going to use wordpress as an example website that I’ll be attacking, but that’s only because I’m a fan of wordpress. This stuff will work against any website, as long as you can find an XSS hole.”

see www.noisebridge.net/pipermail/noisebridge-discuss/2010-May/014197.html for the complete article.

A quick note about cookies

When you login to a website, the only way it knows that you’re still logged in the next time you reload the page is because you send your cookie back to the website as a line in the headers. You pass cookies to the web server with the “Cookie:” header, and the web server sets cookies in your browser with the “Set-Cookie:” header.

This is important to understand because a lot of bots you write might require you to correctly handle cookies to do what you want, especially if you want to do something like exploit an XSS bug, make a social networking worm, or write a script that downloads and stores everything from someone’s web mail account.

Some tools to see what is going on

You rarely actually see what HTTP headers are you’re sending to web servers, and what headers are included in the responses. For writing this article I used the Firefox extensions Live HTTP Headers and Tamper Data. Other Firefox extensions that you might find useful are FireBug and Web Developer Toolbar (useful for cookie management). Also, Wireshark and tcpdump are great tools for any sort of network monitoring. And if you’re trying this on more complicated sites, especially ones with lots of ajax, I highly suggest using an intercepting proxy like Paros or WebScarab.

Start with something simple

With PHP, the best way to write a web bot is to use the curl functions. The curl functions to know are curl_init(), curl_setopt(), curl_exec(), and curl_close(). Here’s an example of a simple PHP script that checks 2600′s twitter feed and prints out the latest tweet. And, just for laughs, we’ll pretend to be using IE6 on Windows.

Sir Venkata Raman - BiographicalChandrasekhara Venkata Raman was born at Trichinopoly in Southern India on November 7th,...
07/11/2013

Sir Venkata Raman - Biographical

Chandrasekhara Venkata Raman was born at Trichinopoly in Southern India on November 7th, 1888. His father was a lecturer in mathematics and physics so that from the first he was immersed in an academic atmosphere. He entered Presidency College, Madras, in 1902, and in 1904 passed his B.A. examination, winning the first place and the gold medal in physics; in 1907 he gained his M.A. degree, obtaining the highest distinctions.

His earliest researches in optics and acoustics - the two fields of investigation to which he has dedicated his entire career - were carried out while he was a student.

Since at that time a scientific career did not appear to present the best possibilities, Raman joined the Indian Finance Department in 1907; though the duties of his office took most of his time, Raman found opportunities for carrying on experimental research in the laboratory of the Indian Association for the Cultivation of Science at Calcutta (of which he became Honorary Secretary in 1919).

In 1917 he was offered the newly endowed Palit Chair of Physics at Calcutta University, and decided to accept it. After 15 years at Calcutta he became Professor at the Indian Institute of Science at Bangalore (1933-1948), and since 1948 he is Director of the Raman Institute of Research at Bangalore, established and endowed by himself. He also founded the Indian Journal of Physics in 1926, of which he is the Editor. Raman sponsored the establishment of the Indian Academy of Sciences and has served as President since its inception. He also initiated the Proceedings of that academy, in which much of his work has been published, and is President of the Current Science Association, Bangalore, which publishes Current Science (India).

Some of Raman's early memoirs appeared as Bulletins of the Indian Associationfor the Cultivation of Science (Bull. 6 and 11, dealing with the "Maintenance of Vibrations"; Bull. 15, 1918, dealing with the theory of the musical instruments of the violin family). He contributed an article on the theory of musical instruments to the 8th Volume of the Handbuch der Physik, 1928. In 1922 he published his work on the "Molecular Diffraction of Light", the first of a series of investigations with his collaborators which ultimately led to his discovery, on the 28th of February, 1928, of the radiation effect which bears his name ("A new radiation", Indian J. Phys., 2 (1928) 387), and which gained him the 1930 Nobel Prize in Physics.

Other investigations carried out by Raman were: his experimental and theoretical studies on the diffraction of light by acoustic waves of ultrasonic and hypersonic frequencies (published 1934-1942), and those on the effects produced by X-rays on infrared vibrations in crystals exposed to ordinary light. In 1948 Raman, through studying the spectroscopic behaviour of crystals, approached in a new manner fundamental problems of crystal dynamics. His laboratory has been dealing with the structure and properties of diamond, the structure and optical behaviour of numerous iridescent substances (labradorite, pearly felspar, agate, opal, and pearls).

Among his other interests have been the optics of colloids, electrical and magnetic anisotropy, and the physiology of human vision.

Raman has been honoured with a large number of honorary doctorates and memberships of scientific societies. He was elected a Fellow of the Royal Society early in his career (1924), and was knighted in 1929.

From Nobel Lectures, Physics 1922-1941, Elsevier Publishing Company, Amsterdam, 1965

This autobiography/biography was written at the time of the award and first published in the book series Les Prix Nobel. It was later edited and republished in Nobel Lectures. To cite this document, always state the source as shown above.



Sir Venkata Raman died on November 21, 1970.
From- http://www.nobelprize.org/

06/11/2013

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