1111111 * 1111111 = 1234567654321
Yesterday I got my hands on my very first Lincoln (five dollars) bill, they seem much more older and used than Euro banknotes. As I had already made a Euro note serial number validation algorithm in PHP I thought: “why don’t I do the same for dollar bills?”.
Have you ever come across a fake Euro banknote? Well, most of us probably have (at least those of us who live in the European Union, like me) - more than 300 thousand Euro banknotes are falsified every year.
Watch this Google Tech Talk named “Computers versus Common Sense” for some insight about Cyc and “universal common knowledge computers”.
Cyc is an artificial intelligence project that attempts to assemble a comprehensive ontology and database of everyday common sense knowledge, with the goal of enabling AI applications to perform human-like reasoning.
I’ve developed a simple OCR CAPTCHA decoder in PHP, it’s pretty fast and breaks with a 100% success rate all CAPTCHAs that meet some requirements.
Today I’ll be sharing an algorithm that I use quite a lot, for generating passwords that are easily memorable and spelled - one may also call this type of passwords mnemonic passwords.
I’ve ported the jQuery Password Strength Meter from JavaScript to PHP.
Dr. Luis van Ahn presented in his fantastic Google Tech Talk Video called Human Computation (he speaks very fast sometimes in this video).
I’ve just finished my PHP Math Library and Abstraction Layer, I’ve been up all night in order to code it, but it was worth it. I am proud of it.
My PHP Math Library features the following:
During the last take off event, which took place in April 28th at the marvelous universitary city of Coimbra, I had the chance to watch in the first row to João Carvalho presentation, and talk to him later. He is the responsible for the Palco Principal website - a community website that allows Portuguese-spoken bands to interact with users and vice-versa. If you are or understand Portuguese you can access his presentation in PDF format, or the recorded presentation, in MP3.
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