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The article discusses how to setup MySQL Replication between two Amazon EC2 instances. It walks you though setting up replication for an empty database server. Adding a slave to a server already full of data is a different article.

It is assumed that you already know the basics of starting EC2 instances, connecting to them via SSH and editing files in Linux using vi/vim etc. For this tutorial, I am using the Amazon built machine image ami-2b5fba42 which is Fedora 8 base image.

POSIX recommends these conventions for command line arguments. getopt (see Getopt) and argp_parse (see Argp) make it easy to implement them.

For those who find it tough to juggle more than a couple things at once, don't despair. The brain is set up to manage two tasks, but not more, a new study suggests.

That's because, when faced with two tasks, a part of the brain known as the medial prefrontal cortex (MFC) divides so that half of the region focuses on one task and the other half on the other task. This division of labor allows a person to keep track of two tasks pretty readily, but if you throw in a third, things get a bit muddled.

In other words, the entertainment industry thinks consumers should voluntarily install software that constantly scans our computers and identifies (and perhaps deletes) files found to be "infringing." It's hard to believe the industry thinks savvy, security-conscious consumers would voluntarily do so. But those who remember the Sony BMG rootkit debacle know that the entertainment industry is all too willing to sacrifice consumers at the altar of copyright enforcement.

The notion that lengthening copyright increases creativity is questionable, however. Authors and artists do not generally consult the statute books before deciding whether or not to pick up pen or paintbrush. And overlong copyrights often limit, rather than encourage, a work’s dissemination, impact and influence. It can be difficult to locate copyright holders to obtain the rights to reuse old material. As a result, much content ends up in legal limbo (and in the case of old movies and sound recordings, is left to deteriorate—copying them in order to preserve them may constitute an act of infringement). The penalties even for inadvertent infringement are so punishing that creators routinely have to self-censor their work. Nor does the advent of digital technology strengthen the case for extending the period of protection.

Americans don't have the guts for sushi. At least that's the implication of a new study, which finds that Japanese people harbor enzymes in their intestinal bacteria that help them digest seaweed--enzymes that North Americans lack. What's more, Japanese may have first acquired these enzymes by eating bacteria that thrive on seaweed in the open ocean.

The main module, Lingua::EN::MatchNames, exports one function by default: name_eq(). You can either feed it four parameters:

name_eq( $firstname0, $lastname0, $firstname1, $lastname1 ) or two (thanks to Lingua::EN::NameParse, which breaks full names into their constituent components):

name_eq( $name0, $name1 ) and it will return a certainty score between 0 and 100, or undef if the names cannot be matched via any method known to the module.

Humans are too stupid to prevent climate change from radically impacting on our lives over the coming decades. This is the stark conclusion of James Lovelock, the globally respected environmental thinker and independent scientist who developed the Gaia theory.

...

"I don't think we're yet evolved to the point where we're clever enough to handle a complex a situation as climate change," said Lovelock in his first in-depth interview since the theft of the UEA emails last November. "The inertia of humans is so huge that you can't really do anything meaningful."

One of the main obstructions to meaningful action is "modern democracy", he added. "Even the best democracies agree that when a major war approaches, democracy must be put on hold for the time being. I have a feeling that climate change may be an issue as severe as a war. It may be necessary to put democracy on hold for a while."

Clause 15 of the draft Bill, as reported back from the Commerce Select Committee, lists a number of classes of invention which should not be patentable and includes the sub-clause “a computer program is not a patentable invention.”