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Comment: Re:linode (Score 4, Informative) 375

by wik (#38478436) Attached to: Ask Slashdot: Best Inexpensive VPS Provider?

And yet another plug for Linode. I have been with them for over four years. Their infrastructure staff knows what they're doing (tech support has responded in 3 minutes on a Sunday night!) and they're hands-off with respect to how you want to run your box. Disk space is a little expensive, but it's not oversubscribed. Even the smallest accounts are well worth the money.

Comment: Re:Why stop there? (Score 1) 752

by wik (#30505886) Attached to: The Environmental Impact of PHP Compared To C++ On Facebook

Minor nit: fetch prediction logic in modern processors has to deal with unconditional procedure calls. Fetch pipelines aren't shallow anymore, so you need to predict the target address and speculatively fetch that cache line. Often this is before you even know you've just fetched a branch/call/jmpl.

The jump tables/switch statements in Ruby/Python/PHP make target prediction a necessity. The target of this jmpl is rarely the same twice in a row.

Comment: Re:have your own domain-get universal forwarding (Score 1) 251

by wik (#27543927) Attached to: Spam Replacing Postal Junk Mail?

Someone tell that to Verizon. They seem to think it's best practice to send the same marketing email to both the original address with the + and the same address without. Better yet, their unsubscribe facility refuses to accept the +.

I wish more people understood the +. I've used it to make incoming mail self-sorting for well over a decade.

Security

3-D Light System May Revolutionize Fingerprinting 71

Posted by kdawson
from the 256-times-10 dept.
coondoggie writes "The US Department of Homeland Security's Science & Technology Directorate recently awarded almost $420,000 to a Kentucky company to further develop a contactless finger print/biometric system. The goal is a machine that can snap 10 fingerprints in high resolution in less than 10 seconds, without human intervention. This goal is beginning to look feasible. FlashScan3D is working with the University of Kentucky's Center for Visualization and Virtual Environments, and has developed a technique called 'structured light illumination' (WIPO patent description), where a pattern of dots or stripes is projected onto a curved or irregular surface."

Comment: Re:Bank balance (Score 2) 499

by wik (#26775813) Attached to: Sacrificing Accuracy For Speed and Efficiency In Processors

There's rounding in virtually every transaction you already encounter. Do you live in a location with sales tax?

In pay periods where my paycheck is mathematically supposed to be consistent, it also fluctuates by a cent sometimes. The value averages out but there's still rounding and it's quite obvious.

"Your attitude determines your attitude." -- Zig Ziglar, self-improvement doofus

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