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Comment Re:Advert for Razer? (Score 1) 199

Not sure what that guy was complaining about but I love my Razer Blackwidow ultimate (2013) keyboard. I grew up on heavy n-key-rollover IBM keyboards and then had to make due with horrible light, cheap, keyboards for many years until I found the Razer. It's worth the price for me. And I've gone through probably 30 or 40 keyboards over the last 35 years.

* Heavy, it doesn't move around.

* USB extension port on the right hand side is perfect for my wireless mouse's transceiver plug.

* N-key rollover that actually works, solid tactile (mechanical) response. I can type at 80+ WPM again.

* And doesn't have thousands of useless extra buttons.

Since a Razer engineer is listening. My suggestions:

* Have a usb port on the left side as well as the right side.
* Change the middle-bottom symbol. I don't quite remember... it might have been backlit before and I took the keyboard apart to disconnect it. It was a distraction.
* Don't reverse the upper and lower-case symbols on the keycaps. That was kinda silly.
* The bottom feet could be a little more robust.

In terms of mice, I use a simple microsoft or logitech wireless mouse now. Simple three button w/wheel... I don't like extra buttons or left/right buttons and when I play games I tend to map most features to the left-hand side of the keyboard rather than to a complex mouse. That way I can bang the mouse around without accidental button pushes. I prefer wired mice but for the last few years I couldn't find any at the stores I frequent.

The wireless mice are fine as long as (A) the tranceiver is within a few inches of the mouse, which it is hanging off the keyboard's RHS usb port. and (B) You use a AA alkaline (non rechargeable) battery. Rechargeable batteries just don't last due to charge leakage. And of course keep a spare battery within reach or replace every month whether or not it needs replacing.

-Matt

Comment That will be amusing (Score 1) 262

Whenever Radio Shack asked me for my address I just said I wasn't interested in giving it to them. But a friend of mine did one better... he always wrote down the address of the White house and signed it Mickey Mouse. And the sales person dutifully entered it into the computer, no questions asked.

-Matt

Comment Re:python and java (Score 1) 486

Python's string library isn't remotely what I'd call "overweight", but its strings are immutable. Some algorithms that are quick in other languages are slow in Python, and some operations that are risky in other languages (like using strings for hash keys) are trivial (and threadsafe) in Python. But regardless of the language involved, it's always a good idea to have a bare minimum of knowledge about it before you do something completely stupid.

Comment Re:At What Frequency? (Score 3, Informative) 83

That is not a correct description. Lower frequency radio waves are no less 'quantum' or 'classical' than higher frequency radio waves. AM radios can penetrate objects primarily because they have a wavelength on the order of 400 meters (up to around 1 MHz), whereas FM radios have a wavelength of only a few meters (through around 100 MHz). The longer wavelength of AM effectively allows the radio wave to bypass even relatively large objects such as mountains.

The same effect can be seen even within your house if you have a dual-band WIFI router. The 2.4 GHz band is able to penetrate walls and go around corners and reach the second floor far more easily than the 5 GHz band can.

-Matt

Comment What morons (Score 1) 486

What morons. Sorry, but they are. They are writing to a file through the operating system which means that it is being spooled out to disk asynchronously, so obviously piecemeal writes are going to be faster because they will run concurrently with the string generation algorithm. Plus their 'writes' are probably being buffered in ram anyway.

Writes to files generally do not stall programs. These people are morons.

-Matt

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