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User: GruntMan

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  1. Re:start with freeway point to points on Self-Driving Cars' Shortcomings Revealed in DMV Reports (mercurynews.com) · · Score: 1

    ^This^

    My argument is that self-driving cars need to have the same sort of "general intelligence" to handle all the edge cases that humans usuallly handle so well. This is the same "general intelligence" that AI needs to get beyond expert systems and deep learning, to get to what I believe is called an AGI (Artificial General Intelligence).

    Note that I have no training or education in AI. And I may have read the argument above somewhere else and just think I came up with it. :)

  2. Re:Honey coated health food on Stephen Wolfram: No Need To Teach With 'Toy Programming Languages' Like Scratch (wolfram.com) · · Score: 1

    I could not have imagined a better introduction. And it reminded me a lot of my own self propelled learning by copying BASIC programs out of KILOBAUD magazine (dating myself).

    Until the magazines switched to converting the binary executable into 16 or 32 hex pairs in columns across many pages, and the checksum in an additional column on the right. Compute! and other C-64 magazine did that. I can't recall the name, but a very capable word processor was the end results of a weekend of typing in those hex digits... and then waiting until the next issue arrived with the all-to-frequent errata. I think that word processor took 2 errata lists.

    While it was good that you'd eventually get a working program, the mere typing in the BASIC commands, seeing the logic (and sometimes some code documentation), and the lengthy typo-finding sessions did serve a purpose. A lot of learning there.

    And just to cement my old hand status, first experience was a school's Commodore Pet, the one with the built-in tape drive and (possibly) the label-stuck-on-the-key type of keyboard. We'd wait 10 minutes to load some game (Trek usually) off tape, half the time there'd be a syntax error due to bad tape noise, so load again, play for 10 minutes until it crashed. LIST would show us the source code, and RUN would make it go again.

    Get off my lawn!

  3. Re:TED on Real-Time Power Monitoring Options? · · Score: 4, Informative

    I have a TED-5000. Very happy with it. 15-minute install in the main panel; the bigger hassle was resetting all the clocks in the house afterwards. Connected the gateway device to my home network, now any device that has a web browser can see power usage. Easily accessible from the outside world by web browser, with the right router settings. Monitoring is down to the second, with a claimed accuracy of +/-2%

    Nothing need be installed on the PC, and it doesn't rely on a PC to store data; the gateway device records the data and is the web server.

    The manufacturer seems pretty open; they publish the XML format and there are plenty of people reading the device with PHP scripts and logging to SQL databases for more flexible & permanent data storage. There are a few iPhone apps and I think there is a Android app, or talk about one. You can export the data from the gateway in second, minute, hour, daily, or montly format, with the follow capacities:

    ~2 days of per-minute data
    ~66 minutes of per-second data
    ~58 days of per-hour data (likely longer... I've only had mine for 58 days!)

    One caveat: the device that connects to the power panel (a pair of current clamps and a pair of voltage taps) communicates with the gateway via power line. Seems like many of the problems people have are related to power line communications, either due to electical noise or other power line communications devices (e.g. X-10) in the house. Some people have success with filters (extra cost), others never seem to solve these problems.

    I think it meets the poster's requirements for a), b), and c). It cost me $243 Canadian delivered to my door in 3 days from a Canadian supplier

    http://www.powermeterstore.com/p7774/ted_5000_home_energy_monitor.php

    No connection to either company here. Just a very happy customer.