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Comment: Re:HP Printer Driver Developers Take Note (Score 1) 143

by Dahan (#43735741) Attached to: Interactive Raycaster For the Commodore 64 Under 256 Bytes

Really? The Postscript printers I've used, network and local, have all required drivers. Maybe this is a stupid question, but how do you control duplex or not, color or B/W, which paper source, etc if you don't have a driver for the printer?

A PPD, a text file which describes the printer's capabilities, and the commands to send to change various options.

Comment: Re:RTFA-ing is the Key! (Score 1) 365

by Dahan (#42976533) Attached to: New Process Takes Energy From Coal Without Burning It

Syngas is not generally produced starting from coal, with is the topic of this story.

In what sense is it not generally produced from coal? Coal gasification is being done on a commercial scale right now (and has been done for decades). While it may not be the most common way to generate syngas, it's certainly not a new or unknown idea. I'm sure if there's more demand for syngas made from coal, more plants will be built. And no, generating syngas from coal is not the topic of this story.

Not sure where this process generates syngas.

Not sure why you think this process has anything to do with generating syngas. The point of this is to burn certain carbon-containing materials, e.g., coal or syngas, in a way that the generated CO2 can be almost completely captured. This research plant generates 25kW from coal. The upcoming one will generate 250kW from syngas.

Comment: Re:2nd story about how cell copmanies suck today. (Score 1) 317

by Dahan (#42971735) Attached to: White House Petition To Make Unlocking Phones Legal Passes 100,000 Signatures

Assuming the parent poster is French because of the reference to France, these pluralization mistakes aren't so far fetched for a Francophone. In French, verbs are conjugated to match whether or not the subject is plural.

How is that different from English? English has subject-verb agreement too.

So, he/she has the word "they" so naturally because this is a plural word, to him/her, "suck" should be pluralized to match.

The plural form of "suck" isn't "sucks"--you don't form the plural form of a verb by adding "s" to it, in either English or French.

Infinitive: "to suck". "He sucks": singular subject, verb ends in "s". "They suck": plural subject, no "s".

Infinitive: "sucer". "Il suce": singular subject, no "s". "Ils sucent": plural subject, no "s".

Comment: Re:Regardless go 16:10 (Score 1) 375

by Dahan (#42915175) Attached to: Ask Slashdot: What Is Your Favorite Monitor For Programming?
I'm 37 and starting to develop presbyopia, and love high-dpi displays... using a 13" Retina Macbook Pro right now. While one way to use a high-dpi screen is to make everything smaller so you can fit more stuff on the screen, another way to use it is to keep everything the same size, but use more pixels to render it, which makes everything look sharper. I do the latter.

Comment: Re:His story is verified (Score 1) 841

by Dahan (#42898891) Attached to: Elon Musk Lays Out His Evidence That NYT Tesla Test Drive Was Staged

but the 12V battery that powers the accessories and gets its juice from the high voltage battery shut down when Broder pulled into the service station.

What kind of crappy design is that? The high voltage battery should charge the 12V battery, but the 12V battery shouldn't arbitrarily "shut down". Especially when the HV battery still has juice in it (which it did, according to the logs). Also, not sure why an e-brake needs to be battery-powered in the first place.

Comment: Logs say: range estimate not that accurate (Score 1) 841

by Dahan (#42898463) Attached to: Elon Musk Lays Out His Evidence That NYT Tesla Test Drive Was Staged

The plot of estimated range vs. miles traveled is particularly interesting... if the range estimation was accurate, the slope while driving should be -1. However, it's pretty consistently around -1.3, with the exception of the section between about 400 and 475 miles (note that the x and y axis scales aren't the same, so you can't just eyeball the line or measure the pixels). I.e., an estimate of 130 miles only gets you about 100 miles of actual driving. Which Broder also noted in his original article: "At 68 miles since recharging, the range had dropped by 85 miles." Why doesn't the estimate adapt to driving conditions and style? In my gas-powered car, the estimated range remaining does seem to take into account the current running average mpg.

In any case, I'm not really interested in what happens after the Milford supercharge (at ~320 miles): he should've charged to completion there, or charged longer at Norwich. The Delaware to Milford supercharge is the portion that's interesting to me. Musk claims that Broder drove the car hard during that section, but I'm not seeing it in the logs. He was going about 60mph during most of that (Musk quibbles that Broder said he set the cruise at 54mph--whatever; neither 54 or 60 are driving the car hard). The slope of the estimated range vs. actual mileage for that section is about -1.25. The distance between the Delaware and Milford stations is 200 (or 202) miles. The estimated range after a 90% charge at Delaware is 242 miles. So factoring in the inaccuracy, an estimated 242 miles translates to an actual 193 miles--not quite enough to reach the destination. And that's while driving below the speed limit.

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