sparky

37 ms·

271.
by sparky 17y ago
NAND gates have two PMOS (pull-up) transistors in parallel and two NMOS (pull-down) transistors in series. This matches well with most CMOS processes, in which NMOS are faster. NOR gates have two PMOS in series and two NMOS in parallel, s
272.
by sparky 17y ago
>> A 64-bit CPU has 64-bit general-purpose registers > No. x86_64 only has sixteen general purpose registers Right, but they're still 64 bits wide, like he said.
273.
by sparky 17y ago
Was it Sketch2Photo from Siggraph Asia 2009 ( http://cg.cs.tsinghua.edu.cn/papers/SiggraphAsia_2009_sketch... )? If so, the authors are academics.
274.
by sparky 17y ago
The argument is essentially: 1) High-frequency traders (HFTs) increase liquidity. For the benefit of those who don't know what that means: there are actually a finite amount of shares of each company, and you cannot buy shares unless someo
275.
by sparky 17y ago
A valid concern. This prompted them to implement oAuth for GMail, as described here http://techcrunch.com/2010/03/06/gmail-imap-etacts/ and discussed here http://news.ycombinator.com/item?id=1172211 .
276.
by sparky 17y ago
Just a guess, but maybe it's a matter of providing traffic, PageRank, ad revenue, etc. to garbage sites. In the case of "stuff that's interesting, but not quite HN-appropriate", that argument falls down a bit. Maybe keeping the URL in tex
277.
by sparky 17y ago
A decent primer can be found here http://www.research-horizons.cam.ac.uk/features/-p-plastic-l... .
278.
by sparky 17y ago
That was my inclination too, after the whole thing about Xbox Live gamertags. http://www.mtv.com/news/articles/1605966/20090226/story.jhtm... http://www.lazygamer.co.za/xbox-360/its-ok-to-be-gay-microso...
279.
by sparky 17y ago
It depends on the data sharing and memory access patterns you want to support. For instance, the 16-32-core Larrabee has a ring bus. So do GPUs with many, many cores ( http://en.wikipedia.org/wiki/Radeon_R600#Memory_controllers ). What r
280.
by sparky 17y ago
Duke
281.
by sparky 17y ago
It is a bit anal retentive, but there is sound reasoning behind declaring your variables in the narrowest scope possible. Google's C++ style guide ( http://google-styleguide.googlecode.com/svn/trunk/cppguide.x... ) captures some of them.
282.
by sparky 17y ago
Ctrl+Click (open in new tab) and Shift+Click (open in new window) work well too, if I'm understanding you correctly. If not, my apologies :)
283.
by sparky 17y ago
Did anyone watch that first Youtube video with the guy talking in a bookstore? I highly recommend it for entertainment value, but it's hard to tell what the guy's point is w.r.t. micropayments. Payments are totally orthogonal to where the
284.
by sparky 17y ago
"screws and bolts... non-Turning (sic) complete" Pun intended?
285.
by sparky 17y ago
Everything patented or implemented in the history of the world is possible under the laws of physics; the argument that because it is possible, it is not patentable makes no sense. As must be stated anytime there is an article on here conce
286.
by sparky 17y ago
This seems like as good an opportunity as any to start a discussion: what do people think about these software cost estimation models and tools? They seem like a valuable tool for communicating the value of working software to non-technica
287.
by sparky 17y ago
Groupon runs on a similar concept ( http://www.groupon.com/faq ). A business can offer a discounted rate that's only valid if a certain number of people commit to paying said discounted rate. I guess the rationale is that if you get a c
288.
by sparky 17y ago
I think he means that he found a site that maintained a list of sites of NameCheap.
289.
by sparky 17y ago
The SheevaPlug dev kit is distribtued by Globalscale among others, and is a Marvell reference design ( http://www.marvell.com/platforms/plug_computer/ ). The GuruPlug looks like a nice boost in terms of connectivity, but I'm waiting for
290.
by sparky 17y ago
I don't see how the fact that other developers aren't complaining is proof that hardware acceleration is not useful. There is a full spectrum of how much access you allow browser plugins and client-side code to features of the underlying O
291.
by sparky 17y ago
In some cases, the sysadmin is right. Say you are concerned with performance, not energy-efficiency. If you have an I/O-bound workload that is only using 50% of your CPU cycles, wouldn't it be nice to automatically use the other 50% (othe
292.
by sparky 17y ago
I think seldo's comment above captures it. What you said is true, but you also can't force Apple to give you a development environment for their device and let you sell apps in their private store. They have offered to do so anyway, so lo
293.
by sparky 17y ago
In fact, one of the most popular tools for checking for eerie similarities between programs (used at other universities I'm familiar with) was co-developed by a now-Stanford prof. MOSS: http://theory.stanford.edu/~aiken/moss/
294.
by sparky 17y ago
Nit: ints are still 32 bits on most 64-bit systems ( http://en.wikipedia.org/wiki/64-bit#Specific_data_models ) Example: mrj10@mjlap:~$ uname -m x86_64 mrj10@mjlap:~$ cat test.c #include <stdio.h> int main() { pr
295.
by sparky 17y ago
It would be nice, but the overhead would likely be unacceptable, since most code is dominated by integer arithmetic of one form or another. There was a StackOverflow question here http://stackoverflow.com/questions/199333/best-way-to-dete
296.
by sparky 17y ago
It seems to me that this "fix" just pushes the bug off by a factor of 2. What happens when you have an array with more elements than can be expressed by an int? I don't think you can do that in Java. In the more general case, you're righ
297.
by sparky 17y ago
If the behavior is according to the language spec, it's not an implementation thing. Perhaps you meant language spec instead of implementation, but even in that case it seems like a poor idea to require all arithmetic to be arbitrary-preci
298.
by sparky 17y ago
I'm still not sure I follow. Where does the "ton of code" come in? The boilerplate code around spawning new threads? The painfulness of that task varies widely amongst OS-level threading primitives, user-level thread libraries, and other
299.
by sparky 17y ago
"with requisite context switches" Can you explain this part?
300.
by sparky 17y ago
Not butchering it at all, really: http://www.catb.org/~esr/jargon/html/Z/Zawinskis-Law.html “Every program attempts to expand until it can read mail. Those programs which cannot so expand are replaced by ones which can." -- Jamie Zawinski

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