Viewing profile — sparky
sparky
HN member- Joined
- Thu, Apr 23, 2009, 1:39 AM UTC
- HN karma
- 1,209
- Public activity
- 395 items
- HN profile
- View on Hacker News ↗
About sparky
I can be reached at johnso(85+2)@illinois.edu, where the parenthesized expression is replaced with its result.
http://blog.mattj.me
Recent public activity
-
comment
Comment #13426913
If you're earning $300k/year in California, you're paying ~$22k in state income tax, so you should be itemizing on your federal return with or without the mortgage, and subtracting…
-
comment
Comment #8644013
This? http://cacm.acm.org/magazines/2010/2/69354-a-few-billion-lin... http://web.stanford.edu/~engler/BLOC-coverity.pdf
-
comment
Comment #8624247
Cheapest possible toaster oven + cheap multimeter thermocouple for manual temperature control + {paste flux, solder paste+stencil} works better than you'd think for soldering BGAs.…
-
comment
Comment #8609350
The only real similarity to PCIe is that they're both high-speed differential signaling standards. This article has a good overview of what is known: http://www.anandtech.com/show/…
- comment
-
comment
Comment #8204994
Yeah, I think that comment conflates three things: 1) The regulatory burden of going public (Sarbanes-Oxley compliance et al.) pushes companies to stay private, which keeps the ave…
-
comment
Comment #8162017
Propagation velocity in copper is within a factor of 2 or so of c; you would have to length-match even at vp=c, given a short enough clock period.
-
comment
Comment #7942298
Isn't that for a 1000x ROI? 1000%=10x, so even selling 1% on Kickstarter at a 200M valuation would yield something like that.
-
comment
Comment #7932700
I think he means you get an 80k refresher every year that vests over 4 years (20k/year). After 4 years, you have a full pipeline and 4 tranches (80k/year total) vest every year.
-
comment
Comment #7893565
Aliasing conflict! This is about doing histogramming on an FPGA, not a tool to group FPGA dice into speed grades :) Would be interesting to see how an FPGA stacks up against a GPU …
-
comment
Comment #7805218
The lack of palletization on Target's trucks seems inefficient at the store level, but may be justifiable at the company level, since Target owns its own distribution centers: * Tr…
-
comment
Comment #7487514
LLVM has an open-source PTX backend, and newer versions of the official CUDA compiler use LLVM to generate PTX internally, but PTX is a device-independent intermediate layer, and t…
-
comment
Comment #7439341
They need not be destroyed[1] : Goods that are seized and forfeited as bearing a mark that is a counterfeit of a registered trademark, piratical of a registered copyright or import…
-
comment
Comment #7431797
The "stereo" part likely adds significant work (up to 2x), since you're rendering from two points of view.
-
comment
Comment #7393619
fifty times as much storage.
-
comment
Comment #7297499
Same in Chrome 34, Ubuntu 13.10, GTX Titan, NVIDIA 331.49.
-
comment
Comment #7295476
We also aren't that far off with 1TB mSATA (about 1x2 inches) drives available today. 2.5" drives are obviously much bigger than 8 microSD cards because the form factor was designe…
-
comment
Comment #6927589
Yeah, the paper talks about how to vary the parameters to simulate powder, wet snow, slush, etc. These techniques were developed for the movie Frozen, and to my eye (I grew up with…
-
comment
Comment #6917127
Likewise, a beep and a statement of fact on a screen ("target has been missed") is a far cry from screaming. If the work can fundamentally be measured on 15 second intervals, what …
-
comment
Comment #6916212
This sounds like you're advocating a free market approach in this case, where BART employee wages should rise until their employer can no longer operate. As in other markets, the s…
-
comment
Comment #6915881
What part of that is objectionable? I worked logistics at a big box retailer 10-ish years ago, and that kind of thing was completely standard. The feeling was that, yes, the beeps …
- comment
-
comment
Comment #6600810
This is great news, thanks guys! Are there really no limitations on the number of calls and text messages? I imagine many businesses and other use cases could operate indefinitely …
-
comment
Comment #6588550
> other sources of itemizable expenses The interest payments in the first half of most mortgages get you close to the standard deduction. Only works for owners, but it's still a re…
-
comment
Comment #6423260
Many credit unions are part of a large co-op with lots of no-fee ATMs all over the place ( http://co-opatm.org/ ). You can also deposit checks/cash at many of these ATMs. They may …