unpythonic.net - Jeff Epler's blog

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DomainsData.org: Jeff Epler's blog

Title:

Jeff Epler's blog
Age:

15 years old
Alexa Rank:

396,710
Total Sites Linking In (Alexa):

165
Domain's IP Country:

United States
Status Code:

OK
IP Address:

138.68.55.246
Description:

I've been a computer programmer since I first started typing in program listings on a Commodore Vic 20 when I was about 8. My hobbies include electronics, CNC manufacturing, photography, beâ¦
Keywords:

unpythonic.net Whois Information:

1.

Domain Name:

unpythonic.net
2.

Domain Age:

15 years old
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Name Server 1:

dns2.unpythonic.net
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Name Server 2:

dns1.unpythonic.net
5.

Created:

Monday 03. September 2001
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Expires:

Tuesday 03. September 2019
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Domain Registrar:

godaddy.com, LLC

Website Important Html Tags:

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Files currently attached to this page:
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47.7
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update.bin is clearly a modified version of Marlin, under the GPL3 license. Of course, neither monoprice nor Malyan Systems are offering the source
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lcd.bin has some heavy indications of being based on the ESP8266. There's LGPL stuff in there, more license violation ahoy.
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I've tentatively IDd the low current connectors as JST "XH" series with 2.5mm pitch (rated 3A)
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And the high current connectors as JST "VH" series with 3.96mm pitch (rated 10A)
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why are there no photos of the UI controller board?
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The STM32 pins for the UI controller board are probably PA9/PA10 AKA USART1_TX/RX. Easy to sniff.
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Logic section voltage is supplied by XL1509-3.3, a buck-mode switching regulator with a fixed 3.3V output.
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Many parts in the HV section have part numbers that indicate they might work with a power rail higher than 12V (some people have mentioned using 13.2V)
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UIs that perform well
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Hardware drivers
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Dependable realtime kernels
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$60 is a bit steep for an Arduino clone, but if you're interested in getting your hands on some RISC-V hardware it's the price of admission right now.
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ooh this is a sweet concept
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AYAB = assigned yarn at birth
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there's no such thing as a (calorie-) free lunch. but seriously, it's good that this research is being done. It'll take years for research to catch up to the new artificial sweeteners, though, and that's too bad.
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the xkcd fork-bombing of 2016
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sigh
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"What I'm getting at is that thinking about problems given a robust set of primitives to work with is significantly easier than the procedural coding needed to write those primitives in the first place. Yet introductions to programming are focused almost exclusively on the latter." Yes, but .. I'm super glad that today we have languages like Python and Javascript which do offer "a robust set of primitives". In fact it goes way deeper than that because as a professional programmer if you have the task "add support for .PQR as an input or output format" you're almost certainly doing the wrong thing if your next step involves a blank screen and a printed copy of the standard for PQR files—you should be using a library or module for PRQ which probably already exists for your preferred language. On the other hand, it's absolutely important to my success as a professional programmer that I could say "hey that sort and take top N algorithm looks like it requires too much time and storage space", go read the (python) implementation of heapq.nsmallest, and see how it does the same in O(m) space (and maybe O(n*log m) time? where m is the number of items to keep and n is the total number of items) That is, I believe a key to professional programming is to be able to drill down through the layers until you get the right one where you need to be thinking to solve your problem. To tie this back to the second sentence of my extract, yes, all of this is less true of *introductory* courses. If the pedagogical research backs it up, then yes absolutely start with high-level languages and deepen students' understanding as they get deeper into their 4-year CS program. But in the 90s the high level language *was* Pascal, and people in third and fourth year classes still didn't wrap their heads around low level things; I don't know what your experience was, but the two that I always recall are (A) the graduate teaching assistant *teaching* the class on MIPS assembly who couldn't articulate how a string is stored in a 4-byte register, and (B) the jokes that every upper level class that *used* recursion had to teach what recursion was, yet again, because there was a core of CS undergrads who still didn't get it. So what is taught in the introductory courses (which, in this age of STEM education, should be before you reach University anyway) is to me less critical than how you bridge from that level of knowledge into deeper levels of knowledge; so that people who go from CS to the professional world are better prepared to do actual work, and so that people who go from CS to the academic world are prepared to do actual research. If students never have that "aha" moment where they learn to adjust their thinking to the appropriate level of abstraction, and early in their studies (second university year at the latest?), CS programs are failing.
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I have a .pbm -> eagle converter here somewhere, looks like these folks used 4 colors to my 2 though.
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I can't imagine this will perform well; it didn't work too hot on Itanium, even though that platform was built with x86 emulation in mind. Besides which, developers are familiar now with ARM through Linux or mobile devices, and the amount of explicit assembler code in real apps continues to plummet towards zero. Give developers the real Win32 API on ARM surface hardware and that's how you get adoption of Surface RT or whatever they're calling now. Not this.
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hash tables work just like this #trueprogrammingfacts
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... seeking to entice consumers with new technology that's already been embraced by other high-end smartphone makers ...
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Jeff Epler's blog
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About me

unpythonic.net IP Information:

1.

Ip Address:

138.68.55.246
2.

Country:

United States
3.

Status Code:

OK
4.

Region Name:

Delaware
5.

City Name:

Wilmington
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Zip Code:

19880
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Speed test:

1.55 ms

unpythonic.net Alexa Information:

5 Websites linking to unpythonic.net:
stackoverflow.com
stackexchange.com
sourceforge.net
github.io
secureserver.net

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