rhettinger

5 ms·

1.
by rhettinger 16y ago
Traditional unit testing doesn't work well with the strategy component in high-frequency trading programs. * The need to rapidly iterate and refine strategies is not supported by writing tests which can prematurely lock-down the logic. Lik
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by rhettinger 16y ago
How Python's super() actually gets used: http://www.google.com/codesearch?as_q=super\(&as_lang=py...
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by rhettinger 16y ago
Code Prion - n. a really bad idea dressed-up as a good idea thereby becoming contagious in a way that never seems to die out. n. memes adopted as a religion by the clueless because "it seems like a great idea" while drowning-out the opposit
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by rhettinger 16y ago
There's room for debate on whether grades should reflect homework completion and timeliness, but some of the grading practices were nuts: "...their grades are more accurately reflecting their knowledge, not whether or not they brought in a
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by rhettinger 16y ago
One client was charging-off sizeable bad debts on their accounts receivable, but the program did not recognize that some of the receivable balance was for the sales tax. With a five-line change, $250k/yr was saved (you don't have to remit s
6.
by rhettinger 16y ago
The Burrows-Wheeler transform used in bzip2 is truly mind-blowing. Many algorithms are ordinary genius (eventually you would have come up with it because the problem space dictates the solution), but this one is extraordinary genius (mind-b
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by rhettinger 16y ago
This article had remarkably little content or analysis. Essentially the only point made was that LaTeX markup can separate content from presentation.
8.
by rhettinger 16y ago
What we really need is more startups that actually have a capital gain (real profits in excess of original investment). That would be progress.
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by rhettinger 16y ago
Monocle works by wrapping a single generator and translating each yield-statement into a hand-off to the event loop or reactor and resuming when the value of the deferred becomes known. Since the code is confined to a single generator, it's
10.
by rhettinger 16y ago
> Will Python 2 ever end? It will probably be around for a very long time. Some people are trapped by dependencies third-party libraries and others are trapped by mountains of existing scripts with scant tests. The real question is whe
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by rhettinger 16y ago
If my previous experience in the field is any guide, this should be a rewarding experience for you. > Is there any reason not to go do this? It is likely to be a high-stress job. Also, the turn-over in the industry tends to be very high
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by rhettinger 16y ago
I've seen open source people disappear for all kinds of reasons. It is a natural ebb and flow. People tend to fall off when they are busy and they tend to come back when they've got an itch.
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by rhettinger 16y ago
Too often, I see bloggers willing to give executives and public officials a pass when they are caught in a lie. The rationale is that the people are otherwise doing a good job, but the bloggers ignore the irony that part of the job was enf
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by rhettinger 16y ago
Pretty good start and cool idea. Would be more impressive if the program responded to movement of the ghosts or followed a known pattern around the maze.
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by rhettinger 16y ago
If you list it on your CV, someone may "remember" that they thought you were really smart but likely won't remember what gave them that impression. That is a win. If you go to a Mensa social gathering, you may develop a meaningful relation
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by rhettinger 16y ago
Unlike many lawsuits, this one is a testable hypothesis. It is knowable whether favorable reviews disappeared, whether an algorithm or person triggered the disappearance, and whether this occurred after a sales-rep made contact. The phone
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by rhettinger 17y ago
Hopefully, this article will be counter-balanced at some point by discussions with successful entrepreneurs who had open, candid, and honest relationships with their VCs and customers. In my experience, telling the truth builds relationshi
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by rhettinger 17y ago
Python 2.6.4 (r264:75821M, Oct 27 2009, 19:48:32) >>> from itertools import product >>> twokids = product('B G'.split(), 'M Tu W Th Fr St Sn'.split(), repeat=2) >>> boytues = [t for t in twokids i