raymondh

10 ms·

61.
by raymondh 4y ago
It was, but that is not guaranteed and may stop being true due to work on subinterpreters, new memory managers, and heap types. Also, it used to be true that ``frozenset() is frozenset()``, but that was lost in the war on singletons and glo
62.
by raymondh 4y ago
Yes, that would be correct. a = b = 10 # multiple assignment a, b = b, a # simultaneous (or parallel) assignment
63.
by raymondh 4y ago
Over my career, I've also seen some variations of this theme. A group of experienced, task-saturated senior auditors were pulled in from the field to attend an anti-stress seminar. During the guided meditation, an intense but non-dest
64.
by raymondh 4y ago
Roughly, that is true. However, the actual pattern matching rules are a bit more complex: () # Makes a zero-tuple. The parens are required. 2, # Makes a one-tuple. (2,) # Makes a one-tuple. The parens a
65.
by raymondh 4y ago
Wouldn't it have been better for the language itself to have made a decision rather than another group of people who are in the business of having strong, enforced decisions about what is allowed? The language specifies that simple sta
66.
by raymondh 4y ago
As I teacher, types.SimpleNamespace is wonderful for helping people bridge between their understanding of dicts (a fundamental) to classes/instances (a little less fundamental). However, I almost never use SimpleNamespace in real code.
67.
by raymondh 4y ago
People who respect the law and love sausage should never watch either of them being made ;-) The referenced thread isn't Python's finest hour. A: "Hey, this feature is slightly inconvenient to implement in AST, let's ki
68.
by raymondh 4y ago
I also miss this capability. It was super helpful for working with 2-D or 3-D point vectors: lambda (x1, y1), (x2, y2): return abs(x2 - x1) + abs(y2 - y1)
69.
by raymondh 4y ago
IOW, the match/case tool can pattern match and destructure at the same time. Som uninterestingly, it is possible to do only one of those things: Iterator unpacking: first, *middle, last = t is similar to a match/case wit
70.
by raymondh 4y ago
Thank you, this gives a lot of insight into what is going on. This one tells the whole story: https://github.com/github/dmca/blob/ea3736a0c4c9574e0c8cea06...
71.
by raymondh 5y ago
The Python docs¹ include an implementation of Allen Downey's algorithm: from random import Random from math import ldexp class FullRandom(Random): def random(self): mantissa = 0x10_0000_0000_0000 | s
72.
by raymondh 5y ago
What is the recommended latest equivalent of that document?
73.
by raymondh 5y ago
Almost the entire purpose of frozensets was so that you could have sets of frozensets. It's the only way to have nested sets. Frozensets also work as dictionary keys.
74.
by raymondh 5y ago
dang?
75.
by raymondh 5y ago
Phased locked loops are conscious. Whatever their goal, they constantly compare their actions with the external world, and constantly adapt their behavior. They are clearly self-aware and have complete OODA loop. Though some are simple o
76.
by raymondh 5y ago
Current solutions: >>> list(map(partial(pow, exp=3), range(10))) [0, 1, 8, 27, 64, 125, 216, 343, 512, 729] >>> list(map(lambda base: pow(base, 3), range(10))) [0, 1, 8, 27, 64, 125, 216, 343, 512, 729] >&
77.
by raymondh 5y ago
300B years is impressive. I wonder how they overcame the problem of our sun turning into a red giant 5 billion years from now ;-)
78.
by raymondh 5y ago
> The proof relies on a curious fact about high-dimensional geometry, which is that randomly distributed points placed on the surface of a sphere are almost all a full diameter away from each other. That should be √2 × radius. Looking ou
79.
by raymondh 5y ago
Python instructor and C programmer here: No need to learn C to better understand Python. Almost any gain you would make could be had by reading or watching an overview of the internals.
80.
by raymondh 5y ago
If you just started the service, carefully consider the name of the service. "Bean counter" is a disparaging term that is almost never a compliment. The first paragraph of https://www.cfo.com/accounting-tax/2
81.
by raymondh 5y ago
Accountant here: Recommend using Beancount with version control on your data so that you can take snapshots at various points in time. The notion behind "accountants don't user erasers" is that like a blockchain, you're
82.
by raymondh 5y ago
This is a pretty cool recipe. The precedence is determined by the overridden operator. In this case the "|" operator has low precedence.¹ For a high precedence operator, override "%" with __mod__ and __rmod__: 4
83.
by raymondh 5y ago
The underlying theory of Newspeak is that if something can’t be said, then it can’t be thought. -- George Orwell
84.
FedEx asks FAA permission to add anti-missile system to some cargo planes(cnn.com)
7 points by raymondh 5y ago|1 comments
85.
What Happened to the Eviction Tsunami?(fivethirtyeight.com)
4 points by raymondh 5y ago|0 comments
86.
by raymondh 5y ago
Can anyone with an understanding of cash transfers work explain how this is possible? I cannot fathom how scammers get away with this. The police have the QR code, the URL, and the cash going out of one account into another. How is it pos
87.
by raymondh 5y ago
Thank you for sharing this.
88.
by raymondh 5y ago
Accountants, traders, executives, bankers, etc all have strict rules designed to avoid the appearance of impropriety. However, it seems that members of congress are held to a much lower standard.
89.
by raymondh 5y ago
The effbot was an early mentor me. He had a brusque style, an excellent sense of design, and a wry wit. He thought deeply about programming problems and did not shy away from non-trivial tasks such as regular expressions. His ElementTree
90.
by raymondh 5y ago
For historical human-to-human games, it would be more interesting to see how well players targeted with weaknesses of their opponents. That skill likely mattered more than absolute accuracy as measured by computers.

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