by: Oliver Fromme |
last post by:
Hi,
I'm trying to write a Python function that parses
an expression and builds a function tree from it
(recursively).
During parsing, lambda functions for the the terms
and sub-expressions...
|
by: Tom Anderson |
last post by:
Comrades,
During our current discussion of the fate of functional constructs in
python, someone brought up Guido's bull on the matter:
http://www.artima.com/weblogs/viewpost.jsp?thread=98196
...
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by: rubbishemail |
last post by:
Hello,
I need your help understanding lambda (and doing it a better way
without).
f = lambda x : x*x
# this is a list of functions
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by: Kaz Kylheku |
last post by:
I've been reading the recent cross-posted flamewar, and read Guido's
article where he posits that embedding multi-line lambdas in
expressions is an unsolvable puzzle.
So for the last 15 minutes...
|
by: Octal |
last post by:
How does the lambda library actually works. How does it know how to
evaluate _1, how does it recognize _1 as a placeholder, how does it
then calculate _1+_2, or _1+2 etc. The source files seem a...
|
by: Raymond Hettinger |
last post by:
FWIW, here are three ways of writing constant functions for
collections.defaultdict():
d = defaultdict(int) # slowest way; works only for zero
d = defaultdict(lambda: 0) # faster way;...
|
by: tutufan |
last post by:
It seems like
x = defaultdict(defaultdict(list))
should do the obvious, but it doesn't. This seems to work
y = defaultdict(lambda: defaultdict(list))
though is a bit uglier.
|
by: fizilla |
last post by:
Hello all!
I have the following weird problem and since I am new to Python I somehow cannot figure out an elegant solution. The problem reduces to the following question:
How to pickle a...
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by: globalrev |
last post by:
i have a rough understanding of lambda but so far only have found use
for it once(in tkinter when passing lambda as an argument i could
circumvent some tricky stuff).
what is the point of the...
|
by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 7 Feb 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:30 (7.30PM).
In this month's session, the creator of the excellent VBE...
|
by: MeoLessi9 |
last post by:
I have VirtualBox installed on Windows 11 and now I would like to install Kali on a virtual machine. However, on the official website, I see two options: "Installer images" and "Virtual machines"....
|
by: DolphinDB |
last post by:
The formulas of 101 quantitative trading alphas used by WorldQuant were presented in the paper 101 Formulaic Alphas. However, some formulas are complex, leading to challenges in calculation.
Take...
|
by: DolphinDB |
last post by:
Tired of spending countless mintues downsampling your data? Look no further!
In this article, you’ll learn how to efficiently downsample 6.48 billion high-frequency records to 61 million...
|
by: Aftab Ahmad |
last post by:
So, I have written a code for a cmd called "Send WhatsApp Message" to open and send WhatsApp messaage. The code is given below.
Dim IE As Object
Set IE =...
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by: ryjfgjl |
last post by:
ExcelToDatabase: batch import excel into database automatically...
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by: Vimpel783 |
last post by:
Hello!
Guys, I found this code on the Internet, but I need to modify it a little. It works well, the problem is this: Data is sent from only one cell, in this case B5, but it is necessary that data...
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by: jfyes |
last post by:
As a hardware engineer, after seeing that CEIWEI recently released a new tool for Modbus RTU Over TCP/UDP filtering and monitoring, I actively went to its official website to take a look. It turned...
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by: ArrayDB |
last post by:
The error message I've encountered is; ERROR:root:Error generating model response: exception: access violation writing 0x0000000000005140, which seems to be indicative of an access violation...
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