Recent questions tagged Python

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I have a function which is wrapped as a command using click. So it looks like this: @click.command() @click. ... with it from the caller side. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to change QPushButton text and background color

I am using following code to connect QMenu to QPushButton. When button is clicked a pull-down menu with multiple sub ... button's text's color. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Replace NaN with empty list in a pandas dataframe

I'm trying to replace some NaN values in my data with an empty list []. However the list is represented as a str ... 3 2 Name: x, dtype: int64 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to get instance given a method of the instance?

class MyClass: def myMethod(self): pass myInstance = MyClass() methodReference = myInstance.myMethod Now can ... access to methodReference? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - What is the "soft private memory limit" in GAE?

A user of my application attempted to send a file as an email attachment using my application. However, doing ... to bring about this exception? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Import only a class static method

I have the following decorator in a base class: class BaseTests(TestCase): @staticmethod def check_time(self, ... import BaseTests, check_time See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Can sys.argv handle optional arguments?

from sys import argv script, lira_cbt, [eur_hedge] = argv if eur_hedge == None: #Do x else: #Do y I want ... this be achieved with sys.argv? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Numpy mean of nonzero values

I have a matrix of size N*M and I want to find the mean value for each row. The values are from 1 to ... I get the mean of only nonzero values? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Logscale plots with zero values in matplotlib

I am currently using logscale in order to have greater possibilities of plotting my data. Nevertheless, my data ... mailing list of matplotlib. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - pySerial write() won't take my string

Using Python 3.3 and pySerial for serial communications. I'm trying to write a command to my COM PORT but ... TypeError: an integer is required. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Why isn't isnumeric working?

I was going through a very simple python3 guide to using string operations and then I ran into this weird ... have an attribute, isnumeric. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - matplotlib: add circle to plot

How do I add a small filled circle or point to a countour plot in matplotlib? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Remove non-business days rows from pandas dataframe

I have a dataframe with second timeseries data of wheat in df. df = wt["WHEAT_USD"] 2016-05-02 02:00:00+02: ... . Something like df = df.BDays() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Check if two scipy.sparse.csr_matrix are equal

I want to check if two csr_matrix are equal. If I do: x.__eq__(y) I get: raise ValueError("The ... optimized function instead? Thanks so much See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to substitute multiple symbols in an expression in sympy?

Assigning a variable directly does not modify expressions that used the variable retroactively. >>> from sympy import Symbol >>> ... >>> f x + y See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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909 views

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python - ValueError: Tensor must be from the same graph as Tensor with Bidirectinal RNN in Tensorflow

I'm doing text tagger using Bidirectional dynamic RNN in tensorflow. After maching input's dimension, I tried to run ... int32). Help me, please See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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262 views

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python - Calculate Matrix Rank using scipy

I'd like to calculate the mathematical rank of a matrix using scipy. The most obvious function numpy.rank calculates ... for an answer of 3. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - scraping data from wikipedia table

I'm just trying to scrape data from a wikipedia table into a panda dataframe. I need to reproduce the three ... only the borough... Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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168 views

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python - Animation of histograms in subplot

I have the following animated subplots that simulate histograms of four different distributions: import numpy from ... inside of animation): See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Create a plot from a pandas dataframe pivot table

I'm new to python and was wondering how to create a barplot on this data I created using pivot table function. ... out as I wanted to be. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I identify buttons, created in a loop?

I am trying to program a minesweeper game on python using tkinter. I started off by creating a grid of buttons ... can delete button (2,3)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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477 views

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python - Quicker way to perform fuzzy string match in pandas

Is there any way to speed up the fuzzy string match using fuzzywuzzy in pandas. I have a dataframe as ... this fuzzy string matching process? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

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python - trouble importing stanford pos tagger into nltk

This is probably a very trivial question. I am trying to use the stanford pos tagger through nltk given here ... file. Am i missing something See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - how to apply a generic function over numpy rows?

Before you flag this as duplicate, let me explain to you that I read this page and many others and I still haven ... possible. How do I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Pandas plot bar chart over line

I'm trying to plot a bar and a line on the same graph. Here is what works and what does not work. Would anyone ... kind = 'bar', ax = ax) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Get the highest possible gmtime for any architecture

I am having a problem which started here. I found out why and am not trying to solve something else. What ... caused by CherryPy internaly too. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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112 views

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python - recursive access to dictionary and modification

I have the following dictionary: my_dict = {'key1': {'key2': {'foo': 'bar'} } } and I would like to append an ... '} } } } } Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - infinite recursion in python3.3 setter

Can somebody tell me why there is a recursion in the following code ? class A: def __init__(self): self.a = 0 ... tell me how to do other way ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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