Recent questions tagged Python

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python - ElementTree - findall to recursively select all child elements

Python code: import xml.etree.ElementTree as ET root = ET.parse("h.xml") print root.findall('saybye') ... collect all three saybye elements? 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 - Change color of "tab header" in ttk.Notebook

Gretings! I want to change the color displayed in a tab header, created using ttk.Notebook. After search for a ... .pack() 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 - How to designate where pygame creates the game window

Is there any way to control where pygame creates the game screen? It seems to always create it in the same ... not in a consistent location. 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 - Reading unicode elements into numpy array

Consider a text file called "new.txt" containing the following elements: μm ?r ?λ In Python 2.7, I can ... file into numpy directly? 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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python - List slicing with dynamic index on [:index]

I need to slice a list using negative dynamic indexes ([:-index]). This was easy until I realized that if the value ... : I am using Python 2.7. 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 - is it possible to append figures to Matplotlib's PdfPages?

I want to save 2 figures created at different parts of a script into a PDF using PdfPages, is it possible to ... ) as pdf: pdf.savefig(fig1) 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 - When is the existence of nonlocal variables checked?

I am learning Python and right now I am on the topic of scopes and nonlocal statement. At some point I ... how nonlocal statement is processed? 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 - Adding a DataFrame column with len() of another column's values

I'm having a problem trying to get a character count column of the string values in another column, and haven't ... been able to figure it out. 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 resample interpolate is producing NaNs

Modified from this example: import io import pandas as pd import matplotlib.pyplot as plt data = io.StringIO(''' Values ... 47:15 NaN .... Why? 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 - 'pip setup.py bdist_wheel' no longer builds forced non-pure wheels

I have a project that compiles with C extensions on Linux, but without them on Windows. When I first generated the ... the ones for Python 3.5? 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 threshold within multiple rectangular bounding boxes in an image?

My question is that: I have ROI's for the bounding boxes around the objects in an image. The ROI's are ... the question ROI file for first image 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 - Connecting to rabbitmq docker container from service in another container

I've done a lot of searching but I cannot fix this issue. I have a basic Rabbitmq container running via ... each other through rabbit. 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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python - Django project looking for "attribute '_session_cache'"

So I have a Django project that doesn't use a database (the 'DATABASES' setting is commented out). I chose ... to the server). Really weird. See Question&Answers more detail:...

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

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python - What is the difference between `sep` and `delimiter` attributes in pandas.read_csv() method?

What is the difference between sep and delimiter attributes in pandas.read_csv() method? Also what is the ... have only one attribute? 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 - Populate numpy matrix from the difference of two vectors

Is it possible to construct a numpy matrix from a function? In this case specifically the function is the ... the speed advantage of numpy. See Question&Answers more detail:os...

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

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321 views

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python - Wagtail: Display a list of child pages inside a parent page

In Wagtail CMS, I'm trying to create an index page that will display a list of all its child pages along ... image fields for the child pages? 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 - Is it possible to anchor a matplotlib annotation to a data coordinate in the x-axis, but to a relative location in the y-axis?

I have a plot where I'd like to annotate a specific location on the x-axis with an arrow and a ... applied to a matplotlib.text.Annotation? 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 - PyQt: app.exec_() stops all following code from running

I have a code which looks like: app = QApplication(sys.argv) self.interface = Interface() # The figure self ... can I continue running the code? 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 - When is "self" required?

I have been using classes for only a short while and when I write a method, I make all variables reference ... there a general rule of thumb? 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 3.x - import cvxopt.base: the specified module could not be found

I'm new to Python, just installed cvxopt module for my Python3.3 system (64 bit). The installation was ... this problem? Thanks a lot! 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 - Append value to one list in dictionary appends value to all lists in dictionary

The Problem I am creating a dictionary with empty lists as values in the following way. >>> words = dict. ... input. Thank you 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 - Pyqt how to get a widget's dimensions

I am currently developing an application in which i cannot use modal windows (due to some application ... the centralwidget. Thank you 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 3D scatter color lost after redraw

Related to this question, I want a 3D scatter plot with prescribed colors for each point. The example posted in the ... the two images, I get: See Question&Answers more detail:os...

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

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766 views

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python - Create an abstract Enum class

I'm trying to create an abstract enum (Flag actually) with an abstract method. My final goal is to be able ... Is it possible to achieve 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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192 views

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python - Importing text file : No Columns to parse from file

I am trying to take input from sys.stdin. This is a map reducer program for hadoop. Input file is in txt ... file. Can anybody help? 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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446 views

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python - Split with single colon but not double colon using regex

I have a string like this "yJdz:jkj8h:jkhd::hjkjh" I want to split it using colon as a separator, but not a ... string.replace("::", "$$") 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 - reading lines 2 at a time

Is there a better way to read lines two at a time from a file in python than: with open(fn) as f: for ... (). Not to mention the print change See Question&Answers more detail:os...

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

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679 views

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python - How to Install M2crypto on Windows

After installing OpenSSL, downloading the pre-built Swig executable, and ensuring the openssl libraries are located in ... versions of GCC? See Question&Answers more detail:os...

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

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