Recent questions tagged Python

0 votes

134 views

1 answer

python - Importing PNG files into Numpy?

I have about 200 grayscale PNG images stored within a directory like this. 1.png 2.png 3.png ... ... 200. ... NumPy arrays. How can I do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

146 views

1 answer

python - Change y range to start from 0 with matplotlib

I am using matplotlib to plot data. Here's a code that does something similar: import matplotlib.pyplot as plt ... autoscale but starts from 0. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

266 views

1 answer

python - How to iterate over arguments

I have such script: import argparse parser = argparse.ArgumentParser( description='Text file conversion.' ) ... arguments and their value? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

377 views

1 answer

python - TypeError: 'tuple' object does not support item assignment when swapping values

I am writing a simple sort program in python and encounter this error. I want to swap list elements ... my_sort(input_list) print(input_list) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

342 views

1 answer

python - What is different between makedirs and mkdir of os?

I am confused to use about these two osmethods to create the new directory. Please give me some example in Python. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

152 views

1 answer

python - Test if code is executed from within a py.test session

I'd like to connect to a different database if my code is running under py.test. Is there a function to call ... s the best way to handle this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

142 views

1 answer

python - How to downcase the first character of a string?

There is a function to capitalize a string, I would like to be able to change the first character of a string to ... can I do that in Python? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

604 views

1 answer

python - How to set self.maxDiff in nose to get full diff output?

When using nose 1.2.1 with Python 3.3.0, I sometimes get an error message similar to the following one == ... urna.""" assert_equal(str1, str2) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

313 views

1 answer

python - How do you find the IQR in Numpy?

Is there a baked-in Numpy/Scipy function to find the interquartile range? I can do it pretty easily myself, but ... - np.percentile(dist, 25) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

248 views

1 answer

python - Pandas dataframe read_csv on bad data

I want to read in a very large csv (cannot be opened in excel and edited easily) but somewhere around the ... keys(); return dataframe, datakeys See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

132 views

1 answer

python - How do I sort a list of datetime or date objects?

How do I sort a list of date and/or datetime objects? The accepted answer here isn't working for me: from datetime ... prints 'None'....what??? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

158 views

1 answer

python - How to allow list append() method to return the new list

I want to do something like this: myList = [10, 20, 30] yourList = myList.append(40) Unfortunately, list ... append to return the new list? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

209 views

1 answer

python - Can't create a docker image for COPY failed: stat /var/lib/docker/tmp/docker-builder error

I want to create a docker image. This is my work directory: Dockerfile.in test.json test.py And this is my ... or directory` Can anyone help me? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

330 views

1 answer

python - Running Multiple spiders in scrapy for 1 website in parallel?

I want to crawl a website with 2 parts and my script is not as fast as I need. Is it possible to launch 2 ... know if it's good for my case. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

300 views

1 answer

python - How to locate a particular "region" of values in a 2D numpy array?

I am working with a 2D numpy array made of 101x101=10201 values. Such values are of float type and range from ... color, the higher the value): See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

358 views

1 answer

python - Tkinter: grid or pack inside a grid?

I am building a GUI for a software and want to achieve this: ###################################### # | some title # # ... in the GUI-hell :/ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

339 views

1 answer

python - Scrapy 's Scrapyd too slow with scheduling spiders

I am running Scrapyd and encounter a weird issue when launching 4 spiders at the same time. 2012-02-06 15:27 ... as quick as they are scheduled? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

412 views

1 answer

python - how to change discord.py bot activity

it may hard to me, but i believe on stackoverflow power, I want to change the bot status from playing to watching. ... ready!") bot.run('TOKEN') See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

212 views

1 answer

python - HTML encoding and lxml parsing

I'm trying to finally solve some encoding issues that pop up from trying to scrape HTML with lxml. Here ... : doc = fromstring(raw_html) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

140 views

1 answer

python - Google apps login in django

I'm developing a django app that integrates with google apps. I'd like to let the users login with their google ... (not in google app engine)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

508 views

1 answer

python - How do I Filter the PyQt QCombobox Items based on the text input?

I need a QCombox which Items are filtered based on the text input. If I set the QCombobox editable, the ... this functionality to the QCombobox? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

483 views

1 answer

python - Editing Photoshop PSD text layers programmatically

I have a multi-layered PSD, with one specific layer being non-rasterized text. I'm trying to figure out a ... advice or ideas on the subject? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

729 views

1 answer

python - ARMA out-of-sample prediction with statsmodels

I'm using statsmodels to fit a ARMA model. import statsmodels.api as sm arma = sm.tsa.ARMA(data, ... predictions) based in this observations? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

131 views

1 answer

python - Running selenium behind a proxy server

I have been using selenium for automatic browser simulations and web scraping in python and it has worked well for ... proxy server now as well? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

377 views

1 answer

python - Pandas: Timestamp index rounding to the nearest 5th minute

I have a df with the usual timestamps as an index: 2011-04-01 09:30:00 2011-04-01 09:30:10 ... 2011-04-01 09 ... 01 09:37:30 2011-04-01 09:40:00 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

142 views

1 answer

python - How to use pyinstaller?

Okay so I'm a complete noob in programming and I'm trying to compile a simple program I wrote that takes in ... file. Can someone please help? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

454 views

1 answer

python - How to ConfigParse a file keeping multiple values for identical keys?

I need to be able to use the ConfigParser to read multiple values for the same key. Example config file: [ ... ...). Any suggestions welcome. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

129 views

1 answer

python - Error when installing using pip

Not sure whats going on here but I am getting an error every time I try to install something using pip ... /T/pip-build-V4hy8S/PySocks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Just Browsing Browsing

Most popular tags