Recent questions tagged Python

0 votes

272 views

1 answer

python - Make special diagonal matrix in Numpy

I am trying to make a numpy array that looks like this: [a b c ] [ a b c ] [ a b c ] [ a b c ... . What would be an efficient way of doing this? See Question&Answers more detail:os...

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

0 votes

217 views

1 answer

python - How do you use Django-filter's '__in' lookup?

I am using Django REST framework with the django-filter package, but my question is mostly about django-filter. I ... -filter's '__in' lookup? See Question&Answers more detail:os...

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

0 votes

121 views

1 answer

python - Selenium webdriver using switch_to_windows() and printing the title doesn't print the title.

Here is the code for handle in browser.window_handles: print "Handle = ",handle browser.switch_to_window(handle); ... the title tag though. See Question&Answers more detail:os...

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

0 votes

1.2k views

1 answer

python - How to show minor tick labels on log-scale with Matplotlib

Does anyone know how to show the labels of the minor ticks on a logarithmic scale with Python/Matplotlib? See Question&Answers more detail:os...

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

0 votes

186 views

1 answer

python - Instance is an "object", but class is not a subclass of "object": how is this possible?

How is it possible to have an instance of a class which is an object, without the class being a ... > isinstance(old_style, object) True See Question&Answers more detail:os...

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

0 votes

302 views

1 answer

python - TypeError: expected a character buffer object

I am running into the following error while writing the value into a file. Can you please help me figure ... expected a character buffer object See Question&Answers more detail:os...

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

0 votes

142 views

1 answer

python - Matplotlib - How to remove a specific line or curve

I want to remove a specific line in a plot of multiple lines. Bellow is a given example which is not sufficient ... .remove(self.axes.lines[0]) See Question&Answers more detail:os...

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

0 votes

379 views

1 answer

python - pysftp vs. Paramiko

I have a simple requirement to drop a file on an SFTP server. I have found pysftp and Paramiko libraries that ... the pros and cons for each? See Question&Answers more detail:os...

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

0 votes

195 views

1 answer

python - Can I send callbacks to a KerasClassifier?

I want the classifier to run faster and stop early if the patience reaches the number I set. In the following ... model for later use... See Question&Answers more detail:os...

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

0 votes

1.2k views

1 answer

python - parse multipart/form-data, received from requests post

I am writing Web Service Client, using requests library. I am getting data in multipart/form-data that contains a file and ... with " ..... " See Question&Answers more detail:os...

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

0 votes

118 views

1 answer

python - Change default float print format

I've some lists and more complex structures containing floats. When printing them, I see the floats with a ... to change the default behavior? See Question&Answers more detail:os...

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

0 votes

115 views

1 answer

python - PyDev and Django: how to restart dev server?

I'm new to Django. I think I'm making a simple mistake. I launched the dev server with Pydev: RClick on ... . What am I doing wrong here? See Question&Answers more detail:os...

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

0 votes

386 views

1 answer

python - Proper way to parse requirements file after pip upgrade to pip 10.x.x?

So today I did found out that with the release of pip 10.x.x the req package changed its ... best practice without using parse_requirements? See Question&Answers more detail:os...

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

0 votes

340 views

1 answer

python - mod_wsgi isn't honoring WSGIPythonHome

I'm trying to get WSGI to run with a virtualenv setup. I have the virtualenv all working right: (virtualenv) ... debug this kind of problem? See Question&Answers more detail:os...

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

0 votes

183 views

1 answer

python - Matplotlib legend for an arrow

I would like to know how it is possible to label an arrow and show it in the legend of a plot. For instance ... box an arrow next to its label. See Question&Answers more detail:os...

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

0 votes

295 views

1 answer

python - Fill Bounding Boxes in 2D array

I have a 2D numpy array which looks like array([[0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0 ... want to ignore them and the groups are mostly 2. See Question&Answers more detail:os...

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

0 votes

185 views

1 answer

python - Return SQLAlchemy results as dicts instead of lists

When I examine the results of a query, it looks like a list of lists. I want to return a list of dicts mapping ... (4, 'campaign title', 1)] See Question&Answers more detail:os...

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

0 votes

118 views

1 answer

python - Showing an image with pylab.imshow()

I'm relatively new to all this and I started the tutorial on image analysis here. When trying to perform the ... work out was is going wrong. See Question&Answers more detail:os...

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

0 votes

477 views

1 answer

python - Assigning multiple column values in a single row of pandas DataFrame, in one line

I'm trying to Assign multiple values to a single row in a DataFrame and I need the correct syntax. See the code ... , 20.2] Thanks for the help See Question&Answers more detail:os...

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

0 votes

193 views

1 answer

python - In sklearn.decomposition.PCA, why are components_ negative?

I'm trying to follow along with Abdi & Williams - Principal Component Analysis (2010) and build principal components ... ] [False False False]] See Question&Answers more detail:os...

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

0 votes

139 views

1 answer

python - Celery. Decrease number of processes

Is there any way around to limit number of workers in celery? I have small server and celery always creates 10 ... this number to 3 processes. See Question&Answers more detail:os...

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

0 votes

410 views

1 answer

python - Airflow ExternalTaskSensor gets stuck

I'm trying to use ExternalTaskSensor and it gets stuck at poking another DAG's task, which has already been ... What am I missing here? See Question&Answers more detail:os...

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

0 votes

418 views

1 answer

python - Pygame: Draw single pixel

I'm looking for method that allow me to draw single pixel on display screen. For example when I click mouse, I ... s not working as I want). See Question&Answers more detail:os...

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

0 votes

109 views

1 answer

python - Dynamically create class attributes

I need to dynamically create class attributes from a DEFAULTS dictionary. defaults = { 'default_value1':True, ' ... very much in advance! See Question&Answers more detail:os...

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

0 votes

105 views

1 answer

python - Setting an axis in matplotlib

I'm producing a graph in matplotlib and I would like to set the x-axis between 0-10000 but I do ... xlim. Any suggestions appreciated thanks See Question&Answers more detail:os...

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

0 votes

435 views

1 answer

python - How to randomly partition a list into n nearly equal parts?

I have read the answers to the Slicing a list into n nearly-equal-length partitions [duplicate] question ... opposed to incremental assignment. See Question&Answers more detail:os...

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

0 votes

425 views

1 answer

python - tensorflow einsum vs. matmul vs. tensordot

In tensorflow, the functions tf.einsum, tf.matmul, and tf.tensordot can all be used for the same tasks. ... generally preferable to the others? See Question&Answers more detail:os...

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

0 votes

650 views

1 answer

python - How does one ignore extra arguments passed to a data class?

I'd like to create a config dataclass in order to simplify whitelisting of and access to specific ... keyword argument 'SOME_DEFAULT_ENV_VAR'. See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags