Recent questions tagged Python

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python - How to get rid of grid lines when plotting with Seaborn + Pandas with secondary_y

I'm plotting two data series with Pandas with seaborn imported. Ideally I would like the horizontal grid lines shared ... =['B'],grid=False) See Question&Answers more detail:os...

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

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python - tf.data.Dataset: how to get the dataset size (number of elements in a epoch)?

Let's say I have defined a dataset in this way: filename_dataset = tf.data.Dataset.list_files("{}/*.png". ... a way to get this information. See Question&Answers more detail:os...

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

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264 views

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python - Shebang doesn't work with python3

I have the following program: #!/usr/local/bin/python3 print("Hello") Via terminal I do test.py and I get: ... ----> /usr/local/bin/python3 See Question&Answers more detail:os...

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

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291 views

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python - How to show instance attributes in sphinx doc?

Is there any way to automatically show variables var1 and var2 and their init-values in sphinx documentation? class ... def method(self): pass See Question&Answers more detail:os...

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

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420 views

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python - Get Primary Key after Saving a ModelForm in Django

How do I get the primary key after saving a ModelForm? After the form has been validated and saved, I would ... ) else: form = ContactForm() See Question&Answers more detail:os...

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

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240 views

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python - How to check if an argument from commandline has been set?

I can call my script like this: python D:myscript.py 60 And in the script I can do: arg = sys.argv[1] foo ... : print "You must set argument!!!" See Question&Answers more detail:os...

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

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python - Is the use of del bad?

I commonly use del in my code to delete objects: >>> array = [4, 6, 7, 'hello', 8] >>> del(array[array.index(' ... ' is not defined >>> b [] >>> See Question&Answers more detail:os...

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

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484 views

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python - Numpy remove a dimension from np array

I have some images I want to work with, the problem is that there are two kinds of images both are 106 x 106 pixels, ... Out[67]: (106, 106, 2) See Question&Answers more detail:os...

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

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236 views

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python - How do I write to the console in Google App Engine?

Often when I am coding I just like to print little things (mostly the current value of variables) out to ... terminal, using Google App Engine? See Question&Answers more detail:os...

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

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322 views

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python - unittest colored output

I use unittest (actually unittest2) for Python testing, together with Python Mock for mocking objects and nose to ... I actually like unittest) See Question&Answers more detail:os...

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

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319 views

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python - How to update a document using elasticsearch-py?

Does anyone have an example for how to use update? It's documented here, but the documentation is unclear and doesn ... 'doc' or 'document'. See Question&Answers more detail:os...

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

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199 views

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python - Using virtualenv with spaces in a path

I set up a virtualenv environment on my Mac, but cannot get Pip to install packages. It fails with the following ... a better solution to this? See Question&Answers more detail:os...

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

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382 views

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python - which one should I use: os.sep or os.path.sep?

They are same, but which one should I use? http://docs.python.org/library/os.html: os.sep The character ... useful. Also available via os.path. See Question&Answers more detail:os...

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

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196 views

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python - Get available modules

With PHP you have the phpinfo() which lists installed modules and then from there look up what they do. Is ... /modules are installed to import? See Question&Answers more detail:os...

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

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280 views

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python - No module named serial

and I got a question when I run my Python code. I installed Python 2.7 on Windows 7, bit 64. I got ... it out. Any advice would be appreciated. See Question&Answers more detail:os...

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

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561 views

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python - s3 urls - get bucket name and path

I have a variable which has the aws s3 url s3://bucket_name/folder1/folder2/file1.json I want to get the bucket_name ... , but couldn't find it. See Question&Answers more detail:os...

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

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415 views

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python - PyMongo upsert throws "upsert must be an instance of bool" error

I'm running an update on my MongoDB from Python. I have this line: self.word_counts[source].update({'date' ... I correctly write this update? See Question&Answers more detail:os...

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

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249 views

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python - How to add custom search box in Django-admin?

I know this is gonna be a very basic question. In Django, I have successfully created an admin panel. Now I ... box in my above given model. See Question&Answers more detail:os...

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

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416 views

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python - How to access a field of a namedtuple using a variable for the field name?

I can access elements of a named tuple by name as follows(*): from collections import namedtuple Car = namedtuple(' ... I am using Python 2.7. See Question&Answers more detail:os...

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

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340 views

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python - How to disable a pep8 error in a specific file?

I tried with #:PEP8 -E223 or # pep8: disable=E223 I thought the second would work but doesn't seems to work. ... idea how I can handle this ? See Question&Answers more detail:os...

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

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220 views

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python - How to join entries in a set into one string?

Basically, I am trying to join together the entries in a set in order to output one string. I am trying to ... is the equivalent call for sets? See Question&Answers more detail:os...

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

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179 views

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python - What does it mean for an object to be picklable (or pickle-able)?

Python docs mention this word a lot and I want to know what it means! Googling doesn't help much.. See Question&Answers more detail:os...

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

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256 views

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python - Reload django object from database

Is it possible to refresh the state of a django object from database? I mean behavior roughly equivalent to: ... maintainers don't like this. See Question&Answers more detail:os...

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

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466 views

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python - Preserving indentation with Tesseract OCR 4.x

I'm struggling with Tesseract OCR. I have a blood examination image, it has a table with indentation. Although ... for your help and your time See Question&Answers more detail:os...

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

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492 views

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python - Smoothing Data in Contour Plot with Matplotlib

I am working on creating a contour plot using Matplotlib. I have all of the data in an array that is ... enough to affect the contour plot. See Question&Answers more detail:os...

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

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242 views

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python - Scrape a web page that requires they give you a session cookie first

I'm trying to scrape an excel file from a government "muster roll" database. However, the URL I have to ... or even using the requests library? See Question&Answers more detail:os...

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

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196 views

1 answer

python - Django form to query database (models)

So I want to create a super basic form with a single input field which will be used to query my database. ... mind helping me out? Thanks. See Question&Answers more detail:os...

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

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197 views

1 answer

python - Django Ajax Jquery Call

This may be basic, but I've spent two days, read countless tutorials and I still can not get this to work. For ... (){ alert("Error"); }, See Question&Answers more detail:os...

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

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