Recent questions tagged Python

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python - Log all errors to console or file on Django site

How can I get Django 1.0 to write all errors to the console or a log file when running runserver in ... around import statements. Thanks, Jeff See Question&Answers more detail:os...

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

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169 views

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python - How to convert hex string to hex number?

I have integer number in ex. 16 and i am trying to convert this number to a hex number. I tried to achieve ... to simply a hex number. 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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python - How can I get generators/iterators to evaluate as False when exhausted?

Other empty objects in Python evaluate as False -- how can I get iterators/generators to do so as well? 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 - recursively traverse multidimensional dictionary, dimension unknown

I want to create a function to recursively traverse a multidimensional dictionary, where the dimensions are unknown. Here is what ... }, }, }, } 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 - Format a string that has extra curly braces in it

I have a LaTeX file I want to read in with Python 3 and format a value into the resultant string. Something ... get KeyError: 'This and that' See Question&Answers more detail:os...

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

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224 views

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python - django count of foreign key model

Hi i want to display a count of answers to my question model my model: class Question(models.Model): text = ... filter it by the Question 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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python - Interweave two dataframes

Suppose I have two dataframes d1 and d2 d1 = pd.DataFrame(np.ones((3, 3), dtype=int), list('abc'), [0, 1, 2]) d2 = ... b 1 0 1 0 1 c 1 0 1 0 1 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 - Nested Blueprints in Flask?

I'm still new to Flask, so there may be an obvious way to accomplish this, but I haven't been able ... alternative way to handle this problem? See Question&Answers more detail:os...

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

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750 views

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python - Ignore certificate validation with urllib3

I'm using urllib3 against private services that have self signed certificates. Is there any way to have ... the documentation for API endpoints 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 - Undefined variable from import when using wxPython in pydev

I just downloaded wxPython, and was running some of the sample programs from here. However, on every line ... the wxPython install is fresh. See Question&Answers more detail:os...

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

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246 views

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python - How can I display an image using Pillow?

I want to display a gif image using Pillow Here is my simple code: from tkinter import * from PIL import ... help will be appreciated 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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154 views

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python - DataFrame sorting based on a function of multiple column values

Based on python, sort descending dataframe with pandas: Given: from pandas import DataFrame import pandas as pd d = ... not yet find a solution. See Question&Answers more detail:os...

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

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700 views

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python - cv2.VideoCapture.open() always returns FALSE

I am trying to access a Logitech c310 webcam on my beaglebone. It always returns false for any device ID, I ... I apologize for that in advance. See Question&Answers more detail:os...

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

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173 views

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python "help" function: printing docstrings

Is there an option to print the output of help('myfun'). The behaviour I'm seeing is that output is printed ... out there that explains it all? See Question&Answers more detail:os...

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

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465 views

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python - How to specify floating point decimal precision from variable?

I have the following repetitive simple code repeated several times that I would like to make a function for: ... this kind of functionality? See Question&Answers more detail:os...

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

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304 views

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python - How to use login_required in django rest view

I am trying to use a custom login url in specific view @login_required(login_url='/account/login/') class home( ... class-based view? thank you! See Question&Answers more detail:os...

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

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176 views

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python - Saving Keras models with Custom Layers

I am trying to save a Keras model in a H5 file. The Keras model has a custom layer. When I try to ... tf.keras.models.load_model('model.h5') See Question&Answers more detail:os...

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

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288 views

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python - Nested List to Pandas Dataframe with headers

Basically I am trying to do the opposite of How to generate a list from a pandas DataFrame with the column name ... it is formatted this way... See Question&Answers more detail:os...

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

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148 views

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python - It is possible to match a character repetition with regex? How?

Question: Is is possible, with regex, to match a word that contains the same character in different positions? ... comments, I'm using python See Question&Answers more detail:os...

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

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260 views

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python - Py2Exe: DLL load failed

When trying to use py2exe to convert a simple Python game I made into exe format, it gave me the following ... you all very much in advance. See Question&Answers more detail:os...

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

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315 views

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python - Most efficient way to remove multiple substrings from string?

What's the most efficient method to remove a list of substrings from a string? I'd like ... remove_multiple_strings(words, replace_list) See Question&Answers more detail:os...

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

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422 views

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python - How to merge two lists into dictionary without using nested for loop

I have two lists: a = [0, 0, 0, 1, 1, 1, 1, 1, .... 99999] b = [24, 53, 88, 32 ... ways to construct such a dictionary? Thanks in advance! 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 - Count letter differences of two strings

This is the behaviour I want: a: IGADKYFHARGNYDAA c: KGADKYFHARGNYEAA 2 difference(s). See Question&Answers more detail:os...

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

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654 views

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python - filtering dropdown values in django admin

class Foo(models.Model): title = models.TextField() userid = models.IntegerField() image = models.CharField( ... out those empty values. See Question&Answers more detail:os...

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

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261 views

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python - Matplotlib: Change math font size

I am making some plots with matplotlib, and I've come across a problem with the TeX rendering. It seems that the ... there any way to fix 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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142 views

1 answer

python - How to standard scale a 3D matrix?

I am working on a signal classification problem and would like to scale the dataset matrix first, but my data ... . Thank you very 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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230 views

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python - Convert string (without any separator) to list

I have a phone number(string), e.g. "+123-456-7890", that I want to turn into a list that looks like: [ ... Also: filter(lambda x: x isdigit()) See Question&Answers more detail:os...

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

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1.5k views

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python - Cast string to float is not supported in Linear Model

I keep getting this error in my linear model: Cast string to float is not supported Specifically, the error is on this ... . How do I fix 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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