Recent questions tagged Python

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python - What are the problems with loading CSS and JS from Django to IIS7?

I successfully deployed my Django site to IIS7 but I still have problems about how to configure IIS to serve the ... -step guide to help me? 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 - Populate a Pandas SparseDataFrame from a SciPy Sparse Coo Matrix

(This question relates to "populate a Pandas SparseDataFrame from a SciPy Sparse Matrix". I want to populate a ... kills RAM badly...! 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 scientific notation with forced leading zero

I want to have Python2.7 print out floating point numbers in scientific notation, forced to start with 0. For ... can I achieve this? 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 - Why does numpy Dot product of 2d array with 1d array produce 1d array?

I try to run the code like below: >>> import numpy as np >>> A = np.array([[1,2], [3,4], [5,6]]) ... ,53,83]) 23 53 83 why the result occurred? 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 - yield slower than return. why?

I wrote two function f and g with same functionality def f(l, count): if count > 1: for i in f(l, count ... 0m7.389s user 0m7.376s sys 0m0.012s 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 - Extracting HTML between tags

I want to extract all HTML between specific HTML tags. <html> <div class="class1">Included Text</div> [.. ... whether I must use regex instead. 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 to properly add PyTZ to a Google App Engine application?

This is a little embarrassing, but I have not been able to find good resources on this topic. I'm working on a Google ... Nov 10 12:48 Asia ... 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 - replace string in pandas dataframe

I have a dataframe with multiple columns. I want to look at one column and if any of the strings in the column ... would I go about doing 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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608 views

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python - Word boundary with regex - cannot extract all words

I need extract double Male-Cat: a = "Male-Cat Male-Cat Male-Cat-Female" b = re.findall(r'(?:s|^)Male- ... what is wrong and what is correct 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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python - Py2exe isn't copying webdriver_prefs.json into builds

I'm using py2exe to compile a Python 2.7 script that uses Selenium 2.39.0 to open up Firefox windows and ... for any help others can offer. 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 - `pickle`: yet another `ImportError: No module named my_module`

I have a class MyClass defined in my_module. MyClass has a method pickle_myself which pickles the instance of the ... It only fails on Windows. 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 3.x - How do I annotate the type of a parameter of an abstractmethod, when the parameter can have any type derived from a specific base type?

How do I annotate the type of a function parameter of a abstractmethod, when the parameter can have any ... is derived from BaseConfig? 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 - Euclidean distance of points coordinates in pandas dataframe

I have a pandas dataframe with six columns, first three columns contain x, y and z reference coordinate, and ... you give me some suggestions? See Question&Answers more detail:os...

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

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609 views

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python - Generate random numbers only with specific digits

How do I generate a random number from a specific set of digits? For example, I want to generate numbers from the ... of doing it? 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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454 views

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python - Is it possible to remove requests from scrapys scheduler queue?

Is it possible to remove requests from scrapy's scheduler queue? I have a working routine that limits crawling to a ... the time limit is hit. See Question&Answers more detail:os...

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

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525 views

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python - GridSearchCV final model

If I use GridSearchCV in scikit-learn library to find the best model, what will be the final model it ... the best setting of parameters? See Question&Answers more detail:os...

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

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726 views

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python - Split column into unknown number of columns according to number of words- Pandas

I have a pandas data frame with one of its column containing some string. I want to split that column into ... Please help. 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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532 views

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python - Keras CNN Error: expected Sequence to have 3 dimensions, but got array with shape (500, 400)

I'm getting this error: ValueError: Error when checking input: expected Sequence to have 3 dimensions, but got ... epochs =5) Any insights? See Question&Answers more detail:os...

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

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629 views

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python - Detect single string fraction (ex: ½ ) and change it to longer string?

ex: "32 ? is not very hot " to x = "info: 32, numerator = 1, denominator = 2" Note: it could be 3 ... decoded and is a string with length one. See Question&Answers more detail:os...

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

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440 views

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python - Efficiently delete each row of an array if it occurs in another array in pure numpy

I have one numpy array, where indices are stored in the shape of (n, 2). E.g.: [[0, 1], [2, 3 ... only solution, which does not require a loop? See Question&Answers more detail:os...

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

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535 views

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python - Yielding sub combinations

I need a function which returns subsegments for a given segment. For example, sub_combinations("ABCD") should yield: ... on how to proceed? See Question&Answers more detail:os...

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

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448 views

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python - Why does this class run?

I've been playing with my codes a little for a while, and this one is not about a bug or anything, but i ... , thank you very much for reading. See Question&Answers more detail:os...

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

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725 views

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python - pandas subplots in a loop

I have this code which plots well my plots in a 1 row and 6 columns I tried unsuccessfully to plot it in a 2x3 or ... str(i)]].plot(ax=axes[j]) See Question&Answers more detail:os...

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

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432 views

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python - How to make pipeline for multiple dataframe columns?

I have Dataframe which can be simplified to this: import pandas as pd df = pd.DataFrame([{ 'title': 'batman ... which I am missing? Many 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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377 views

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python - Access the result of a previous calculation in custom function passed to apply()

I'm working with Pandas in Python and I would like to access the result of the previous calculation when ... values of the input series. 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

1 answer

python - Interpolate values row-wise for 2D Numpy array

I have two numpy arrays: x = np.array([1,2,3,4,5]) y = np.array([10,20,30,40,50]) What I try to get is something ... [ 5., 0., 0., 0., 50.]]) See Question&Answers more detail:os...

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

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451 views

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python - Editing related objects in ModelFormSet

I have these Models: class Gallery(models.Model): HeadImage = models.ImageField(upload_to="gallery") class Image(models ... , line 256 ... See Question&Answers more detail:os...

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

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565 views

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python - Changing row order in pandas dataframe without losing or messing up data

I have following dataframe: (Index) sample reads yeasts 9 CO ref 10 10 CO raai 20 11 CO tus 30 I want to change ... How can I get this to work? See Question&Answers more detail:os...

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

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