Recent questions tagged Python

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python - Import Error: No module named numpy Anaconda

I have a very similar question to this question. I have only one version of python 3.5 installed on my Windows ... I'm still learning... 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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475 views

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python - Find all indices of maximum in Pandas DataFrame

I need to find all indices where the maximum value (per row) is obtained in a Pandas DataFrame. For instance ... only yields the first maximum. 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 - Conda virtual environment not changing under Windows

I have installed Anaconda 2.2.0 for Windows and created a virtual environment via: > conda create -n my-env ... a dev version over one package. 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 - Using a fake mongoDB for pytest testing

I have code that connects to a MongoDB Client and I'm trying to test it. For testing, I don't want to ... fake_mongo) which also does not 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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python - Fill the right column of a matplotlib legend first

Hey I am trying to fit a legend onto a plot so that it doesn't obscure the graph. import numpy as np ... Any help would 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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491 views

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python - Convert a pandas groupby object to list of dataframes

Say I have the following dataframe, and want to group-by the ys: xs ys 0 0 0 1 1 0 2 2 1 3 ... in grouped: do_something(group) Is this possible? 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 - Maximum recursion depth exceeded. Multiprocessing and bs4

I'm trying to make a parser use beautifulSoup and multiprocessing. I have an error: RecursionError: ... maximum recursion depth exceeded 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 set choices in dynamic with Django choicefield?

I want to set choices in dynamic. I used __set_choices method but, when request method is POST, is_valid method ... is_valid(): #something to do 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 do I schedule an interval job with APScheduler?

I'm trying to schedule an interval job with APScheduler (v3.0.0). I've tried: from apscheduler.schedulers.blocking ... is set to 5 seconds?? 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 - SCons- *** No SConstruct file found

Installed SCons using # cd scons-2.3.0 # python setup.py install After Installation, when i try to run scons ... _main How to overcome 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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404 views

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python - google-app-engine 1.9.19 deploy failure

When trying to deploy using the new Python GoogleAppEngine-1.9.19 in the form of the GAE launcher ... -line parameter --noauth_local_webserver See Question&Answers more detail:os...

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

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511 views

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python - How can I split a string and form a multi-level nested dictionary?

I have a string like foo/bar/baz I also have val=1 for example. Is there a clean way to split the foo/bar/baz into a ... : {'bar': {'baz': 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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458 views

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python - Tried to guess R's HOME but no R command in the PATH. OsX 10.6

I am trying to install rpy2 and I am facing a common issue. Unfortunately all the solution I have found are for ... the PATH What I should do? 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 - TypeError: Cannot cast array data from dtype('int64') to dtype('int32') according to the rule 'safe' while plotting a seaborn.regplot

I'm trying to plot a regplot using seaborn and i'm not unable to plot it and facing TypeError: Cannot ... are appreciated. 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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447 views

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python - Trying to strip b' ' from my Numpy array's savetxt() representation

So I have what I feel is a very dumb problem. I create an array from a file: A1=np.loadtxt(file, ... something incredibly easy I'm overlooking! See Question&Answers more detail:os...

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

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626 views

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python - How is string.find implemented in CPython?

I was wondering if the 'find' method on strings was implemented with a linear search, or if python did ... to the relevant source code? See Question&Answers more detail:os...

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

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393 views

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python - Epoch counter with TensorFlow Dataset API

I'm changing my TensorFlow code from the old queue interface to the new Dataset API. In my old code I kept ... 2.9) through some other means? See Question&Answers more detail:os...

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

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581 views

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python - Undefined symbol error importing Cython module

I want to make available one of my c++ classes as Python module. The class is declared in a header Foo.h ... is possible to solve my problems? See Question&Answers more detail:os...

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

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504 views

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python - LXML kills my CDATA sections

I'm batch-converting a lot of XML files, changing their character encodings to UTF-8: with open(source_filename ... the XML header properly. See Question&Answers more detail:os...

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

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587 views

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python - Read a .csv into pandas from F: drive on Windows 7

I have a .csv file on my F: drive on Windows 7 64-bit that I'd like to read into pandas and manipulate ... amend the path. Thanks for looking. See Question&Answers more detail:os...

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

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577 views

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python - Watch stdout and stderr of a subprocess simultaneously

How can I watch standard output and standard error of a long-running subprocess simultaneously, processing each line as ... :06:37.770187 Out 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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378 views

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python - Edit XML file text based on path

I have an XML file (e.g. jerry.xml) which contains some data as given below. <data> <country name="Peru ... nodes and save each file. 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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802 views

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python - grouping consecutive rows in PySpark Dataframe

I have the following example Spark DataFrame: rdd = sc.parallelize([(1,"19:00:00", "19:30:00", 30), ... my approach was flawed for many reasons. See Question&Answers more detail:os...

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

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439 views

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python - Sum slices of consecutive values in a NumPy array

Let's say I have a numpy array a containing 10 values. Just an example situation here, although I would like to ... do I go about doing 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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422 views

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python - WTForms creating a custom widget

The WTForms documentation is woefully inadequate, they don't even show you one single example of a custom widget ... , description='Save 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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846 views

1 answer

python - 'utf-8' codec can't decode byte 0x80

I'm trying to download BVLC-trained model and I'm stuck with this error UnicodeDecodeError: 'utf-8' codec can't ... Any idea how to 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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544 views

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python - Get date and time of installation for packages installed via pip

I would like to find a way to get the calendar date and time in hour:minute:seconds format for my packages ... Seconds for each package. 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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516 views

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python - Stratified splitting of pandas dataframe into training, validation and test set

The following extremely simplified DataFrame represents a much larger DataFrame containing medical diagnoses: medicalData ... stratified split. See Question&Answers more detail:os...

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

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