Recent questions tagged Python

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I have an XML file like this: <hierachy> <att> <Order>1</Order> <attval>Data</attval> <children> <att> ... and it printed the same things twice. See Question&Answers more detail:os...

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

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python - What is the easiest way to convert ndarray into cv::Mat?

I'm trying to create Python/Cython wrapper for C++ library that uses cv::Mat class from OpenCV. In official Python ... cv::Mat from np.ndarray? See Question&Answers more detail:os...

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

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python - Serve protected media files with django

I'd like Django to serve some media files (e.g. user-uploaded files) only for logged-in users. Since ... store and serve protected media files? See Question&Answers more detail:os...

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

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python - BeautifulSoup and class with spaces

With BeautifulSoul and Python, I want to find_all all the tr items matching a given class attribute that contains ... here with no answer. See Question&Answers more detail:os...

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

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python - How can I understand a .pyc file content

I have a .pyc file. I need to understand the content of that file to know how the disassembler works of python ... this using the .pyc file. See Question&Answers more detail:os...

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

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python - Filter out rows with more than certain number of NaN

In a Pandas dataframe, I would like to filter out all the rows that have more than 2 NaNs. Essentially, I ... advise on how to achieve this? See Question&Answers more detail:os...

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

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python - Plot 3D convex closed regions in matplotlib

I am trying to plot in 3D a polytope defined by a set of inequalities. Essentially, I try to reproduce the ... ax.add_collection3d(f) plt.show() See Question&Answers more detail:os...

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

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python 3.x - Unable to use cv_bridge with ROS Kinetic and Python3

I had a computer vision project on Ubuntu 14.04 with ROS indigo and python3, then I had to move on Ubuntu ... but my project requires python3.5. See Question&Answers more detail:os...

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

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python - Pandas Plots: Separate color for weekends, pretty printing times on x axis

I created a plot which looks like I have a few issues: How can i specifically show the weekends. Some ways i ... -null values dtypes: float64(4) See Question&Answers more detail:os...

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

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python - Sklearn components in pipeline is not fitted even if the whole pipeline is?

I'm trying to single out a component/transformer from a fitted pipeline to inspect it's behavior. However, ... before using this method. See Question&Answers more detail:os...

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

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526 views

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python - PIL Image to QPixmap conversion issue

I've been struggling with this challenge for the best of today, I've managed to get a good point using previous ... GUI Thanks in advance :). See Question&Answers more detail:os...

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

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python - How to count objects in Tensorflow Object Detection API

I am executing https://github.com/tensorflow/tensorflow this example of detecting objects in image. I want to get ... I get the object count? See Question&Answers more detail:os...

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

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python - Serving interactive bokeh figure on heroku

I'm trying to serve an interactive bokeh figure via heroku. The figure I'm trying to have served is ... service=4ms status=403 bytes=219 See Question&Answers more detail:os...

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

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python - Why Do I get an ImportError when building a .exe with pyinstaller?

I just created a small GUI program that compiles and works fine in IPython, but when I try to export ... ImportError: No module named typedefs See Question&Answers more detail:os...

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

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python - R_HOME Error with rpy2

I know there are quite a few posts on getting up and running with rpy2 on windows 7 32 bit. I ... conversion RuntimeError: R_HOME not defined. See Question&Answers more detail:os...

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

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397 views

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python - Calling a coroutine from asyncio.Protocol.data_received

This is similar to Calling coroutines in asyncio.Protocol.data_received but I think it warrants a new question. I ... about what to look at. See Question&Answers more detail:os...

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

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python - How to edit properties of whiskers, fliers, caps, etc. in Seaborn boxplot

I have created a nested boxplot with an overlayed stripplot using the Seaborn package. I have seen answers on ... ) fig1.set_size_inches(10,7) See Question&Answers more detail:os...

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

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299 views

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python - PyQt - Column of Checkboxes in a QTableView

I am dynamically creating a QTableView from a Pandas dataframe. I have example code here. I can create the table ... , model, index) return True See Question&Answers more detail:os...

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

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python - Convert integer to binary array with suitable padding

I have integers in the range 0..2**m - 1 and I would like to convert them to binary numpy arrays of length m ... whatever m I have in the code. See Question&Answers more detail:os...

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

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python - How to find zero crossings with hysteresis?

In numpy, I would like to detect the points at which the signal crosses from (having been previously) below a ... to do without a loop? See Question&Answers more detail:os...

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

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python - How to remove small connected objects using OpenCV

I use OpenCV and Python and I want to remove the small connected object from my image. I have the following ... I achieve this using OpenCV? See Question&Answers more detail:os...

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

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python - How do I pass variables between class instances or get the caller?

class foo(): def __init__(self) self.var1 = 1 class bar(): def __init__(self): print "foo var1" f = foo ... how to access the caller in python. See Question&Answers more detail:os...

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

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148 views

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python - How to create custom Scrapy Item Exporter?

I'm trying to create a custom Scrapy Item Exporter based off JsonLinesItemExporter so I can slightly alter the ... not resulting in anything. See Question&Answers more detail:os...

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

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python - Multiple async requests simultaneously

I'm trying to call ~ 300 API calls at the same time, so that I would get the results in a couple of ... simultaneously. What am I doing wrong? See Question&Answers more detail:os...

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

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python - Pop-out / expand jupyter cell to new browser window

I have a jupyter notebook cell that looks like this: Is there any way to pop / expand out this to a new ... R/RStudio... is this possible? See Question&Answers more detail:os...

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

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273 views

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python - Can I make matplotlib sliders more discrete?

I'm using matplotlib sliders, similar to this demo. The sliders currently use 2 decimal places and 'feel' quite ... My google-fu failed me. See Question&Answers more detail:os...

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

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python - Pip SSL Error on Windows

I use Python 3.x on Windows 7 64 bit in an environment without full control of inbound/outbound traffic processing ... failed (_ssl.c:749) See Question&Answers more detail:os...

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

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python - How can we get tweets from specific country

I've read a lot about this part and what I found is to write the geocode and search for tweets for example ... to be included, is that possible? See Question&Answers more detail:os...

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

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