Recent questions tagged Python

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Having played around a little with both Tkinter and wxPython, I like Tkinter much better in terms of how ... components has to use wxPython? 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 - Convert a 2d matrix to a 3d one hot matrix numpy

I have np matrix and I want to convert it to a 3d array with one hot encoding of the elements as third dimension. Is there ... 0,0], [0,0,0,1]] 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 - Pyspark DataFrame UDF on Text Column

I'm trying to do some NLP text clean up of some Unicode columns in a PySpark DataFrame. I've tried in ... scala:1741) at org.apache.spark.api.python.PythonRunner$WriterThread.run(P...

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

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python - GridSearch over MultiOutputRegressor?

Let's consider a multivariate regression problem (2 response variables: Latitude and Longitude). Currently, a ... there a better alternative? 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 use numpy.r_ instead of concatenate

In which case using objects like numpy.r_ or numpy.c_ is better (more efficient, more suitable) than using ... it does the same thing. 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 - Find text position in PDF file

I have a PDF file and I am trying to find a specific text in the PDF and highlight it using Python. I found ... of a given text in the PDF. 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 - Error when using pyinstaller: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff

I have an issue when i compile a PyQt code with pyinstaller. I use this line to compile: c: ... error is coming from zmq? 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 make scrapy crawl break and exit when encountering the first exception?

For development purposes, I would like to stop all scrapy crawling activity as soon a first exception (in a ... pipeline) occurs. Any advice? 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 the predict_proba() function of RandomForestClassifier in the safe and right way

I'm using Scikit-learn to apply machine learning algorithm on my data sets. Sometimes I need to have the ... next 5 digit for example? 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 - Create feature vector programmatically in Spark ML / pyspark

I'm wondering if there is a concise way to run ML (e.g KMeans) on a DataFrame in pyspark if I have ... extended with the `prediction` column.> 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 - Sending packets from pcap with changed src/dst in scapy

I am trying to send a previously recorded traffic (captured in pcap format) with scapy. Currently I am stuck ... with such amounts of traffic? See Question&Answers more detail:os...

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

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200 views

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python - One-Line Exception Handling

In Python, it is possible to use one-liners to set values with special conditions (such as defaults or conditions ... but a TypeError is raised. 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 - ctypes: construct pointer from arbitrary integer

For low-level purposes, I need to construct a ctypes pointer from an arbitrary address, given as an integer. ... wrapped APIs. Thanks, -Tomer See Question&Answers more detail:os...

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

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360 views

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python - How to count distinct values in a column of a pandas group by object?

I have a pandas data frame and group it by two columns (for example col1 and col2). For fixed values of col1 and col2 (i.e ... 1 2 1 2 1 3 2 2 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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279 views

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python - Running a module from the pycharm console

I'm new to python and pycharm and I'd like to run a module from the pycharm console in the same way as you ... .how do you do that in pycharm? See Question&Answers more detail:os...

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

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381 views

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python - How do I install ChromeDriver on Windows 10 and run Selenium tests with Chrome?

We have an Ubuntu server which we use for running Selenium tests with Chrome and Firefox (I installed ... see it documented anywhere. 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 - Django dynamically get view url and check if its the current page

Consider this basic menu: <ul class="nav navbar-nav"> <li class="active"><a href="{% url 'home' %}"> ... on how to get around nesting the two? See Question&Answers more detail:os...

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

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783 views

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python - How to position and align a matplotlib figure legend?

I have a figure with two subplots as 2 rows and 1 column. I can add a nice looking figure legend with fig. ... too. Thanks for any help, Martin 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 - ugettext and ugettext_lazy

Could you explain what principal difference between ugettext and ugettext_lazy? When I'm trying to return HttpResponse( ... is working. Why? See Question&Answers more detail:os...

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

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390 views

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python - Why does pip install matplotlib version 0.91.1 when PyPi shows version 1.0.0?

Update Oct 15, 2012 PyPi is now showing matplotlib at 1.1.0 so this issue is resolved. Install matplotlib ... , this issue still persists. See Question&Answers more detail:os...

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

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760 views

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python - RemoveError: 'setuptools' is a dependency of conda and cannot be removed from conda's operating environment

I have Win 10 When running: conda update conda I encountered this error: RemoveError: 'setuptools' is a ... traces of Anaconda installation? See Question&Answers more detail:os...

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

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247 views

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python - how to modularize django settings.py?

When you install a new django application, you have to add/modify your settings.py module. For a project I' ... expects everything to be there. See Question&Answers more detail:os...

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

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301 views

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python - Django ManyToManyField ordering using through

Here is a snippet of how my models are setup: class Profile(models.Model): name = models.CharField(max_length=32) ... ).order_by('number'): 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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python - Getting every child widget of a Tkinter window

Is it possible to get all of the children of a Tkinter widget, then get the children's children etc.? ... (item.winfo_children()) return _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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649 views

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python - geopandas point in polygon

I have a GeoDataFrame of polygons (~30) and a GeoDataFrame of Points (~10k) I'm looking to create 30 new ... a better way. Appreciate any help! See Question&Answers more detail:os...

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

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603 views

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python - What is the cv2.cv replacement in OpenCV3?

I'm using OpenCV3, and with the python bindings there is no cv2.cv module: In [1]: import cv2 In [2]: from ... Is cv2.cv missing in OpenCV 3.0? See Question&Answers more detail:os...

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

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599 views

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python - Tensorflow GPU Could not load dynamic library 'cusolver64_10.dll'; dlerror: cusolver64_10.dll not found

When i run import tensorflow as tf tf.test.is_gpu_available( cuda_only=False, min_cuda_compute_capability=None ) I get the following 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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762 views

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python - pandas.DatetimeIndex frequency is None and can't be set

I created a DatetimeIndex from a "date" column: sales.index = pd.DatetimeIndex(sales["date"]) Now the index ... someone clear up the confusion? See Question&Answers more detail:os...

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

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