Recent questions tagged Python

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python - Dask - how to assign task to the specific CPU

I'm using Dask to process research batches, which are quite heavy (from few minutes to few hours). There's no ... 1}) for d in data] 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 remove -pthread compiler flag from cython setup file

In linux environment, when I run the setup script for cython, I get gcc -pthread -B /apps/.../ ... setup(ext_modules = cythonize(extensions)) 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 are no colors shown in kde subplots in seaborn pairplot?

I am looking at the iris data set (Fisher 1936). e.g. https://www.kaggle.com/uciml/iris/downloads/Iris.csv ... a kw to the show them again? 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 - Line collision in pygame

So I am currently working on a 2D platformer game and I have realized a big issue with my collision programming ... could really use some 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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python - How to access psycopg2 error wrapped in sqlalchemy error

I'm uploading a pandas data frame to a table in Postgres using SQLalchemy and psycopg2. How do I access the ... as using the pgcode member. 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 - Dynamically accessing a pandas dataframe column

Consider this simple example import pandas as pd df = pd.DataFrame({'one' : [1,2,3], 'two' : [1, ... something that might work that way? 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 3.x - psutil.AccessDenied Error while trying to load StanfordCoreNLP

I'm trying to load the package StanfordCoreNLP to get the correct parsing for the movie reviews presented in their ... Any ideas?? 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 to parse multiple XML documents from a single stream?

I've got a socket from which I'm reading XML data. However, this socket will spit out multiple different XML ... simply work on such a stream? 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 - TF slice_input_producer not keeping tensors in sync

I'm reading images into my TF network, but I also need the associated labels along with them. So I tried to ... won't match the batch order. 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 contextmanager newline issue

Using Python's contextmanager I want to generate a wrapper to display Linux-like progress of a certain block of code: ... 0 on Linux Mint 17.1) See Question&Answers more detail:os...

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

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404 views

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python - Error when computing summaries in TensorFlow

I am trying to use TensorFlow to produce summaries and visualize them using TensorBoard. However, I am getting an error ( ... step 30: 0.814 ... See Question&Answers more detail:os...

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

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477 views

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python - Numpy to list over 2nd axis

I would like to split a n-d numpy array based on a internal axis. I have a array of shape (6,150,29,29,29, ... has given me a list over axis 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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python - Django not creating db tables for models (neither with syncdb nor South)

I have a Django project on a Centos VPS. I created some models and debugged them so they validate and give ... anything to detect my models? See Question&Answers more detail:os...

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

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496 views

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python - Dismantle dataframe into new dataframes of subsets/groups resp. create new dataframes of data subsets/groups from other dataframe

I have a pandas dataframe that looks like the following and holds groups of data via a column id: import numpy ... in advance for any hints! 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 - Pandas pivot table Nested Sorting

Given this data frame and pivot table: import pandas as pd df=pd.DataFrame({'A':['x','y','z','x','y ... Name: C, dtype: int64 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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556 views

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python - Numpy sum of values in subarrays between pairs of indices

Suppose I have an array A. I have a series of index pairs (a1, b1), (a2, b2) ... (an, bn) I ... the most efficient way of doing 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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422 views

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python 3.x - showing multiple data which meets certain conditions-issue in PANDAS

I am working in PANDAS with Python and I am looking at a weather CSV file. I am able to pull data from it with ... ) memory usage: 64.8+ KB None 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 - Does a exception with just a raise have any use?

For example, here is some code from django.templates.loader.app_directories.py.[1] try: yield safe_join ... /template/loaders/app_directories.py See Question&Answers more detail:os...

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

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558 views

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python - Format pandas dataframe index date

I have a dataframe that I got from the below code, but I am unable to convert the date index to dd/mm/yyyy ... out the date as yyyy-mm-dd 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 Save the output of a shell command into a text file

I want to save the output of a shell command into a textfile via python. This is my actual, pretty basic ... ip_adress, stdout=pr, shell=True) 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 - Filling zeros in numpy array that are between non-zero elements with the same value

I have a 1D numpy numpy array with integers, where I want to replace zeros with the previous non-zero ... within integers with different value. See Question&Answers more detail:os...

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

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745 views

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python - cv2 3.0.0 cv2.FlannBasedMatcher: flann.knnMatch is throwing cv2 error

I want to use a flann-based matcher in Python as described in http://opencv-python-tutroals.readthedocs.org/en/latest ... (desc1, desc2, k=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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912 views

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python - ttk Treeview selection_set can't accept spaces

I'm building a gui using tkk in python and I'm having trouble with the Treeview command selection_set(). I ... Can anyone give any 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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499 views

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python - Tensorflow's tensorflow variable_scope values parameter meaning

I am currently reading a source code for slim library that is based on Tensorflow and they use values argument ... why someone will need 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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681 views

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python - pyodbc - error while running application within a container

I am having a python application that uses mssql - instead of using pymssql, i was trying pyodbc. There ... object dependencies and sym links See Question&Answers more detail:os...

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

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718 views

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python - Django inlineformset_factory and ManyToMany fields

I'm attempting to create a formset for the following models: class Category(models.Model): name = models.CharField( ... in some way? 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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424 views

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python - Convert a complex SQL query to SQLAlchemy

I run out of ideas. I googled now more then one day and I still can't find any useful answer to my question. ... -----+ Any help is appreciated. See Question&Answers more detail:os...

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

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389 views

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python - Importing module from network

Is there a way to get python to read modules from a network? We have many machines and it would be a too ... location on the network. Any ideas? See Question&Answers more detail:os...

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

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