Recent questions tagged PYTHON

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python - ImportError: No module named 'version'

I pip the "opencc" when i shell the code below import opencc it shows Traceback (most recent call last): ... version.py in the same directory, 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 - Installing Pillow with Mac OS X Mavericks (10.9.1)

I'm trying to install Pillow following the instruction: http://pillow.readthedocs.org/en/latest/installation. ... default python interpreter. 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 is Photoimage put slow?

When manipulating photoimage objects, with: import tkinter as tk img = tk.PhotoImage(file="myFile.gif") for x ... faster method of 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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python - TypeError: list indices must be integers, not list. How to fix?

There's the code with the TypeError in it. "list indices must be integers, not list", though they are integers. I' ... if i, j are already int. 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 the object, which I read a csv file using pandas from, is TextFileReader object

I read a csv file using pandas: data_raw = pd.read_csv(filename, chunksize=chunksize) print(data_raw['id']) Then, it ... .7 and pandas v0.19.1 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 - How do I use Sprite Sheets in Pygame?

Argh!!! I am new to this whole python thing and the only way I know how to make a "animation" is by using ... !!! This will help me a lot. 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 column of a dataframe from another dataframe

I'm trying to fill a column of a dataframe from another dataframe based on conditions. Let's say my first dataframe ... + I'm using Python 2.7 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 install a specific version of pip via easy-install? - Mac OS Mavericks

I am constantly getting the Cannot fetch index base URL https://pypi.python.org/simple/ whenever I try to ... pip via easy_install 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 - Pandas difference between apply() and aggregate() functions

is there any difference in the (type) of the return value between the DataFrame.aggregate() and the DataFrame. ... --> aggregated : DataFrame 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 clear items from a ttk.Treeview widget?

ing_scroll = Scrollbar(window1_frame1, orient=VERTICAL) ingredients = ttk.Treeview(window1_frame1, yscrollcommand=ing_scroll.set, ... a canvas. 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 - Remove characters from beginning and end or only end of line

I want to remove some symbols from a string using a regular expression, for example: == (that occur both at ... (with one or more occurrences)? See Question&Answers more detail:os...

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

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520 views

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python - Creating an XML document with BeautifulSoup

In all the examples and tutorials I have seen of BeautifulSoup, an HTML/XML document is passed and a soup object is ... How can I go about 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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659 views

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python - "ImportError: No module named tkinter" when using Pmw

Here's my problem: I'm running the code in this example. I have Python 2.7 and 3 installed on my ... msg) ImportError: No module named tkinter 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 - Pygame error: display surface quit: Why?

Can anyone tell me why my app quits with: pygame error: display Surface quit. See Question&Answers more detail:os...

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

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562 views

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python - Swapping first and last items in a list

How can I go about swapping numbers in a given list? For example: list = [5,6,7,10,11,12] I would like ... that can allow me to do 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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428 views

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python - Read from socket: Is it guaranteed to at least get x bytes?

I have a rare bug that seems to occur reading a socket. It seems, that during reading of data sometimes I get ... sender sends at least 4 bytes. 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 - Constructing Mode and Corresponding Count Functions Using Custom Aggregation Functions for GroupBy in Dask

So dask has now been updated to support custom aggregation functions for groupby. (Thanks to the dev team and ... 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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556 views

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python - Django syncdb error: One or more models did not validate

/mysite/project4 class notes(models.Model): created_by = models.ForeignKey(User) detail = models.ForeignKey(Details) ... be solved.. 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 - matplotlib only business days without weekends on x-axis with plot_date

I have the following persistent problem: The following code should draw a straight line: import numpy as np import pandas as ... ns]', freq='B') 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 - Drawing to Panel inside of Frame in wxPython

Below, I have a panel inside of a frame. Why am I not able to draw to the panel? I just get a ... y, self.secondpoint.x,self.secondpoint.y) See Question&Answers more detail:os...

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

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662 views

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python - Increasing a file's size using mmap

In Python on Windows I can create a large file by from mmap import mmap f = open('big.file', 'w') f. ... increase a file's size using mmap? See Question&Answers more detail:os...

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

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419 views

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python - Get the title of a given figure

I have created a figure and have attached to it a title like this: def func(): fig = plt.figure() fig. ... fig.suptitle("w/e") function ? See Question&Answers more detail:os...

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

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655 views

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python - Pandas scalar UDF failing, IllegalArgumentException

First off, I apologize if my issue is simple. I did spend a lot of time researching it. I am trying to ... the manual. Thanks for your 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 - Can't launch Jupyter Notebook ModuleNotFoundError: No module named 'resource'

I've been using Jupyter Notebook from the command line for a month now, today I didn't shut the running notebook ... has no attribute 'clock'``` See Question&Answers more detail:os...

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

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585 views

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python - using the * (splat) operator with print

I often use Python's print statement to display data. Yes, I know about the '%s %d' % ('abc', 123) method, and ... . I am using Python 2.7.6. See Question&Answers more detail:os...

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

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852 views

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python - Matplotlib: how to add xlabel, title to each subplot

I'm trying to plot multiple heatmaps using the plt.subplots. An example I found is as follows: import numpy as np ... you all for helping 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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421 views

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python - How to perform file-locking on Windows without installing a new package

I've added code to a Python package (brian2) that places an exclusive lock on a file to prevent a race ... add a dependency to brian2.) See Question&Answers more detail:os...

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

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410 views

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python - Dynamic global variables assignment

I'm new in python and I'm having many troubles in using global instruction. Here is a code example: mouse = "a ... problem. How can I solve 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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