Recent questions tagged Python

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python - Modify namespaces in a given xml document with lxml

I have an xml-document that looks like this: <root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ... could use xslt? Thanks! Denis 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 - Console Log/ cmd.exe not closing in chromedriver

Trying to hide console log/cmd.exe (chromedriver.exe) but it is not hiding/closing.. I tried: options ... versions of Chrome and Chromedriver 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 - Read in multiple csv into separate dataframes in Pandas

I have a long list of csv files that I want to read as dataframes and name them by their file name. For ... into one dataframe instead of many. 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 - Another UnboundLocalError in Python2.7

When I execute a testing script in my company's Python project, I got an error as below: UnboundLocalError: local ... can also make it 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 - Dynamic Point Manipulation in 3D Matplotlib

In trying to manipulate a graph in matplotlib, I came across something interesting. when using the plot ... occurring and possible solutions! See Question&Answers more detail:os...

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

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996 views

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python - Updating Tkinter Label with an Image

Well I got a "small" problem with updating a label using Tkinter and PIL. As soon as I press the cheese ... = MyWindow() main.root.mainloop() 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 pass a filter from a dropdown into django-import-export view

I understand on how to pass a filter through views that have the return render(request, 'htmlname.html, {} ... ','gender__name','notes') 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 avoid to get OSError: [Errno 9] Bad file descriptor using ibapi?

In the following code i am collecting data to pandas dataframe called ohlcv as a function and running the app ... Errno 9] Bad file descriptor 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 - Close a scrapy spider when a condition is met and return the output object

I have made a spider to get reviews from a page like this here using scrapy. I want product reviews only ... item) else: break return(items) 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 make a tkinter window rounded?

I am trying to make a tkinter overrideredirect window round in shape. I've done this so far: from tkinter ... would be appreciated. Thank you. 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 - Disabling tkinter ttk scale widget

I am trying to disable all of the (ttk) widgets in a frame, but it appears that the scale widget is ... all three of these widgets incorrectly? 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 - Binding callbacks to minimize and maximize events in Toplevel windows

I've read through related answers and it seems that the accepted way to do this is by binding callbacks to <Map> ... ) and deiconify() on Linux? See Question&Answers more detail:os...

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

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810 views

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python - How can I get the ndb.Model when my only input is an ndb.Query?

Let's say there is ndb.Model that looks like this: class Foo(ndb.Model): bar = ndb.StringProperty() ... want something more general than 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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930 views

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python - several questions about QML and PySide2

I have the following cases, I want to use several Qml: "welcome.qml", "create.qml", " ... better with QQuickview or QQmlAplicationEngine. See Question&Answers more detail:os...

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

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1.2k views

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python - raspberry pi : Auto run GUI on boot

I want to run a python script which executes a GUI on startup(as pi boots up). But I don't see ... up properly and pi connected with internet 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 - Creating a numpy datatype from Cython struct

Following is a Cython code snippet currently used in scikit-learn binary trees, # Some compound datatypes used below: ... have ideas 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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992 views

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python - Remove sublist duplicates including reversed

For example i have following list = [['1', '2'], ['1', '3'], ['1', '4'], ['1', '5'], [' ... . I am not sure if my matching condition is correct. See Question&Answers more detail:os...

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

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1.0k views

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python - Invalid Syntax when F' string dictionary

When I try to f'string dictionary, it says invalid syntax. def up_low(s): d={"upper":0,"lower":0} for c ... syntax for line 6 and line 9. 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 - How to install module for BeautifulSoup XML parsing?

In this answer, I was told to not use BeautifulSoup(xmlData, 'html.parser') for XML parsing but to use ... t need to be compiled separately. See Question&Answers more detail:os...

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

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859 views

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python - How to nicely plot clipped layered artists in matplotlib?

Consider that you have three artists in a matplotlib plot. What is the easiest way to not show the intermediate- ... //') ax.add_patch(patch) See Question&Answers more detail:os...

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

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1.7k views

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python - subprocess.Popen: 'OSError: [Errno 13] Permission denied' only on Linux

Code and logs have changed a lot (due to a major rewrite) since the question was asked. When my code (given ... 1125 Sep 29 20:14 __init__.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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1.3k views

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python - Load tensorflow images and create patches

I am using image_dataset_from_directory to load a very large RGB imagery dataset from disk into a Dataset. For ... disk and memory usage. 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 convert large float values to int?

I have a variable containing a large floating point number, say a = 999999999999999.99 When I type int(a) in ... for long numbers like these? 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 PyQt5 import failed in Python3.4 with `ImportError: DLL load failed` in Windows 7?

I have 32-bit Python2.7 already installed in Windows 7 (64-bit Operating System) and I can use it without ... this problem? 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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890 views

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python - create new rows based specific condition and iterate over a list in pandas

I have a df as shown below B_ID No_Show Session slot_num Cumulative_no_show 1 0.4 S1 1 0.4 2 0.3 S1 2 ... new_df_0.8, new_df_0.9 and new_df_1.0 See Question&Answers more detail:os...

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

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1.0k views

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python - Simplest way to make a polynomial regression with sklearn?

I have some data that doesn't fit a linear regression: In fact should fit a quadratic function 'exactly': P = R*I**2 ... model.fit([X,X**2],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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1.0k views

1 answer

python - Prevent duplicate table entries in a many-to-many relationship in SQLAlchemy

I am trying to set up a movie database using SQLAlchemy with a many-to-many relationship. I have two ... in the movie_actor association table. See Question&Answers more detail:os...

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

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768 views

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python - Grabbing selection between specific dates in a DataFrame

so I have a large pandas DataFrame that contains about two months of information with a line of info per second. ... I go about 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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