Recent questions tagged Python

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I'm trying to understand an example in PyQt4 (simpletreemodel.pyw) I see the code import simpletreemodel_rc But I ... is supposed to do? 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 - Extract individual field from table image to excel with OCR

I have scanned images which have tables as shown in this image: I am trying to extract each box separately ... detected boxes image as shown 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 - Scapy fails to sniff packets when using multiple threads

I'll try to demonstrate my problem with a simplified example. Following is a very simple (single threaded) packet ... excuse me in that case. 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 - Compile Fortran module with f2py

I have a Fortran module which I am trying to compile with f2py (listed below). When I remove the module ... end subroutine itimes end module its 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 a mixed data generator (images,csv) in keras

I am building a model with multiple inputs as shown in pyimagesearch, however I can't load all images ... (generator, df) return csv_generator See Question&Answers more detail:os...

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

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382 views

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python - How to append to .mat file using scipy.io.savemat?

so when I use the savemat command it tends to overwrite the file. Is there a possible way to append instead ... the first option though. 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 do I check that two slices of numpy arrays are the same (or overlapping)?

I would like to check if two ndarrays are overlapping views of the same underlying ndarray. To check that two ... how, I would be grateful. 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: How to set initial values for a field in an inline model formset?

I have what I think should be a simple problem. I have an inline model formset, and I'd like to make a ... . Can anyone help me with 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 - Reading CSV files in numpy where delimiter is ","

I've got a CSV file with a format that looks like this: "FieldName1", "FieldName2", "FieldName3", " ... numpy array after the initial read? 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 - Insert a column at the beginning (leftmost end) of a DataFrame

I have dataframe with 30 columns and want to add one new column to start. See Question&Answers more detail:os...

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

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283 views

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python - How to split a dataframe by unique groups and save to a csv

I have a pandas dataframe I would like to iterate over. A simplified example of my dataframe: chr start end Gene ... to be written to file. 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 - Logical indexing with lists

I have a program I'm looking through and with this section temp = [1,2,3,4,5,6] temp[temp!=1]=0 ... in this code that leads to this result. 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 - Is there a way to access the context from everywhere in Django?

I'm looking for a way to have a global variable that is accessible by any module within my django request without ... if you do it responsibly). See Question&Answers more detail:os...

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

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191 views

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python - Imported modules become None when running a function

Update: some more debugging info at the bottom of this post, which reveals something very screwy in the python ... from globals() is nonsense. See Question&Answers more detail:os...

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

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291 views

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python - Get (year,month) for the last X months

I got a very simple thing to to in python: I need a list of tuples (year,month) for the last x months ... So how can this be done correctly? See Question&Answers more detail:os...

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

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689 views

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python - Unable to save DataFrame to HDF5 ("object header message is too large")

I have a DataFrame in Pandas: In [7]: my_df Out[7]: <class 'pandas.core.frame.DataFrame'> Int64Index: ... version of IPython, Python and HDF5. See Question&Answers more detail:os...

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

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243 views

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python - How to sort an array of integers faster than quicksort?

Sorting an array of integers with numpy's quicksort has become the bottleneck of my algorithm. Unfortunately, numpy ... -your-own-questions/) See Question&Answers more detail:os...

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

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249 views

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python - Sorting according to clockwise point coordinates

Given a list in Python containing 8 x, y coordinate values (all positive) of 4 points as [x1, x2, x3, x4, ... y) and 4 as the remaining point See Question&Answers more detail:os...

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

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363 views

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python - Why are there extra empty strings at the beginning and end of the list returned by re.split?

I'm trying to take a string of ints and/or floats and create a list of floats. The string is going to have these brackets ... ', '3', '4', '5'] 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 - Check for a valid domain name in a string?

I am using python and would like a simple api or regex to check for a domain name's validity. By validity I ... exists on the Internet or not. See Question&Answers more detail:os...

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

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362 views

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python - Firefox + Selenium WebDriver and download a csv file automatically

I have problem with Selenium WebDriver and Firefox. I want to download csv file without confirmation in dialog window and ... How can I fix 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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129 views

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python - Remove Last instance of a character and rest of a string

If I have a string as follows: foo_bar_one_two_three Is there a clean way, with RegEx, to return: foo_bar_one_two ... for a cleaner solution. See Question&Answers more detail:os...

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

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213 views

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python - Is it possible to colour a specific item in a Listbox widget?

I'm referring to a specific element in the Listbox widget. Colouring the background is most desired but any ... cell would be fantastic. See Question&Answers more detail:os...

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

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231 views

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python - Why does dict.get(key) run slower than dict[key]

While running a numerical integrator, I noticed a noticeable difference in speed depending on how I extract the value ... the get() 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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391 views

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python - Django Gunicorn not load static files

i'm trying to deploy my django project with gunicorn and nginx, but i need some help. when i code gunicorn ... output: https://dpaste.de/C6YX See Question&Answers more detail:os...

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

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153 views

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python 3.x - How can i read a PDF file from inline raw_bytes (not from file)?

I am trying to create a pdf puller from the Australian Stock Exchange website which will allow me to search ... Thanks so much 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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278 views

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python - Sort a list of tuples in consecutive order

I want to sort a list of tuples in a consecutive order, so the first element of each tuple is equal ... not important the first element chosen. 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 use dill to serialize a class definition?

In the answer to Python pickle: dealing with updated class definitions, the author of the dill package writes: " ... an easily accessible way.) See Question&Answers more detail:os...

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

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