Recent questions tagged Python

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python - Getting batch predictions for TFrecords via CloudML

I followed this great tutorial and successfully trained a model (on CloudML). My code also makes predictions ... is: tensorflow/serving/predict 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 - Cannot read file after writing to it

I am currently reading "Learn Python the hard way" and have reached chapter 16. I can't seem to print the ... "Now closing file" txt.close 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 concatenate multiple csv to xarray and define coordinates?

I have multiple csv-files, with the same rows and columns and their contained data varies depending on the date. ... can I do insted? 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 - Context manager to validate data

I'm trying to mull over a good solution to this and nothing is coming to mind. As an exercise, I'm ... exercise more than a practical problem. 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 - Export QTABLEWIDGET's data (Columns, rows , everything, ...) to SQLITE3

Export QTableWidgets Data populated by the user to the db file. (the db file doesn't exist so SQLITE3 will create ... created' %(self.text())) 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 - append to a sublist appends to every sublist

I'm writing a simple hash table with a set of 10 bucket lists. The index is calculated using the built-in hash() and ... , ['hello'], ['hello']] 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 - Select based on timestamp and update timestamp with zero

How do I select records from a date field which has a time (HH:MM:SS.Milisecond) value greater than zero from a ... ("2015-10-16T00:00:00Z") 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 - What is a parent/master that initialize a tkinter class?

Note The example code is an abridged version but can run with a basic function. Please focus on class MainWindow(tk. ... == "__main__": main() 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 - Output of command executed with Paramiko invoke_shell() is paginated (getting "--more--" in recv)

I have a command XYZ sent over a channel using the sendall() channel = ssh.invoke_shell() channel.sendall(' ... buffer size makes no difference. 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 all rows that are duplicates with respect to some rows

I've seen a couple questions like this but not a satisfactory answer for my situation. Here is a sample DataFrame: ... How else could I do 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 - Tensorflow: delete nodes from graph

I'm trying to delete some nodes from graph and save it in .pb Only needed nodes can be added to ... f.write(mod_graph_def.SerializeToString()) 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 - Add polar axes to cartesian plot in Matplotlib

I have drawn a polar contour plot in Matplotlib as described in this question. This basically works by ... in documentation. 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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python - Pythonic way to check if a package is installed or not

Pythonic way to check list of packages installed in Centos/Redhat? In a bash script, I'd do: rpm -qa | grep -w packagename 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 manage this commit/rollback pattern in sqlalchemy

I find myself repeating a lot of this in sqlalchemy, I wonder what's the best way to handle it? ... exception handling db_session.rollback() 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 get Exception Detail in Python3

I want to get details of Exception in Python3 for example... in foo.py import sys try: {}.encode('utf8') ... ' object has no attribute 'encode' 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 Model Inheritance query a central table

I have a solution that I thought I could take care of model inheritance, but now looking at it again it ... foreign key in the LessonModule. 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 - Making an object move in an orbit when I have the x and y coordinates

This code is mostly just the generic start up of a pygame window but I'm trying to make it so the object moves ( ... quit ------ pygame.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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python - How to insert a SVG file in a PDF document?

I'm trying use embeddSVG.py to embed an SVG in a PDF, but Adobe Acrobat Reader doesn't show svg content in my 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 - Removing characters from a string in pandas

I have a similar question to this one: Pandas DataFrame: remove unwanted parts from strings in a column. So I ... Am I missing something here? 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 resolve "ValueError: attempted relative import beyond top-level package"

I have the following problem with my project, help me please! Here is the structure of my package: /pkg / ... to call foo2 from foo1 directly? 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 conda environment using only symbolic links

I want to create an environment which is an exact copy of my root environment, but not making any hard copies of ... -n newroot <package name>) 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 - Replace values in array of indexes corresponding to another array

I have an array A of size [1, x] of values and an array B of size [1, y] (y > x) of indexes ... I don't mind solution using NumPy or pandas. 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 - Azure Flask HTTP Error 500.0 - INTERNAL SERVER ERROR

I have a simple flask web app hosted on Microsoft Azure which allows users to login, upload files, ... Method Anonymous Logon User Anonymous 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 - Pytesseract: Error opening data file \Program Files (x86)\Tesseract-OCR\en.traineddata

I am trying to use pytesseract on Jupyter Notebook. Windows 10 x64 Running Jupyter Notebook (Anaconda3, Python 3.6.1 ... for your time on 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 - How to pass variable values dynamically in pandas sql query

How to pass variable parameters dynamically order = 10100 status = 'Shipped' df1 = pd.read_sql_query("SELECT * ... wy to pass the parameters? 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 - BeautifulSoup does not see element , even though it is present on a page

I am trying to scrape listings from Airbnb. Every listing has its own ID. However, the output of the code ... I need to scrape differently? 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 execute os.* methods as root?

Is it possible to ask for a root pw without storing in in my script memory and to run some of os.* commands ... ))) thanks to gnibbler for hint. 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 - Adjust different transparency for different class in seaborn scatter plot

I want different alpha value (transparency) for Different Class in scatter plot. sns.scatterplot(x="BorrowerAPR", y=" ... alpha to be 0.2. See Question&Answers more detail:os...

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

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