Recent questions tagged Python

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python - Pass args for solve_ivp (new SciPy ODE API)

For solving simple ODEs using SciPy, I used to use the odeint function, with form: scipy.integrate.odeint ... doc/scipy/reference/integrate.html 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 - Specify color of each point in scatter plot (matplotlib)

I have a 3D Plot that I created using matplotlib, and I have a list of rbg values that correspond to each ... will be assigned a specific color? 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 - Parse query part from url

I want to parse query part from url, this is my code to do this: >>> from urlparse import urlparse ... stantard library and save all 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 - Pandas: Change day

I have a series in datetime format, and need to change the day to 1 for each entry. I have thought of ... used there is not applicable 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 - pandas: replace string with another string

I have the following data frame prod_type 0 responsive 1 responsive 2 respon 3 r 4 respon 5 r 6 responsive I ... : 'responsive'}, regex=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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python - Openpyxl check for empty cell

openpyxl seems to be a great method for using Python to read Excel files, but I've run into a constant ... is more a general Python 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 - Assigning complex values to numpy arrays?

This gives the expected result x = random.rand(1) + random.rand(1)*1j print x.dtype print x, x.real, x. ... do this without errors? I'm lost. 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 - relative path not working even with __init__.py

I know that there are plenty of similar questions on stack overflow. But the common answer doesn't seem to be ... to see my package hierarchy? 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 - Restrict scipy.optimize.minimize to integer values

I'm using scipy.optimize.minimize to optimize a real-world problem for which the answers can only be integers. ... elegant or quick 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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python - Authenticate from Linux to Windows SQL Server with pyodbc

I am trying to connect from a linux machine to a windows SQL Server with pyodbc. I do have a couple ... Linux using Windows Domain credentials. 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 - sqlite3.InterfaceError: Error binding parameter 1 - probably unsupported type

I am having this annoying error that I could not solve.. here is my function def savePicture(pic): try: connection= ... .. Any ideas? cheers :D 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 re-install lxml?

Python version and Device used Python 2,7.5 Mac 10.7.5 BeautifulSoup 4.2.1. I'm following the ... know that it is correctly installed? 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 - Smallest positive float64 number

I need to find a numpy.float64 value that is as close to zero as possible. Numpy offers several constants that allow ... a right way to 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 - 'NoneType' object has no attribute 'group'

Can somebody help me with this code? I'm trying to make a python script that will play videos and I found this ... > 0: return vurl return 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 - Unable to retrieve files from send_from_directory() in flask

I have a html file which references static object like this <img src="img/snacks.png"> <link href="css/bluestrap. ... or what am i doing wrong ? 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 - Change an element in the last row of a DataFrame

I set up a simple DataFrame in pandas: a = pandas.DataFrame([[1,2,3], [4,5,6], [7,8,9]], columns ... the index of the last row before hand? 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 - "IsADirectoryError: [Errno 21] Is a directory: " It is a file

I already split the data into test and training set into the different folder. Now I need to load the patient ... , not a directory. 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 escape @ in a password in pymongo connection?

My question is a specification of how can i validate username password for mongodb authentication through pymongo?. I'm ... of a MongoDB URL? 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 - Installation of TensorFlow on windows 7 - 'pip3' is not recognized as an internal or external command,

When following the Installing TensorFlow for Windows guide https://www.tensorflow.org/install/install_windows, after ... python is set) 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 find all elements with a custom html attribute regardless of html tag using Beautiful Soup?

I have two cases where i want to scrape html tags with custom html attributes This is the example of the ... only regardless of tag or 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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python - does xlwt support xlsx Format

I have searched into google and found some contradiction. Does xlwt support xlsx file (MS office 2007). I ... /openpyxl for writing xlsx 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 - How to use virtualenvwrapper in Supervisor?

When I was developing and testing my project, I used to use virtualenvwrapper to manage the environment and run ... of Supervisord config 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 - How to use Model.fit which supports generators (after fit_generator deprecation)

I have got this deprecation warning while using Model.fit_generator in tensorflow: WARNING:tensorflow: Model. ... of Model.fit_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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python - What does Thread Local Objects mean in Flask?

I am reading the Flask documentation (specifically, the Foreword for Experienced Programmers chapter) and I read this ... context in this 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 - pandas.DataFrame.from_dict not preserving order using OrderedDict

I want to import OData XML datafeeds from the Dutch Bureau of Statistics (CBS) into our database. Using lxml and ... CAPS first? Help, anyone? 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 performance difference between numpy.zeros and numpy.zeros_like?

I finally found a performance bottleneck in my code but am confused as to what the reason is. To solve it I ... > numpy.__version__ '1.9.1' 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 does interval comparison work?

Somehow, this works: def in_range(min, test, max): return min <= test <= max print in_range(0, 5, 10) ... , or is something else going on? 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 - Trouble updating to Spyder 4.0.0

I am under Windows 10, 64 bits. I tried several time to update Spyder 4.0.0 with both the Anaconda Prompt ... are raised after it is executed. See Question&Answers more detail:os...

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

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