Recent questions tagged PYTHON

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python - Numpy select returning boolean error message

I would like to find matching strings in a path and use np.select to create a new column with labels ... -app 3124491 /credit-card-readers 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 - Tkinter radio button initialization bug

If I put a radio button in a function and draw them; the first time they are drawn you cannot hover over them ... ps: 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 to read a CSV line with "?

A trivial CSV line could be spitted using string split function. But some lines could have ", e.g. "good, ... , rather than using a library. 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-rest-framework: add additional permission in ViewSet update method

I have the following code: class UsersViewSet(viewsets.ModelViewSet): model = Users permission_classes = ( ... checked through request 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 - Tuple as index of multidimensional array

I found a very similar question to mine, but not exactly the same. This one: here However in ntimes's case ... tuple then? Any ideas? 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 - resampled time using scipy.signal.resample

I have a signal that is not sampled equidistant; for further processing it needs to be. I thought that scipy.signal. ... plot(xx,yy) plt.show() 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 - loss calculation over different batch sizes in keras

I know that in theory, the loss of a network over a batch is just the sum of all the individual losses. This ... me think it's being averaged. 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 - Spark - How many Executors and Cores are allocated to my spark job

Spark architecture is entirely revolves around the concept of executors and cores. I would like to see practically ... SparkConf object etc.. 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 - Use the same colorbar for different subplots in matplotlib

I am plotting different figure in subplots using the following procedure. fig = figure(figsize=(10,11)) subplots_adjust ... side of the figure. 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: top N rows, top N rows per group, equivalent for ROW_NUMBER OVER(PARTITION BY ... ORDER BY ...)

What is the python equivalent to the TOP function in T-SQL? I'm looking to filter my dataframe to the top 50K ... can't find a simple 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 - Plotting multiple time series after a groupby in pandas

Suppose I made a groupby on the valgdata DataFrame like below: grouped_valgdata = valgdata.groupby(['news_site',' ... that? 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 - Quickly Find the Index in an Array Closest to Some Value

I have an array of values, t, that is always in increasing order (but not always uniformly spaced). I have ... round(time.timeit(runs), 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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python - Gunicorn/Django, ImportError: No module named application.wsgi

I'm trying to deploy a Django app using Heroku, but I'm running into the following error: "ImportError: No ... Why is this producing an error? 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 - A module is working in Anaconda prompt, but not in Spyder

I have been fighting with this problem for hours now, and it's a kind of complicated one. I'm on windows 7, ... here? and 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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python - merge lists with intersection

Given that: g=[[], [], [0, 2], [1, 5], [0, 2, 3, 7], [4, 6], [1, 4, 5, 6], [], [], [ ... j: m=set(i+j) I want to make the largest possible 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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592 views

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python - Is it possible to move / merge messages between RabbitMQ queues?

I'm looking to know is it possible to move / merge messages from one queue to another. For example: main-queue contains ... dog-2, dog-3, dog-4] See Question&Answers more detail:os...

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

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438 views

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python - Chrome opens with “Data;” with selenium chromedriver

Trying to open "Google" or any other page (website) from Chrome via selenium chrome driver in python. ... 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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346 views

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python - How to convert string int JSON into real int with json.loads

I'm trying to convert a string which represents a JSON object to a real JSON object using json.loads but it doesn't ... 42, u'xdf': 12.4} 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 - os.path.abspath('file1.txt') doesn't return the correct path

Say the path of the file 'file1.txt' is /home/bentley4/Desktop/sc/file1.txt Say my current working directory ... of the directory of that 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 - Multiprocessing - producer/consumer design

I'm using the multiprocessing module to split up a very large task. It works for the most part, but I must ... you in advance for any advice! 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 - gaierror: [Errno -2] Name or service not known

def make_req(data, url, method='POST') params = urllib.urlencode(data) headers = {"Content-type": "application/ ... reason ? What is this error? 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 - Specifying default dtype for np.array(1.)

Is there a way to specify default dtype that's used with constructs like np.array(1.)? In particular I want ... getting np.float64 and np.int64 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 happens when you initialize instance variables outside of __init__

In python when you initialize an instance variable (e.g. self.my_var) you should do it in your class __init__ ... (!?). Wrong question. 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 - get the dtype of a pandas multiindex

How can I find the dtype of a MultiIndex in pandas without printing out all the values (this happens if you type ... large df that's too long. See Question&Answers more detail:os...

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

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525 views

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python - Remove tkinter text default binding

I'm making a simple tkinter Text editor, but i want all default bindings of the Text widget removed if possible. For ... --------- 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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1.1k views

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python - Change color of individual boxes in pandas boxplot subplots

This is in reference to the following question, wherein options for adjusting title and layout of subplots are ... df.boxplot currently. 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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282 views

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python - pyinstaller seems not to find a data file

Edit 3: I replaced __file__ with sys.argv[0], when I need to know the location of my script/executable. ... not really related to the 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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693 views

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python - Can a Heroku app use different/multiple ports?

Web services on Heroku normally use the PORT environment variable, but I want to run a custom mail server on ... alternatives. Is it possible? See Question&Answers more detail:os...

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

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