Recent questions tagged Python

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python - How can I format timedelta for display

My script calculate the difference in 2 time. Like this: lasted = datetime.strptime(previous_time, FMT) - datetime. ... 02:01"? 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 - Is there a tensorflow equivalent to np.empty?

Numpy has this helper function, np.empty, which will: Return a new array of given shape and type, without ... tensorflow' way to solve 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 - No module named 'pandas._libs.tslib'

I am not able to import pandas C:UsersYashDesktopPythonTwitter Sentimental Analysis>python import.py Traceback (most ... windows 10 laptop!! 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 - Swapping rows within the same pandas dataframe

I'm trying to swap the rows within the same DataFrame in pandas. I've tried running a = pd.DataFrame(data ... . Am I doing something 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 - How can I detect whether I'm running in a Celery worker?

Is there a way to determine, programatically, that the current module being imported/run is done so in the context of ... there's a better 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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python pip: no distributions at all found for an existing package

I am trying to install the ScientificPython package into a newly installed distribution of Python on a Fedora 14 ... could this happen? 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 - Calculate new value based on decreasing value

Problem: What'd I like to do is step-by-step reduce a value in a Series by a continuously decreasing base ... , the value remains as 30. 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 - ModuleNotFoundError: No module named 'tensorflow.examples'

When I import tensorflow import tensorflow as tf I don't get an error. However, I do get the error ... No module named 'tensorflow.examples' 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 2.7 - Where should I install CMake?

I am trying to pip install dlib for a project I am working on, but when I try I get this error: ... should I locate the extracted files? 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 - WinError 5:Access denied PyTesseract

I know this question has already been answered on this site, however, none of the solutions I looke up the ... : [WinError 5] Accès refusé See Question&Answers more detail:os...

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

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641 views

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python - Why does typing a variable (or expression) print the value to stdout?

Take this example: >>> 5+10 15 >>> a = 5 + 10 >>> a 15 How and why does Python do this without an ... 1 Out[1]: 1 Why does this happen? 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 pass keyword arguments on conditional

Is there a more pythonic way to do this? if authenticate: connect(username="foo") else: connect(username="foo", password="bar", otherarg="zed") 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 - Find out if a date is more than 30 days old

I want to know if insertion_date is older than 30 days. This should detect down to the minute and second of the ... is not older than 30 days" See Question&Answers more detail:os...

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

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929 views

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python - Where in flask/gunicorn to initialize application

I'm using Flask/Gunicorn to run a web application and have a question about the lifecycle management. I have ... run with: >gunicorn main:app See Question&Answers more detail:os...

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

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981 views

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python 3.x - ImportError: No module named 'keras'

So basically, I am fairly new to programming and using python. I am trying to build an ANN model for which ... : No module named 'keras' See Question&Answers more detail:os...

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

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712 views

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python - syntax error in if...else condition

I'm learning programming in Python and I'm stuck with a syntax error in the line 8 in the following code x ... y : ^ SyntaxError: invalid syntax See Question&Answers more detail:os...

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

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787 views

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python - all permutations from 2 lists but with a condition on the amount of elements

In Python I have : a = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'] ... )) # 78936000 print(len(a3b7_permutations)) # 1.432214784e+15 See Question&Answers more detail:os...

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

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659 views

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python - How to create a binary list based on inclusion of list elements in another list

Given two lists of words, dictionary and sentence, I'm trying to create a binary representation based on the ... ) for i in dictionary] See Question&Answers more detail:os...

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

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866 views

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python - Convert a split string to a tuple results in "too many values to unpack"

Using split in a for loop results in the mentioned exception. But when taking the elements indpendent from a for ... for the for loop version. 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 - How to annotate a stacked bar chart with word count and column name

My question is about plotting in a stacked bar plot the words frequency rather than numbers with labels on the ... you will spend helping me. See Question&Answers more detail:os...

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

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826 views

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python - how to use GridSpec() with FuncAnimation in matplotlib?

Well, I want to make an animation which can show 4 different distributions, but when I use gridspec to make ... to know when using gridspec? See Question&Answers more detail:os...

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

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2.0k views

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python - sublime build system error "can't find '__main__' module in ''"

I'm trying to get Sublime3 to work with Python3.6.5 and getting an error message below. /usr/bin/python: can't ... /bin:/bin:/usr/sbin:/sbin] See Question&Answers more detail:os...

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

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880 views

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python - Spyder Module Import

I am trying to import cv2 module in Spyder.app but somehow it does not import. By the way I am able to ... anyone of you guys please help me? 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 - Converting generator from read_sql in pandas to dataframe has failed

I want to read data from my oracle, I use the pandas's read_sql and set the parameter chunksize=20000, from ... be converted to a dataframe? See Question&Answers more detail:os...

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

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790 views

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python - Flask-SQLAlchemy: sqlite3 IntegrityError

I'm creating an application to replace current tab managers in the browser. I've created a simple one-to-many ... http://sqlalche.me/e/gkpj) 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 - How to add line numbers to an output file?

Write a program that asks the user for a file containing a program and a name for an output file. Your ... save = out_file.write(FileWithLines) See Question&Answers more detail:os...

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

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1.4k views

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python - tkinter TypeError: missing 1 required positional argument:

I′m new to python and practicing, and I have now written this piece of coding, but I′m getting an error I do ... What am I doing wrong? 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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777 views

1 answer

python - Turtle will not draw angled lines

Circle cursor picture error I am having problems drawing angle lines with turtle. I can make squares, but star shapes ... ) Thanks for any help. See Question&Answers more detail:os...

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

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