python tag

Python is a high-level, interpreted, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation.

Python is dynamically-typed and garbage-collected. It supports multiple programming paradigms, including structured (particularly procedural), object-oriented and functional programming. It is often described as a "batteries included" language due to its comprehensive standard library.

Guido van Rossum began working on Python in the late 1980s as a successor to the ABC programming language and first released it in 1991 as Python 0.9.0. Python 2.0 was released in 2000 and introduced new features such as list comprehensions, cycle-detecting garbage collection, reference counting, and Unicode support. Python 3.0, released in 2008, was a major revision that is not completely backward-compatible with earlier versions. Python 2 was discontinued with version 2.7.18 in 2020.

Python consistently ranks as one of the most popular programming languages. It is used by many organizations and companies. Pixar, Disney, Instagram and the developers of the Linux Kernel are among many of it's high-profile users, which includes many developers of Free and Open source software.

Reference: WIKIPEDIA

4650 questions


2 answers
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I want to convert the .txt file to a .csv file.

The following .csv file was output under python 3.6 environment:I want to convert this to a comma (,) delimited .csv file, but it doesn't work.The element in the first row of zepp.csv contains abcdef ...

2 years ago

1 answers
89 views
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Pycharm Shows django as Unresolved Browse

You are running pycharm locally, referring to a folder on Vagrant (VirtualBox).If you open a file on pycharm, for example, from django.conf import settingsI have encountered a problem where a red line...

2 years ago

1 answers
149 views
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cv2.error:OpenCV(4.5.2)error:(-215:Assertion failed)!_src.empty() in function 'cv::cvtColor'

This error occurred while implementing Mask-RCNN.I am sorry for the poor writing, but I look forward to hearing from you.error messages: cv2.error: OpenCV(4.5.2) error:(-215: Assertion failed)!_src.em...


1 answers
77 views
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I want to know how to do bulk REPLACE in Django.

If you know how to run MySQL bulk REPLACE using Python Django's model manager, please let me know.class SpamModel (models.Model): ...SpamModel.objects.bulk_create([] SpamModel (**item) for item in ite...

2 years ago

1 answers
112 views
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How to Install Python 2 Pip2 on Kali Linux with Python 3 Pip Installed

I am using Kali Linux 2020.2.Python 3.8.6 and pip 20.1.1 are currently installed.pip is installed in /usr/lib/python3/dist-packages/pipe and is used for Python 3.I have Python 2.7.18 installed separat...

2 years ago

3 answers
62 views
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Understanding How to Obtain Gradient Information in a Chainer

I have a question about the chain.I want to load a learned NN model and get gradient information for each layer when I enter an image, but I am worried that I cannot implement it.The network is define...

2 years ago

1 answers
41 views
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How to use Python 3 repr, rjust, etc.

I'm a programming beginner studying the Python3 tutorial.I am posting because I have not had the same question in the past.Tutorial 7.1.3. I am having trouble understanding the following example in th...

2 years ago

1 answers
66 views
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I want to get values from the number.array array.array array.

I would like to search for the value I want to get from the array using numpy.array and display it in print.But index=np.where (data[powering]==2.35) IndexError: arrays used as indications must be of ...

2 years ago

3 answers
107 views
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Understanding String Search Using Regular Expressions in Python 3.8.5 Series

If you look at tpe, you can see the data <class'pandas.core.series'>.I would like to do a string search for this data. match=Series_data [Series_data==F:\\]and the result was obtained.(So far it...


1 answers
160 views
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pyenv-win cannot escape properly

envWindows 10fishssh on msys2Username has white blankI change home directory from msys2 default home directory (/c/msys64/home/{User name}) to /c/Users/{User name} on both local setting and ssh settin...

2 years ago
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