python-3.x Archives - Page 13 of 15

Are dictionaries ordered in Python 3.6+?

Dictionaries are insertion ordered as of Python 3.6. It is described as a CPython implementation detail rather than a language feature. The documentation ...

April 28, 2022
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How do I remove/delete a virtualenv?

I created an environment with the following command: virtualenv venv --distribute I cannot remove it with the following command: rmvirtualenv venv – This ...

April 28, 2022
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What is the best way to remove accents (normalize) in a Python unicode string?

I have a Unicode string in Python, and I would like to remove all the accents (diacritics). I found on the web an ...

April 28, 2022
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Fixed digits after decimal with f-strings

Is there an easy way with Python f-strings to fix the number of digits after the decimal point? (Specifically f-strings, not other string ...

April 27, 2022
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TypeError: a bytes-like object is required, not ‘str’ when writing to a file in Python 3

I’ve very recently migrated to Python 3.5. This code was working properly in Python 2.7: with open(fname, 'rb') as f: lines =...

April 21, 2022
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What does -> mean in Python function definitions?

I’ve recently noticed something interesting when looking at Python 3.3 grammar specification: funcdef: 'def' NAME parameters...

April 21, 2022
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UnicodeDecodeError: ‘charmap’ codec can’t decode byte X in position Y: character maps to

I’m trying to get a Python 3 program to do some manipulations with a text file filled with information. However, when trying to ...

April 20, 2022
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Using Python 3 in virtualenv

Using virtualenv, I run my projects with the default version of Python (2.7). On one project, I need to use Python 3.4. I ...

April 19, 2022
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What is pycache?

From what I understand, a cache is an encrypted file of similar files. What do we do with the __pycache__ folder? Is it ...

April 17, 2022
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How do I type hint a method with the type of the enclosing class?

I have the following code in Python 3: class Position: def __init__(self, x: int, y: int): self.x = x self.y = y def ...

April 17, 2022
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