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python-2.x

How can I force division to be floating point? Division keeps rounding down to 0?

August 22, 2022 by Magenaut

I have two integer values a and b, but I need their ratio in floating point. I know that a < b and I want to calculate a / b, so if I use integer division I’ll always get 0 with a remainder of a.

Categories Python, Q&A Tags division, floating-point, integer, python, python-2.x Leave a comment

UnicodeEncodeError: ‘ascii’ codec can’t encode character u’xa0′ in position 20: ordinal not in range(128)

August 22, 2022 by Magenaut

I’m having problems dealing with unicode characters from text fetched from different web pages (on different sites). I am using BeautifulSoup.

Categories Python, Q&A Tags beautifulsoup, python, python-2.x, python-unicode, unicode Leave a comment

What exactly do “u” and “r” string prefixes do, and what are raw string literals?

August 22, 2022 by Magenaut

While asking this question, I realized I didn’t know much about raw strings. For somebody claiming to be a Django trainer, this sucks.

Categories Python, Q&A Tags python, python-2.x, rawstring, unicode Leave a comment

How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples greater than lists?

August 22, 2022 by Magenaut

The following snippet is annotated with the output (as seen on ideone.com):

Categories Python, Q&A Tags comparison, python, python-2.x, types Leave a comment

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

August 22, 2022 by Magenaut

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

Categories Python, Q&A Tags diacritics, python, python-2.x, python-3.x, unicode Leave a comment

How can I concatenate str and int objects?

August 22, 2022 by Magenaut

If I try to do the following:

Categories Python, Q&A Tags concatenation, python, python-2.x, python-3.x, string Leave a comment

Why does the division get rounded to an integer?

August 22, 2022 by Magenaut

I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:

Categories Python, Q&A Tags math, python, python-2.x Leave a comment

How to pretty-print a numpy.array without scientific notation and with given precision?

August 21, 2022 by Magenaut

I’m curious, whether there is any way to print formatted numpy.arrays, e.g., in a way similar to this:

Categories Python, Q&A Tags numpy, pretty-print, python, python-2.x Leave a comment

Setting the correct encoding when piping stdout in Python

August 21, 2022 by Magenaut

When piping the output of a Python program, the Python interpreter gets confused about encoding and sets it to None. This means a program like this:

Categories Python, Q&A Tags encoding, python, python-2.x, stdout, terminal Leave a comment

Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?

August 21, 2022 by Magenaut

I have seen few py scripts which use this at the top of the script. In what cases one should use it?

Categories Python, Q&A Tags encoding, python, python-2.x, sys, utf-8 Leave a comment
Older posts
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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