TLDR at bottom. First off, while loops run if the following condition is true, so must return true when simplified, for the while funtion to run The and operator returns true if both conditions are true, so the while loop will only run when it is True and True. So the following won’t run if either of the dice rolled … Read more
Don’t use sudo in a virtual environment because it ignores the environment’s variables and therefore sudo pip refers to your global pip installation. So with your environment activated, rerun pip install boto3 but without sudo.
I encountered the exact same error, because my username included a space. (“C:\Users\Ben Ji”) The easiest solution is to install Anaconda to another folder in the Users-folder, e.g. public. (The same error occurs when using pip, check out https://stackoverflow.com/a/35275384/6580199)
urllib has been split up in Python 3. The urllib.urlencode() function is now urllib.parse.urlencode(), the urllib.urlopen() function is now urllib.request.urlopen().
Using ‘virtualenv’ you can have different isolated Python environments on a single machine. Also you can switch any-time between the different python interpreter versions. What is virtualenv? A Virtual Environment is an isolated working copy of Python which allows you to work on a specific project without worry of affecting other projects. It enables multiple side-by-side installations … Read more
MySQLdb is only for Python 2.x. You can’t install in Python 3.x versions. Now from your question i can see that you are working with Django. In this case you have three alternatives, from Django mysql notes: mysqldb mysqlclient mysql-connect-python This gives to you two alternatives, mysqlclient and mysql-connect-python, The first one requires compilation from extensions … Read more
You are probably looking for the pyreadstat module, you can find some code snippet to start on the github page.
That is because in Python 3, they have replaced the print statement with the print function. The syntax is now more or less the same as before, but it requires parens: From the “what’s new in python 3” docs:
A set is an unordered data structure, so it does not preserve the insertion order. This depends on your requirements. If you have an normal list, and want to remove some set of elements while preserving the order of the list, you can do this with a list comprehension:>>> a = [1, 2, 20, 6, 210] >>> … Read more
Although using virtual environment is advisable in many use-cases, it is not strictly required. You can have a system python3.5 and a pip installation associated with it. Note that Python 3.5 is now end-of-life and pip has now dropped support. The final version of pip supporting Python 3.5 was 20.3.4 (Jan 2021). Download this file: pip-20.3.4-py2.py3-none-any.whl Bootstrap a pip installation using the wheel … Read more