I have gigantic lists of objects with many duplicates (I’m talking thousands of lists with thousands of objects each, taking up to about 10million individual objects (already without duplicates). I need to go through them and remove all the duplicates inside each list (no need to compare between lists, only inside each one). I can, of course, go through the
Tag: python-3.x
Selenium webdriver functions are not showing in autosuggestion list pycharm
I have installed Python pip selenium pycharm. all works but I see that the autosuggestion box doesn’t show the web driver functions. is there a reason for this? Selenium is installed for project interpreter in pycharm This is how autosuggest list looks like And this is how i expect it to look like Answer When installing Selenium many folder are
DAG not visible in Web-UI
I am new to Airflow. I am following a tutorial and written following code. On running the script, it doesn’t show any errors but when I check for dags in Web-UI it doesn’t show under Menu->DAGs But I can see the scheduled job under Menu->Browse->Jobs I also cannot see anything in $AIRFLOW_HOME/dags. Is it supposed to be like this only?
I need a way to map multiple keys to the same value in a dictionary
Admittedly, this question seems like it might be a popular one, but I couldn’t really find it (perhaps I wasn’t using the right search terms). Anyway, I need something of this sort: So whenever a key’s value is already in the dict, append the key to the list of keys mapping to that value; else, add the key value pair
Print list of lists in separate lines
I have a list of lists: I want the output in the following format: I have tried it the following way , but the outputs are not in the desired way: Outputs: While changing the print call to use end instead: Outputs: Any ideas? Answer Iterate through every sub-list in your original list and unpack it in the print call
how to convert Python 2 unicode() function into correct Python 3.x syntax
I enabled the compatibility check in my Python IDE and now I realize that the inherited Python 2.7 code has a lot of calls to unicode() which are not allowed in Python 3.x. I looked at the docs of Python2 and found no hint how to upgrade: I don’t want to switch to Python3 now, but maybe in the future.
Why do I get False when using issubclass in this way?
Structure: m1.py: m2.py: I don’t now why I get false while I think it’s obviously true when I run m1.py. My python version is python3.5.2. Answer Wellcome to the world of modules and namespaces! Here is what happens: In module m2, you import A from module m1. So you create a class m2.A as a reference to class m1.A. It
Syntax for an If statement using a boolean
I just recently joined the python3 HypeTrain. However I just wondered how you can use an if statement onto a boolean. Example: And also, can I just switch the value of a boolean like this? Answer You can change the value of a bool all you want. As for an if: works, but you can also use: If you want
Alternative of urllib.urlretrieve in Python 3.5
I am currently doing a course on machine learning in UDACITY . In there they have written some code in python 2.7 but as i am currently using python 3.5 , i am getting some error . This is the code I tried urllib.request . But still gives me error . I am using PyCharm as my IDE . Answer
ImportError: No module named ‘encodings’
I recently reinstalled ubuntu and did upgrade to 16.04 and cannot use python: At this point, python itself doesn’t work Even this suggestion is no longer working: Every every I fix it one way, it comes back again. Several answers help to fix it temporarily, but not for good. I have reinstalled python and python3 several times. What can I