I’m trying to produce a 0 or 1 with numpy’s random.rand. np.random.rand() produces a random float between 0 and 1 but not just a 0 or a 1. Thank you. Answer You can use np.random.choice with a list of [0,1], or use np.random.radint with a range of 0,2 You can also use the random module for the equ…
Tag: python
How to control the parallelism or concurrency of an Airflow installation?
In some of my Apache Airflow installations, DAGs or tasks that are scheduled to run do not run even when the scheduler doesn’t appear to be fully loaded. How can I increase the number of DAGs or tasks that can run concurrently? Similarly, if my installation is under high load and I want to limit how qui…
Prevent Sharing of Y Axes in a relplot
I’m having trouble getting seaborn’s relplot function to plot with different y axes on each row (while sharing x axes per column). I can see that both the FacetGrid and catplot methods in seaborn have a sharex/sharey keyword argument that would solve my problem, but I can’t find a similar on…
How can I use datetime.strptime on a string in the format ‘0000-00-00T00:00:00+00:00’?
Due to my application’s circumstances, I would prefer to use datetime.strptime instead of dateutil.parser. After looking at the docs, I thought that %Y-%m-%dT%H:%M:%S%z may be the proper format for parsing a date string like this. Yet it still gives me an error. Example Answer The easiest way to deal wi…
Numpy Zero Padding to match a certain shape
I have a file with arrays or different shapes. I want to zeropad all the array to match the largest shape. The largest shape is (93,13). To test this I have the following code: how can I zero pad this array to match the shape of (93,13)? And ultimately, how can I do it for thousands of rows? Edit: The
Is calling a “private” variable from a parent class (as a child class) violating Encapsulation
I am trying to understand more about the scopes of python variables. As of now, I do not want to break or violate encapsulation on variables that are declared to be private i.e., “self._variable”. I was wondering whether if it would be breaking encapsulation if a child class directly calls a varia…
Python argparse – user defined Action with ‘store_true’ behavoiur
Hi I suppose that i have parser argument which cannot pass any value, for example: And my user defined action: When i trying call this without any values: I receive this error message: I know that i can add action ‘store_true’ to my argument, but in this solution i cannot redirect execution of thi…
Connect to Power BI XMLA endpoint with Python
Since the announcement about XMLA endpoints, I’ve been trying to figure out how to connect to a URL of the form powerbi://api.powerbi.com/v1.0/myorg/[workspace name] as an SSAS OLAP cube via Python, but I haven’t gotten anything to work. I have a workspace in a premium capacity and I am able to co…
Extract multiple words using regexp_extract in PySpark
I have a list which contains some words and I need to extract matching words from a text line, I found this, but it only extracts one word. keys file content this is a keyword part_description file content 32015 this is a keyword hello world Code Outputs Expected output I want to return all matching keyword a…
My PyQt application not works with error – This application failed to start because no Qt platform
I developed a Python program using PyQt5 in Windows 10, and it works very well. Then i made it into .exe file with pyinstaller, but it failed and gave me an error. I searched for similar problems in here and google, but i couldn’t find the same problem – running .py works well but .exe failed. Fol…