Simple prime number generator in Python
Could someone please tell me what I’m doing wrong with this code? It is just printing ‘count’ anyway. I just want a very simple prime generator (nothing fancy).
python
Calling Python in Java?
I am wondering if it is possible to call Python functions from Java code using Jython, or is it only for calling Java code from Python?
Finding local maxima/minima with Numpy in a 1D numpy array
Can you suggest a module function from numpy/scipy that can find local maxima/minima in a 1D numpy array? Obviously the simplest approach ever is to have a look at the nearest neighbours, but I would like to have an accepted solution that is part of the numpy distro.
Python List vs. Array – when to use?
If you are creating a 1d array, you can implement it as a List, or else use the ‘array’ module in the standard library. I have always used Lists for 1d arrays.
DRF: Simple foreign key assignment with nested serializers?
With Django REST Framework, a standard ModelSerializer will allow ForeignKey model relationships to be assigned or changed by POSTing an ID as an Integer.
Format / Suppress Scientific Notation from Pandas Aggregation Results
How can one modify the format for the output from a groupby operation in pandas that produces scientific notation for very large numbers?
How to remove convexity defects in a Sudoku square?
I was doing a fun project: Solving a Sudoku from an input image using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
Find row where values for column is maximal in a pandas DataFrame
How can I find the row for which the value of a specific column is maximal?
Saving a Numpy array as an image
I have a matrix in the type of a Numpy array. How would I write it to disk it as an image? Any format works (png, jpeg, bmp…). One important constraint is that PIL is not present.