Is it possible to execute statements while the debug mode is active, possibly in the interactive mode? Let’s say I’m working with a dataframe, and it doesn’t behave as I want. I go line by line in debug mode, and I want to check some properties while doing that, for example the number of NaN…
recursive implementation of sum to target Python
I have the following method that, given a target integer, generates all ways to create that integer from an ordered row of integers, subject to the condition that the column index (starting from one) multiplied by the number sums to the target for each row. Below is some code that achieves this. Notice that a…
How to set amount of hue levels in seaborn?
With the following code, I can use seaborn’s scatterplot to plot data with certain colors assigned to data values. How can I set the amount of colors that get used in this example? (e.g. if I want to have only two colors used or more than the 6 shown in the example) Answer Seaborn’s scatterplot ha…
Choosing how many x axis labels display on an altair chart in python
I have an altair chart where I am using mark_rectangle. I want to choose how many x axis labels are displayed to have the marks form squares in the visualization. Or perhaps I want to choose the range of the x axis labels. Right now there are far too many labels being displayed. Below I have an example of wha…
This logger has no handler, yet it prints. Why?
I have a sample logger that I think has no handler, yet it outputs log messages. Here is the code: And the result says the logger has no handlers, there is an empty list of handlers, yet it prints the output: Why does this work? Do I need to add a NullHandler() to stop output? Answer It’s because for Py…
Why TensorFlow CPU 2.7.0 is not found by docker while creating an image?
I am building a docker image, using this Dockerfile: This is the command I used: And it is giving this error: Why it can’t find tensorflow-cpu==2.7.0, when this TensorFlow version is available. What’s wrong? Here is my requirements.txt: What is not working: Just writing tensorflow in requirements.…
Adding dynamic attribute to python class fails
I’m trying to dynamically add an attribute to some class from javalang: But when I try to simply assign a new attribute (qualifier_type) Nothing happens: Answer Apparently, my attribute was there all the time, it just wasn’t printed, since the __repr__ implementation iterated over self.attrs. Expl…
Python: Generate random letter then Keystroke said letter
(I am using Python under Mac OS) Hey Guys, i am looking for a way to random generate a letter (a-z) and then keystroke it. The way I usually do keystrokes is: cmd = “”” osascript -e ‘tell application ‘System Events’ to keystroke “insert_letter_here”‘ ̶…
Find neighbors coordinate (python)
I am creating code that calculates neighbor coordinates to passed coordinate. I have list of lists with “directions” I want move to, first number is X-value, second number is Y-value. Then I have a function to calculate new coordinates and store them in a list “results” Example: if I p…
How to filter multiple rows based on rows and columns condition in pyspark
I want to filter multiple rows based on “value” column. Ex, i want filter velocity from channel_name column where value>=1 & value <=5 and i want filter Temp from channel_name column where value>=0 & value <=2. Below id my Pysaprk DF. start_timestamp channel_name value 2020-11-…