I have an 8bitdo NES controller that I have hooked up to a Raspberry Pi and am using it to interact with some various demos I’m working on. I’m trying to figure out a good way to grab multiple keypresses with evdev while debouncing so that a single keypress doesn’t trigger twice. I could set…
Tag: python
Manipulating DataFrame
I have the following dataframe df where there are 3 columns: Date, value and topic. I want to create a new dataframe df1 where the topic is the column and is indexed by day, and each topic has its own value per day. My problem is that I don’t know how to match the value to the topic per day.
unable to set line to input
I am trying to read humidity and temperature values from the AM2301(DHT21). for that I am using the adafruit_dht library which is written for DHT11 & DHT22. because I can’t find any adafruit library for AM2301 so I use this. when I first run the code using some gpio say D17. it works fine and gives …
How to replace special characters(double quotes to single quotes) from a list using python so that my list become a 2D list?
from this code I got a lists will be like this. now I want to replace double quotes with the single quotes. so that this lists will become a 2D list. I tried with the given below code. but that will not help. So how can I get lists as a 2D list? Answer
Python looping over a list to check if any of the list elements are equal to variable values in pandas dataframe
I have a pandas dataframe and I want to create a new dummy variable based on if the values of a variable in my dataframe equal values in a list. How can I create a new dummy variable for the dataframe, called variable 3, that equals 1 if variable 2 is present in the list and 0 if not? I
List of dictionaries, remove dicts with some duplicate key, values
Removing duplicates from list of dicts is as simple as set(list) but i have got stuck with this specific task. I need to filter a list of dicts only by some keys and keep only the first elements I need to get this very result (keep only first elements with same ‘dep_code’ and ‘arr_code’…
Writing a List of Dictionaries to seperate JSONs
I do have dictionary, with each value as a list. I want to write individual items to separate JSON files. For example Now I want 3 jsons i.e data1.jsob, data2.json, data3.json in the following(approx) format. data1.json data2.json and so on. My current approach is But this is wrong. Any helps appreciated. Ans…
Is there a faster way to know if it’s a real triangle?
The following code is intended to return 0 if it’s not possible to form a triangle with three given sides and return 1 if it is possible. Taking into account that it’s not possible for a triangle to have an area of zero or less, first I calculated the semiperimeter of this hypothetical triangle an…
How to remove features from regression results using bonferroni correction results?
I implemented a regression model using After fitting a regression model, I ran a bonferroni correction using And I get the following result: I want to use these arrays to remove the features in model_a that are False and create a new model ‘train_simplified’. I’m using the following manual a…
How could the energy and cos function be in different shapes?
I am trying to write a code that calculates an integral from zero to pi. But it gives an error which I do not understand how to fix. Thank you for your time. Answer As is pointed out in the top comment: Energy.shape == (2980,), but x.shape == (1000,) so reduce the number of elements in Energy or increase np.c…