I need to check the value of all 3 variables(username, password, secret). If a value is NA then I need to execute a print statement or else some condition needs to be executed. Example How to check the value of those variables all at once? Answer You could use the in operator to check whether a value is ̶…
Python: how to open a file using system app on Android
The goal is top open a file in Android’s default app For example, an image in Gallery The file path is known. I’ve searched a lot but could not find any answer. (I am making a kivy app and then building an apk using Buildozer) Answer Found a solution, https://github.com/kivy/plyer/issues/500#issue…
Python 3: time.perf_counter() output does not match the programme processing time on Coursera
I have been working on a Coursera assignment, it required my run time to be less than 5.00 . The code is below, but my question is basically about the first and last line, where I was testing the processing time Using the last line of code, my processing time was 3.3251947 However, when I submitted this code …
python coinbase pro sandbox authentication request error
Trying to use the example python from the coinbase pro api to do an authenticated request… it doesn’t work going to the sandbox. I get the following error. Isn’t there a simple request example that works on the web somewhere? Here is what I get back…. 200 Traceback (most recent call la…
Get first value less than x using np.select / ValueError: -1 is not in range
I have come across an issue with the np.select section of my code and have reproduced a minimal-reproducible-example to seek some advice as to why ValueError: -1 is not in range is being returned rather than nan Using df[‘number’][3] when number = 1 I would expect to return nan since the value loc…
I am having trouble changing the url.py within Django
Hello I am needing assistance. I am currently doing within url.py for Django: urlpatterns = [ path(‘cookies/’, admin.site.urls), ] This is being done from urls.py in atom and when I look at the terminal it is not able to GET the new url. When I have 127.0.0.1/cookies/ I am still directed to a not …
Floyd-Warshall algorithm on GPU using numba
I’m writing optimised Floyd-Warshall algorithm on GPU using numba. I need it to work in a few seconds in case of 10k matricies. Right now the processing is done in around 60s. Here is my code: To be honest I’m pretty new to writing scripts on GPU, so do you have any ideas how to make this code eve…
How to iterate odd indexes and add them back to original list
I want to add “…” after every odd index in my list (or after every second word), but I can’t quite figure out how to do it. Answer you can use something like that:
How to convert multiple pandas columns from string boolean to boolean?
I have this dataframe I want to convert the string booleans to booleans. I have tried and but neither of these worked. Is it possible to do convert the type of multiple columns in a single line or do I have to convert the relevant columns one at a time? Answer You can use the dictionary version of replace.
In PyQT why somes widgets needs the “self” parameter before calling them, while others don’t
I’m a little bit confused about the use of the “self” parameter with some widgets like (QLineEdit), indeed when learning to use the QLabel widget, I used to call the class without the self paramater, or when using the QLineEdit widget, the widget wouldn’t work without the “self&#…