I’m very new with the syntax of regex, I already read some about the libary. I’m trying extract names from a simple sentence, but I found myself in trouble, below I show a exemple of what I’ve done. Anyone can explain me what is wrong and how to proceed? Answer I think your regex has two pro…
Virtual environment is active, but nothing is actually affected in Python 3 [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 y…
Can’t write in csv file
When I try to write the information in the csv file, error is thrown: How to keep the file open through the whole script execution ? Or I have to open it every time I am adding content ? EDIT In fact, the file is not even created. Answer The file closes at the end of the with block –
Delete empty dataframes from a list with dataframes
This is a list of dataframes. I am trying to delete the empty dataframes from the above list that contains dataframes. Here is what I have tried: which gives: Important:It needs to store them in the data variable as well Answer We ca use filter or list comprehension
How to rearrange a CSV?
How to rearrange a CSV? I’m trying to rearrange this data set into years so that: becomes: https://raw.githubusercontent.com/TheEconomist/big-mac-data/master/source-data/big-mac-source-data.csv How can I do that? Answer Try (I used the data from your link and assumed which columns you need):
finplot as a widget in layout
I am trying to add finplot, https://pypi.org/project/finplot/, as a widget to one of the layouts in my UI. I created a widget for finplot and added it to the widgets in the layout but I get the following error: Here is the code that I used. Answer The create_plot_widget() function creates a PlotItem that cann…
Why does Keras.preprocessing.sequence pad_sequences process characters instead of words?
I’m working on transcribing speech to text and ran into an issue (I think) when using pad_sequences in Keras. I pretrained a model which used pad_sequences on a dataframe and it fit the data into an array with the same number of columns & rows for each value. However when I used pad_sequences on tra…
How can I add an instruction after an object creation in Django CreateView?
On my generic class based CreateView, I would like to perform an instruction which creates new objects from another model related to the current created object. Example: Collection is a model which is related to 3 differents Element objects. When I create a MyCollection object, which is related to a Collectio…
Pinch/bulge distortion using Python OpenCV
I want to apply a pinch/bulge filter on an image using Python OpenCV. The result should be some kind of this example: https://pixijs.io/pixi-filters/tools/screenshots/dist/bulge-pinch.gif I’ve read the following stackoverflow post that should be the correct formula for the filter: Formulas for Barrel/Pi…
Mongoengine: Exception has occurred: ServerSelectionTimeoutError
I am having some issues connecting to my database on MongoDB. I am using mongoengine library to connect to the DB. I am also using ATLAS. Whenever I try to run my project it keeps showing “Exception has occurred: ServerSelectionTimeoutError” then show [SSL: CERTIFICATE_VERIFY_FAILED] certificate v…