I wrote the following code in order to scrape the text of the element <h3 class=”h4 mb-10″>Total nodes: 1,587</h3> from https://blockchair.com/dogecoin/nodes. I’m aware that there are perhaps less bloated options than selenium to scrape the target in question, yet the said code is just a snippet, a part of a more extensive script that relies on selenium for its other
Tag: python
How can I pass the TKinter button/label that triggered a bind to a function which that bind calls?
I hope someone can help with this. I’m new to coding and wanted to try doing some GUI stuff in Python with TKinter. In one of my projects, I want any button that the mouse hovers over to change it’s background color. However I don’t want to define a function for every single button. Here is an example: Now of
Selecting rows based on condition in python pandas
I have a data-frame with columns as [‘ID’,’Title’,’Category’,’Company’,’Field’] and it has both blank values and at some places missing values are put as N/A. I have to pick the row which has maximum information available. For example one case could be. In this case i want to select the row number 2 as it has maximum information available. I tried
Create new key based on relationship between two columns
I’m trying to add a key for all related instances between two columns, then create a GroupID The logic will be: Check all instances of ID2 linked to ID1 CHeck all instances of ID1 linked to ID2 found in (1) Repeat until all relationships found Answer Let us try with networkx
How to keep n characters of each row of a pd df, where n differs by row?
I have created a df one column of which contains string values that I want to trim based on a different int value each time. Ex.: From: length String -3 adcdef -5 ghijkl I wanna get: length String -3 def -5 hijkl What I tried is the following: However, I keep getting this warning: SettingWithCopyWarning: A value is trying to
Difference between wkt and str
I have a shapely Polygon. What is the difference between converting it to wkt and converting it to string: Is the result always the same? And can these two be used interchangeably? Answer They are the same. Looking at the source code BaseGeometry.__str__() method returns self.wkt. So with P.wkt or str(P) you get the same Well Known Text (WKT) representation.
Data Frame to CSV
I am currently trying to export my data frame into a csv. The basis of the code is to run a list of tickers through yahoo_fin and get options data. The code works, and I retrieve info for every ticker, however, when I assign the stocks a data frame to export into csv form, the csv only opens with the
TKinter – buttons not in a row?
i try to bring those 2 buttons i a line under the dropboxes – But as you can see in the picture – the button are not in the same line. This is part of my code where i am setting the grid for the output: Any ideas why this is not working as expected? Answer In order to match
unit testing with pytest parametrize
I have the following test code: This is not my real test this is just a minimal reproduce example. I need to parameterised only the input which is checked against the same code. For some reason this doesn’t work I always get: How can I fix it? Answer You can’t use @pytest.mark.parametrize on unittest.TestCase methods. PyTest has no way to
Finding duplicate characters in a string using for loops in Python:
I have a simple question. First of all I want to say that the code I used below works perfectly fine for the purpose of finding duplicate characters in a string (although there might be better solutions to that problem without a doubt). But I struggle to understand why i need to declare the count variable in the first for