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Scroll in Selenium Webdriver (Python)

Prerequisites. You need an account at Instagram to use this script. Setup a test environment: Log in, open the needed list(works correctly): Wrong scroll. How to fix this block? How to focus and scroll correctly on this page? My attempts: ============================================================= to @Moshi…

How to extract digits from a number from left to right?

I know that I can extract digits from a number from right to left by implementing something like: But is there a way to do it from left to right that works similar to this one, simply by using stuff like the modulo value? Answer If you don’t have problem with recursion approach then here is a solution w…

sqlalchemy dynamic filtering

I’m trying to implement dynamic filtering using SQLAlchemy ORM. I was looking through StackOverflow and found very similar question:SQLALchemy dynamic filter_by It’s useful for me, but not enough. So, here is some example of code, I’m trying to write: then I’m trying to reuse it with s…

Select multiple ranges of columns in Pandas DataFrame

I have to read several files some in Excel format and some in CSV format. Some of the files have hundreds of columns. Is there a way to select several ranges of columns without specifying all the column names or positions? For example something like selecting columns 1 -10, 15, 17 and 50-100: I need to know h…

Conditional or optional context managers in with statement

Suppose I have some kind of context manager (from a third-party library) that I am using like so: But, suppose if there is no value for test_dt, the context manager should not run, but all of the remaining code should run, like so: Assume that lines_of_code here is 2-3 lines of code which are exactly identica…

What is as_index in groupby in pandas?

What exactly is the function of as_index in groupby in Pandas? Answer print() is your friend when you don’t understand a thing. It clears out doubts many times. Take a look: Output: When as_index=True the key(s) you use in groupby() will become an index in the new dataframe. The benefits you get when yo…