I am experiencing a problem that I am not sure how to solve and I hope someone here can help me. Currently I have a string variable and later I replace the letters in the string with underscores like the following:
so I've been messing around with the .replace() function lately and wanted to make it reverse whatever the user inputs. (Aka a -> z, A -> Z, b -> y, B -> Y, ...)
How to replace all the Double quotes into both open and close curly brackets.I tried with this regexBut I end up with this:
I have multiple simple functions that need to be implemented on every row of certain columns of my dataframe. The dataframe is very like, 10 million+ rows. My dataframe is something like this:
Vim substitute command :%s/old/new/g will replace all occurrences of old by new. But I want to do this replacement only in lines that do not start with #. I mean in my file there are some lines starting with # (called commented lines) which I want to exclude in search...
Suppose I have the following list in Python:Given n, I want to replace any other m elements with zero in my list, while keeping the next n elements.
Consider:has output: but:has output: Where is the extra space coming from?It is not a space. It is how your IDE/console shows /0 character which new char is filled with by default.
Consider:has output hellohellohellohellohellohellohellohellohellohello but has output Where is the extra space coming from?
Python's behavior seems inconsistent when replacing values in the case shown below (using python 3.6.5)
I was doing a local test to compare Replace operations performance from String and StringBuilder in C# but for String I was using the following code: