How can I concatenate a string and a number in Python?
Explicit is better than implicit.
python
How to delete an element from a list while iterating over it in Python?
Given a list of numbers: L = [1, 2, 3, 4, 5] How do I delete an element, let’s say 3, from the list while I iterate over it? I tried the following code but it didn’t do it: for el in L: if el == 3: del el Answers: Thank you for visiting the … Read more
Float values as dictionary key
I am developing a class for the analysis of microtiter plates. The samples are described in a separate file and the entries are used for an ordered dictionary. One of the keys is pH, which is usually given as float. e.g 6.8
why is python string split() not splitting
I have the following python code.
Zipping lists of unequal size
I have two lists
Pandas monthly rolling operation
I ended up figuring it out while writing out this question so I’ll just post anyway and answer my own question in case someone else needs a little help.
the bytes type in python 2.7 and PEP-358
According to PEP 358, a bytes object is used to store a mutable sequence of bytes (0-255), raising if this is not the case.
Why is the purpose of the “else” clause following a “for” or “while” loop?
I am a Python beginner. I find that the else in for–else and while–else is completely unnecessary. Because for and while will finally run to else, and we can use the usual lines instead. For example: for i in range(1, 5): print i else: print 'over' and for i in range(1, 5): print i print … Read more
Slicing a numpy array along a dynamically specified axis
I would like to dynamically slice a numpy array along a specific axis. Given this:
Tk treeview column sort
Is there a way to sort the entries in a Tk Treeview by clicking the column? Surprisingly, I could not find any documentation/tutorial for this.