why isn’t numpy.mean multithreaded?
I’ve been looking for ways to easily multithread some of my simple analysis code since I had noticed numpy it was only using one core, despite the fact that it is supposed to be multithreaded.
Python
Removing character in list of strings
If I have a list of strings such as:
Meaning of end=” in the statement print(“t”,end=”)?
This is the function for printing all values in a nested list (taken from Head first with Python). def printall(the_list, level): for x in the_list: if isinstance(x, list): printall(x, level=level + 1) else: for tab_stop in range(level): print("t", end='') print(x) The function is working properly. The function basically prints the values in a list and … Read more
Negation in Python
I’m trying to create a directory if the path doesn’t exist, but the ! (not) operator doesn’t work. I’m not sure how to negate in Python… What’s the correct way to do this?
Convert JSON to XML in Python
I see a number of questions on SO asking about ways to convert XML to JSON, but I’m interested in going the other way. Is there a python library for converting JSON to XML?
View RDD contents in Python Spark?
Running a simple app in pyspark.
Unpivot Pandas Data
I currently have a DataFrame laid out as:
In Pandas, does .iloc method give a copy or view?
I find the result is a little bit random. Sometimes it’s a copy sometimes it’s a view. For example:
What is correct syntax to swap column values for selected rows in a pandas data frame using just one line?
I am using pandas version 0.14.1 with Python 2.7.5, and I have a data frame with three columns, e.g.:
How to make Python use CA certificates from Mac OS TrustStore?
I need to use curtom root certificates on the company intranet and loading them in the Mac OS TrustStore (KeyChain) does solve the problem for all browsers and GUI apps.