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How can I make pandas dataframe column headers all lowercase?
I want to make all column headers in my pandas data frame lower case
5 Answers
5
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How are “mvn clean package” and “mvn clean install” different?
What exactly are the differences between mvn clean package and mvn clean install ? When I run both of these commands, they both seem to do the same thing.
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How do I script a “yes” response for installing programs?
I work with Amazon Linux instances and I have a couple scripts to populate data and install all the programs I work with, but a couple of the programs ask:
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How can I check whether a numpy array is empty or not?
...an always take a look at the .size attribute. It is defined as an integer, and is zero (0) when there are no elements in the array:
import numpy as np
a = np.array([])
if a.size == 0:
# Do something when `a` is empty
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What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?
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What is causing “Unable to allocate memory for pool” in PHP?
...like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes
... between 5+ multiprocessing Process objects. I've seen numpy-sharedmem and read this discussion on the SciPy list. There seem to be two approaches-- numpy-sharedmem and using a multiprocessing.RawArray() and mapping NumPy dtype s to ctype s. Now, numpy-sharedmem seems to be the way to g...
What is App.config in C#.NET? How to use it?
...onfig is an XML file with many predefined configuration sections available and support for custom configuration sections. A "configuration section" is a snippet of XML with a schema meant to store some type of information.
Overview (MSDN)
Connection String Configuration (MSDN)
Settings can be co...
Showing Travis build status in GitHub repo
... mean, go to your github repo > Settings > Service Hooks. Use Ctrl+F and search for Travis.
EDIT2:
Go to https://travis-ci.org/profile/{fill in your own usernam}/profile
Then copy the token and paste it inside the Travis Service Hook page in your Github Repo Settings section.
Type in your ...
How to handle static content in Spring MVC?
I am developing a webapp using Spring MVC 3 and have the DispatcherServlet catching all requests to '/' like so (web.xml):
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