I have a dataframe generated from Python's Pandas package. How can I generate heatmap using DataFrame from pandas package. ...

Can someone elaborate the differences between the OpenMPI and MPICH implementations of MPI ? Which of the two is a better implementation ? ...

I don't really understand regular expressions. Can you explain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them? ...

What is undefined behavior in C and C++? What about unspecified behavior and implementation-defined behavior? What is the difference between them? ...

I have the following code: 17 Answers 17 ...

I've been trying to figure out how to iterate over the list of columns defined in a SQLAlchemy model. I want it for writing some serialization and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items. ...

I have a batch file that automates copying a bunch of files from one place to the other and back for me. Only thing is as much as it helps me I keep accidentally selecting that command off my command buffer and mass overwriting uncommited changes. ...

Our build server is taking too long to build one of our C++ projects. It uses Visual Studio 2008. Is there any way to get devenv.com to log the time taken to build each project in the solution, so that I know where to focus my efforts? ...

I have a double (call it x), meant to be 55 but in actuality stored as 54.999999999999943157 which I just realised. 5 Answe...

Let's say I have a string such as: 15 Answers 15 ...