Python pandas – filter rows after groupby
For example, I have the following table:
Python
How do you base-64 encode a PNG image for use in a data-uri in a CSS file?
I want to base-64 encode a PNG file, to include it in a data:url in my stylesheet. How can I do that?
socket.error:[errno 99] cannot assign requested address and namespace in python
My server software says errno99: cannot assign requested address while using an ip address other than 127.0.0.1 for binding.
How to call a property of the base class if this property is being overwritten in the derived class?
I’m changing some classes of mine from an extensive use of getters and setters to a more pythonic use of properties.
When scattering Flask Models, RuntimeError: ‘application not registered on db’ was raised
I am re-factoring my Flask application by scattering the models, blueprints but I am having a runtime error.
Python cx_Oracle bind variables
I am a Python newbie, I am having troubles in the use of bind variables. If I execute the code below everything works fine.
Matplotlib plot with variable line width
Is it possible to plot a line with variable line width in matplotlib? For example:
How can I open files in external programs in Python?
I’m wondering how to open files in programs such as Notepad and Picture Viewer depending on the extension the file has. I’m using Python 3.3 on Windows. I’ve done some research and people have mentioned a module named Image, but when I try and import this module I get an ImportError. Here’s what I have … Read more
Pyodbc – “Data source name not found, and no default driver specified”
I have trouble getting pyodbc work. I have unixodbc , unixodbc-dev, odbc-postgresql, pyodbc packages installed on my Linux Mint 14.
I am losing hope to find solution on my own, any help appreciated. See details below:
How to add/subtract time (hours, minutes, etc.) from a Pandas DataFrame.Index whos objects are of type datetime.time?
I’ve got a DataFrame who’s index is just datetime.time and there’s no method in DataFrame.Index and datetime.time to shift the time. datetime.time has replace but that’ll only work on individual items of the Series?