Installing scipy for python 2.7
Download it from here. I’m not sure about that site you referred to, but I always start at: http://www.scipy.org
Python
Get current time in milliseconds in Python?
Using time.time(): Then:
Failed building wheel for Twisted in Windows 10 python 3
1 I’m trying to install rasa-core on my windows 10 machine. When installing with pip install, I get: Failed building wheel for Twisted The same error appears when trying to install Twisted separately. 1 I’m trying to install rasa-core on my windows 10 machine. When installing with pip install, I get: Failed building wheel for … Read more
Does tkinter have a table widget?
Tkinter doesn’t have a built-in table widget. The closest you can use is a Listbox or a Treeview of the tkinter’s sub package ttk. However, you can use tktable, which is a wrapper around the Tcl/Tk TkTable widget, written by Guilherme Polo. Note: to use this wrapper library you need first to have installed the … Read more
Sorting list of lists by the first element of each sub-list
How to sort a list of lists according to the first element of each list? For example, giving this unsorted list: The sorted result should be:
“Python version 2.7 required, which was not found in the registry” error when attempting to install netCDF4 on Windows 8
Just download Python 2.7.6 Windows Installer from the official Python download page, and launch the install package.
strncmp in python
Yes. You can do: if a in b: That will check if a is a substring anywhere in b. e.g. From your post, it appears you want to only look at the start of the strings. In that case, you can use the .startswith method: Similarly, you can do the same thing with endswith: finally, … Read more
How to create Gephi network graphs from Python?
I have just found out about GephiStreamer. https://pypi.python.org/pypi/GephiStreamer Using this package one can send instructions from python to Gephi to create nodes and edges in Gephi. Similarly I want to do everything in Gephi through Python. Here is what I typically do. ex: steps: load nodes load edges calculate betweeness centrality change the size/color of … Read more
Python/Scikit-Learn – Can’t handle mix of multiclass and continuous
Accuracy is a classification metric. You can’t use it with a regression. See the documentation for info on the various metrics.
In Python, is there an elegant way to print a list in a custom format without explicit looping?
Note: you just need to understand that list comprehension or iterating over a generator expression is explicit looping.