I guess you have the wrong version of scikit-learn, a similar situation was described here on GitHub. Previously (before v0.18), train_test_split was located in the cross_validation module: However, now it’s in the model_selection module: so you’ll need the newest version. To upgrade to at least version 0.18, do: (Or pip3, depending on your version of Python). If you’ve installed it in a different way, make sure … Read more
No, there are no inline comments in Python. From the documentation: A comment starts with a hash character (#) that is not part of a string literal, and ends at the end of the physical line. A comment signifies the end of the logical line unless the implicit line joining rules are invoked. Comments are ignored by … Read more
Something like: Just put the actual encoding you are using.
plt.subplots() is a function that returns a tuple containing a figure and axes object(s). Thus when using fig, ax = plt.subplots() you unpack this tuple into the variables fig and ax. Having fig is useful if you want to change figure-level attributes or save the figure as an image file later (e.g. with fig.savefig(‘yourfilename.png’)). You certainly don’t have to use the returned figure object … Read more
You rarely need loops for vector operations in numpy. You can create an uninitialized array and assign to all entries at once: I have timed the alternatives a[:] = numpy.nan here and a.fill(numpy.nan) as posted by Blaenk: The timings show a preference for ndarray.fill(..) as the faster alternative. OTOH, I like numpy’s convenience implementation where you can assign values to whole … Read more
I tested your code, and it works as expected on my machine. Your issue might not be your code. It could be a firewall or something else blocking all the packets on the loopback interface (127.0.0.1). Depending on your operating system, try testing with a packet monitor like Wireshark. Also, here are a few suggestions … Read more
TCP/IP is a stream-based protocol, not a message-based protocol. There’s no guarantee that every send() call by one peer results in a single recv() call by the other peer receiving the exact data sent—it might receive the data piece-meal, split across multiple recv() calls, due to packet fragmentation. You need to define your own message-based protocol on top of TCP in order to differentiate message … Read more
From Django documentation for url url(regex, view, kwargs=None, name=None) This function is an alias to django.urls.re_path(). It’s likely to be deprecated in a future release. Key difference between path and re_path is that path uses route without regex You can use re_path for complex regex calls and use just path for simpler lookups
You can first select by iloc and then sum: For sum all columns use:
Since, you are able to run Python in PowerShell. You can just do python <scriptName>.py to run the script. So, for a script named test.py containing The PowerShell session would be