Typically, Python code strives to adhere to the Uniform Access Principle. Specifically, the accepted approach is: Expose your instance variables directly, allowing, for instance, foo.x = 0, not foo.set_x(0) If you need to wrap the accesses inside methods, for whatever reason, use @property, which preserves the access semantics. That is, foo.x = 0 now invokes … Read more
There is a function assert_approx_equal in numpy.testing (source here) which may be a good starting point.
I looked at previous similar questions and got only more confused. In python 3.4, I want to read an html page as a string, given the url. In perl I do this with LWP::Simple, using get(). A matplotlib 1.3.1 example says: import urllib; u1=urllib.urlretrieve(url). python3 can’t find urlretrieve. I tried u1 = urllib.request.urlopen(url), which appears … Read more
I’m trying to write a program that plots a graph, which made me look into Matplotlib. I found a tutorial that started out with this little program, that worked fine: Then I tried to run it on another computer, where it did not work at all. I tried to download Pylab and Matplotlib. When I … Read more
Supposing d is your list of dicts, simply: Note: this does not work with nested data.
I have tensorflow 1.2.1 installed, and I need to downgrade it to version 1.1 to run a specific tutorial. What is the safe way to do it? I am using windows 10, python 3.5. Tensorflow was installed with pip3, but “pip3 show tensorflow” returns blank. Is it possible to have multiple version of tensorflow on … Read more
Would this relationship not be better expressed as a one-to-many foreign key relationship to a Friends table? I understand that myFriends are just strings but I would think that a better design would be to create a Friend model and have MyClass contain a foreign key realtionship to the resulting table.
The error message you are getting indicates that the certificate you are using is signed with an md5 hash. OpenSSL 1.1.0 has introduced a new feature called security level.The default setting of 1 will cause the following (emphasis by me): The security level corresponds to a minimum of 80 bits of security. Any parameters offering … Read more
Based on this answer, try using py.plot instead of py.iplot. KeyError: ‘plotly_domain’ when using plotly to do scatter plot in python The reason is that iplot is for ipython sessions.
In a general case, when you have multiple levels of looping and break does not work for you (because you want to continue one of the upper loops, not the one right above the current one), you can do one of the following Refactor the loops you want to escape from into a function The … Read more