How do I install pip on macOS or OS X?
I spent most of the day yesterday searching for a clear answer for installing pip (package manager for Python). I can’t find a good solution. How do I install it?
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How do you get the logical xor of two variables in Python?
If you’re already normalizing the inputs to booleans, then != is xor.
ImportError: No module named matplotlib.pyplot
You have two pythons installed on your machine, one is the standard python that comes with Mac OSX and the second is the one you installed with ports (this is the one that has matplotlib installed in its library, the one that comes with macosx does not). Is the standard mac python and since it … Read more
Converting string into datetime
datetime.strptime is the main routine for parsing strings into datetimes. It can handle all sorts of formats, with the format determined by a format string you give it: The resulting datetime object is timezone-naive. Links: Python documentation for strptime: Python 2, Python 3 Python documentation for strptime/strftime format strings: Python 2, Python 3 strftime.org is … Read more
Converting NumPy array into Python List structure?
Use tolist(): Note that this converts the values from whatever numpy type they may have (e.g. np.int32 or np.float32) to the “nearest compatible Python type” (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you’ll end up with a list of numpy scalars. … Read more
Python Dictionary Comprehension
There are dictionary comprehensions in Python 2.7+, but they don’t work quite the way you’re trying. Like a list comprehension, they create a new dictionary; you can’t use them to add keys to an existing dictionary. Also, you have to specify the keys and values, although of course you can specify a dummy value if … Read more
Python random function
import random imports the random module, which contains a variety of things to do with random number generation. Among these is the random() function, which generates random numbers between 0 and 1. Doing the import this way this requires you to use the syntax random.random(). The random function can also be imported from the module … Read more
Tensorflow import error: No module named ‘tensorflow’
The reason Python 3.5 environment is unable to import Tensorflow is that Anaconda does not store the tensorflow package in the same environment. One solution is to create a new separate environment in Anaconda dedicated to TensorFlow with its own Spyder and then install tensorflow into newenvt I found this primer helpful
“pip install unroll”: “python setup.py egg_info” failed with error code 1
I’m new to Python and have been trying to install some packages with pip. But pip install unroll gives me Command “python setup.py egg_info” failed with error code 1 in C:\Users\MARKAN~1\AppData\Local\Temp\pip-build-wa7uco0k\unroll\ How can I solve this?
How to write the Fibonacci Sequence?
There is lots of information about the Fibonacci Sequence on wikipedia and on wolfram. A lot more than you may need. Anyway it is a good thing to learn how to use these resources to find (quickly if possible) what you need. Write Fib sequence formula to infinite In math, it’s given in a recursive … Read more