PyCharm shows “PEP8: expected 2 blank lines, found 1”
Just add another line between your function definitions : 1 line : 2 lines:
python-2.7
Add list to set?
You can’t add a list to a set because lists are mutable, meaning that you can change the contents of the list after adding it to the set. You can however add tuples to the set, because you cannot change the contents of a tuple: Edit: some explanation: The documentation defines a set as an unordered collection of … Read more
Python Save to file
I would like to save a string to a file with a python program named Failed.py Here is what I have so far:
IndexError: index 1 is out of bounds for axis 0 with size 1/ForwardEuler
The problem, as the Traceback says, comes from the line x[i+1] = x[i] + ( t[i+1] – t[i] ) * f( x[i], t[i] ). Let’s replace it in its context: x is an array equal to [x0 * n], so its length is 1 you’re iterating from 0 to n-2 (n doesn’t matter here), and i … Read more
AttributeError(“‘str’ object has no attribute ‘read'”)
The problem is that for json.load you should pass a file like object with a read function defined. So either you use json.load(response) or json.loads(response.read()).
What is Python buffer type for?
An example usage: The buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn’t take extra storage space – it references a slice of the string. This isn’t very useful for short strings like this, but it can be necessary when using large amounts of data. This example … Read more
Python TypeError: ‘type’ object is not iterable
If you query type(a), you get list. You probably want to do a mapping of the elements to the corresponding types, so use map: Furthermore you should not print the result of listType, since it does not return anything, and fix the indentation of the program. I hope it is correct now.
how does \r (carriage return) work in Python
Well, it appears that you did move to the left of the line. It just left the rest of the line untouched. Note that return is 6 chars, and I will is also 6.
how to update spyder on anaconda
To expand on juanpa.arrivillaga‘s comment: If you want to update Spyder in the root environment, then conda update spyder works for me. If you want to update Spyder for a virtual environment you have created (e.g., for a different version of Python), then conda update -n $ENV_NAME spyder where $ENV_NAME is your environment name. EDIT: In case conda update spyder isn’t working, this post indicates you … Read more
Change figure size and figure format in matplotlib
You can set the figure size if you explicitly create the figure with You need to set figure size before calling plt.plot() To change the format of the saved figure just change the extension in the file name. However, I don’t know if any of matplotlib backends support tiff