Django __str__ returned non-string (type NoneType)
you can try:
python-3.x
IOError: [Errno 32] Broken pipe when piping: `prog.py | othercmd`
I haven’t reproduced the issue, but perhaps this method would solve it: (writing line by line to stdout rather than using print) You could catch the broken pipe? This writes the file to stdout line by line until the pipe is closed. You also need to make sure that othercommand is reading from the pipe before it gets too big – https://unix.stackexchange.com/questions/11946/how-big-is-the-pipe-buffer
During handling of the above exception, another exception occurred
Currently, you having an issue with raising the ValueError exception inside another caught exception. The reasoning for this solution doesn’t make much sense to me but if you change To Making your end code. You should get the desired result of catching an exception. e.g. Sorry I can’t give you an explanation why this works specifically but … Read more
How to print a specific row of a pandas DataFrame?
When you call loc with a scalar value, you get a pd.Series. That series will then have one dtype. If you want to see the row as it is in the dataframe, you’ll want to pass an array like indexer to loc. Wrap your index value with an additional pair of square brackets
TypeError: got multiple values for argument
This happens when a keyword argument is specified that overwrites a positional argument. For example, let’s imagine a function that draws a colored box. The function selects the color to be used and delegates the drawing of the box to another function, relaying all extra arguments. Then the call will fail because two values are … Read more
TypeError: fit() missing 1 required positional argument: ‘y’
I am trying to predict economic cycles using Gaussian Naive Bayes “Classifier”. data (input X) : target (output Y) : Below is my code: Below is Error: What am I doing wrong? How can I resolve this issue /error ?
What’s the correct way to convert bytes to a hex string in Python 3?
Since Python 3.5 this is finally no longer awkward: and reverse: works also with the mutable bytearray type. Reference: https://docs.python.org/3/library/stdtypes.html#bytes.hex
Generate a random letter in Python
Simple: string.ascii_letters returns a string containing the lower case and upper case letters according to the current locale. random.choice returns a single, random element from a sequence.
Python can’t find file
I am having great difficulty getting python 3.4 to recognize a path or text file on a windows 8 system. I have tried a variety of different approaches but get the similar errors (which likely implies something simple regarding the syntax). The file itself is located in the same folder as the script file trying … Read more
How to draw a line with matplotlib?
As of matplotlib 3.3, you can do this with plt.axline((x1, y1), (x2, y2)).