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Internal Error 500 Apache, but nothing in the logs?
...pt but didnt give it execute permissions? or perhaps it was corrupted in a linux environment if you write the script in windows and then upload it to the server without the line endings being converted you will get this error.
in perl if you forget
print "content-type: text/html\r\n\r\n";
you w...
What is the Difference Between read() and recv() , and Between send() and write()?
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Another thing on linux is:
send does not allow to operate on non-socket fd. Thus, for example to write on usb port, write is necessary.
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append multiple values for one key in a dictionary [duplicate]
I am new to python and I have a list of years and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key.
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python numpy ValueError: operands could not be broadcast together with shapes
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You are looking for np.matmul(X, y). In Python 3.5+ you can use X @ y.
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What is a stream?
...avoid unneeded complexity and will use the concept of a file relative to a linux operating system because of its simplicity and accessibility.
What is a file?
A file is an abstraction :)
Or, as simply as I can explain, a file is one part data structure describing the file and one part data which ...
Why return NotImplemented instead of raising NotImplementedError
Python has a singleton called NotImplemented .
4 Answers
4
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What is the syntax to insert one list into another list in python?
..., 2, 3, [4, 5, 6]]
foo.extend(bar) --> [1, 2, 3, 4, 5, 6]
http://docs.python.org/tutorial/datastructures.html
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Is nested function a good approach when required by only one function? [closed]
...defined or used.
Update:
Here's proof that nesting them is slower (using Python 3.6.1), although admittedly not by much in this trivial case:
setup = """
class Test(object):
def separate(self, arg):
some_data = self._method_b(arg)
def _method_b(self, arg):
return arg+1
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re
... gives two pieces. Making two cuts, gives three pieces.
And so it is with Python's str.split(delimiter) method:
>>> ''.split(',') # No cuts
['']
>>> ','.split(',') # One cut
['', '']
>>> ',,'.split(',') # Two cuts
['', '', '']
Question: And is there ...
Pass a parameter to a fixture function
I am using py.test to test some DLL code wrapped in a python class MyTester.
For validating purpose I need to log some test data during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
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