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How do you calculate the average of a set of circular data? [closed]
...ent, and also work well in the zero case, so kudos to him.
The subject is now explored in more detail on Wikipedia, and with other uses, like fractional parts.
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How can one use multi threading in PHP applications
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That's nice, I have not touched PHP for years and now it's got multithreading capabilities!
– cruizer
Mar 27 '14 at 8:33
1
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difference between variables inside and outside of __init__()
...e I could access both kind of variables through the self reference. It was now, when I ran into trouble, that I researched the topic and cleared it up.
The problem with accessing static class variables through the
self reference is that it only references the static class variable if there is no i...
How can we match a^n b^n with Java regex?
...ions.
Step 2: Capturing in a lookahead (and f r e e - s p a c i n g mode)
Now let's say that even though we don't want the b+ to be part of the match, we do want to capture it anyway into group 1. Also, as we anticipate having a more complicated pattern, let's use x modifier for free-spacing so we ...
Greenlet Vs. Threads
...lution with multiprocessing to achieve higher throughput? 2)I still don't know why ever use threads? Can we consider them as a naive and basic implementation of concurrency in python standard library?
– Rsh
Mar 24 '13 at 8:23
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How to parse/read a YAML file into a Python object? [duplicate]
...e_load instead load
dataMap = yaml.safe_load(f)
The variable dataMap now contains a dictionary with the tree data. If you print dataMap using PrettyPrint, you will get something like:
{'treeroot': {'branch1': {'branch1-1': {'name': 'Node 1-1'},
'name': 'Node 1'},
'branch2': {'branch2-...
Why is the order in dictionaries and sets arbitrary?
...gt;>> hash('bar') % 8
4
>>> hash('baz') % 8
4
Their order now depends on which key was slotted first; the second key will have to be moved to a next slot:
>>> {'baz': None, 'bar': None}
{'bar': None, 'baz': None}
>>> {'bar': None, 'baz': None}
{'baz': None, 'bar':...
Bundling data files with PyInstaller (--onefile)
...t set the env variable anymore, so Shish's excellent answer will not work. Now the path gets set as sys._MEIPASS:
def resource_path(relative_path):
""" Get absolute path to resource, works for dev and for PyInstaller """
try:
# PyInstaller creates a temp folder and stores path in _M...
Use numpy array in shared memory for multiprocessing
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p.start()
p.join()
# Print out the changed values
print "Now, the first two elements of arr = %s"%a[:2]
b = numpy.frombuffer(a.get_obj())
b[0] = 10.0
print a[0]
When run, this prints out the first element of a now being 10.0, showing a and b are just two views into ...
Using python's eval() vs. ast.literal_eval()?
...a situation with some code where eval() came up as a possible solution. Now I have never had
to use eval() before but, I have come across plenty of information about the potential
danger it can cause. That said, I'm very wary about using it.
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