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From an array of objects, extract value of a property as array
... comments that were made on the originally accepted answer nearly a year before this answer was posted.
– Alnitak
Feb 10 '18 at 19:55
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How to find list of possible words from a letter matrix [Boggle Solver]
...pile('[' + alphabet + ']{3,}$', re.I).match
words = set(word.rstrip('\n') for word in open('words') if bogglable(word))
prefixes = set(word[:i] for word in words
for i in range(2, len(word)+1))
def solve():
for y, row in enumerate(grid):
for x, letter in enumerate(row):
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How do you detect where two line segments intersect? [closed]
...q + s. Then any point on the first line is representable as p + t r (for a scalar parameter t) and any point on the second line as q + u s (for a scalar parameter u).
The two lines intersect if we can find t and u such that:
p + t r = q + u s
Cross both sides with s, getting
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Creating Threads in python
...ding import Thread
from time import sleep
def threaded_function(arg):
for i in range(arg):
print("running")
sleep(1)
if __name__ == "__main__":
thread = Thread(target = threaded_function, args = (10, ))
thread.start()
thread.join()
print("thread finished...exit...
How to request Administrator access inside a batch file
I am trying to write a batch file for my users to run from their Vista machines with UAC. The file is re-writing their hosts file, so it needs to be run with Administrator permissions. I need to be able to send them an email with a link to the .bat file. The desired behavior is that when they rig...
Checking if a string can be converted to float in Python
...nverts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
16 Answers
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Python __str__ and lists
...l automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
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Get class that defined method
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import inspect
def get_class_that_defined_method(meth):
for cls in inspect.getmro(meth.im_class):
if meth.__name__ in cls.__dict__:
return cls
return None
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Should a return statement be inside or outside a lock?
...the (highly subjective) law of local coding style... I prefer ReturnInside for simplicity, but I wouldn't get excited about either.
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Use logging print the output of pprint
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Use pprint.pformat to get a string, and then send it to your logging framework.
from pprint import pformat
ds = [{'hello': 'there'}]
logging.debug(pformat(ds))
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