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What are the downsides to using Dependency Injection? [closed]
... answered Mar 9 '10 at 8:34
Håvard SHåvard S
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How to check if type of a variable is string?
Is there a way to check if the type of a variable in python is a string , like:
20 Answers
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Forced naming of parameters in Python
In Python you may have a function definition:
11 Answers
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python .replace() regex [duplicate]
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No. Regular expressions in Python are handled by the re module.
article = re.sub(r'(?is)</html>.+', '</html>', article)
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Python argparse command line flags without arguments
...p a switch by setting a variable True or False, have a look at http://docs.python.org/dev/library/argparse.html#action (specifically store_true and store_false)
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-w', action='store_true')
where action='store_true' implies def...
How to create a tuple with only one element
... make them tuples. You have to add a comma after the string to indicate to python that it should be a tuple.
>>> type( ('a') )
<type 'str'>
>>> type( ('a',) )
<type 'tuple'>
To fix your example code, add commas here:
>>> a = [('a',), ('b',), ('c', 'd')]
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When should I create a destructor?
...ed Feb 4 '11 at 13:58
Øyvind BråthenØyvind Bråthen
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SQLAlchemy: print the actual query
... normally is not tasked with this, as this is handled appropriately by the Python DBAPI, not to mention bypassing bound parameters is probably the most widely exploited security holes in modern web applications. SQLAlchemy has limited ability to do this stringification in certain circumstances suc...
How to join absolute and relative urls?
...lparse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
With Python 3 (where urlparse is renamed to urllib.parse) you could use it as follow:
>>> import urllib.parse
>>> urllib.parse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
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Is there a “not equal” operator in Python?
...ioned in the comments was an April Fool joke. <> is not supported in Python3 now.
– J...S
Jun 26 '19 at 9:32
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