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Union of dict objects in Python [duplicate]
How do you calculate the union of two dict objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)?
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Accessing Object Memory Address
When you call the object.__repr__() method in Python you get something like this back:
9 Answers
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What is memoization and how can I use it in Python?
I just started Python and I've got no idea what memoization is and how to use it. Also, may I have a simplified example?
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Python __str__ and lists
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Calling string on a python list calls the __repr__ method on each element inside. For some items, __str__ and __repr__ are the same. If you want that behavior, do:
def __str__(self):
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def __repr__(self):
return self.__str__()
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Python: How would you save a simple settings/config file?
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Configuration files in python
There are several ways to do this depending on the file format required.
ConfigParser [.ini format]
I would use the standard configparser approach unless there were compelling reasons to use a different format.
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Python unittests in Jenkins?
How do you get Jenkins to execute python unittest cases?
Is it possible to JUnit style XML output from the builtin unittest package?
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How do I specify new lines on Python, when writing on files?
...ge. (It's actually called linesep.)
Note: when writing to files using the Python API, do not use the os.linesep. Just use \n; Python automatically translates that to the proper newline character for your platform.
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Difference between exit(0) and exit(1) in Python
What's the difference between exit(0) and exit(1) in Python?
5 Answers
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What is the Python equivalent of static variables inside a function?
What is the idiomatic Python equivalent of this C/C++ code?
26 Answers
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Initializing a list to a known number of elements in Python [duplicate]
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This way of initializing a Python array is evil: a=[[]]*2; a[0].append('foo'); now inspect a[1], and you will be shocked. In contrast a=[[] for k in range(2)] works fine.
– Joachim W
Aug 12 '13 at 21:40
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