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How to solve the “failed to lazily initialize a collection of role” Hibernate exception
... also make this work,
it is better to add this snippet of code to your web.xml :
<filter>
<filter-name>SpringOpenEntityManagerInViewFilter</filter-name>
<filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
</filter&g...
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
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The Pythonic way of summing an array is using sum. For other purposes, you can sometimes use some combination of reduce (from the functools module) and the operator module, e.g.:
def product(xs):
return reduce(operator.mul, ...
Python group by
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I'm working on a MapReduce program in python, just wondering is there any way to group by values in a list without dealing with dictionaries or external library such as pandas? If not, then how can I get rid of items and type in my result?
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R cannot be resolved - Android error
...t been generated, or even disappeared, this was due to some problem in the XML layout file that prevented the application from being built.
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What is the most pythonic way to check if an object is a number?
Given an arbitrary python object, what's the best way to determine whether it is a number? Here is is defined as acts like a number in certain circumstances .
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Using python “with” statement with try-except block
Is this the right way to use the python "with" statement in combination with a try-except block?:
4 Answers
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Any gotchas using unicode_literals in Python 2.6?
We've already gotten our code base running under Python 2.6. In order to prepare for Python 3.0, we've started adding:
6 A...
How to make RatingBar to show five stars
...the number of stars in my Activity ( myBar.setNumStars(5) ) that loads the xml but there was no success with that option either.
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How to remove specific element from an array using python
...lete a particular string/element from the array then
>>> arr1 = ['python3.6' , 'python2' ,'python3']
>>> arr1.remove('python2')
>>> arr1
['python3.6','python3']
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How to get the size of a string in Python?
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sys.getsizeof returns the number of bytes the Python object occupies in memory. That isn't going to be useful for writing to a file in any circumstances.
– Duncan
Feb 11 '11 at 10:23
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