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Export database schema into SQL file
..._id
WHERE fkc.constraint_object_id = fk.object_id FOR XML PATH('''') )), 2, 8000)) ParentColumns,
REVERSE(SUBSTRING(REVERSE(( SELECT cr.name + '',''
FROM sys.foreign_key_columns fkc
JOIN sys.columns cr ON fkc.referenc...
Compare if two variables reference the same object in python
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@Bill: That is an artefact of how python handles ints. Python allocates integer objects to which x and z point. Since small integers are failry common (-1 as an error value, 0 any time you actually index something, small numbers are usually reasonable default...
Difference between Python's Generators and Iterators
...ore general concept: any object whose class has a __next__ method (next in Python 2) and an __iter__ method that does return self.
Every generator is an iterator, but not vice versa. A generator is built by calling a function that has one or more yield expressions (yield statements, in Python 2.5 a...
How to get a random value from dictionary in python
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That will work in Python 2.x where d.keys() is a list, but it won't work in Python 3.x where d.keys() is an iterator. You should do random.choice(list(d.keys())) instead.
– Duncan
Feb 1 '11 at 9:42
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java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
... - I was confused to see even after adding the proper dependency in my pom.xml didn't solved the error until I followed as above..
– srinivas
Mar 10 '16 at 6:37
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error: Unable to find vcvarsall.bat
I tried to install the Python package dulwich :
42 Answers
42
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Should all Python classes extend object?
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In Python 2, not inheriting from object will create an old-style class, which, amongst other effects, causes type to give different results:
>>> class Foo: pass
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>>> type(Foo())
<type 'instance'>
v...
error: command 'gcc' failed with exit status 1 while installing eventlet
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Your install is failing because you don't have the python development headers installed. You can do this through apt on ubuntu/debian with:
sudo apt-get install python-dev
for python3 use:
sudo apt-get install python3-dev
For eventlet you might also need the libevent l...
Maven does not find JUnit tests to run
... and setting the scope to test (<scope>test<scope>) in the pom.xml file did it for me.
– dinesharjani
May 22 '17 at 18:28
1
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python design patterns [closed]
...examples of Best Practices, Design patterns and the SOLID principles using Python.
6 Answers
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