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Spring DAO vs Spring ORM vs Spring JDBC
...to the proper DataAccessException subclass.
As an example, suppose you're now using Hibernate, and your service layer catches HibernateException in order to react to it. If you change to JPA, your DAOs interfaces should not change, and the service layer will still compile with blocks that catches H...
Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...ive-c term for the object that is receiving the message (methods are also known as messages) so in my example here the receiver is superview.
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How can I create a directly-executable cross-platform GUI app using Python?
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... which is why you should now very much consider using PySide which is LGPL. It's also more Pythonic than PyQt4's Python 2 API.
– Chris Morgan
Dec 7 '10 at 0:35
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How to split last commit into two in Git
...g
something else
something again
I modified it in my last commit so that now it looks like this:
1
something
something else
something again
2
Now I decide that I want to split it into two, and I want the insertion of the
first line to be in the first commit, and the insertion of the last line t...
The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'
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Hi, I know it was a bit time ago, but I have a question. Might such action have some security problems? Does it opens sp to be used for everyone?
– Valentyn Vynogradskiy
Aug 4 '14 at 10:39
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Use numpy array in shared memory for multiprocessing
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p.start()
p.join()
# Print out the changed values
print "Now, the first two elements of arr = %s"%a[:2]
b = numpy.frombuffer(a.get_obj())
b[0] = 10.0
print a[0]
When run, this prints out the first element of a now being 10.0, showing a and b are just two views into ...
What is your favorite C programming trick? [closed]
... "normals.txt"
};
(more or less, I don't have the code handy to check it now).
Since then, a new world of creative use of the preprocessor opened in front of my eyes. I no longer include just headers, but entire chunks of code now and then (it improves reusability a lot) :-p
Thanks John Carmack!...
Force CloudFront distribution/file update
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As of March 19, Amazon now allows Cloudfront's cache TTL to be 0 seconds, thus you (theoretically) should never see stale objects. So if you have your assets in S3, you could simply go to AWS Web Panel => S3 => Edit Properties => Metadata,...
Simplest way to serve static data from outside the application server in a Java web application
...n the response, you should set the Content-Type header so that the client knows which application to associate with the provided file. And, you should set the Content-Length header so that the client can calculate the download progress, otherwise it will be unknown. And, you should set the Content-D...
How does variable assignment work in JavaScript?
... example, you are assigning a brand new object.
a = b = {};
a and b are now pointers to the same object. So when you do:
a.foo = 'bar';
It sets b.foo as well since a and b point to the same object.
However!
If you do this instead:
a = 'bar';
you are saying that a points to a different ob...