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How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
...epository that return a initialized entity as R.J suggested.
More work, best performance.
Use OpenEntityManagerInViewFilter to keep session open for the entire request.
Less work, usually acceptable in web enviroments.
Use a helper class to initialize entities when required.
Less work, us...
Make the current commit the only (initial) commit in a Git repository?
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Best approach! Clear, and do the work. Additionally, i rename the branch with a lot of changes from "master" to "local-work" and "new_branch_name" to "master". In master, do following: git -m local-changes git branch ...
What is the Swift equivalent of respondsToSelector?
...t call delegate?.optionalMethod?()
Otherwise, using guard is probably the best approach:
weak var delegate: SomeDelegateWithOptionals?
func someMethod() {
guard let method = delegate?.optionalMethod else {
// optional not implemented
alternativeMethod()
return
}
...
SQL Server IN vs. EXISTS Performance
...uery with the outer query, and that can be solved in only one step (in the best case scenario).
Consider this:
If you use IN and the inner query result is millions of rows of distinct values, it will probably perform SLOWER than EXISTS given that the EXISTS query is performant (has the right inde...
How to crop an image in OpenCV using Python
...ry space occupied, I understand that copying the region of interest is the best thing to do, but what about time consuming ? If i do copy() the ROI, compared to slicing, what would be the result ?. Also, If I have a variable tmp in which I store each picture I load from my computer, the slicing shou...
spring boot default H2 jdbc connection (and H2 console)
... no one else has offered a solution then I am going to suggest this is the best way to do it.
In my case, I chose a specific name for the database so that I would have something to enter when starting the H2 console (in this case, "AZ"). I think all of these are required though it seems like leavin...
Git clone particular version of remote repository
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I like this answer the best. I think a git reset --hard should be avoided, in favour of a git checkout commit-hash. A git reset --hard removes part of the git history which sometimes isn't desirable.
– Jordan Stewart
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Convert a JSON String to a HashMap
...s I was using jackson library in my application beforehand, so this is the best answer to my problem. Thanks :)
– imans77
Apr 9 at 16:49
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How can I get the corresponding table header (th) from a table cell (td)?
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var $th = $("table thead tr th").eq($td.index())
It would be best to use an id to reference the table if there is more than one.
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Mockito - difference between doReturn() and when()
...ice Dutheil, who is currently acting lead developer of Mockito, and to the best of my memory, he agrees. I will ask him to post a comment here (no guarantee that he'll do so).
– Dawood ibn Kareem
Feb 13 '17 at 21:50
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