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JPA CascadeType.ALL does not delete orphans
... all child elements
delete main row
close session
With JPA 2.0, you can now use the option orphanRemoval = true
@OneToMany(mappedBy="foo", orphanRemoval=true)
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Using gradle to find dependency tree
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just a note: compile has been deprecated, people should now move to implementation
– reinaldomoreira
Jun 14 '17 at 14:44
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How do I convert a string to a double in Python?
I would like to know how to convert a string containing digits to a double.
3 Answers
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How do I set/unset a cookie with jQuery?
....removeCookie('foo') for deleting a cookie, using $.cookie('foo', null) is now deprecated"
– bogdan
Jan 7 '13 at 3:57
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Is there a difference between using a dict literal and a dict constructor?
...essage if the number of keys exceeds 256.
I prefer using the dict literal now.
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Easiest way to convert int to string in C++
... @Steve: it's supposed to be. It's a member of std in every compiler I know of except for one.
– Mooing Duck
May 31 '13 at 21:34
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Using :after to clear floating elements
...ports just the (:) syntax, but IE 8 only supports the single-colon, so for now, it's recommended to just use the single-colon for best browser support. :: is the newer format indented to distinguish pseudo content from pseudo selectors. If you don't need IE 8 support, feel free to use the double-co...
How to start an Intent by passing some parameters to it?
...e"
If your parameters are ints you would use getIntExtra() instead etc.
Now you can use your parameters like you normally would.
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How to get names of classes inside a jar file?
...tName().endsWith(".class")) {
// This ZipEntry represents a class. Now, what class does it represent?
String className = entry.getName().replace('/', '.'); // including ".class"
classNames.add(className.substring(0, className.length() - ".class".length()));
}
}
Option (...
Get visible items in RecyclerView
I need to know which elements are currently displayed in my RecyclerView. There is no equivalent to the OnScrollListener.onScroll(...) method on ListViews. I tried to work with View.getGlobalVisibleRect(...) , but that hack is too ugly and does not always work too.
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