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When use getOne and findOne methods Spring Data JPA
...e entity but the entity itself.
It means that if we invoke getOne() and then the Persistence context is closed, the entity may be never loaded and so the result is really unpredictable.
For example if the proxy object is serialized, you could get a null reference as serialized result or if a meth...
OpenShift rhc setup using multiple accounts
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But then how do you switch accounts? I can't find anything in the rhc help that indicates how to login once logged-out
– Joao
Jun 23 '16 at 16:30
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Why use strict and warnings?
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Why is it made optional then if it has so many benefits ? Why not enable it by default (like someone commented above) ? Is it for compatibility reasons ?
– Jean
Sep 26 '13 at 16:11
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How do I view events fired on an element in Chrome DevTools?
...or go to Elements tab in Chrome Developer Tools and select wanted element) then go to Console tab and write:
monitorEvents($0)
Now when you move mouse over this element, focus or click it, the name of the fired event will be displayed with its data.
To stop getting this data just write this to c...
How can I remove an SSH key?
...d keys' (you can seach for ssh to find it) . Choose which eg OpenSS keys, then right click on the key and choose delete. You may need to restart your system to see it that it's removed.
– user3257693
Nov 21 '16 at 13:45
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What exactly are DLL files, and how do they work?
... by the executable loader.
One a final note, if you don't link to the DLL then no stubs will be inserted by the linker, but Windows still provides the GetProcAddress API that allows you to load an execute the DLL function entry point long after the executable has started.
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std::unique_ptr with an incomplete type won't compile
...ete declaration of foo::impl for this.
If you have template constructors, then you're screwed, even if you don't construct the impl_ member:
template <typename T>
foo::foo(T bar)
{
// Here the compiler needs to know how to
// destroy impl_ in case an exception is
// thrown !
}
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Why are function pointers and data pointers incompatible in C/C++?
...ng the data types the same size and guaranteeing that assigning to one and then back will result in the same value. They do this with void*, which is the only pointer type compatible with everything.
– Edward Strange
Sep 10 '12 at 20:28
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How to create a WPF Window without a border that can be resized via a grip only?
If you set ResizeMode="CanResizeWithGrip" on a WPF Window then a resize grip is shown in the lower right corner, as below:
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Placeholder in UITextView
... and over. You probably want to subclass UITextView to fit your needs and then use that.
– ghostatron
Jan 24 '13 at 2:14
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