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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent

... Check all of the places where you are assigning something to sonEntities. The link you referenced distinctly points out creating a new HashSet but you can have this error anytime you reassign the set. For example: public void se...
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o

... Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it. ...
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]

... than a list. See the documentation here. You therefore need to wrap your call to dict.values() in a call to list like so: v = list(d.values()) {names[i]:v[i] for i in range(len(names))} share | i...
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What are sessions? How do they work?

... @user137717 yes that is a possibility if you allow access to the session to literally "every one that presents the correct session id". There are a number of restrictions you can put in place, one of the easiest and most common is to store the client IP in the session: ...
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AWS: How to disable all services?

...g support plans. It has nothing to do with canceling services which AWS really don't want you to cancel. – Karlth May 5 '16 at 14:41 ...
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400 vs 422 response to POST of data

...h a "REST-like" API that I'm working on. Let's say I have a end point that allows POST'ing purchases in JSON format. It looks like this: ...
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Adjusting and image Size to fit a div (bootstrap)

.... Unfortunately, the image isn't conforming to it and is instead proportionally shrinking to a size that isn't big enough. I'm not sure what the best way is to go about getting the image to fit inside it is. ...
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How to list all the files in a commit?

...ooking for a simple git command that provides a nicely formatted list of all files that were part of the commit given by a hash (SHA1), with no extraneous information. ...
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How to force a line break in a long word in a DIV?

Okay, this is really confusing me. I have some content inside of a div like so: 16 Answers ...
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Namespace + functions versus static methods on a class

...e, a set of related functions. Let's say they're math-related. Organizationally, should I: 7 Answers ...