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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
...setters in both sides of the bidirectional relationship. An example setter for the One side is in this link.
An example setter for the Many side is in this link.
After you correct your setters you want to declare the Entity access type to be "Property". Best practice to declare "Property" access t...
What is meaning of boolean value returned from an event-handling method in Android
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This should be the answer ! Thank you for such a detailed explanation
– Mysterious_android
Aug 14 '19 at 1:22
add a comment
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How do you delete an ActiveRecord object?
...l(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent association options.
User.delete_all(condition: 'value') will allow you to delete records
without a primary key
Note: from @hammady's comment, user.d...
jQuery changing style of HTML element
... multiple css changes at once, that's when you would add the curly braces (for object notation), and it would look something like this (if you wanted to change, say, 'background-color' and 'position' in addition to 'display'):
$('#navigation ul li').css({'display': 'inline-block', 'background-color...
Retrieve only the queried element in an object array in MongoDB collection
... Thanks, I wasn't aware of that limitation so that's good to know. Sorry for deleting my comment you're responding to, I decided to post another answer instead and didn't want to confuse people.
– JohnnyHK
Sep 3 '12 at 4:35
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Javascript checkbox onChange
I have a checkbox in a form and I'd like it to work according to following scenario:
10 Answers
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How to sort an array of objects with jquery or javascript [duplicate]
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Just what i was looking for, thanks!
– vrunoa
Aug 2 '12 at 19:28
5
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jQuery duplicate DIV into another DIV
...tp://jsfiddle.net/3rXjx/
From the jQuery docs:
The .clone() method performs a deep copy of the set of matched
elements, meaning that it copies the matched elements as well as all
of their descendant elements and text nodes. When used in conjunction
with one of the insertion methods, .clon...
File Upload ASP.NET MVC 3.0
...ow to achieve this in ASP.NET MVC.
So you would start by creating an HTML form which would contain a file input:
@using (Html.BeginForm("Index", "Home", FormMethod.Post, new { enctype = "multipart/form-data" }))
{
<input type="file" name="file" />
<input type="submit" value="OK" /...
jQuery Set Cursor Position in Text Area
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@mareoraft: Works on textarea (and input) for me on Chrome, Firefox, IE8, and IE11.
– T.J. Crowder
Jan 3 '16 at 13:49
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