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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
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This is a typical bidirectional consistency problem. It is well discussed in this link as well as this link.
As per the articles in the previous 2 links you need to fix your setters in both sides of the bidirectional relationship. An example s...
How do I pass multiple attributes into an Angular.js attribute directive?
... scope.callback(); // calls exampleCallback()
}
};
});
fiddle
If the value of attribute example-number will be hard-coded, I suggest using $eval once, and storing the value. Variable num will have the correct type (a number).
...
jQuery get values of checked checkboxes into array
..._button").click(function(event){
event.preventDefault();
var searchIDs = $("#find-table input:checkbox:checked").map(function(){
return $(this).val();
}).get(); // <----
console.log(searchIDs);
});
Per the documentation:
As the return value is a jQuery object, which co...
Add icon to submit button in twitter bootstrap 2
...s with caution, especially with forms.
– Matenia Rossides
Mar 3 '12 at 7:22
10
I have tested this...
How to remove constraints from my MySQL table?
...I got to solve with this code:
ALTER TABLE `table_name` DROP FOREIGN KEY `id_name_fk`;
ALTER TABLE `table_name` DROP INDEX `id_name_fk`;
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foll...
Migrating from JSF 1.2 to JSF 2.0
...n.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="YourWebappID"
version="2.5">
Note: when you're using Servlet 3.0 or newer, use the http://xmlns.jcp.org namespace domain instead of http://java.sun.com throughout the above XML snippet.
JSP 2.x to JSP 2.x
If...
How do I iterate through table rows and cells in JavaScript?
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If you want to go through each row(<tr>), knowing/identifying the row(<tr>), and iterate through each column(<td>) of each row(<tr>), then this is the way to go.
var table = document.getElementById("mytab1");
for (var i = 0, row; row = table.rows[i]; i++) ...
Should IBOutlets be strong or weak under ARC?
...ple is for IBOutlets to be strong unless weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 where an Apple Engineer said:
And the last option I want to point out is t...
jQuery get textarea text
...u want to convert key strokes to text? Add a button that sends the text inside the textarea to the server when clicked. You can get the text using the value attribute as the poster before has pointed out, or using jQuery's API:
$('input#mybutton').click(function() {
var text = $('textarea#mytex...
Get the current user, within an ApiController action, without passing the userID as a parameter
...within an secure ApiController action, without passing the userName or userId as a parameter?
8 Answers
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