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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
...
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...
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...
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 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).
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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++) ...
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...
How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?
...know there's a relationship in there:
public class Order
{
public int ID { get; set; }
// Some other properties
// Foreign key to customer
public virtual Customer Customer { get; set; }
}
You can always set the FK relation explicitly:
public class Order
{
public int ID { ge...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
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does it pass w3c validation, or should it be multiple="multiple"?
– vol7ron
Jun 4 '12 at 18:59
10
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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
...
Infinite Recursion with Jackson JSON and Hibernate JPA issue
...s for perfect answer. Btw, I came with another solution: you can simply avoid creating getter for this value, so Spring won't be able to access it while creating JSON (but I don't think that it suits every case, so your answer is better)
– Semyon Danilov
Feb 28...