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Separation of business logic and data access in django
...an find the business logic and entities as perceived by your end user, the former is where you actually store your data.
Furthermore, I've interpreted the 3rd part of your question as: how to notice failure to keep these models separate.
These are two very different concepts and it's always hard to ...
How to use Servlets and Ajax?
...ing List<String> as JSON
With JSON instead of plaintext as response format you can even get some steps further. It allows for more dynamics. First, you'd like to have a tool to convert between Java objects and JSON strings. There are plenty of them as well (see the bottom of this page for an ...
Disable Required validation attribute under certain circumstances
... certain controller actions. I am wondering this because on one of my edit forms I do not require the user to enter values for fields that they have already specified previously. However I then implement logic that when they enter a value it uses some special logic to update the model, such as hashi...
How to make a button redirect to another page using jQuery or just Javascript
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Without script:
<form action="where-you-want-to-go"><input type="submit"></form>
Better yet, since you are just going somewhere, present the user with the standard interface for "just going somewhere":
<a href="where-you-...
RESTful call in Java
...about “resources”, “representations”, “state transfers”, “uniform interfaces”, “hypermedia”, or any other constraints or aspects of the REST architecture style identified by Fielding. The abstractions provided by various REST frameworks are therefore confusing and unhelpful.
So:...
How can I know which radio button is selected via jQuery?
...
To get the value of the selected radioName item of a form with id myForm:
$('input[name=radioName]:checked', '#myForm').val()
Here's an example:
$('#myForm input').on('change', function() {
alert($('input[name=radioName]:checked', '#myForm').val());
});
<scrip...
Using the HTML5 “required” attribute for a group of checkboxes?
...ing the newer browsers that support HTML5 (FireFox 4 for example);
and a form field has the attribute required='required' ;
and the form field is empty/blank;
and the submit button is clicked;
the browsers detects that the "required" field is empty and does not submit the form; instead br...
Read Post Data submitted to ASP.Net Form
I have a working login form in an asp.net application. Standard stuff with a username and password text box and a button to process the login. Works fine.
...
Set value of hidden field in a form using jQuery's “.val()” doesn't work
I've been trying to set the value of a hidden field in a form using jQuery, but without success.
16 Answers
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How to change the Content of a with Javascript
...given, the classical (read non-DOM) approach would be like this:
document.forms['yourform']['yourtextarea'].value = 'yourvalue';
where in the HTML your textarea is nested somewhere in a form like this:
<form name="yourform">
<textarea name="yourtextarea" rows="10" cols="60"></...