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django admin - add custom form fields that are not part of the model
...ite. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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Java 8 Streams: multiple filters vs. complex condition
...here is no simple answer.
The bottom line is, don’t think about such performance differences below the odor detection threshold. Use what is more readable.
¹…and would require an implementation doing parallel processing of subsequent stages, a road currently not taken by the standard Stream...
Add primary key to existing table
...robably non-clustered is a good option in the case of composite PKs for performance on insertion date basis if that is important for you.
– Shiv
Feb 10 '17 at 5:23
add a comme...
How to capture the browser window close event?
... page for any reason.
For example, it will be fired if the user submits a form, clicks a link, closes the window (or tab), or goes to a new page using the address bar, search box, or a bookmark.
You could exclude form submissions and hyperlinks (except from other frames) with the following code:
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CSS “and” and “or”
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Ok, thanks for light. I hate styling forms, but it's my task, and site isn't mine. I'll apply classes to inputs.
– Misiur
May 9 '10 at 9:02
5
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Use ASP.NET MVC validation with jquery ajax?
...; Model.EditPostViewModel.Title)
NOTE: These need to be defined within a form element
Then you would need to include the following libraries:
<script src='@Url.Content("~/Scripts/jquery.validate.js")' type='text/javascript'></script>
<script src='@Url.Content("~/Scripts/jquery.val...
How can I clear an HTML file input with JavaScript?
I want to clear the file input in my form.
18 Answers
18
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What's the “big idea” behind compojure routes?
... a look at how a Ring-style app functions:
A request arrives and is transformed into a Clojure map in accordance with the Ring spec.
This map is funnelled into a so-called "handler function", which is expected to produce a response (which is also a Clojure map).
The response map is transformed int...
AngularJS: how to implement a simple file upload with multipart form?
I want to do a simple multipart form post from AngularJS to a node.js server,
the form should contain a JSON object in one part and an image in the other part,
(I'm currently posting only the JSON object with $resource)
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How to retrieve form values from HTTPPOST, dictionary or?
...u could have your controller action take an object which would reflect the form input names and the default model binder will automatically create this object for you:
[HttpPost]
public ActionResult SubmitAction(SomeModel model)
{
var value1 = model.SimpleProp1;
var value2 = model.SimplePro...