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Why does ASP.NET webforms need the Runat=“Server” attribute?
...otential issue of namespace collisions among tags and future enhancements. By requiring the <runat="server"> attribute, this is negated.
It continues:
If <runat=client> was required for all client-side tags, the parser would need to parse all tags and strip out the <runat=client...
Get index of selected option with jQuery
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I have a slightly different solution based on the answer by user167517. In my function I'm using a variable for the id of the select box I'm targeting.
var vOptionSelect = "#productcodeSelect1";
The index is returned with:
$(vOptionSelect).find(":selected").index();
...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
...E (and probably Opera Mini, which I haven't tested) it is noticeably faded by the opacity property, which still looks pretty good, although it's not grey.
Here's an example with four different CSS classes for the Twemoji bell icon: original (yellow), the above "disabled" class, hue-rotate (green), ...
What do helper and helper_method do?
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#application_controller.rb
def current_user
@current_user ||= User.find_by_id!(session[:user_id])
end
helper_method :current_user
the helper method on the other hand, is for importing an entire helper to the views provided by the controller (and it's inherited controllers). What this means is d...
Freely convert between List and IEnumerable
...<T> variable.
If you don't see the LINQ extension methods like OrderBy() I'm guessing it's because you don't have a using System.Linq directive in your source file.
You do need to convert the LINQ expression result back to a List<T> explicitly, though:
List<Customer> list = ...
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On select change, get data attribute value
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You need to find the selected option:
$(this).find(':selected').data('id')
or
$(this).find(':selected').attr('data-id')
although the first method is preferred.
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Android notification doesn't disappear after clicking the notifcation
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While building Notification by NotificationBuilder you can use notificationBuilder.setAutoCancel(true);.
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MongoDB/NoSQL: Keeping Document Change History
...ch change
I came across the Versioning module of the Mongoid driver for Ruby. I haven't used it myself, but from what I could find, it adds a version number to each document. Older versions are embedded in the document itself. The major drawback is that the entire document is duplicated on each cha...
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Retrieve only the queried element in an object array in MongoDB collection
...JohnnyHK: In this case, $elemMatch is another option. I actually got here by way of a Google Group question where $elemMatch wouldn't work because it only returns the first match per document.
– Stennie
Sep 3 '12 at 4:24
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