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Whether a variable is undefined [duplicate]
...d' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do:
if(page_name != '')
For other variables that don't come from something like jQuery.val() you would do this though:
if(typeof page_name != 'undefi...
How to convert JSON to XML or XML to JSON?
...deConverter class in JSON.NET 3.5: james.newtonking.com/projects/json/help/html/…
– David Brown
May 2 '09 at 20:01
3
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How do I put hint in a asp:textbox
...pears when the user clicks on it. Is there a way to achieve the same using html / css?
5 Answers
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What is event bubbling and capturing?
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Event bubbling and capturing are two ways of event propagation in the HTML DOM API, when an event occurs in an element inside another element, and both elements have registered a handle for that event. The event propagation mode determines in which order the elements receive the event.
With bu...
AngularJS validation with no enclosing
...g-form angular directive (see docs here) to group anything, even outside a html form. Then, you can take advantage from angular FormController.
<div class="form-group" ng-form name="myForm">
<input name="myInput" type="text" class="form-control" ng-model="bindTo" ng-maxlength="5">
...
What is the difference between buffer and cache memory in Linux?
...07101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html
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How can I create a “Please Wait, Loading…” animation using jQuery?
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Something to note: if you cant modify the HTML to add the loading img element, you can do it as a background-image on the button using CSS e.g. input.loading-gif{background:url('images/loading.gif');} and then apply the class with jQuery e.g. $('#mybutton').addClass(...
angularjs directive call function specified in attribute and pass an argument to it
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Here's what worked for me.
Html using the directive
<tr orderitemdirective remove="vm.removeOrderItem(orderItem)" order-item="orderitem"></tr>
Html of the directive: orderitem.directive.html
<md-button type="submit" ng-click="remove...
Why are functions and methods in PHP case-insensitive?
...e C library. I then wrote a very simple parser that would pick tags out of HTML files and replace them with the output of the corresponding functions in the C library.
The simple parser slowly grew to include conditional tags, then loop tags, functions, etc. At no point did I think I was writing a s...
how to add script src inside a View when using Layout
... view itself, while still retaining structure. e.g.
_Layout
<!DOCTYPE html>
<html>
<head>
<title>...</title>
<script src="@Url.Content("~/Scripts/jquery.min.js")"></script>
@RenderSection("Scripts",false/*required*/)
</head>
<bod...