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Iterate through options
I have a <select> element in HTML. This element represents a drop down list. I'm trying to understand how to iterate through the options in the <select> element via JQuery.
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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...
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 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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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...
Remove scroll bar track from ScrollView in Android
My Android app has a main WebView (HTML loaded from a local resource) which I want to use the entire width of the screen and be able to make (vertically) scrollable. So I've wrapped the WebView in a ScrollView in my layout XML, but no matter what I do I can't seem to be able to remove the scroll bar...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...这里有个基本上对照的中文解释，来自http://www.linux999.org/html_sql/3/132559.htm
所谓的段错误 就是指访问的内存超出了系统所给这个程序的内存空间，通常这个值是由gdtr来保存的，他是一个48位的寄存器，其中的32位是保存...