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jQuery If DIV Doesn't Have Class “x”
...http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.min.js"></script>
<title>Sandbox</title>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<style type="te...
Uploading both data and files in one form using Ajax?
...var form = $("#Form");
// you can't pass Jquery form it has to be javascript form object
var formData = new FormData(form[0]);
//if you only need to upload files then
//Grab the File upload control and append each file manually to FormData
//var files = form.find("#fileupload"...
preventDefault() on an tag
...
Set the href attribute as href="javascript:;"
<ul class="product-info">
<li>
<a href="javascript:;">YOU CLICK THIS TO SHOW/HIDE</a>
<div class="toggle">
<p>CONTENT TO SHOW/HIDE</p>
</div>
</li&g...
iFrame src change event detection?
...in the following example:
<iframe src="http://www.google.com/" onLoad="alert('Test');"></iframe>
The alert will pop-up whenever the location within the iframe changes. It works in all modern browsers, but may not work in some very older browsers like IE5 and early Opera. (Source)
If ...
WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...tureWorks sample database for SQL Server 2008, and I see in their creation scripts that they tend to use the following:
7 A...
Is there a “null coalescing” operator in JavaScript?
...he assignment will use the second operand. Beware of all the cases below:
alert(Boolean(null)); // false
alert(Boolean(undefined)); // false
alert(Boolean(0)); // false
alert(Boolean("")); // false
alert(Boolean("false")); // true -- gotcha! :)
This means:
var whatIWant = null || new ShinyObject...
What is the instanceof operator in JavaScript?
... @Siku-Siku.Com - I don't see any trick to it var zero = 0; alert(zero); zero = "0"; alert(zero) we went from a primitive int to a primitive string without any issues.
– JonH
Oct 18 '12 at 18:05
...
How can I add a third button to an Android Alert Dialog?
The API says that the Alert Dialog can have one, two or three buttons, but the SDK only allows for a positive and negative button. How then can I add a third button?
...
Jquery mouseenter() vs mouseover()
... 20px;
height: 25px;
width: 25px;
background-color: #aaa;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<div>MouseEnter: <span id="mouseenter">0</span></div>
<div>MouseOver: <span id="mouseover"&...
What is Gradle in Android Studio?
...res folder).
Now, in order to automate all these tasks, there has to be a script; you can write your own build system using shell scripting in linux or batch files syntax in windows. Got it?
Gradle is another build system that takes the best features from other build systems and combines them into...