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Dropping Unique constraint from MySQL table
...g constraint
ALTER TABLE tab DROP CONSTRAINT unq_tab_id;
db<>fiddle demo
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How to count duplicate value in an array in javascript
...rent + ' comes --> ' + cnt + ' times');
}
}
count();
Demo Fiddle
You can use higher-order functions too to do the operation. See this answer
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convert a JavaScript string variable to decimal/money
... if(!str || isNaN(n) || n < 0) return 0;
return n.toFixed(2);
}
Demo is here
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Using HTML and Local Images Within UIWebView
...ng the following:
// make sure you have the image name and extension (for demo purposes, I'm using "myImage" and "png" for the file "myImage.png", which may or may not be localized)
NSString *imageFileName = @"myImage";
NSString *imageFileExtension = @"png";
// load the path of the image in the ma...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...我们可以看出KnownType到底能够做什么。
namespace WcfServiceDemo
{
[DataContract]
public class Address
{
public Address()
{
......
}
[DataMember]
public string AddressCategory { get; set; }
[DataM...
How to unbind a listener that is calling event.preventDefault() (using jQuery)?
...ink clicking and the default behavior would be restored.
I have created a demo JS fiddle to demonstrate how this works:
Here is the code of the JS fiddle:
HTML:
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
<a href="http://jquery.com">Default click action is ...
CSS endless rotation animation
...es rotate{
to{ transform: rotate(360deg); }
}
/* SPINNER JUST FOR DEMO */
.spinner{
display:inline-block; width: 50px; height: 50px;
border-radius: 50%;
box-shadow: inset -2px 0 0 2px #0bf;
}
<span class="spinner rotate"></span>
MDN - Web CSS Animation
...
What does the property “Nonatomic” mean?
...
After reading so many Articles and StackOverflow posts, and having made demo apps to check Variable property attributes, I decided to put all the attributes information together
atomic //default
nonatomic
strong=retain //default
weak= unsafe_unretained
retain
assign //de...
How can I print variable and string on same line in Python?
...;20f}".format(1,2,1.1)
1 002 1.100000
^^^
0's padded to 2
Demo:
>>> births = 4
>>> print "If there was a birth every 7 seconds, there would be: ",births,"births"
If there was a birth every 7 seconds, there would be: 4 births
#formatting
>>> print "If the...
Turn off textarea resizing
...*/
textarea { resize:vertical; } /* none|horizontal|vertical|both */
See Demo
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