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An item with the same key has already been added
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Most likely, you have model which contains the same property twice. Perhaps you are using new to hide the base property.
Solution is to override the property or use another name.
If you share your model, we would be able to elabor...
How to format a phone number with jQuery
I'm currently displaying phone numbers like 2124771000 . However, I need the number to be formatted in a more human-readable form, for example: 212-477-1000 . Here's my current HTML :
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jQuery set radio button
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Your selector looks for the descendant of a input:radio[name=cols] element that has the id of newcol (well the value of that variable).
Try this instead (since you're selecting by ID anyway):
$('#' + newcol).prop('checked',true);
Here is ...
Declaring array of objects
...rray to act as an object by default. To achieve this, I can do something like this in my code.
15 Answers
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What does !! mean in ruby?
...are nil and false, so it's usually best to let that convention stand.
Think of it as
!(!some_val)
One thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't want to return 3MB of image data in your has_image? method, or you ...
How do I loop through a list by twos? [duplicate]
...loop through a Python list and process 2 list items at a time. Something like this in another language:
7 Answers
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What does “DAMP not DRY” mean when talking about unit tests?
... change to the code. DRY increases maintainability by isolating change (risk) to only those parts of the system that must change.
So, why is duplication more acceptable in tests?
Tests often contain inherent duplication because they are testing the same thing over and over again, only with slightl...
How to count the frequency of the elements in an unordered list?
...sort the list before using groupby.
You can use groupby from itertools package if the list is an ordered list.
a = [1,1,1,1,2,2,2,2,3,3,4,5,5]
from itertools import groupby
[len(list(group)) for key, group in groupby(a)]
Output:
[4, 4, 2, 1, 2]
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How do I get an element to scroll into view, using jQuery?
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Since you want to know how it works, I'll explain it step-by-step.
First you want to bind a function as the image's click handler:
$('#someImage').click(function () {
// Code to do scrolling happens here
});
That will apply the click h...
Convert an NSURL to an NSString
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