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Tri-state Check box in HTML?
...ution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state cannot be set in the HTML mar...
Rspec doesn't see my model Class. uninitialized constant error
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answered Jul 7 '13 at 1:53
gmacdougallgmacdougall
4,77111 gold badge1313 silver badges2121 bronze badges
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Iterate an iterator by chunks (of n) in Python? [duplicate]
... to what you want:
def grouper(n, iterable, fillvalue=None):
"grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
args = [iter(iterable)] * n
return izip_longest(fillvalue=fillvalue, *args)
It will fill up the last chunk with a fill value, though.
A less general solution that only works o...
How to deal with “data of class uneval” error from ggplot2?
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3 Answers
3
Active
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Using sed to mass rename files
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answered Mar 3 '10 at 15:55
Edward AndersonEdward Anderson
11.6k44 gold badges4747 silver badges4747 bronze badges
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Get the first element of each tuple in a list in Python [duplicate]
... for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for x,_ in rows]
Below is a demonstration:
>>> lst = [(1, 2), (3, 4)...
Ignoring time zones altogether in Rails and PostgreSQL
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347
The data type timestamptz is the short name for timestamp with time zone.
The other option tim...
How can we make xkcd style graphs?
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edited May 17 '13 at 9:57
answered May 16 '13 at 20:49
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How to validate date with format “mm/dd/yyyy” in JavaScript?
... // Check the ranges of month and year
if(year < 1000 || year > 3000 || month == 0 || month > 12)
return false;
var monthLength = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
// Adjust for leap years
if(year % 400 == 0 || (year % 100 != 0 && year % ...
What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
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