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What is “point free” style (in Functional Programming)?
...you specify the arguments explicitly):
sum (x:xs) = x + (sum xs)
sum [] = 0
Point-free (sum doesn't have any explicit arguments - it's just a fold with + starting with 0):
sum = foldr (+) 0
Or even simpler: Instead of g(x) = f(x), you could just write g = f.
So yes: It's closely related to c...
Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]
Fancybox breaks with the new jQuery v1.9.0.
4 Answers
4
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Counting the Number of keywords in a dictionary in python
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edited Feb 7 '10 at 5:11
answered Feb 6 '10 at 7:41
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PHP function to make slug (URL string)
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edited Jul 17 '18 at 20:04
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answered Ju...
How do I draw a shadow under a UIView?
...eeds to happen after
CGContextSetShadow(currentContext, CGSizeMake(-15, 20), 5);
but before
CGContextRestoreGState(currentContext);
So if you want the superclass's drawRect: to be 'wrapped' in a shadow, then how about if you rearrange your code like this?
- (void)drawRect:(CGRect)rect {
...
Regex to replace everything except numbers and a decimal point
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Use this:
document.getElementById(target).value = newVal.replace(/[^0-9.]/g, "");
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jQuery select all except first
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$("div.test:not(:first)").hide();
or:
$("div.test:not(:eq(0))").hide();
or:
$("div.test").not(":eq(0)").hide();
or:
$("div.test:gt(0)").hide();
or: (as per @Jordan Lev's comment):
$("div.test").slice(1).hide();
and so on.
See:
http://api.jquery.com/first-selector/
http...
Is there a float input type in HTML5?
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+50
The number type has a step value controlling which numbers are valid (along with max and min), which defaults to 1. This value is also...
How add “or” in switch statements?
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edited May 11 '09 at 14:56
answered May 11 '09 at 14:51
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Lambda function in list comprehensions
... calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or better yet:
[x*x for x in range(10)]
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