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Difference between fold and reduce?
... types.
With reduce, you apply a function f to every list element starting from the first one:
f (... (f i0 i1) i2 ...) iN.
With fold, you apply f starting from the accumulator s:
f (... (f s i0) i1 ...) iN.
Therefore, reduce results in an ArgumentException on empty list. Moreover, fold is mo...
In Matlab, when is it optimal to use bsxfun?
...);
tic;
idx = bsxfun(@plus, [0:2]', 1:numel(a)-2);
toc
% equivalent code from im2col function in MATLAB
tic;
idx0 = repmat([0:2]', 1, numel(a)-2);
idx1 = repmat(1:numel(a)-2, 3, 1);
idx2 = idx0+idx1;
toc;
isequal(idx, idx2)
Elapsed time is 0.297987 seconds.
Elapsed time is 0.501047 seconds.
ans...
How to return multiple values? [duplicate]
Is it possible to return two or more values from a method to main in Java? If so, how it is possible and if not how can we do?
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How to use java.String.format in Scala?
...
@ashes999 I'm from c# land aswell. I'm so used to numbered brackets I'd forgotton that wasn't the standard way of doing things. Seeing the percent signs brings it all back though!
– JonnyRaa
May 12 '...
How to get the url parameters using AngularJS
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I found solution how to use $location.search() to get parameter from URL
first in URL u need put syntax " # " before parameter like this example
"http://www.example.com/page#?key=value"
and then in your controller u put $location in function and use $location.search() to get URL param...
Php multiple delimiters in explode
... I found having the spaces in between the / ( and ) / stopped preg_split from working. I had to remove the spaces and then it worked as expected (using PHP 7)
– Boardy
Mar 11 '18 at 0:31
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Using Predicate in Swift
...". That is not correct. That uses string interpolation, which is different from predicate formatting and will generally not work for this.)
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jQuery UI sliders on touch devices
...ue in the future: Choppy or laggy HTML sliders with custom CSS may benefit from this attribute.
– Timmiej93
Sep 23 at 13:50
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How do you know when to use fold-left and when to use fold-right?
...re you can see the traversal to the base case 4 and building up the result from there.
So I posit a rule of thumb: if it looks like a list iteration, one that would be simple to write in tail-recursive form, foldl is the way to go.
But really this will be probably be most evident from the associat...
'ssh-keygen' is not recognized as an internal or external command
...n phase out msysgit.
I detailed in "Why is it that if you download Git 2.0 from the net, you always get a 1.9.4 installer package?" how this new version is based on the more recent msys2 project.
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