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How is this fibonacci-function memoized?
...In normal doubly-recursve Fibonacci definition, fib n = fib (n-1) + fib (n-2), the function itself gets called, twice from the top, causing the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where x...
Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...pose I have the following table T:
a b
--------
1 abc
1 def
1 ghi
2 jkl
2 mno
2 pqr
And I do the following query:
SELECT a, b
FROM T
GROUP BY a
The output should have two rows, one row where a=1 and a second row where a=2.
But what should the value of b show on each of these two...
Utilizing multi core for tar+gzip/bzip compression/decompression
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You can use pigz instead of gzip, which does gzip compression on multiple cores. Instead of us...
Is it possible to set a custom font for entire of application?
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Is Java Regex Thread Safe?
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edited May 2 '14 at 21:32
Sam
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ans...
composer: How to find the exact version of a package?
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edited Nov 21 '16 at 18:09
L S
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Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
...from a large scale image automatically? For example assume that I have a 512x512 image and I want to have different versions of this images for different screen resolutions supported by Android in appropriate folders.
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Bash Templating: How to build configuration files from templates with Bash?
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Override ActiveRecord attribute methods
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Echoing Gareth's comments... your code will not work as written. It should be rewritten this w...
What is the max size of localStorage values?
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