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Removing multiple files from a Git repo that have already been deleted from disk
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29 Answers
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Can (domain name) subdomains have an underscore “_” in it?
...gal to have
an underscore in a domain name. Let me quote the standard, RFC
2181, section 11, "Name syntax":
The DNS itself places only one restriction on the particular labels
that can be used to identify resource records. That one
restriction relates to the length of the label and the full...
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...
How does C compute sin() and other math functions?
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22 Answers
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Drawing a connecting line between two elements [closed]
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12 Answers
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Utilizing multi core for tar+gzip/bzip compression/decompression
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323
You can use pigz instead of gzip, which does gzip compression on multiple cores. Instead of us...
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...
Is it possible to set a custom font for entire of application?
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25 Answers
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composer: How to find the exact version of a package?
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edited Nov 21 '16 at 18:09
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an...
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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