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How does BLAS get such extreme performance?
...itten for one matrix already being transposed. That's why it's "only" one order of magnitude slower than BLAS! But yeah, it's still thrashing because of the lack of cache-blocking. Are you sure Fortran would help much? I think all you'd gain here is that restrict (no aliasing) is the default, un...
What is the Scala identifier “implicitly”?
...class pattern. The standard library uses this in a few places -- see scala.Ordering and how it is used in SeqLike#sorted. Implicit Parameters are also used to pass Array manifests, and CanBuildFrom instances.
Scala 2.8 allows a shorthand syntax for implicit parameters, called Context Bounds. Briefl...
Embedding DLLs in a compiled executable
...sses and packs the Microsoft .NET Framework executable (EXE, DLL) files in order to make them smaller.
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What's the yield keyword in JavaScript?
...essary when it needs to wait for variables and things to load. But now, in order to run this, you need to call a normal (non-coroutine function). A simple co-routine framework can fix this problem so that all you have to do is run this:
start(main())
And start is defined (from Nick Sotiro' answer...
Generate random numbers with a given (numerical) distribution
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The order of the (item, prob) pairs in the list matters in your implementation, right?
– stackoverflowuser2010
Jun 6 '13 at 22:37
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How do I make CMake output into a 'bin' dir?
...s. Absolutely nothing was working until coming to the realization that the order of these commands is very relevant.
– arthropod
Dec 28 '19 at 0:06
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What are CN, OU, DC in an LDAP search?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How do I use cascade delete with SQL Server?
...ECT_ID = fc.constraint_object_id
AND t.OBJECT_ID = fc.referenced_object_id
ORDER BY 1
And if you ever find that you can't DROP a particular table due to a Foreign Key constraint, but you can't work out which FK is causing the problem, then you can run this command:
sp_help 'TableName'
The SQL i...
Pandas every nth row
...row-selections.
This assumes, of course, that you have an index column of ordered, consecutive, integers starting at 0.
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How to generate all permutations of a list?
... and above ONLY
First, import itertools:
import itertools
Permutation (order matters):
print list(itertools.permutations([1,2,3,4], 2))
[(1, 2), (1, 3), (1, 4),
(2, 1), (2, 3), (2, 4),
(3, 1), (3, 2), (3, 4),
(4, 1), (4, 2), (4, 3)]
Combination (order does NOT matter):
print list(itertools.c...