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What is an xs:NCName type and when should it be used?
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Are 2^n and n*2^n in the same time complexity?
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emlai
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answered Feb 13 '14 at 20:44
Ivaylo StrandjevI...
How do I change read/write mode for a file using Emacs?
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edited Feb 2 '18 at 8:42
tripleee
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answe...
Difference between left join and right join in SQL Server [duplicate]
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Select * from Table1 left join Table2 ...
and
Select * from Table2 right join Table1 ...
ar...
Hidden Features of MySQL
...lot of connections.
MySQL binaries for Linux/x86 allow you to have up to 4096 concurrent connections, but self compiled binaries often have less of a limit.
Set table_cache to match the number of your open tables and concurrent connections. Watch the open_tables value and if it is growing quickly...
How to detect page zoom level in all modern browsers?
...dth uses CSS pixels--thanks to Quirksmode widths)
FF3.6: no known method
FF4+: media queries binary search (see below)
WebKit: https://www.chromestatus.com/feature/5737866978131968 (thanks to Teo in the comments)
WebKit: measure the preferred size of a div with -webkit-text-size-adjust:none.
WebKit:...
C# catch a stack overflow exception
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Alexei Levenkov
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answered Oct 21 '09 at 7:20
JaredParJaredP...
What is the fastest way to compute sin and cos together?
... is yet another example (with gcc): http://www.allegro.cc/forums/thread/588470
Hope one of them helps.
(I didn't use this instruction myself, sorry.)
As they are supported on processor level, I expect them to be way much faster than table lookups.
Edit:
Wikipedia suggests that FSINCOS was added a...
how to permit an array with strong parameters
...ses has_many :through associations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the Rails 4 version.
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Redefining NULL
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The C standard does not require null pointers to be at the machine's address zero. HOWEVER, cast...