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Convert light frequency to RGB?
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And the Fourmilab article makes the important point that some colours are not representable in RGB (bright oranges being a good example) because you cannot "make" arbitrary colours of light by adding three primary colours tog...
`testl` eax against eax?
I am trying to understand some assembly.
8 Answers
8
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Optimal way to concatenate/aggregate strings
...on to facilitate this would be nice. I've tried solutions using COALESCE and FOR XML , but they just don't cut it for me.
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What's the equivalent of use-commit-times for git?
I need the timestamps of files on my local and on my server to be in sync. This is accomplished with Subversion by setting use-commit-times=true in the config so that the last modified of each file is when it was committed.
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Move entire line up and down in Vim
...++, I can use Ctrl + Shift + Up / Down to move the current line up and down. Is there a similar command to this in Vim? I have looked through endless guides, but have found nothing.
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CROSS JOIN vs INNER JOIN in SQL
What is the difference between CROSS JOIN and INNER JOIN ?
12 Answers
12
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~x + ~y == ~(x + y) is always false?
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Assume for the sake of contradiction that there exists some x and some y (mod 2n) such that
~(x+y) == ~x + ~y
By two's complement*, we know that,
-x == ~x + 1
<==> -1 == ~x + x
Noting this result, we have,
~(x+y) == ~x + ~y
<==> ~(x+y) + (x+y) == ~x + ~y...
The static keyword and its various uses in C++
...tatic is one which has several meanings in C++ that I find very confusing and I can never bend my mind around how its actually supposed to work.
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jQuery Mobile: document ready vs. page events
I am using jQuery Mobile, and I am having trouble understanding differences between classic document ready and jQuery Mobile page events.
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
...sion attributes. What are differences? Is it ok if I use AssemblyVersion and ignore the rest?
7 Answers
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