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What is “:-!!” in C code?
...to fail the build.
The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.)
You should read the expression like this:
sizeof(struct { int: -!!(e); }))
(e): Comput...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
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That was the explanation that an 8 year-old might understand. Here is the more technical version.
BCNF acts differently from 3NF only when there are multiple overlapping candidate keys.
The reason is that the functional dependency X -> Y is of course true if Y is a subset of X. So in any ta...
Cross-platform way of getting temp directory in Python
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@sorin 99.99% is a stretch. I'd say 50% is more realistic. Often I'm working with multiprocessing and then I could want the same temp dir for all processes.
– Acumenus
Jan 3 at 0:03
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Singleton by Jon Skeet clarification
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Redirect to named url pattern directly from urls.py in django?
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Best cross-browser method to capture CTRL+S with JQuery?
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});
Key codes can differ between browsers, so you may need to check for more than just 115.
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Get attribute name value of
...uery version.
Now, that's just for one operation, over time you will have more and more stuff going on in your code. Perhaps for something particularly advanced, the optimal "pure JavaScript" solution would take one second to run. The jQuery version might take 30 seconds to a whole minute! That's h...
UITextView style is being reset after setting text property
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Count work days between two dates
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The datename function is locale-dependent. A more robust but also more obscure solution is to replace the last two lines by: -(case datepart(dw, @StartDate)+@@datefirst when 8 then 1 else 0 end) -(case datepart(dw, @EndDate)+@@datefirst when 7 then 1 when 14 then 1 else...