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Is unsigned integer subtraction defined behavior?
...t can be
represented by the resulting type.
(ISO/IEC 9899:1999 (E) §6.2.5/9)
As you can see, (unsigned)0 - (unsigned)1 equals -1 modulo UINT_MAX+1, or in other words, UINT_MAX.
Note that although it does say "A computation involving unsigned operands can never overflow", which might lead ...
Is R's apply family more than syntactic sugar?
...ntly different performance:
> fibo <- function(n) {
+ if ( n < 2 ) n
+ else fibo(n-1) + fibo(n-2)
+ }
> system.time(for(i in 0:26) fibo(i))
user system elapsed
7.48 0.00 7.52
> system.time(sapply(0:26, fibo))
user system elapsed
7.50 0.00 7.54
> s...
Captured variable in a loop in C#
...
205
Yes - take a copy of the variable inside the loop:
while (variable < 5)
{
int copy = v...
Use 'import module' or 'from module import'?
...
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edited Jan 27 '14 at 22:14
NullUserException
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Should I use multiplication or division?
...
25 Answers
25
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
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answered Aug 28 '09 at 21:52
RushyoRushyo
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Pagination in a REST web application
... as the resource it is a perfectly fine solution, since the query for page 2 will always yield page 2.
But if you see the products on the page as the resource you have the problem that the products on page 2 might change (old products deleted, or whatever), in this case the URI is not always
retur...
How to compare times in Python?
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132
You can't compare a specific point in time (such as "right now") against an unfixed, recurring e...
Rails raw SQL example
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answered Feb 12 '13 at 19:48
HuyHuy
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NSRange to Range
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271
The NSString version (as opposed to Swift String) of replacingCharacters(in: NSRange, with: NS...