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Is < faster than
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Jonathon ReinhartJonathon Reinhart
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Why would iterating over a List be faster than indexing through it?
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edited May 10 '12 at 9:14
Soner Gönül
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What is “2's Complement”?
...of 4 bits (we'll call it a nibble - 1/2 a byte).
0000 - zero
0001 - one
0010 - two
0011 - three
0100 to 0111 - four to seven
That's as far as we can go in positives. 23-1 = 7.
For negatives:
1111 - negative one
1110 - negative two
1101 - negative three
1100 to 1000 - negative four to negative eig...
Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
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edited Oct 30 '11 at 13:01
answered Oct 30 '11 at 4:38
Ty...
Should I use #define, enum or const?
...idMask' is.
– João Portela
Jan 11 '10 at 18:07
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Is it desired that IsValidMask doesn't allow se...
Detecting 'stealth' web-crawlers
...e talking about these kinds of schemes who want to block anyone who tops 5-10 hits in a second, which may generate false positives on image-heavy pages (unless images are excluded from the tally) and will generate false positives when someone like me finds an interesting site that he wants to read a...
How did I get a value larger than 8 bits in size from an 8-bit integer?
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+100
This is a compiler bug.
Although getting impossible results for undefined behaviour is a valid consequence, there is actually no un...
What is the difference between ELF files and bin files?
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answered Mar 11 '10 at 17:30
t0mm13bt0mm13b
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What's wrong with cplusplus.com?
...ms, then use Erase-Remove Idiom:
v.erase(std::remove(v.begin(), v.end(), 10), v.end());
But cplusplus.com gives incorrect information about std::remove. It says
Notice that this function does not alter the elements past the new end, which keep their old values and are still accessible.
wh...
How can I know which parts in the code are never used?
...never read (even though used).
-Wunreachable-code (older GCC, removed in 2010) should warn about local blocks that are never accessed (it happens with early returns or conditions that always evaluate to true)
there is no option I know of to warn about unused catch blocks, because the compiler genera...