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What is a “memory stomp”?
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Can you remove elements from a std::list while iterating through it?
... anyways, it's almost sure that this was exploiting some undefined (by the C++ standard) behavior, so better don't use it.
– Rafael Gago
Mar 26 '14 at 15:36
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Malloc vs new — different padding
I'm reviewing someone else's C++ code for our project that uses MPI for high-performance computing (10^5 - 10^6 cores). The code is intended to allow for communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:...
What is the difference between syntax and semantics in programming languages?
...ference between syntax and semantics in programming languages (like C, C++)?
10 Answers
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Adjusting Eclipse console size
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I had a similar problem with my c++ build console. This is set in Preferences->C/C++->Build->Console
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How do you exit from a void function in C++?
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Which sort algorithm works best on mostly sorted data? [closed]
...into worst case behaviour no matter how your data looks like.
If you're a C++ programmer check your std::sort algorithm. It may already use introspective sort internally.
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Call apply-like function on each row of dataframe with multiple arguments from each row
...s, especially if you come from a procedural programming background such as C++ or C#.
– Contango
Mar 31 '14 at 8:59
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Are std::vector elements guaranteed to be contiguous?
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This was missed from C++98 standard proper but later added as part of a TR. The forthcoming C++0x standard will of course contain this as a requirement.
From n2798 (draft of C++0x):
23.2.6 Class template vector [vector]
1 A vector is a ...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... rA = _mm_or_pd(rA,vONE);
rB = _mm_or_pd(rB,vONE);
c++;
}
r0 = _mm_add_pd(r0,r1);
r2 = _mm_add_pd(r2,r3);
r4 = _mm_add_pd(r4,r5);
r6 = _mm_add_pd(r6,r7);
r8 = _mm_add_pd(r8,r9);
rA = _mm_add_pd(rA,rB);
r0 = _mm_add_pd(r0,r2);
r4 = _mm_add...