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c++ Programming Glossary: indexingWhy does std::stack use std::deque by default? http://stackoverflow.com/questions/102459/why-does-stdstack-use-stddeque-by-default deque is likely a better choice. priority_queue requires indexing heavily as every removal and insertion requires you to run pop_heap..
How to make generic computations over heterogeneous argument packs of a variadic template function? http://stackoverflow.com/questions/14261183/how-to-make-generic-computations-over-heterogeneous-argument-packs-of-a-variadic possible to retrieve specific arguments in a pack by indexing them. This is what the nth_value_of function allows doing together..
C++ sorting and keeping track of indexes http://stackoverflow.com/questions/1577475/c-sorting-and-keeping-track-of-indexes 1 3 2 Can anyone see a good way to do this c sorting stl indexing share improve this question You could sort std pair instead..
Get the first column of a matrix represented by a vector of vectors http://stackoverflow.com/questions/15778377/get-the-first-column-of-a-matrix-represented-by-a-vector-of-vectors const return m_data.size Direct vector access and indexing operator const vector T const return m_data int Index int row..
(How) can I count the items in an enum? http://stackoverflow.com/questions/2102582/how-can-i-count-the-items-in-an-enum out of the array index range. Using enum values for array indexing is not safe you should consider other options. edit as requested..
Good C++ array class for dealing with large arrays of data in a fast and memory efficient way? http://stackoverflow.com/questions/2472944/good-c-array-class-for-dealing-with-large-arrays-of-data-in-a-fast-and-memory
Conversion of Fortran 77 code to C++ http://stackoverflow.com/questions/275458/conversion-of-fortran-77-code-to-c fortran c discrepancies row column major arrays array indexing etc. if you do this but it would save you the pain of debugging..
Why does C++ not have reflection? http://stackoverflow.com/questions/359237/why-does-c-not-have-reflection away. operator on a vector is only comparable to raw array indexing in performance because the entire operator can be inlined and..
When and why will an OS initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete? http://stackoverflow.com/questions/370195/when-and-why-will-an-os-initialise-memory-to-0xcd-0xdd-etc-on-malloc-free-new memory surrounding it with a fence and is used to detect indexing arrays out of bounds or other accesses especially writes past..
Using arrays or std::vectors in C++, what's the performance gap? http://stackoverflow.com/questions/381621/using-arrays-or-stdvectors-in-c-whats-the-performance-gap speed.cpp Comparison of assembly code generated for basic indexing dereferencing and increment operations on vectors and arrays.. ret Conclusion Indexing a vector is the same damn thing as indexing a pointer. int pointer_deref S s return s.p movq 32 rdi rax..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c the same std cout 3 x 7 x std endl The definition of the indexing operator leads to the following interesting equivalence x i..
http://stackoverflow.com/questions/671703/array-index-out-of-bound-in-c that is allocated for the stack. As a result you are indexing into a part of memory that is not allocated to your process..
What does `std::kill_dependency` do, and why would I want to use it? http://stackoverflow.com/questions/7150395/what-does-stdkill-dependency-do-and-why-would-i-want-to-use-it into the second which carries a dependency into the indexing operation and then carries a dependency into the do_something_with.. to break the dependency between the second line and the indexing. r1 x.load memory_order_consume r2 r1 index do_something_with.. r2 As far as I can tell this means that the indexing and the call to do_something_with are not dependency ordered..
Can a pointer to base point to an array of derived objects? http://stackoverflow.com/questions/7196172/can-a-pointer-to-base-point-to-an-array-of-derived-objects getting a crash. Using a pointer to Rectangle makes the indexing work correctly. int main Rectangle shapes new Rectangle 10 for..
May I treat a 2D array as a contiguous 1D array? http://stackoverflow.com/questions/7269099/may-i-treat-a-2d-array-as-a-contiguous-1d-array out before notice that when you're doing p 1234 you're indexing the 1234th element of the zeroth row of only 80 columns. Some..
Efficiency of vector index access vs iterator access http://stackoverflow.com/questions/9506018/efficiency-of-vector-index-access-vs-iterator-access surprise me to see iterators significantly faster than indexing or vice versa . With regards to your understanding there's nothing..
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