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c++ Programming Glossary: addressesWhy is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513? http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of which goes in set 24 . And then we also attempt to read addresses 0x2F00 0x3700 0x3F00 and 0x4700 . All of these belong to the.. holding 0x2710 . The problem lies in the fact that we read addresses that are for this example 0x800 apart. This is the critical..
Why isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member best when fundamental data types are stored at byte addresses that are multiples of their sizes. Here's an example using typical..
C++ Accesses an Array out of bounds gives no error, why? http://stackoverflow.com/questions/1239938/c-accesses-an-array-out-of-bounds-gives-no-error-why you can get. Just a sequence of elements with contiguous addresses. There is no bounds checking because it is simply exposing raw..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol I could not find a really clear extensive answer which addresses the two most frequent problems that tend to arise in a way that..
http://stackoverflow.com/questions/162941/why-use-pointers but instead all characters in the nextcoming memory addresses until a null character 0 were found. And this is where things.. do notice that the two printf might give you different addresses since there is no guarantee that the second allocation of memory..
Get the IP address of the machine http://stackoverflow.com/questions/212528/get-the-ip-address-of-the-machine Machine . So How do I programmatically in C detect the IP addresses of the linux server my application is running on. The servers.. is running on. The servers will have at least two IP addresses and I need a specific one the one in a given network the public.. was successful ie returns 0 . I've updated it show IPv6 addresses too. #include stdio.h #include sys types.h #include ifaddrs.h..
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 at least are less typical and are good at finding bad addresses. Atypical values i.e. not too often are good since they typically.. since on a standard 32 bit Windows configuration user mode addresses will not go higher than 0x7fffffff. share improve this answer..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c end only. Stacks usually start high and grow down to lower addresses. You run out of memory when the stack meets the dynamic allocator..
How many and which are the uses of “const” in C++? http://stackoverflow.com/questions/455518/how-many-and-which-are-the-uses-of-const-in-c int main string const a 1234 string b a outputs different addresses cout void a 0 void b 0 For the copy constructor to make copies..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c to its first element. Although in that case the values the addresses are the same a pointer to the first element of an array and..
Proper stack and heap usage in C++? http://stackoverflow.com/questions/599308/proper-stack-and-heap-usage-in-c you call a function. Computer memory is just a series of addresses heap and stack are inventions of the compiler. share improve..
C++: What is the size of an object of an empty class? http://stackoverflow.com/questions/621616/c-what-is-the-size-of-an-object-of-an-empty-class FAQ the reason the size is non zero is To ensure that the addresses of two different objects will be different. And the size can..
How does the compilation, linking process work? http://stackoverflow.com/questions/6264249/how-does-the-compilation-linking-process-work undefined symbols contained within them with the correct addresses. Each of these symbols can be defined in other object files..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope to ensure that when the stack logically shrinks the addresses that used to be valid are still mapped into memory. The implementation..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops c1 0 n sizeof double memset d1 0 n sizeof double Print the addresses cout a1 endl cout b1 endl cout c1 endl cout d1 endl clock_t..
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