c++ Programming Glossary: magicHow to debug heap corruption errors? http://stackoverflow.com/questions/1010106/how-to-debug-heap-corruption-errors alloc respecting maximum alignment requirement fill with magic numbers helps catch buffer overflows and underflows and the.. wild pointer alloc fill fill new allocations with a magic non 0 value Visual C will already do this for you in Debug builds.. uninitialized vars free fill fill in freed memory with a magic non 0 value designed to trigger a segfault if it's dereferenced..
Compile time sizeof_array without using a macro http://stackoverflow.com/questions/1500363/compile-time-sizeof-array-without-using-a-macro don't think it's possible to solve but I've seen template magic before. Here goes To get the number of elements in a standard..
http://stackoverflow.com/questions/1930903/bind-vs-lambda on stack overflow where someone asked for ideas of hex magic numbers like OxDEADBEEF OxCAFEBABE OxDEADDEAD etc. and was told..
How exactly does __attribute__((constructor)) work? http://stackoverflow.com/questions/2053029/how-exactly-does-attribute-constructor-work Come to think of it there is probably some similar magic in the normal static linker so that the same code is run on..
C/C++ function definitions without assembly http://stackoverflow.com/questions/2442966/c-c-function-definitions-without-assembly your file pointer represents we can hope to find the magic incantation there. Vtables in C If you guessed that we 胩e going..
How to make SIMPLE C++ Makefile? http://stackoverflow.com/questions/2481269/how-to-make-simple-c-makefile lines for the source files There is some strange magic related to .depend and depend If you do make then ls A you see..
demote boost::function to a plain function pointer http://stackoverflow.com/questions/282372/demote-boostfunction-to-a-plain-function-pointer to begin with. If you think about it there isn't any magic solution to this. A C style callback is stored as a single pointer..
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 assigned to this value at byte level . the following magic values are done by the OS not the C runtime 0xAB Allocated Block..
C/C++: switch for non-integers http://stackoverflow.com/questions/4165131/c-c-switch-for-non-integers this question Using some nasty macro and template magic it's possible to get an unrolled binary search at compiletime..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers o i o close return o Now I've seen plenty of template magic here on SO that I never thought possible so I'm wondering if..
#include all .cpp files into a single compilation unit? http://stackoverflow.com/questions/543697/include-all-cpp-files-into-a-single-compilation-unit first google link for more info http buffered.io posts the magic of unity builds The thing that makes it fast is that the compiler..
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly http://stackoverflow.com/questions/588307/c-obtaining-milliseconds-time-on-linux-clock-doesnt-seem-to-work-properl Boost .. If Boost and Qt can do it surely it's not magic there must be something standard that they're using c timer..
how does array[100] = {0} set the entire array to 0? http://stackoverflow.com/questions/629017/how-does-array100-0-set-the-entire-array-to-0 the compiler fill values in char array 100 0 What's the magic behind it I wanted to know how internally compiler initializes... implementation share improve this question It's not magic. The behavior of this code in C is described in section 6.7.8.21..
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle parallel. However if grouped in 3's it suddenly works like magic. Other architectures possibly Sandy Bridge and others appear..
I don't want my Excel Add-In to return an array (instead I need a UDF to change other cells) http://stackoverflow.com/questions/8520732/i-dont-want-my-excel-add-in-to-return-an-array-instead-i-need-a-udf-to-change possible albeit complex. I am reposting this piece of magic from Kevin Jones aka Zorvek as it sits behind the EE Paywall..
How does std::forward work? [duplicate] http://stackoverflow.com/questions/8526598/how-does-stdforward-work an rvalue to the constructor of '_v' attention real magic happens here int i 5 some_struct int s2 i in ctor 'i' is an..
http://stackoverflow.com/questions/11971063/how-to-use-c-objects-in-c Give the C module a C interface magic.hpp struct Magic Magic char const int double work int int magic.cpp Implement.. Give the C module a C interface magic.hpp struct Magic Magic char const int double work int int magic.cpp Implement Magic.. char const int double work int int magic.cpp Implement Magic . magic_interface.h struct Magic #ifdef __cplusplus extern C..
Memorable 32-bit value as a constant http://stackoverflow.com/questions/1810529/memorable-32-bit-value-as-a-constant A comprehensive list of magic constants is here Hexspeak Magic Number And see the links therein. share improve this answer..
Why [] is used in delete ( delete [] ) to free dynamically allocated array? http://stackoverflow.com/questions/1913853/why-is-used-in-delete-delete-to-free-dynamically-allocated-array n objects to be destructed during delete p Short answer Magic. Long answer The run time system stores the number of objects..
Magic arguments in function templates http://stackoverflow.com/questions/2384107/magic-arguments-in-function-templates arguments in function templates In the following code #include..
What's the Magic Behind Escape(\) Character http://stackoverflow.com/questions/323407/whats-the-magic-behind-escape-character the Magic Behind Escape Character How does the C C compiler manipulate..
Is args[0] guaranteed to be the path of execution? http://stackoverflow.com/questions/383973/is-args0-guaranteed-to-be-the-path-of-execution the following common signature int main int argc char args Magic return 0 is args 0 always guaranteed to be the path to the currently..
http://stackoverflow.com/questions/4057872/particle-library library but it's not crossplaftorm and free. There is also Magic Particles Probably the best version I need but there is only..
Magic number in boost::hash_combine http://stackoverflow.com/questions/4948780/magic-number-in-boosthash-combine number in boost hash_combine The boost hash_combine template..
(c++) The benefits / disadvantages of unity builds? http://stackoverflow.com/questions/847974/c-the-benefits-disadvantages-of-unity-builds that less I O overhead is the major benefit. See also The Magic Of Unity Builds as linked in the above question as well. share..
“Roll-Back” or Undo Any Manipulators Applied To A Stream Without Knowing What The Manipulators Were http://stackoverflow.com/questions/4217704/roll-back-or-undo-any-manipulators-applied-to-a-stream-without-knowing-what-th without having to know what modifiers I added to it ... MAGIC HAPPENS ... cout This should not be in hex 42 n Suppose I want.. should not be in hex 42 n Suppose I want to add code at MAGIC HAPPENS that will revert the state of the stream manipulators.. without having to know what modifiers I added to it ... MAGIC HAPPENS ... std cout.copyfmt state cout This should not be in..
C++ Logging and performance tuning library http://stackoverflow.com/questions/4727006/c-logging-and-performance-tuning-library dbg Timer section_timer new dbg Timer Option Parse MAGIC Parse the command line... section_timer auto_ptr dbg Timer new.. section_timer auto_ptr dbg Timer new dbg Timer File Load MAGIC Load a big file... section_timer auto_ptr dbg Timer new dbg.. section_timer auto_ptr dbg Timer new dbg Timer DB Connect MAGIC Establish a DB connection... for for each item in the file ..
Explain Morris inorder tree traversal without using stacks or recursion http://stackoverflow.com/questions/5502916/explain-morris-inorder-tree-traversal-without-using-stacks-or-recursion if pre right NULL pre right current current current left MAGIC OF RESTORING the Tree happens here Revert the changes made in..
Using boost::bind with boost::function: retrieve binded variable type http://stackoverflow.com/questions/7893768/using-boostbind-with-boostfunction-retrieve-binded-variable-type execute char param boost function void void f myVector 0 MAGIC goes here somehow know that an int parameter was bound _myint..
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