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c++ Programming Glossary: allocHow to debug heap corruption errors? http://stackoverflow.com/questions/1010106/how-to-debug-heap-corruption-errors functionality was in Application Verifier. electricfence dmalloc valgrind and so forth are all worth mentioning but most of these.. you can provide your own global operator new delete and malloc calloc realloc overloads how to do so will vary a bit depending.. provide your own global operator new delete and malloc calloc realloc overloads how to do so will vary a bit depending on..
Calling Objective-C method from C++ method? http://stackoverflow.com/questions/1061005/calling-objective-c-method-from-c-method void self NULL MyClassImpl ~MyClassImpl void id self dealloc void init void self MyClass alloc init int MyClassImpl doSomethingWith.. void id self dealloc void init void self MyClass alloc init int MyClassImpl doSomethingWith void aParameter return..
Heap corruption under Win32; how to locate? http://stackoverflow.com/questions/1069/heap-corruption-under-win32-how-to-locate to exception various places various causes including heap alloc failing thus heap corruption . The behaviour seems related to.. before something fails horrendously and exceptions like an alloc when running under a sophisticated debug environment Rational.. new and delete might be useful but that doesn't catch the allocs committed by lower level code. If this is what you want better..
Any reason to overload global new and delete? http://stackoverflow.com/questions/1152511/any-reason-to-overload-global-new-and-delete operators where I work for many reasons pooling all small allocations decreases overhead decreases fragmentation can increase.. decreases fragmentation can increase performance for small alloc heavy apps framing allocations with a known lifetime ignore.. increase performance for small alloc heavy apps framing allocations with a known lifetime ignore all the frees until the very..
Exception vs. error-code vs. assert http://stackoverflow.com/questions/1388335/exception-vs-error-code-vs-assert good if there is no more to report than good or bad i.e. alloc returns either good or bad NULL . assert and log These are debugging..
How exactly does __attribute__((constructor)) work? http://stackoverflow.com/questions/2053029/how-exactly-does-attribute-constructor-work navigationBarImages NSMutableDictionary alloc init __attribute__ destructor static void destroy_navigationBarImages..
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 is both memory efficient and speed efficient. I had been allocating the array using a single malloc HealAlloc but after multiple.. efficient. I had been allocating the array using a single malloc HealAlloc but after multiple trys using various calls keep falling.. multiple smaller memory fragments. I don't want an alloc per element as that is very memory inefficient so the plan is..
C++ catching dangling reference http://stackoverflow.com/questions/3199067/c-catching-dangling-reference 0x7fff141aece7 size 16 area static check 0r 0w liveness 0 alloc time 1279282951.939012 pc 0x7f53f4046791 Nearby object 2 checked.. 0x7fff141af03f size 856 area static check 0r 0w liveness 0 alloc time 1279282951.939049 pc 0x7f53f4046791 Nearby object 3 checked.. 0x7fff141aeb8f size 4 area stack check 0r 0w liveness 0 alloc time 1279282951.939053 pc 0x7f53f4046791 dealloc time 1279282951.939059..
initializing std::string from char* without copy http://stackoverflow.com/questions/361500/initializing-stdstring-from-char-without-copy is I'd like to minimise if possible eliminate heap allocated memory usage as it at the moment is my largest performance.. std string without requiring std string to internally alloc copy the data Alternatively could I use stringstreams or something.. each loop is totally independant how can I re use thisallocated space. c string memory management stl share improve this..
How do I best handle dynamic multi-dimensional arrays in C/C++? http://stackoverflow.com/questions/365782/how-do-i-best-handle-dynamic-multi-dimensional-arrays-in-c-c use a single dimensional array as Guge said below You can alloc rows cols sizeof int and access it by table row cols col . ... at the bottom is manually building the array with lots of malloc's. c c arrays multidimensional share improve this question..
How to allocate memory space without using malloc or new operator? http://stackoverflow.com/questions/5771868/how-to-allocate-memory-space-without-using-malloc-or-new-operator to allocate memory space without using malloc or new operator When my.. to allocate memory space without using malloc or new operator When my friend had his interview yesterday.. he was asked a question Implement a function that allocates memory space without using the alloc or new operator and..
http://stackoverflow.com/questions/714692/alloca-implementation implementation How does one implement alloca using inline x86 assembler in languages like D C and C I want.. a naked function or something make it look like the normal alloca . Edit # 2 Ah what the heck you can assume that we're not omitting.. assembly d share improve this question implementing alloca actually requires compiler assistance . A few people here are..
Unique hardware ID in Mac OS X http://stackoverflow.com/questions/933460/unique-hardware-id-in-mac-os-x fileHandle2 readDataToEndOfFile NSString uuid NSString alloc initWithData data encoding NSUTF8StringEncoding share improve..
Simple way to unzip a .zip file using zlib http://stackoverflow.com/questions/10440113/simple-way-to-unzip-a-zip-file-using-zlib struct zip_stat st zip_stat_init st zip_stat z name 0 st Alloc memory for its uncompressed contents char contents new char..
What are inline namespaces for? http://stackoverflow.com/questions/11016220/what-are-inline-namespaces-for now has an allocator argument template class T class Alloc std allocator T class vector pre_cxx_1997 __vector_impl T the.. still good ... and vector bool is special template class Alloc std allocator bool class vector bool ... #endif C 98 03 or..
Standard Library Containers with additional optional template parameters? http://stackoverflow.com/questions/1469743/standard-library-containers-with-additional-optional-template-parameters code portable template template typename T typename Alloc class C void f some code goes here ... int main f std vector..
Trouble with boost::lockfree::queue in shared memory (boost 1.53, gcc 4.7.2 / clang 3.0-6ubuntu3) http://stackoverflow.com/questions/14893246/trouble-with-boostlockfreequeue-in-shared-memory-boost-1-53-gcc-4-7-2-cl interprocess managed_shared_memory segment_manager ShmemAllocator typedef boost lockfree queue MessageT boost lockfree capacity.. lockfree capacity 65535 boost lockfree allocator ShmemAllocator Queue m_segment new boost interprocess managed_shared_memory.. interprocess managed_shared_memory segment_manager ShmemAllocator typedef boost lockfree queue MessageT boost lockfree allocator..
Performance of vector::size() : is it as fast as reading a variable? http://stackoverflow.com/questions/2753381/performance-of-vectorsize-is-it-as-fast-as-reading-a-variable stored in the dynamic array The implementation of vector T Alloc size is thus usually reduced to return _M_end _M_begin Note..
http://stackoverflow.com/questions/3770457/what-is-memory-fragmentation that allocates memory and standard containers all have an Alloc template parameter which you could use to fine tune their allocation..
How to “pattern match” a template? http://stackoverflow.com/questions/5440089/how-to-pattern-match-a-template take 2 the underlying item type T and the allocator type Alloc . std set and std map on the other hand take 3 and 4 respectively.. both take a comparator Compare type and the allocator type Alloc . You can get an overview of all container types supplied by..
Efficient string concatenation in C++ http://stackoverflow.com/questions/611263/efficient-string-concatenation-in-c at this interface template class charT class traits class Alloc basic_string charT traits Alloc operator const basic_string.. charT class traits class Alloc basic_string charT traits Alloc operator const basic_string charT traits Alloc s1 const basic_string.. traits Alloc operator const basic_string charT traits Alloc s1 const basic_string charT traits Alloc s2 You can see that..
Generic Hash function for all STL-containers http://stackoverflow.com/questions/6899392/generic-hash-function-for-all-stl-containers to go namespace std template typename T class Comp class Alloc struct hash std set T Comp Alloc inline std size_t operator.. T class Comp class Alloc struct hash std set T Comp Alloc inline std size_t operator const std set T Comp Alloc s const.. Comp Alloc inline std size_t operator const std set T Comp Alloc s const return my_range_hash s.begin s.end ... ditto for other..
Determine if a type is an STL container at compile time http://stackoverflow.com/questions/9407367/determine-if-a-type-is-an-stl-container-at-compile-time to create the necessary specializations for std vector T Alloc deque T Alloc set T Alloc Comp etc... c templates stl template.. necessary specializations for std vector T Alloc deque T Alloc set T Alloc Comp etc... c templates stl template meta programming.. specializations for std vector T Alloc deque T Alloc set T Alloc Comp etc... c templates stl template meta programming share..
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