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c++ Programming Glossary: blockIn C++ source, what is the effect of extern “C”? http://stackoverflow.com/questions/1041866/in-c-source-what-is-the-effect-of-extern-c each individual declaration definition explicitly or use a block to group a sequence of declarations definitions to have a certain..
What is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one you want to tie the lifetime of the object to a particular block of code or if you embedded it as member data inside another.. that other object. The object exists until the containing block of code is exitted or until the containing object is itself..
How do malloc() and free() work? http://stackoverflow.com/questions/1119134/how-do-malloc-and-free-work alignment. To be specific Normally the OS can only handle blocks that the virtual memory manager can handle most often multiples.. not work. So what does free do Free will put the memory block in its own free block list. Normally it also tries to meld together.. free do Free will put the memory block in its own free block list. Normally it also tries to meld together adjacent blocks..
Do-While and if-else statements in C/C++ macros http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros more complicated body of code that needs to go in its own block say for example to declare local variables. In the most general..
http://stackoverflow.com/questions/3106110/what-is-move-semantics class which only holds a pointer to a heap allocated block of memory #include cstring #include algorithm class string char..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab returning function directly or by flowing off from a try block Multiple different definitions for the same entity class template.. in C 11 . Exceeding implementation limits number of nested blocks number of functions in a program available stack space .....
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 especially writes past the end or start of an allocated block. 0xFD or Buffer slack Used to fill slack space in some memory.. detection in code. For the case of no man's land and free blocks if you store to any of these locations the memory integrity..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome values around and still referencing the same memory block. I've found that the best analogy is to consider the pointer.. a piece of paper with a house address on it and the memory block it references as the actual house. All sorts of operations can.. to people two pointers does not mean two objects or memory blocks. var h1 h2 THouse begin h1 THouse.Create 'My house' h2 h1 copies..
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 the middle of some entirely valid million byte memory block. In our analogy you check out of the hotel when you do you just..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible at the end of scope. As soon as execution of current code block delimited using is completed memory for all variables in that.. using is completed memory for all variables in that block is automatically collected. This is also the moment where destructors.. memory which will persist after leaving the current block. For instance you may want to write a function string readfile..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators successful it shall return the address of the start of a block of storage whose length in bytes shall be at least as large..
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 for the first loop basically looks like this this block is repeated about five times in the full program movsd xmm0.. the double loop example produces this code the following block is repeated about three times addsd xmm0 mmword ptr eax 28h..
C++ delete - It deletes my objects but I can still access the data? http://stackoverflow.com/questions/1930459/c-delete-it-deletes-my-objects-but-i-can-still-access-the-data block as an instance of a class singleblock. class SingleBlock public SingleBlock int int ~SingleBlock int x int y SingleBlock.. of a class singleblock. class SingleBlock public SingleBlock int int ~SingleBlock int x int y SingleBlock next class MultiBlock.. class SingleBlock public SingleBlock int int ~SingleBlock int x int y SingleBlock next class MultiBlock public MultiBlock..
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 values are done by the OS not the C runtime 0xAB Allocated Block Memory allocated by LocalAlloc . 0xBAADF00D Bad Food Memory..
The program can't start because libgcc_s_dw2-1.dll is missing http://stackoverflow.com/questions/4702732/the-program-cant-start-because-libgcc-s-dw2-1-dll-is-missing is missing I have created a simple program in C with Code Block. If I run it from Code Block it works correctly but if I run.. simple program in C with Code Block. If I run it from Code Block it works correctly but if I run it by doubleclicking on the.. see comments below I'm adding links to Screenshot of Code Blocks Project build options GNU gcc link options The latter discussion..
Where are static variables stored (in C/C++)? http://stackoverflow.com/questions/93039/where-are-static-variables-stored-in-c-c initialized or not. 0 initialized static data goes in .BSS Block Started by Symbol non 0 initialized data goes in .DATA share..
Handling Huge Multidimensional Arrays in C++ http://stackoverflow.com/questions/4464670/handling-huge-multidimensional-arrays-in-c typedef struct modelBlock Information about the blocks BLOCK typedef struct modelGrid bool empty BLOCK blocksArray 50 50.. about the blocks BLOCK typedef struct modelGrid bool empty BLOCK blocksArray 50 50 50 GRID class Parent Child child Parent void..
Version resource in DLL not visible with right-click http://stackoverflow.com/questions/852568/version-resource-in-dll-not-visible-with-right-click #endif FILEOS 0x4L FILETYPE 0x1L FILESUBTYPE 0x0L BEGIN BLOCK StringFileInfo BEGIN BLOCK 040904b0 BEGIN VALUE FileDescription.. 0x1L FILESUBTYPE 0x0L BEGIN BLOCK StringFileInfo BEGIN BLOCK 040904b0 BEGIN VALUE FileDescription something Application VALUE.. something Application VALUE ProductVersion 1 0 0 1 END END BLOCK VarFileInfo BEGIN VALUE Translation 0x409 1200 END END c visual..
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