C & C++

• C & C++ Questions

• • char * signedness

    Pietro Cerutti wrote:> Hi group,> is it always safe to pass unsigned char * variables as param...

    By joe_wright

  • About the declaration of main()

    Papastefanos Serafeim <serafeim@otenet.gr> wrote:> I read the FAQ of the newsgroup and in questio...

    By kevineaston

  • constant datatypes

    I am not restricted from doing an assignment operation on a constant datatype ( say, an int ) but ju...

    By mallikaarjuna24

  • constant datatypes

    why my const integer is strangely accepting an assignment statement or an increment operation on it ...

    By mallikaarjuna24

  • "strict weak ordering" requirement of comp...

    Hi,if I'm not mistaken, the compare parameter of the std::set template hasto fulfill the "stric...

    By jochen_eisinger

• • Smart char * class...

    I need a smart char * class, that acts like a char * in all cases, butlets you do some std::string-t...

    By christopherbenson_manica, 9 Comments

  • Is it possible to specify template as <L/2>?

    I tried the following in MSVC7.1 but was told "unable to deducetemplate parameter".template <int ...

    By atlas, 3 Comments

  • SHFileOperation Help

    Hi,I have a program that copy files using SHFileOperation, but my problembegins when i want copy fil...

    By davids, 1 Comments

  • combo boxes

    how do i add/remove items in a combo box? Do i just use GetWindowText to read what item is selected?...

    By amonra, 2 Comments

  • circular link list in c++

    I'm trying to built and array of circular link list but when I read the input file Ijust get a long ...

    By sarass, 103 Comments

• C & C++: is the Category's subject.It's has 199,423 questions,this is No.9,972 pages.
• How to handle events of COM
• Hello.Would you teach me about handing events of office's COMobject?I have already #import-ed "mso9.dll", "vbe6ext.olb" and"excel9.olb". And I added a Office::CommandBarButtonobject on the Excel2000's menu bar.But I cannot catch the click-event of my CommandBarButtonobject.I know that I ne...
• m_yoshida, Wed, 10 Mar 2010 18:17:00 GMT, 457 bytes, 2 Answer
• Help the helpless.. code read
• I've been programming for many years, but have only recently taken adeep "C" dive (bad pun, i know) and need a lot of explanation from anexpert. My questions center around those mysterious pointer beasties.The following code is excerpted from digitemp, a program that reads1-wire devices. Di...
• mark_richards, Sun, 07 Mar 2010 00:37:00 GMT, 5,029 bytes, 9 Answer
• number of decimal places
• Hi,Is there any way to output a double value with different number ofdecimal places (apart from using 'sprintf'). I looked up the referencefor C++ streams and found the 'setprecision' manipulator, but this setsthe number of digits before and after the decimal point. I can...
• shez, Thurs, 04 Mar 2010 21:48:00 GMT, 433 bytes, 3 Answer
• [COMMERCIAL] Help required - www.progforent.com
• Assembler, ANSI C, C++ (MFC included), Pascal (FPC), Java....
• ksswzza_gmail, Wed, 03 Mar 2010 10:25:00 GMT, 58 bytes
• Exception-Free Programming
• Andy Robinson wrote:> If we assume that every programmer is a conscientious genius then it> doesn't matter whether we use exceptions or status codes. But if we> relax this requirement then my view is that exceptions are harder to> use correctly.Let's say we have std::string...
• old_wolf, Tues, 02 Mar 2010 10:13:00 GMT, 1,452 bytes
• problem when write DLL in VC fro use VB
• Hi everybodyI wrote dll in VC for use VB.When i built dll with set active project configuration=release and call it in VB the result is not correct.But bult it with set active project configuration=debug the result is correct.Can you help me ?Thanks...
• hungtt, Mon, 01 Mar 2010 18:09:00 GMT, 274 bytes, 4 Answer
• pure virtual method called
• Hello,When i run a program in linux, i am getting an error "pure virtual method called". I am creating object of a derived class and assigning to a derived class pointer and calling a virtual function added in derived class.Also the function is not "pure virtual" as I have a function definiton.Can s...
• bobypthomas, Sun, 28 Feb 2010 12:44:00 GMT, 391 bytes, 7 Answer
• Help needed for Trace mechanism for function calls
• Hello,I have a requiremnt to put a trace in all my functions whenexecution enter in the function and also when execution exist from it.I saw some samples to do the samefor eg. Hereis the current method I am using.///////////////////////////////////////////////////////////////////////////////////...
• tojo_thats_me, Sat, 27 Feb 2010 21:28:00 GMT, 1,691 bytes, 4 Answer
• unionists versus separatists
• C programmers appear to be divided into two camps:1. unionists who want to draw C and C++ closer together and2. separatist who want draw C farther away from C++.Radical separatist write C codes that C++ compilers won't accept.Radical unionists insist that C will eventually adoptall of the s...
• e_roberttisdale, Sat, 27 Feb 2010 11:51:00 GMT, 497 bytes, 26 Answer
• string question
• What would be a quick and efficient way to search a vector of strings which contain a certain string at their beginning?Hard to explain in words, so let me give an example:std::vector<std::string> vStringVector;vStringVector.push_back("Dog Cat Pig");vStringVector.push_back("Dog Cat Pig Horse")...
• mrdoommaster, Sat, 27 Feb 2010 11:06:00 GMT, 1,750 bytes, 3 Answer
• explicit constructors
• Is there any point to the use of explicit in the following code?class IAbstract;class CMyClass{explicit CMyClass( IAbstract * pInterface );};Does explicit prevent CMyClass being constructed from a class that isderived from IAbstract? Could this point to a design flaw?Thanks in advance,- Ash...
• ashok, Sat, 27 Feb 2010 10:08:00 GMT, 576 bytes, 9 Answer
• how can operator new overrun memory?!
• I am running bounds checker on my dll and it keeps telling me that anew operator I am executing is"Overrun Detected During Execution: In block 0x0A696010 (720) allocatedby global_operator_new."How on earth does new overwrite memory? I don't ever supply the newoperator with memory to step on...
• sideswipe, Sat, 27 Feb 2010 09:24:00 GMT, 1,008 bytes, 3 Answer
• HCL interview questions can any one say solution for it
• Have an array it contain number random Ex: arr[6] ={43,66,54,2,65,75};There sum in 304, so suddenly one element will become zero how to findwhich element has become zero and we have to find the address also....
• sandeep, Sat, 27 Feb 2010 09:13:00 GMT, 220 bytes, 9 Answer
• very important for your life...
• Hi thereThank you for reading this message .Did you here about Islam? I mean the real IslamDo you have some questions in your religion and you don't have theanswers for them?Do you know that you have to condemns in Islam? just visit these sites, read and download any thing you wantfor free...
• asm, Fri, 26 Feb 2010 11:36:00 GMT, 1,726 bytes
• namespace is not visible in a class?
• I include 2 headers: the first defines some namespace A and the second defines class B which contains some member instances of classes defined in namespace A.header1:namespace A{ class C {};};header2:class B{ A::C c_instance;};Why does the compiler complain during compilation of header2 that A i...
• therealremi, Fri, 26 Feb 2010 08:33:00 GMT, 408 bytes, 3 Answer
• How do linkers work?
• Richard Heathfield wrote:jacob navia said:This is better for the "image" of your gang.What gang?The gang with the power.(What power?)The power of voodoo(Who do?)You do, you do(Do what?)You lead a gang.(What gang?)The gang with the power.(What power?)The power of voodoo(Who do?)You do, you do(Do...
• pete, Tues, 23 Feb 2010 07:19:00 GMT, 581 bytes
• Algorithm Challenge
• here is an array A[1 to n] of numbers. You need to find the minindex i such that A[ i ] + A[ j ] = M , where M is a given constantand i < j <= n. The complexity of the algo shd be O(n).Can anyone please tell me the idea ?Thank You,...
• raja, Tues, 23 Feb 2010 05:24:00 GMT, 261 bytes, 4 Answer
• Any good articles on the ".NET" of visual C++ without the marketing foofoo crap?
• I looked for new books but they are just visual c++ 6.0 with a paragraph or two tacked on the end.I then went to MSDN and every .NET overview seemed to be a dreamy flash animation of blocks showing happy users flowing into web sites built in .NET...Aarrgh. Best that I can find are a few (two I thin...
• doug_dyer, Tues, 23 Feb 2010 04:27:00 GMT, 724 bytes, 2 Answer
• Doubt: Regarding pointer addition
• Hi,I have a doubt in the following code:struct xyz{int x;long l;float f;};int main(){struct xyz xy;unsigned int i = (&xy + 1)- &xy;printf( "%u \n",i);return 0;}In the above example &xy cancels each other and the code returns a 1.My question is :I feel this should give the difference in...
• reji_thomas_symantec, Mon, 22 Feb 2010 18:21:00 GMT, 663 bytes, 5 Answer
• custom iterator for multiple arrays
• Hey allI have a base class that manages (Manager_class) different shapes.It has different arrays of Circle_class, Square_class and etc etc.All the shapes have a common base class Shape_classWhat I want do is a for_each for every Shape_class in Manager_classusing std::for_each.I guess I would to...
• raj, Mon, 22 Feb 2010 16:31:00 GMT, 593 bytes
• «««996499659966996799689969997099719972