amt_muk

Hello, Please help me to overcome the following confussion. Suppose I have created an array of pointers like, A** l_aAPtr = new A*[l_iTotal]; for(int i = 0; i<l_iTotal;i++) { l_aAPtr[i] = new A(); } Now I want to delete this array. Please advise which of the following way is correct …

I have a question. I am trying to sere into my brain how pointers work and just when I think I got it a new problem arises. So I think I understand pointers pretty good when working with primitives and such. Now I am trying to understand working with objects …

Hi friends, In Windows if we create an exe with MSVC6.0 a corresponding ".lib" file is generated. This file can be used for accessing (linking) the classes defined within that exe from some outside libraries (dll). Now in unix platform (ie, Red Hat Linux), how can we use that technique. …

Hello, Is there any utility which can generate sequence diagram from existing C++ source code? Thanx in advanced. Amitendra Mukherjee

Hello, I was trying to make a client-server application using java orb. Server was fetching data from database and passing them to client. The client was getting an exception for large numbers of rows (say, 50K). Jan 15, 2013 11:48:51 AM com.sun.corba.se.impl.transport.SocketOrChannelConnecti onImpl readFully WARNING: "IOP00410215: (COMM_FAILURE) Read of full …

Hello friends, I am evaluating Database connectivity from C++. I have found OTL(Oracle, Odbc and DB2-CLI Template Library ) from googling, which seems good for that purpose. Can you please provide me some inputs / feedback about OTL (or other suitable DB handling libraries). Also please inform, from where I …

Hello, Can you please suggest me some 3rd party C++ libraries like RogueWave SourcePro C++. Thanks in advance, Amit M.

Hello Friends, I am trying to porting an unix c++ program into windows using MSVC8.0 compiler. In my unix version there are some lines like [CODE] #include <sys/atomic.h> ... atomic_add_int_nv() ... [/CODE] Now, pls help me to find out the Win version of these code segments. Thanks, Amit

Hello friends, Suppose I want to write a dll file with MS-VC8.0 compiler. I need to add [B]__declspec(dllexport)[/B] for all of the functions which will be called from outside of that dll. Now my question is that whether it is possible to export all functions of that dll at a …

Hello Friends, I am trying to porting some pre-existing code to VC++ 2005 in Win XP environment. I have a segment of code like, [code] ... #include<fcntl.h> #include <sys/types.h> #include <sys/stat.h> ... ... cm_iFile = open(l_chBuff,O_RDONLY|O_BINARY); ... [/code] During compiling this file I am getting the following error message, [B]..\source\CRaterEDRFile.cpp(276) …

Hello friends, I am facing a linking problem in VC++8.0 compiler. Suppose I have a library, say A.dll. In this library I have a file, say x.cpp. Within this file there is a extern const variable, like [code] ..... __declspec( dllexport ) extern const long ERROR = 100; ..... [/code] …

I would like to know once and for all how to convert a double to a const char* I've tried it a few times, but have never succeeded, I know it can be done, but I haven't figured out how to yet. I've tried some different things. Sometimes it won't …

Hello Friendz, Suppose I have a program like [code] // A.cpp int main() { if(some_condition) return 1; return 0; } [/code] Now from another program I want to run the above program, like [code] //B.cpp int main() { ... ... system("A"); ... ... return 0; } [/code] Here how can …

Hi, Suppose I have a char*, which holds a string value. Now I want to print the address of that char*, not the string value. Pls help me in this problem. Amit

Hello friends, Is there any problem with "Zero-Length-String" in C/C++. Pls mention if there is any type of problem in standard string library-functions like strcpy, strcat, memcpy, etc. Thanx, Amit

Hello friends, Suppose I have a .doc file (MSWord). Now, how can I read that file using C++ console application, ie, not using MFC or any other visual components. Thanks, Amit

Hi What are the basic differences between the methods atol() and strtol()? Regards, Amit

I have these question and I need some help from you : Assume that the maximum number of students in a class is 50. Write a program that reads students' names followed by their test score from a file and outputs the following: a. class average b. Names of all …

Hello there, I recently need to use c++ to do a project, and I occur some problems, hoping can get some advices from here, many thanks! My project allow a user to input a number and i need to retrieve the data from a text file. My text file's data …

Hi friends, How can I get the time stamp of a file from C++ program. Amit

Hi friends, Can you pls tell me about "[B]explicit template instantiation[/B]". Suppose I have a simple program : 1. File : TClass.h [code] #ifndef CTCLASS_H #define CTCLASS_H template<class T> class CTClass { public: CTClass(T t1, T t2); ~CTClass(); T add(); private: T cm_T1; T cm_T2; }; template<class T> CTClass<T>::CTClass(T t1,T …

Hi Friends, Can any of you pls tell me (in detail) which of the following options will be faster? Option 1: [code] int fun() { if( !cm_aObject ) return -1; return cm_aObject->getNum(); } [/code] Option 2: [code] int fun() { try{ return cm_aObject->getNum(); }catch(...){ return -1; } } [/code] Thanx, …

Hello Friends, Suppose I have a function like - [code] void myFunc( char* str) { ....... ....... } [/code] And I have to pass a pointer of type "const char*" into that function. Now my question is that can I pass the pointer like following way (ie by custing it …

Hello friends, I'm trying to write a program to check the status of a process (specified by its process-id), ie, the process is presently running or not. Can you pls give me some idea to solve it? Thanks in advance. Amit

hi.. currently i have two image in my folder, how can i compare the two images for different based on the image pixel? or is there any other way which i could use to determined if the images are identical? (both images have the same size and resolution.) thus i …

hey guys i did this program and its not working it worked for a while and then stopped so would someone please tell me whats wrong with it cause i have to do it soon. #include <conio.h> #include <stdio.h> #include <stdlib.h> void main() { char sentence[50]; int vowel_a; int vowel_e; …

I'm new to the forum as I've been surfing around for some previously posted help, but I just can't find it. So if anyone can help it would be greatly appreciated. I'm new to C++ and programming in general and I'm compiling on Microsoft Visual Studio .Net 2003. For a …

Hi All I am relatively new to the C++ world . Facing some problem , while initializing an array of objects . Suppose i have a class Rectangle . I want to have a pointer to an array of objects to the class . How do i invoke the Class …

Hi All, I am facing a problem with new line character (\n). When I am initializing a string variable with a string having a new line character, e.g., [code] char str[20] = “Programming is \nfun

Hi everyone, i was hoping i could find some help here. I am trying to get settings i have written into a textfile to be put in an array. Here is what is in the txt file: 8 44100 1 2 1 I read the textfile with: pStream = new …