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I use apple's x code, my system is OS X 10.4.11 Im getting a warning you must be familiar: [CODE]"#ifdef __DEPRECATED #warning This file includes at least one deprecated or antiquated header. \ Please consider using one of the 32 headers found in section 17.4.1.2 of the \ C++ standard. … |
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In need of some help with a programming project which reads text from one file and places it in a 2nd file, which will be identical to the first file with the exception of any string of two or more consecutive blanks being replaced by a single space/blank, eliminating extra … |
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Hello Everybody I want to print the value of alternative element of a 2D array. For Example- 23, 54, 76 37, 19, 28 62, 13, 19 Output should be- 23 76 19 62 19 I am trying to get this output since 5 hours. Here is my code - #include … |
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I want to my program to prompt user to input a number with three or more integers I need the program to output a space between each numebr example: cin>>3334; i want the output to show 3 3 3 4 each with a space and then i also need to … |
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Hi, i have seen a lot of ppl say things like, 'this piece of code is more efficient than the other', 'this gives better performance' or 'more efficient memory wise' etc.. but i fail to understand that how in a normal coding scenario can i find out the efficiency of … |
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I have a project that uses DirectSound to play streaming sound. I use SetThreadpoolWait to get a threadpool callback every time the notification (AutoReset) events are signalled. (To fill the streaming buffer with more audio). The new Win7 threadpool API requires you to use SetThreadpoolWait to schedule a new wait … |
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Hi. I am new to the forum and I had a question. I have looked around and haven't really been able to find exactly what I am looking for. I am looking for the code in C++ to read in a random single line with spaces from a file. This … |
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At first, here's my source code: [code] #include <SDL.h> int main(int argc, char* argv[]) { //initialize SDL and the video system. if (SDL_Init( SDL_INIT_VIDEO)<0) return -1; //signal SDL to change the text of the main window to SDL "Hello World". SDL_WM_SetCaption("Hello world","Hello World"); //Create an SDL_Surface object, which represents, the … |
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Hi all, first thread in here. I usually don't open my executables with any sort of editor, but for the sake of curiosity I've tried opening one. And what I've found is not that funny: I've found myself able to edit every kind of string. Of course you have not … |
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I recently came accross this code: Mat3D R_z(double RotAngle) { const double S = sin (RotAngle); const double C = cos (RotAngle); Mat3D U; U.m_Mat[0][0] = +C; U.m_Mat[0][1] = +S; U.m_Mat[0][2] = 0.0; U.m_Mat[1][0] = -S; U.m_Mat[1][1] = +C; U.m_Mat[1][2] = 0.0; U.m_Mat[2][0] = 0.0; U.m_Mat[2][1] = 0.0; U.m_Mat[2][2] = … |
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Hi, I am trying to create a vector of a class which contains ofstream object as one of its member. The problem I am facing is that when I add single element to the vector, it work fine. As soon as I add another element to the vector, it changes … |
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Hello I'm a freshly new Graduate student of computer technology engineering, i'm interested in C++ as my first step into learning computer science, what books other than Bajarni books do you recommend, i don't like book that are 1000+ pages long, and prefer ones that are straight to the point … |
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#include <iostream> #include <string> #include <cmath> using namespace std; int main() { string Choice; string On, off; char a = 'A'; int i = 0, j= 0 , NUM = 2 , z = 1; cout << "Please enter 'start' to start the program\n"; cin >> On; if (On == … |
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import java.util.*; class occult { public static void main(String[] args){ int n = 2; for (int i = 0; ; i++){ if(Integer.toString(i).contains("666")){ if ( n == 1 ) System.out.println(i); n -= 1; } } } } I have written the above java code into c++ . i wanted to know … |
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Hi, Actually, I want to make one Singleton class which will create one instance for one thread. I mean if we have 10 threads, then Singleton will create only one object for one thread. IF same thread will ask for one more instance it will return the same instance. Basically, … |
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Hi all! I am working on creating an SMS language translator (SMS -> real English), and I am having trouble initializing a map for the SMS -> English codes. My code is below: map<string, string> THE_SMS_CODES{ ".02","Your (or my) two cents worth", "10X", "Thanks", "2MI","Too much information", "2U2" ,"To You … |
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In turbo c++,how can i copy a certain file from one drive to the other e.g,the file is located in G:\one ,i want to copy it to C:\tc the file name is "file.txt"...Much love |
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Does C++ have predefined text constants / string constant to be used as replacements for digits when testing errorcodes ? An example: if (errcode == 17){ std::cout << "The file already exists!" << std::endl; } To make it more readable I can write: if (errcode == FILE_ALREADY_EXISTS){ std::cout << "File … |
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I'm sorry I keep having these strange problems but there's little I can do about them, they are unpredictable. I managed to fix the last one and I've been able to compile and run my programs. Now however I've run in to the *strangest *of problems, the one described in … |
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Recently i have come up with the scenario where i need a single class to handle a few different interfaces and i have found a few different approaches to take. I was wondering if anyone has encountered the same situation and can give me any suggestion(s) as to if there … |
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#include<iostream> using namespace std; int add(int x,int y) { int ans=0; int carry=0; for(int i=0;i<=31;i++) { int p = (1<<i)&x; int q = (1<<i)&y; int r = p ^ q; r = r^(carry<<i); ans = r | ans; if(p&q || p&(carry<<i) || q&(carry<<i)) carry = 1; else carry =0; } … |
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Hello All; I want to display logs in the following format as below:- XY,1,1114,ABCDEF,d1744783-0681-4f0c-adee-83277f5e4b85:286,192.168.33.211\n where:- XY is servername. ABCDE:- UserName. I want to display this specific log from the multiple logs of different server with different name. How to do that using threads ?? |
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can anyone please explain different with vector::begin() and std::begin() ?? the code is based on the book, Effective Modern C++ item13. #include <iterator> #include <boost/type_index.hpp> using namespace boost::typeindex; #define PRINT_TYPENAME(__param) do { \ std::cout << "param (" << #__param << ") " \ << type_id_with_cvr<decltype(__param)>().pretty_name() \ << std::endl; \ } … |
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[QUOTE]Assume you have a int variable n that has already been declared and initialized. Its value is the number of integers that need to be read in from standard input and printed out in sorted (ascending) order, each on a line by itself. Furthermore, there are no duplicates in the … |
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When you want to remove extraneous characters from an input stream in C++, it's usually because you mixed formatted and unformatted input methods. The formatted method would leave a newline in the stream and the unformatted method would consume it and terminate successfully, but fail completely to do what you … |
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Hello everybody, I'm searching for a book or a documentation that includes all the librairies ,and their functions, of the C++ programming language. thx |
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If I (have to) use C/C++, I'm mostly working on time-critical or real-time applications. Examples are OpenGL texture Streaming (Example: Streaming Satalite Data on planet surface in realtime: https://www.youtube.com/watch?v=ws2ra5MvDi4) or real-time PSM audio maonpulation (Example: Automatic tuning a guitar to a C64= SID tremolo: http://www.yousry.de/audio-example-real-time-tune-detection-tuning-auto-tuning/). During development I'm using "**-O0 … |
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//Hi all,could someone explain the make_shared(), is it used to substitute constructor? //Here is an example void DoAddStaff(vector<Ptr>& container) { cout << "\nEnter type of employee to add ('W' for waged, 'S' for salaried): "; char c; cin >> c; cin.ignore(); if( c == 'w' || c == 'W' ) … |
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Here's the problem (i know it's really easy "it's for beginners") You will be given two numbers X and Y and you will have to define the relation between them. It can be one of the following relations : - X greater than Y. - X smaller than Y. - … |
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Hello there everybody... I want to ask if there is a book on creating C++ libraries. I thought a good approach to manipulating and using existing libraries is to learn the intracecies of creating and building them.. Any hints? Thanks. |