Beginners - C++ Forum - February 2011 (Page 10)

Strange overload behavior for << operator

if have : myclass& operator << (std::string data); myclass& operator << (bool data); Ok I dont know what can be happen, but myclass<<"hello"; is proce...

[1 reply] : It's a pointer to char, pointers can be implicitly casted to bools. A... (by Bazzy)

by tonnot

My operator << cannot do nested actions

I explain it: I have : myclass<<"hello"<<"again"; or myclass<<"hello"<<int_value; My compiler says me : error: void value not ignored as it ought to...

[2 replies] Last: OK ! I solved it. For everybody who needs it : MYCLASS& MYCLASS::... (by tonnot)

by trevex

FuncPointer doesn't work

Hi everybody, I am in first year at uni and need to do a little c++ app... The problem is I have a Event Class: typedef void (*FuncDownPtr)(void); type...

[2 replies] Last: Thanks, helped alot! It's working now. (by trevex)

by gatmalice

Passing structures to a function

I'm really lost on how to pass my structure to a function. Basically I have the listed structures, and I need to pass them to a function for conversion. Can ...

[1 reply] : The first error is pointing to the argument list on line 51. Your fir... (by closed account zb0S216C)

by chipp

fstream

i've tried using this code: #include <iostream> #include <fstream> #include <string> #include <conio.h> using namespace std; int main () { string c...

[9 replies] Last: from the Linux Programmer's Manual The use of EXIT_SUCCESS and EXIT_FA... (by ne555)

by gatmalice

Different variable types in same array?

I'm trying to program an array that will store the latitude and longitude of a coordinate. Is it possible to store the N/S component and degrees in the same ...

[3 replies] Last: Update - moved to a different thread. Thanks for your help Bazzy! (by gatmalice)

by papawolf

Yrobot problem

hi everyone as u can see im new tp this forum and c++ i hae a litle problem with a yahoo autoresponse tool. this was not created by me, the original codewas ...

[1 reply] : Is this related to C++ in any way? (by Bazzy)

by alexanderswang

system("pause") won't work for me

error: 'system' was not declared in this scope I don't know why, please help me, thank you in advance. PS: I use Code::Blocks10.05, what do you guys use...

[10 replies] Last: SYSTEM() does not exists as function and Windows commands are not case... (by Bazzy)

by jfiore

fatal error LNK1104: cannot open file

I have been having a crazy problem since I started using visual C++. nomatter what my code is, occasionally when I make changes and try to rebuild, I get the e...

[7 replies] Last: probably there's something incomplete with your instalation process. ... (by chipp)

by bskopljak

UDP client code switch to win32 console application

I am new to c++ and I am trying to send some data from UDP client to the socket and later take down that data in Matlab. I have downloaded some c++ code for vis...

[no replies]

by ts1000

error problem

no syntax errorsbut it shows up false everytime no matter what #include <iostream> using namespace std; // password int main() { char fName ; ch...

[8 replies] Last: @filipe: Sorry, got it fixed. (by alexanderswang)

by mainframe639

Structured Programming

I've tried to run this code but my compiler said "undefined reference to addition(int, int) This is the first time I tried to run a program from different cp...

[4 replies] Last: How are you compiling? If you have an IDE it should do everything fo... (by Bazzy)

by tonnot

With a char buffer from file, must I work with it with c (not c++)?

I want to do something with the buffer related to extract 'string' data. If I dont want to duplicate memory resources, Must I to work with it using c? (not c+...

[1 reply] : Um, I'm a bit confused on your request, but are you looking for someth... (by Cuddly Kittens 11)

by digdigdig

Using strings with scanf problem

I'm trying to use the scanf function to assign a user inputted string to a variable called run. Here's my int main() as that's where the problem lies: int...

[2 replies] Last: run is already a pointer (the name of an array converts to a pointer t... (by filipe)

by ts1000

parameters for random

i know when you put random there is no parameters but say i want it to pick 6 random numbers between 1 - 100 how would i do that?

[3 replies] Last: @empress: that's not standard C++. There is no iostream.h header in C... (by PanGalactic)

by thecrrrg

me again, tad confused with reading from a file?

okay in my program atm, it can create a txt file, i now want to be able to read from it and then later on edit it, but all i want to know is how to read from it...

[4 replies] Last: yep works thanks to myfile.getline ( name1, 80 ); :) (by thecrrrg)

by tonnot

Mybuffer is char , to analize it I have to use cstring or c++ string functions?

I have read from a file a char * MyBuffer (supose 65536 chars) I must to use only cstring functions to analize it to tokenize ?(using some conditions) or is it...

[1 reply] : You're probably expected to use strtok(). strtok() modifies the buf... (by kbw)

by tonnot

A Char * var used with math operators... what is ?

From c++ tutorial : char str = "This is a sample string"; char * pch; pch=strrchr(str,'s'); cout<<pch; --- string cout<<str; ...

[1 reply] : Both str and pch are actually pointers to char. Pointers to chars are... (by Bazzy)

by Caesar1

Text Document

I want to create a text document program where I can store info in the text document and recall text I have put into a document already. However, I don't know ...

[3 replies] Last: The errors in bolded lines are because fstream constructors take char*... (by hamsterman)

by ElectricClam148

Calendar Program

I'm writing a calendar program that ask for the the number of the month and the year and displays a calendar. My problem is that when it tries to print the cale...

[7 replies] Last: That may be because in daysMonth() and display() in your ifs you use =... (by hamsterman)

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Beginners - February 2011 (Page 10)