Beginners - C++ Forum - February 2009 (Page 21)

strlen(), series evaluation, and for loops

basically, this is what i have to do: In case 1 for the switch (b) print a blank line, a line with the message:"Part I:" and a blank line. © Prompt the us...

[5 replies] Last: I really can't see, what you are doing in part two... did you get the ... (by mordekai)

by erratiC

Template issues

Hi everyone... here's my issue... This generic function is in Driver.cpp: #include "Driver.h" double Driver::average(const vector<T>& num) { ...

[4 replies] Last: Thanks again for all your help helios... You're explanation helped... (by erratiC)

by Ganellon

Character Count != Character Count

I had to write a program to count characters in a file. Here's the working bit of that: while(infile.good()) { inchar = infile.get(); ++counter; } ...

[4 replies] Last: Ok, cool. Thanks for the clarification! (by seymore15074)

by joltting

switch statment looping non-stop

Hello C++ members, I'm having a tough time with this switch statement of mine. You see when someone presses a letter instead of a number the program flips ou...

[1 reply] : How about you start by replacing that recursive call with a loop? Wha... (by helios)

by ozan

Once again a Pointer

Hi, I need 3 dimensional array but with this(code given below) format, This is for 2 dimensional. double **PDB; double PDB = new double* ; // if N is ro...

[1 reply] : Normally when you start getting lots of dimensions you may want to ret... (by anders43)

by shadowfire36

eror c2075-wont go away

im doing this example project, but i cant seem to figure out why visual studio 2008 keeps giving me error C2075-'Target of operator new()' : array initializatio...

[2 replies] Last: You could do this, though: Foo **f=new Foo* ; for (int i=0;i<n;i+... (by helios)

by dman

Which implementation of this code is safe?

Char and Charw are my typedefs of the irrlicht types "irr::core::wchar_t" and "c8(char)" Charw* temp2 = Char2Charw((Char*)text.c_str()); . . delete temp...

[3 replies] Last: does this re-cast create a new instance No. should i delete temp ... (by helios)

by Jaymie

Memory Reallocation

I have an array to a set size however I need the array size to change accordingly in Run-Time whilst keeping the previous array information. This can be done wi...

[1 reply] : Use std::vector. http://www.cplusplus.com/reference/stl/vector/ ... (by jsmith)

by Samerious

Vectors and Random Number Assign

vector<int> group1r; vector<string> group1; for(cnt=0;cnt<20;cnt++) { // Beggining of for loop group1r.push_back ((rand() % group1.size()...

[5 replies] Last: Just split it up to debug it. cout the results of the expression brok... (by seymore15074)

by Brad T

Dynamic arrays

Say I have an array with 5 "indexes": int array ; How can I turn that into a array later in the program without deleting what is already stored in the...

[3 replies] Last: You need to start off allocating your array dynamically. int siz... (by psault)

by tukuniata

problems with class and vector

hi again every body i really don't know how it is hard for me to compile and run those problem that i think i understand. i have this code in my .hh file ...

[2 replies] Last: thanks man i did see that one (by tukuniata)

by appleseed

Function problem

#include<iostream.h> int function2.7(int a,int b) {int i=1;int power=1; power=power*a; cout<<"power="<<power; i+=i; cout<<"i="<<i; ...

[3 replies] Last: VC6 is old. Sorry, forgot to mention that a return statement would ... (by closed account z05DSL3A)

by ozan

pointer problem.

Hi, I am confused about pointer issue. #include <iostream> #include <limits> using namespace std; int main() { double *Pdb; Pdb = new dou...

[4 replies] Last: Thanks mordekai (by ozan)

by emredost

FUNCTION

/*To find how many smilar numbers in array and which is it and To find sum of numbers in array by using functions*/ #include<iostream> int findsmilarnumber...

[2 replies] Last: for ( int i=0; i<count; i++ ) { for ( int j=0; j<count; j++ ) { i... (by djlethal109)

by jadmacro

when reading data from a binary file into a structure, where does the data go?

Well for school I have a programming project to do. The program has to read in data from a binary file and then output it to look like this: ...

[5 replies] Last: Thanks for all the help helios. I now understand what you're saying. ... (by jadmacro)

by closed account 42hU7k9E

setcolor() fucntion

Where can i get a table or smth. so that i can know which color and which background will the program output? Thank you.

[1 reply] : 'setcolor()' is not a C++ function, it's part of the runtime for a par... (by anders43)

by joltting

error C2664

I'm having trouble with this part of my code and I don't know why. Maybe one of you guys could help me? void Stats::displayStats(int *aPlayer) { if(aPlay...

[3 replies] Last: Hey helios, you submited ate the same minute as me..... (by tluisrs)

by Brad T

myfile.write() not working

I have a file that is open for both writing and reading using fstream. However when I use myfile<<"text"; or myfile.write(); nothing happens with the file. ...

[1 reply] : Did you confirm that the file was actually opened (if (!myfile) then t... (by helios)

by pajo

winbgim.h

I have some problems when i try to set solor for an object for example: The following section of code should draw rectangle with a border of black and interior...

[3 replies] Last: ok thanks mate this was realy helpful!! (by pajo)

by emredost

i couldnt compile this fuction what is wrong???

/*To find how many smilar numbers in array and which is it and To find sum of numbers in array by using functions*/ #include<iostream> int findsmilarnumber...

[1 reply] : First: You need to do one of the following: Place "using namespace s... (by QWERTYman)

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Beginners - February 2009 (Page 21)