Beginners - July 2012 (Page 50)

pointer to class problem
 
I have a class Dog, and another class template Cat. In Dog's constructor I pass a pointer to a Cat<char> object. I then use the pointer with the -> operator, bu...
Jul 3, 2012 at 10:17am
[1 reply] : It looks like you are using the Cat<char> object instead of the pointe... (by Peter87)
Checking for messages sent over TCP using boost
 
Hello, I'm trying to make a server program using boost asio and boost serialization. The client is sending object-based messages. What this piece of code is sup...
Jul 3, 2012 at 10:11am
[2 replies] Last: Ah, I think I didn't really catch the asynchronous part I think, I'll ... (by Werner2)
by dert45
Segmentation Fault with a matrix class
 
Hi everyone. I am writing a program using dynamic 2D arrays to manipulate matrices. I am currently overloading the operators and I am getting segmentation fault...
Jul 3, 2012 at 9:35am
[3 replies] Last: That's good. Let's take a look at operator+. // you pass by value, ... (by kbw)
switch case vs if else
 
if we compare this codes..... #include<stdio.h> int main() { int x; printf("enter a number under 3 : "); scanf("%d",&x); if(x==1...
Jul 3, 2012 at 9:04am
[6 replies] Last: Thanks everyone for helping. (by time to c)
by alan91
Program using Nested For Loops
 
How to write a program using nested for loop to display the following output: 0 * * 0 1 2 * * * * 0 1 2 3 4 * * * * * * * * * *
Jul 3, 2012 at 8:22am
[3 replies] Last: this is what i have, but understand anything #include <iostream> usi... (by alan91)
getchar () and EOF
 
#include<stdio.h> #include<conio.h> main() { int nc; for (nc = 0; getchar() != EOF; ++nc) ; printf("%...
Jul 3, 2012 at 7:47am
[3 replies] Last: ... try Ctrl-Z. (by Catfish2)
New with C++
 
Good morning guys, I just recently started learning C++ and was hoping to make small programs with GUI... I already tried Visual Basics 2010 but people sa...
Jul 3, 2012 at 6:59am
[7 replies] Last: API = Application Programming Interface. You can think of it as a l... (by LimitBreaker15)
int and char
 
#include<stdio.h> #include<conio.h> main() { char c='amsdlsn'; printf("%c",c); getch(); } output: n Q.1why is it that whatever i take the ...
Jul 3, 2012 at 6:47am
[4 replies] Last: q1..yeah but why is it that last digit is output and not any other? q2... (by vgoel38)
Weird sf::Sprite movement
 
I've been messing around with the input on SFML, and ran into this weird bug. Not sure what's going on. I have an idea, but not sure how to deal with it, and if...
Jul 3, 2012 at 6:27am
[8 replies] Last: use speed*App.GetFrameTime() and your problems are solved (by gelatine)
2- Dimensional Arrays for grading
 
Good Afternoon, I'm having trouble with a assignment that deals with 2-Dimensional Arrays that should output the letter grade for every students from an inp...
Jul 3, 2012 at 5:32am
[5 replies] Last: Did you check what I said? You have scores declared as a one dimensio... (by fg109)
calculate post fix equation
 
this is my input and i get the correct output for post fix , i get this really large number for the out of it and i dont know why. Enter the damn infix expre...
Jul 3, 2012 at 4:27am
[no replies]
For the newbies: new input algorithm
 
I have created a new input algorithm for my "passwords and accounts" program that i thought was worth sharing. It uses 2 variables: a character and a string to...
Jul 3, 2012 at 3:36am
[10 replies] Last: @ fg100 OH! I get you. intresting. @ne555 I wrote cl() as function... (by IWishIKnew)
converting char to an int
 
so iv been doing alot of looking on how to do this i see atoi alot but just donst seem to work form me bool ope(char op) { if (op=='+' || op=='-' |...
Jul 3, 2012 at 3:35am
[4 replies] Last: you can use atoi by passing the address because it expects a pointer: ... (by wanher3)
stack problem
 
so getting the sum of a postfix equation , im using push and pop until the whole string is gone thru, when it should be done i should have one value left, i wan...
Jul 3, 2012 at 3:33am
[no replies]
by khulme
do while loop using a for statement
 
The program compiles and runs, but errors out at the beginning of the do-while loop. Any suggestions are greatly appreciated. It's possible it's the combinati...
Jul 3, 2012 at 3:16am
[3 replies] Last: i think i got it. let me know if you have suggestions. // more_fu... (by khulme)
lots of questions about this file
 
Hi, I'm a beginner at c++, and really stupid at it. I have so many questions about this file, tried my best to google answers but still really can't figure them...
Jul 3, 2012 at 2:44am
[11 replies] Last: I finally managed to do it. Thanks a lot still! (by bluebell09)
Smallest integer
 
I am attempting to find the smallest integer from an undetermined amount of integers... the logic of my code does not work (it does not know which integer is sm...
Jul 3, 2012 at 2:21am
[5 replies] Last: oh wow... thank you... i feel stupid now... (by nothing3)
error: invalid conversion from `char' to `const char*'
 
im new to c++ im having a problem comparing strings i want it to return true or false code: bool ope(string op) { if (op=="+" || op=="-" || op=="/" |...
Jul 3, 2012 at 2:10am
[2 replies] Last: thx! (by bfox2269)
Two questions in one (computing pi)
 
I finished a program recently that simply computes the value of pi up to about 5 decimal places. The program does what it's supposed to do....almost. However, a...
Jul 3, 2012 at 2:07am
[14 replies] Last: ah i get it now...i think that should do it..thanks to everyone (by algoRichard)
Is there any way to count numbers
 
I have to make a program that displays any number that the user enters backwards. So far I have only come up with a way to display a predetermined amount of cha...
Jul 3, 2012 at 12:43am
[8 replies] Last: This definitely was a major help. I'm still a little cloudy on the /=... (by Phil123)
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