General C++ Programming - C++ Forum - January 2017 (Page 6)

by Yany

How to send data to a POS Printer via USB

I need to send a string or char to a "POS Receipt Printer" via USB. My problem is how to establ...

[2 replies] Last: Thank you Thomas. It worked! This link was the key! The whole day prow... (by Yany)

by JMerit

Help with ShellExecute to open program

Hi all. Fairly new to C++ first off. So I wrote a program that has a main menu with several calcul...

[6 replies] Last: Is there a way to assign the file path from the code you posted to a... (by Thomas1965)

by cppppc

SFML issues??

#include<iostream> #include <SFML/Graphics.hpp> using namespace std; int main() { // Mak...

[7 replies] Last: Thanks a lot to all! (by cppppc)

by ttiimm13

question about class and mutators

Are you able to write a function that calls all mutators in a class. so say I write a function calle...

[1 reply] : You could but it'd just be the overloaded ctor in disguise: #include... (by gunnerfunner)

by Josd32

Changing The Color Of A Bouncing Ball

I'm Just trying to make it so that when the ball bounces off the walls it will change colors based o...

[1 reply] : SetBkColor does not work like this. This function fills the gaps bet... (by Thomas1965)

by TinyTertle

Strange output format error

This is pretty straight forward... My output code: //test_set is a string containing everything ...

[5 replies] Last: Ok - in effect the tab character was part of the program input - in t... (by Chervil)

by spark1313

C++ Writing Binary Dump and Writing to Binary from Dump

I am stumped and need some assistance. In one of my programs, I am implementing some code so that I ...

[3 replies] Last: A solution has been implemented and I am posting if anyone needs the h... (by spark1313)

by jathavedhan

Element Searching Easiest

#include<iostream.h> #include<conio.h> void main() { int n,h ,s,i; cout<<"E...

[1 reply] : cout<<"Element Not Found!!!!!"; is in the wrong place - it should be... (by Chervil)

by TinyTertle

How to access map key and mapped types

Lets say, for example, I want to make a "get()" function for a map outside of the map class (for som...

[3 replies] Last: Well that was pretty dumb of me. Also... aren't you simply re-impleme... (by TinyTertle)

by henryhung

Mean and Standard Deviation

Recently i'm working on Mean and standard Deviation program, my question is how can i move the for l...

[5 replies] Last: Your function declaration/prototype parameters don't match your functi... (by integralfx)

by user42

c++ program need help strings (1,2)

hi i am a beginner and we just started learning about strings. i am supposed to write a program that...

[20 replies] Last: Because when you input something (I have a feeling it's only in char a... (by Troaat)

by PimentaJoao

Keyboard input simulator

Hi! I am having trouble finding information on how to create "simulations" of keyboard inputs. For e...

[1 reply] : On Linux and maybe Apple stuff, look into xdotool . On Windows, loo... (by mbozzi)

by DragonOsman

Chapter 4 Exercise 4 in PPP 2 Number-Guessing Game

I tried to do it using binary search, but I don't know how to get it to continue asking questions to...

[4 replies] Last: Your 'middle' variable never goes above 51, and the program guesses th... (by mrgh05t)

by VTBear

C++ Assign Seating Chart Array

Hello Everyone, Looking for some assistance with my code. I was able to get the initial code to all...

[3 replies] Last: Your code seems to be working pretty well, though it could be tidied u... (by Chervil)

by VTBear

C++ book assignment

So This is what I have so far, and it compiles and runs, but it messes up after the second isbn unde...

[1 reply] : Your input file format is not accurate - there is a stray 5 on the fir... (by gunnerfunner)

by akshayhigh

Template Code Instantiation

Hi , I have a below Template based code in List.h file : I have pasted the important template c...

[4 replies] Last: Thanks a lot , commenting the code block in List.c file in Linux pla... (by akshayhigh)

by nefidrntes

Files , not compiling , any suggestions ?

#include <iostream> #include <string> #include <fstream> using namespace std; struct Record { st...

[2 replies] Last: // Error! You can't return `count` from a function that returns nothi... (by mbozzi)

by Putarda

How to determine if 2 points in 2D space make right triangle?

So I'm making calculateDistance function and I don't know how to determine if two points of an objec...

[3 replies] Last: Assuming the third point is the origin -- take the inner product of th... (by mbozzi)

by Thunderchook

\n attached to final string in delimited getline?

Hi, Trying to read in from a file, using delimited getline. Using the following: string item;...

[9 replies] Last: Ah-hah! A simple, stupid mistake on my part! Many thanks! Currently ... (by Thunderchook)

by ssoffel

Recommend a text book on Templates

I'm looking for a recommendation for a good text book or online class that can teach me the power of...

[1 reply] : Classic (2002): 'C++ Templates: The Complete Guide' by Josuttis and Va... (by JLBorges)

General C++ Programming - January 2017 (Page 6)

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