General C++ Programming - C++ Forum

Simple logical code vs logical simplicity

This is a simple code if(a==b) return true; else return false; I found out that this can also be written as return a==b; Although the second one is on...

[9 replies] Last: Consider the first example in the tutorial on functions: int addition... (by Chervil)

by pxcpp

VS2015 update 2 bug?

#include <iostream> struct ChangeMemoryStructure { int x = 5; }; struct Base { int id = 1; }; struct Derived : public ChangeMemoryStructu...

[6 replies] Last: OK I've reported it (by pxcpp)

by da peppester

Strictest Rules Possible Flags

I am using the GNU Mingw 5.3.0 g++.exe for my compiler. I am trying to make my c++ library as reliable as possible by trying to compile it with the most stricte...

[5 replies] Last: Hi, Here are some that are still not enabled when using -std=c++14 -... (by TheIdeasMan)

by closed account L1bXjE8b

Verify a certain number of command line arguments without using if statement

I would like to verify a certain number of command line arguments are given, but without using an if statement or similar. I want to change something like thi...

[3 replies] Last: You are wasting time. First, go and profile your program and show tha... (by Duthomhas)

by hidayat

Delete object in priority queue

Hi everyone, I have a priority queue containing pointers of rectangle, void g_markCells(int qID) { int ID = 0; priority_queue< gridRecord*, vect...

[no replies]

by JUAN DENT

How to convert a UNICODE string to ANSI

Hi, I have wchar_t wszMessage ; and need to return char const* Can somebody point me to the ways I can convert from wide strings above to nor...

[3 replies] Last: Thanks! Juan (by JUAN DENT)

by Vabi

not able to understand code

here is the code I am unable to understand, const int size=2; int main() { item *p=new item ; item *d=p; } can anyone please explain what is trying to do wi...

[2 replies] Last: item* p points to the first element of the new array created on the ... (by gedamial)

by BrowserUk

call _invalid_parameter_noinfo

Is there some way to prevent std::vector generating the subject calls? Crawling around in the headers, it looks like they are (may be?) produced conditionall...

[1 reply] : Turns out that setting #define _SECURE_SCL 0 #define _HAS_ITERATOR_D... (by BrowserUk)

by closed account L1bXjE8b

Changing loops to call generic functions

I am working with this code: #include <string> #include <iostream> #include <sstream> #include "minimax.h" #include <algorithm> #include <iterator>...

[7 replies] Last: The command line arguments in argv are null-terminated multibyte s... (by JLBorges)

by closed account L1bXjE8b

Access a private data member within output opearator

I am working with this implementation file: #include "section.h" #include <list> #include <iomanip> using namespace std; Section::Section () : theCallNumb...

[13 replies] Last: cire gave you the answer here: http://www.cplusplus.com/forum/gener... (by cire)

by PacR

Access address of class objects inside std::List.

#include <iostream> #include <list> using namespace std; list<void*> playerlist; class player { protected: void* id; public: player (...

[3 replies] Last: Thank you AbstractionAnon. (by PacR)

by jayrobneto

Funky tic-tac-toe

So, i have this game of tic tac toe: #include <stdio.h> #include <stdlib.h> #define flag 10 //esta funcao recebe uma matriz e a imprime na forma tabu...

[1 reply] : PLEASE USE CODE TAGS (the <> formatting button) when posting code. It... (by chicofeo)

by redempvfx

Assignament operator for a queue not working properly

I've been playing around with dynamic allocation and queue recently. Keep in mind that I am fairly new to data structures and I’ve been teaching myself by wat...

[2 replies] Last: well, I seem to have fixed my problem. (by redempvfx)

by gibbsy619

Why is my boolean function not working

Hi, Been stuck on this program for a long while now and can't get the boolean function to work, it keeps on returning false when it is true. #include <iostr...

[3 replies] Last: With or conditions, there is short circuiting: as soon as one of the c... (by TheIdeasMan)

by Gyiove

loop variable inside the loop question

Hello everyone, for(int i = 0) { for( int j = 0 ) { } } int i, j; for(i = 0) { for( j = 0 ) { } } 1. Should I be worried about d...

[3 replies] Last: Basic types can be allocated on the stack in zero time, so these two s... (by helios)

by gibbsy619

Boolean function not working

Hi, Anyone could spare the time to look at my program and see why the boolean goes straight to boolGood, can't fix it #include <iostream> using namesp...

[2 replies] Last: Thanks been stuck on it for ages (by gibbsy619)

by caldaba

Dental Records

Hi guys! I have this project at school that I need to make a program which is "Dental Records" I don't know how to make it cause i'm new in programming. It woul...

[2 replies] Last: Develop your programming skills first, your teacher should give you so... (by gibbsy619)

by n0thing17

Showing the buttons pressed in a GUI Application

Hello there, i have a program with 5 buttons: Abyssal Scepter -> Writes something into ChampionName-SummonersRift.txt Aegis of the Legion -> Same thing, differe...

[1 reply] : You have to catch the WM_XXXX Messages: http://stackoverflow.com/ques... (by closed account 48bpfSEw)

by Terribad13

Study guide

To mods: I am posting a friend's code online so that we can all study the material together on one website. Please do not delete! I appreciate it greatly. ...

[18 replies] Last: Even if they weren't aware of better alternatives, it's still an obvio... (by helios)

by homing

struct definition / declaration - style question

hey guys, I'm just curious how you guys would define & declare a struct which is only used by one class and others don't need to know about it. Right now i li...

[8 replies] Last: If the structure is a necessary part of the interface to the class, th... (by MikeyBoy)

C++

Forum

General C++ Programming - June 2016 (Page 10)