General C++ Programming - C++ Forum - September 2016 (Page 15)

int& fun() { static int i{ 100 }; return i; } if multiple thread call fun simultaneously, 'i' will be initialized more than one time?

[2 replies] Last: thanks! (by Wu zhen hai)

by robmoore675

Variables not working in conditional statements?

int main() { int example = 0; int condition; cout << "Type your choice.\n"; cin >> condition; cout << endl; if (condition = 1) { ...

[4 replies] Last: -= will subtract whatever it is that is on the right hand side, so ... (by JayhawkZombie)

by Sylvagon

How to store bitset in a vector, or convert it to int?

I have code that converts a string into binary, but I want to be able to store that binary code in a vector, but of course I can only store ints in a vector. Ho...

[no replies]

by CopaceticCoffee

Help Counting Printed Numbers

Hey everyone, I need some help with this homework assignment. I have to write a program that prints all of the prime numbers from 2 to 100,000 and prints the nu...

[1 reply] : int totalPrimes=0; When you determine a number is prime totalPrim... (by SamuelAdams)

by wh1t3crayon

Writing to file causing weird characters to appear at end.

I'm trying to write a string to an empty file. The string is succesfully written, but what confuses me is why the program adds hundreds of weird characters to t...

[1 reply] : Don't ever reuse a fstream object when it has already completed its j... (by jlb)

by closed account L8boLyTq

i don't have idea who write this, anyone can a help me

You should do a program from a character array allocated with new simulate the behavior of the operating system when the above functions are invoked. To this mu...

[no replies]

by SilentP

need help with inline assembly

Hello guys I hope you can help me on this one! Im having an issue when I want to push callm1 char callm1 ={'1','7','4','7','F','1','F','2','8','B','C', ...

[1 reply] : Push the elements one by one: _asm { lea esi,callm1 mov e... (by skaa)

by ssoffel

isspace & isdigit explict call

The below program deletes all whitespace from the string array. I was having problems with the isspace function. After googling my issue i came up with 2 soluti...

[no replies]

by adbharad

Opening .txt file

here is the code i wrote i am not sure whats wrong but the contxs.txt file its not opening. The code the just skips to end from the part where i am trying to r...

[6 replies] Last: turns out i placed the file in wrong folder. Thanks guys!!! (by adbharad)

by Tomheza

Difficult exercise

Hey guys! Could you give me some tips on this reddit 3 easy challenge. Welcome to cipher day! write a program that can encrypt texts with an alphabetical c...

[9 replies] Last: glad I could help (by shadder)

by SilentP

How is this possible

<; Exported entry 1. posRegisterApplicationWithPackage ; Exported entry 2. posUnregisterApplication ; Exported entry 3. posInstantiateObject ; Exported...

[no replies]

by AceK

Can you compile a 64-bit app with MingW?

Hi guys, This may sound stupid but I am curious, can one compile a 64-bit app with a MingW 32-bit compiler. I've been told that MingW doesn't support the com...

[1 reply] : Mingw-w64 http://mingw-w64.org/doku.php Two MinGW builds based on Min... (by JLBorges)

by Dkob1

Main

class State { public: State (string stateName); // initialize with the given state’s information int getPopulation(); // return the state’s populatio...

[1 reply] : To compile your main function, you just need what you have above; it... (by MikeyBoy)

by caesarmier

HW HELP PLEASE!

I am stuck on this assignment. Any help is greatly appreciated. Thanks in advance ////////////////////////////////////////////////////////////////////// cla...

[2 replies] Last: The teacher neglects to mention the copy assignment operator. A modern... (by keskiverto)

by jlmccart01

(Homework Problem) Text based adventure game using While loop, but don't completely understand why it's not working.

So I have been working on my intro to programming assignment and got to this problem where we must create an adventure game with three options all text-based. T...

[10 replies] Last: I would use integers instead of 'a','b','c'..... Because you can find ... (by shadder)

by Nyapp

ifstream gives unexpected output

So here's the class I'm having trouble with (I'm mainly talking about the loadlevel and access functions, but i've included the whole class just in case): cla...

[5 replies] Last: You can do what ocreus suggested with std::istreams: uint32_t i; str... (by helios)

by bozmin

Problem to execute

hey every body. I keep getting this error message when I compile my code: UserClass.cpp:78:32: error: unexpected type name 'string': expected expression ...

[7 replies] Last: UserClass.cpp lines 8-10: You have declared two constructors and a de... (by AbstractionAnon)

by O26rus

Please explain what this function does?

int function(int n) { static int i, j; for(i = 0, j = 0; i < 13; i++) { j += (n>>i)&1; } return j; } . . . int i=0; fo...

[3 replies] Last: Technically, just the number of bits with value=1 in the least signifi... (by doug4)

by Roson

how do i display numbers in graphics mode?

I'm currently making a program where i need to show the scores at the top right screen. But the thing is I'm using graphics and I cannot use outttextxy(x,y,numb...

[4 replies] Last: With itoa it's quite simple: int num = 32; char buffer = {0}; itoa(... (by Thomas1965)

by technologist

unwanted numbers in object member

In this code I pass object 'monster' as parameter through function 'connect _frags': connect_frags(monster). There it calls a function 'printMonsterName' which ...

[3 replies] Last: Adding the type to function helped. Removing the 'cout' to cout<<monst... (by technologist)

C++

Forum

General C++ Programming - September 2016 (Page 15)