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General C++ Programming - September 2012 (Page 17)

Hello there, so I've created a code with STL list which works just fine Here is the code // here is main.h file #include <iostream> #include <iomanip> ...

[4 replies] Last: OH I spent 3 hours to fix it! I didn't know how small mistake it is! ... (by john22)

by gta100

Boolean variable calculation error?

Hello, everyone! I got really confused with the boolean results I got in my lines of code below, which states that 0||0 = 1. In my code, I have z = a||b, all of...

[5 replies] Last: Thank you! I see. You are right. I assumed that z is a sort of functio... (by gta100)

by nuju

Compound assignment within assignment

I came across this syntax in another person's C code: foo = (bar += 1); Is foo assigned the original or new (incremented) value of bar?

[1 reply] : foo would be assigned to the incremented value of bar if im correct (by Angeljruiz)

by Mister12345

Simulate keystroke in command prompt

Hi, I have a problem with simulation keystokes for the command prompt. I have tried SendInput (http://msdn.microsoft.com/en-us/library/windows/desktop/ms6463...

[4 replies] Last: Hi Andy, Thanks a lot!! It works perfect with CreateProcess and the... (by Mister12345)

by paulr162

Using push_back for vectors

Hi everyone, I am having some trouble trying to convert the main part of my program to use vectors. Previously, I was just using ostream and ifstream to pas...

[6 replies] Last: Right, but I also have PhoneEntry Phone declared when the program star... (by paulr162)

by amargupta

Launch SnippingTool.exe from c++ program

I want to run SnippingTool.exe from C++ program. I have Win7 64 bit system. Following code does not work: CString exe = _T("C:\\Windows\\system32\\SnippingTo...

[1 reply] : Maybe there is an issue with file system redirection used in x64 versi... (by modoran)

by dtaqee88

How come second picture blits ok, but not the first pic [SDL]

Hello. I am using SDL. I'm here because asking about SDL related stuff because responses on the SDL forum seem to take weeks and I am sure there are some her...

[4 replies] Last: Works! Just when I think I understand if/else's....Thanks sooo much! ... (by dtaqee88)

by Angeljruiz

Iterators

Hey everybody, I have 2 vectors - openList and closedList - Im trying to check if a item on the openList is on the closedList and if it is i need to delete it. ...

[4 replies] Last: JLBorges's comment about erasing after the debugmsg is also importan... (by Disch)

by ChosenTorture

Maximum Sub Array Problem Brute Force

Hey Everyone !! :) I wrote a program for finding the maximum sub array using brute force technique using two methods. The first one is: void FindMaxSubArray...

[2 replies] Last: Ohhh.....i didn't see that. My mistake. I got it....thanks !! :) (by ChosenTorture)

by Flurite

Left and right shifting bits

Lets say you had a byte that had bits with values like this: 01110011 and you shifted each bit to the right by 1. The result would look like this: 0011...

[3 replies] Last: Okay, thanks. (by Flurite)

by tejas1995

Books on Programming Algorithms

Hey Guys, I am trying to learn more about programming algorithms (the types used in programming competitions) and want to buy a well-rounded, comprehensive b...

[2 replies] Last: Data Structure and Algorithm analysis in C++ is a good book. Also, I ... (by MildewyTester)

by benjaminjrood

Cross Platform Socket Library

Hello everyone! I'm new to the forum but I have used this site for its extensive C++ documentation reference for a log time now. Anyways, I just wanted to sha...

[no replies]

by snipejawnkid7

solved.

...

[4 replies] Last: Whoops that was just a typo on my end with the double colon it still g... (by snipejawnkid7)

by Xyexs

Help with else if statement!

Hi! !'ve been having a problem regarding the else if statement... line 15:head suspect #include <iostream> #include <ctime> #include <string> int main() { ...

[5 replies] Last: giving up... the user will say 1,2 or 3 instead... ;( (by Xyexs)

by helpforc

Help with if else if and else statements

help, i keep getting errors with this piece of code, if (playerSword = "WoodenSword") { playerMoney = playerMoney - woodensword; cout <...

[4 replies] Last: It worked! Thank you so much for this! (by helpforc)

by tushicomeng

erase not working in set

struct setcomp { bool operator() (const int &i, const int &j) const { return (arr ->size <= arr ->size); } }; set<int, setcomp> v; I have...

[5 replies] Last: To be able to store multiple elements that compares equal you can use ... (by Peter87)

by jeckel7234

need help, student

Im taking my first comp science class and am having some trouble understanding c++ I'm going through some hw now and ive been stuck on this question for a wh...

[2 replies] Last: yea thats the entire question and sorry for not placing it in the begi... (by jeckel7234)

by elgo

Functions in headers

I'm learning C++, and I'm working on a project. In this project, I need to call functions inside functions to allow navigation on a square grid. I have my funct...

[8 replies] Last: @CLman94, what Peter87 is saying is this. CustomHeader.h void IsThis... (by clanmjc)

by Disch

Can anyone spot the bug in this code?

Cookie if someone can spot it. I'm scratching my head. void MapBlock::trimDeadEnds( wall_t& wall ) { for(auto i = wall.begin(); i != wall.end(); ++i) ...

[4 replies] Last: > Guess invalid iterators are invalid even if you don't dereference th... (by JLBorges)

by shallin7

Undefined reference linker error

I made 2 class to make a single linked list MyHastList.h and MyHastList.cpp and its working perfectly following is the code!!!! ----------MyHashList.h---------...

[6 replies] Last: I second andywestken's suggestion, check that. Also, just for testing... (by clanmjc)

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