General C++ Programming - C++ Forum

best way to write a function returning 2 value

So I have a function like the one below bool get_array( float input_param, vector<int>& output_param ){ // some code that handles output_param output if...

[7 replies] Last: Breaking it into 2 function is rather a waste of overhead in many case... (by rmxhaha)

by paulcrown

static_cast Confusion

Greetings, I can not seem to get my brain wrapped around static_cast. Can you help me understand what is wrong in ANY of my following three examples: class...

[1 reply] : That doesn't compile. But if the pseudocode in the beginning is any in... (by Cubbi)

by terryeverlast

Recursion

Im trying to upload a directory and all the files in it to a server using wininet. here is my code BOOL CListfilesDlg::recursion(CString sPath) // ...

[no replies]

by Daufirson

Logically illogical

I am making a program to read bowlers names & scores from a txt file, and then print them out as a table like: name score score score ...

[1 reply] : A couple of errors in your code: for(scrcnt = 0, scrcnt!=3,scrcnt... (by AbstractionAnon)

by Johnny111111111

Help please, and quickly if possible.

So I created my menu, and menu items like this case WM_CREATE: { Sleep(1000); AppendMenu(Men1,MF_POPUP, (UINT_PTR)Option...

[2 replies] Last: I figured it out, I know the resource way I was wanting to learn the o... (by Johnny111111111)

by closed account jwkNwA7f

Finding files in a given folder

Hello, I am new to this forum. I think I put this in the right section of the forum, but I am not sure. I had wanted to make a program that will tell someon...

[1 reply] : This one is too easy: - WIN32_FIND_DATA: http://msdn.microsoft.com/en-... (by Computergeek01)

by Bleedz129

how do I turn the string integer into an array

int main () { string integer1; string integer2; cout <<" enter your first number: " << endl; cin >> integer1; cout << endl; cout << integer1 << ...

[5 replies] Last: class std::string has member function size() (by vlad from moscow)

by Snaksa

Books about algorithms

Hi! I want to ask you if you can recommend me a good book about algorithms that will help to improve my logically thinking and will teach me on advanced program...

[no replies]

by asda333

corner estimation

Hi I hope some people good at maths here so maybe they can solve it. lets say I am shown a square with four corners and each corner is given a coordinate ...

[17 replies] Last: i got an idea something similar to what disch i will capture the corne... (by asda333)

by asda333

projectPoints opencv

Hi does any one know how to use it a function for 3d reconstruction. I followed the manual on the website but it seems to give me error. assertion failed...

[2 replies] Last: exactly, it crashes at that point when i step through it. the main rea... (by asda333)

by sgant869

Close to giving up

I've come to cplusplus mostly because I'm in school for software developement, and I wanted to do a project on my own, so I installed the SDL API into Visual St...

[2 replies] Last: weird, I was intitially using codeblocks and had the same problem, but... (by sgant869)

by Kristiano 96

Game programming librarys, engines

hi guys I want to start with game programming and I don't know what library to use. can someone please tell me what is the best library for developing 2d games...

[10 replies] Last: If you're using those libraries just to make your window, and do keybo... (by htirwin)

by closed account Dy7SLyTq

best way to make a class out of this?

so i am making a game in sdl, and while it works, i feel like i wrote it horribly. its based off lazy foos tutorial, although a lot of it is my own code. could ...

[6 replies] Last: ? lazy foo also teaches 2.0. I just linked to it. sorry i thought it... (by closed account Dy7SLyTq)

by JHoney21

Tic Tac Toe Assignment

Im in a c++ class in college and need some help with this code. I did the assignment based off what i have learned in the class so far and obviously need to do ...

[no replies]

by jerome14

GOOD DAY GUYS.

I'm a college student currently taking up computer engineering. I'm in my third year and I'm struggling with my subject Data Structure and Algorithm Analysis, w...

[3 replies] Last: Here is a nice tutorial see if it helps getting you started. http:/... (by kalicha)

by Mr Puff

Help in void pointers

In the tutorial about pointers i didnt understand the code for void pointers what is pchar=(char*)data doing? can you explain me? / increaser #include ...

[3 replies] Last: The part to the right of the assignment operator, (char*)data , is ca... (by Computergeek01)

by karelPrague

STRTOK and NULL

Hello, I am beginner in C++ programming. And i was try use STRTOK code with NULL fields, but in ARRAY fields NULL values is skiped. For example: input text ...

[2 replies] Last: Thanks for your answer. I was download BOOST headers, but in "mutable_... (by karelPrague)

by mhesam

compiling error

Hi,what is mean of these messages when i compiling ? thanks. http://s15.postimg.org/cdfsdcyej/Capture11.png

[1 reply] : you need to run the program as admin (by closed account Dy7SLyTq)

by DanielJamesCollier

Games in C++ (openGL) ?

okay i have just moved on from java after about two years of programming in it and i want to know the best path to go down for game development. i have been mes...

[5 replies] Last: thanks cire :) i think i might stick to free-glut then, seems like the... (by DanielJamesCollier)

by Vincent Dominguez

Don't know how to make a sertain key do something specific

So I want to make a program that asks for a password and if you get it wrong it loops but there is no right password you have to press a key like F5 or some key...

[3 replies] Last: @Vincent Dominguez Well, what have you written in code, so far? We do... (by whitenite1)

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General C++ Programming - July 2013 (Page 11)