C++

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Beginners - May 2015

by Arslan7041
Factorials - Classic Recursion Example
 
Im having a difficult time understanding HOW exactly the factorial based recursion example works. The example is given in the tutorials section of this website ...
[5 replies] Last: Arslan, exactly. (by Ispil)
by pertenezcoaselg
Overload getline
 
Well, i have to do this for university and i don't find on google how to do the getline overload, i don't know if the code's class is right or if i'm not doing ...
[2 replies] Last: Oh, gracias, ya estaba volviendome loca pensando en como hacerlo (by pertenezcoaselg)
by Jonnyd36
Help with Gillespie algorithm
 
Hello, I am doing a project which will use a Gillespie algorithm. I am new to coding in general but can do simple things. I have been trying to find examples...
[1 reply] : This looks like you can port this into C++ http://lennarthilbert.com/... (by Bdanielz)
by seanzybay
Splitting a string
 
I want be able to input a string such as "box 3 4 5" and then assign each of the 4 items to a new variable to do calculations (volume, surface area). I'm new t...
[4 replies] Last: If you look at the declaration of operator>> you'll see it returns a r... (by andywestken)
by Winsu
Can not resolve overloaded on template
 
I'm trying to know which one is the bigger value at any type, for that propouse I have done a template, and I'm using a member function to resolve which one is...
[4 replies] Last: I'm using type_info to resolve what you suggested before, but now I'm ... (by Winsu)
by sharif salhab
help
 
hey guys i need a hand here i'm kind of bad in c++ and i can't figure out how to write this program .... Write a C++ program for the following game: • The ...
[1 reply] : generate random numbers: http://www.dreamincode.net/forums/topic/14057... (by mutexe)
by Kabbage318
Program skipping lines of code for no apparent reason
 
I'm currently writing a program to manage a database of math textbooks for a class I'm taking, however the program is doing some funky things and I have no idea...
[5 replies] Last: I tried messing around with the code in the loop, but to no avail, it ... (by Kabbage318)
by IlyaB
Problem with rotation matrices
 
Hey! I have to create a class for 2D rotation matrix and overload operators +, -, *, / and scalar multiplication for it. No problems with the code but there is ...
[no replies]
by imdjluis
Requirements of if and else if statements
 
I am preparing for an exam in my Intro to C++ class and one thing I have to know if the requirements of an if statement, and requirements of an else if statemen...
[3 replies] Last: I guess what I'm looking for is something more like: An if statement ... (by imdjluis)
by Drakonaut
Placement new input issue
 
I'm stumped with a question. I wrote out an answer but it doesn't seem to be working. The inputs aren't the same as the outputs: it gives me some weird symbols ...
[3 replies] Last: Is there anything wrong with my workings? Using placement new with a... (by andywestken)
by maathimself1
NetBeans not recognizing "cout"..Please Help!
 
I have not even really started to learn c++. I am still trying to setup NetBeans properly so I can practice/learn. It took me forever to get MiniGW and MSYS con...
[7 replies] Last: newfile1.c++: In function 'int main()': newfile1.c++:4:5: error: 'cou... (by ne555)
by IronCladMoon
Why is this not working?
 
So I just started learning c++ and i just tried making a simple adding calculator. When I run it it says there is an unexpected ; before the int. What is wrong ...
[5 replies] Last: Thank you for the help (by IronCladMoon)
by NafeesOnly
Sort Numbers in Ascending order using Array | C++
 
This is an assignment My teacher gave me and to be true I am a dumbo. Last time she thought me how to Find Largest number in a array of five. Now she has give...
[5 replies] Last: Hey NafeesOnly , since you are in college you know what's a great way... (by closed account yR9wb7Xj)
by muruy
Reverse a text file from input to output
 
Okay, so I have this code, and i need to modify if so that input file will be reversed in the output file... I thought about adding a string, but i don't know h...
[1 reply] : The easiest way is to convert your buffer to a std::string and use a r... (by koothkeeper)
by GuitarMan
Binary Files
 
So the thing is... I copyed content from a text file to a binary file. Text file has 86 lines, one word in each line. After copying the content from text fil...
[3 replies] Last: Thanks alot, Works. (by GuitarMan)
by asdfgh4600
make edit to file
 
hey everyone, i facing a problem in editing 5 rows of information in a file i want to make edit in user's choice and make changes to the file i try so many ...
[3 replies] Last: the code is supposed to edit a row of information inside a file , but ... (by asdfgh4600)
by arsalan khawaja
file editing
 
I opened the already existing file in it . I want make some changes in it . Ios append will write at end .. How to edit at middle of file how to approach at t...
[2 replies] Last: thankyou ... :) (by arsalan khawaja)
by g52
Curses/Python - How to edit predefined string
 
How to please insert predefined name of INPUT items ? My efforts: (info: the character "_" is cursor) def Edit_Item(stdscr, item_name) stdscr.addstr(1, 2...
[4 replies] Last: No ;-) This is exactly what I need to do in python/curses. Demonstra... (by g52)
by CodeWriter
Setting up code::blocks to use a library
 
I am a self taught occasional hobby programmer who wants to get up to speed with C++ and libraries like SDL using CodeBlocks. I do have C code experience having...
[6 replies] Last: Well, personally I use GLFW paired with OpenGL for graphics. GLFW is a... (by rlc4)
by Blackhart98
Too many files for game?
 
Ok obviously this is going to be my first game right. It's going to be a text based - rpg. I'm going to begin working on this project as soon as I feel im ready...
[10 replies] Last: To be honest, the fact that you are asking "How many files will I need... (by rlc4)
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