Beginners - September 2017 (Page 20)

Easy to use GUI with graphical capabilities
Hi, I'm relatively new to C++ but learn best when I get stuck in beyond my depth, I'm looking to create an intuitive GUI into which I can place a graph which w...
Sep 3, 2017 at 6:09pm
[4 replies] Last: Been trying QT with its IDE for a bit but it doesn't like ANYTHING I'm... (by bakerw71)
Reading and writing to txt file from different cpp files.
I've created a cpp and header file called staff. Staff inputs closing and opening hours of a train station. While User can read them. Code below is Staff wr...
Sep 3, 2017 at 5:29pm
[8 replies] Last: Yes it is did not want to add them into a single question. Though that... (by GhettoBurger)
storing struct as an array of bytes?
Hi I'm trying to understand some code that I saw for the Arduino here: https://playground.arduino.cc/Code/EEPROMLoadAndSaveSettings It seems that you can ...
Sep 3, 2017 at 3:12pm
[5 replies] Last: thanks both, much appreciated (by rozick1)
Cannot read from a text file!
I've posted my code before but i'm still having problems. Well first the program does not read from the Store.txt file that holds the name and price of each ite...
Sep 3, 2017 at 2:01pm
[2 replies] Last: Sorry i'm new to c++. Would it be possible for you to correct my code ... (by ArchRon1n)
Simple If statement Issue
Hi there, I am having some trouble understanding why my program is not working here. I am trying to do some simple if statements here entering two numbers, but ...
Sep 3, 2017 at 11:38am
[8 replies] Last: #include <iostream> using namespace std; int main() { int cool ... (by closed account 48T7M4Gy)
by Hanske
While loop with conditions
Hello, I've already did a couple searches on the forum but wasn't able to find a particular solution to my problem. The first while loop in my code should on...
Sep 3, 2017 at 11:17am
[5 replies] Last: Yep! Exactly. Thanks for the help! (by Hanske)
by Reekoh
Help. Abort() has been called
Write your question here. Hi. I need pointers on what could be wrong with my damage calculations. everything compiles and runs good aside from the damage calcul...
Sep 3, 2017 at 8:13am
[1 reply] : = is used for assigning values. If you want to compare equality you sh... (by Peter87)
by zxkun
prototype in my function is not declared
#include<iostream> #include<string> #include <iomanip> using namespace std; int menu(int choice); int main() { menu(choice); do { switc...
Sep 3, 2017 at 6:36am
[6 replies] Last: #include <iostream> // #include <string> // ??? // #include <iomanip>... (by closed account 48T7M4Gy)
Hash String During Compilation Time
I copy a code from stack over flow. its purpose is hash a string during compilation time. on visual studio 2015, when hash a long string, there is a long ...
Sep 3, 2017 at 4:43am
[3 replies] Last: Many Thanks! (by Wu zhen hai)
Bool function to check if two arrays are identical
hello, I need to write a bool function that checks if two 1D arrays of equal length are identical. I've written a seemingly straightforward loop to check that, ...
Sep 3, 2017 at 2:47am
[5 replies] Last: #include <algorithm> // http://en.cppreference.com/w/cpp/algorithm/e... (by JLBorges)
by Alu
Converting strings in a String Array into lowercase
Is there a way to convert strings inside an array into lowercase? So say I have an array like: String mainArray = {"Dog", "caT", "ElepHANT", "Hungry", "...
Sep 3, 2017 at 2:15am
[1 reply] : When you aren't using straight C++ it is a good idea to also indicate ... (by Duthomhas)
Calculate position and angle
Hello everybody, I am self-teaching myself game physics and currently I am reading a book called "Mathematics and Physics for game programmers" and I am at chap...
Sep 3, 2017 at 1:09am
[10 replies] Last: Thank you Jonnin :) (by MultiMedia)
recursive boost exception using io_service
I was expecting the code below to continue throwing an exception, since a call to the ios object is performed within the exception handling function thus makin...
Sep 2, 2017 at 9:37pm
[no replies]
I/O with files
Hello, geeks! I'm having a code that saves data of an object into a file looks like this... //This is player.cpp #include "main.cpp" using namespace std; ...
Sep 2, 2017 at 6:41pm
[4 replies] Last: Player.cpp #include <fstream> #include <iostream> #include <stdexcep... (by Enoizat)
Help my code stops at the end!
total rainfall Average Monthly Rain: The average monthly rain is total rain of 12 months then divided by 12. Average Monthly Average Temperature: The monthl...
Sep 2, 2017 at 4:11pm
[11 replies] Last: http://www.cplusplus.com/forum/general/220758/ (by closed account 48T7M4Gy)
how to think c++ output about this code
I can't understand the funz function, how I can think this code? i have only this idea: 12 is != 0 return is 12+funz(12,10) then x=12 y=10 10 is != 0 retu...
Sep 2, 2017 at 11:00am
[1 reply] : #include <iostream> int funz(int, int); int main() { std::cout ... (by JLBorges)
Overloading subscript operator
Hi, I would like to overload the subscript operator so that I can use tuples like an array e.g. mytuple ; Here is what I've coded, but I am new to using te...
Sep 2, 2017 at 6:37am
[3 replies] Last: Another very similar approach. Wrote this out earlier today, but never... (by mbozzi)
Need help changing inputs from uppercase to lowercase
got it
Sep 2, 2017 at 4:44am
[3 replies] Last: I'm not sure how I'm supposed to loop tolower in a queue/string or mak... (by newguy444)
student report card and ranking
hello everyone. i would like to ask all of you. is anyone know any source code that help the user to get a student result with their ranking automatically. if...
Sep 2, 2017 at 2:45am
[2 replies] Last: thank you very much Handy Andy (by RTsuNa08)
by zxkun
struct not showing the right number
Hi, my struct : student .test is not showing the right result. here is my code: #include<iostream> #include<string> #include <iomanip> using namespace st...
Sep 1, 2017 at 7:43pm
[3 replies] Last: oh fixed, I think my IDE has some issue, it says can not open the file... (by zxkun)
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