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Beginners - October 2018 (Page 18)

by ronenp88
need library to convert a decimal number to fraction (rational)?
 
hello everyone, I don't know to do this myself, so I rather use a library, I need to convert decimal numbers to fractions (closest possible fraction in lowest t...
[17 replies] Last: That looks fine. If it works, you're golden. (by Duthomhas)
by Satan
Typing subscripts on console or other custom speial characters?
 
Is there any way to implement subscripts and superscripts (besides 1, 2 and 3 which are available as ASCII values, for subscript). And how about special chara...
[6 replies] Last: It is a user's environment issue, so you'll need special help on every... (by Duthomhas)
by vittorioc98
Adding element to vector without knowing the parameter class
 
Is there a possibility to add an element to the vector without knowing the class of belonging to the object I want to add? I mean.. if I had a "BaseClass" and ...
[13 replies] Last: Why if i do vec.push_back(make_unique<Account>(object))); doesn't wor... (by Peter87)
by adam2016
saving a highscore in a game
 
Hi guys, lets suppose I create a game maybe a console game or even a GUI game using SDL or SFML,how would you save the highscore(make it persistent),the obvi...
[11 replies] Last: Functions such as memcpy uses void* which is much more convenient to u... (by Peter87)
by jackos8234
Brute force Polynomials
 
The quadratic function ax^2 + bx + c achieves the value 0 for certain values of x (called the roots of the quadratic) – these depend on the parameters a, b...
[no replies]
by Fabr
2019 error
 
Hi, I'm new here, I'm working for a game and I can't understand this error: LNK2019 external reference "void __cdecl SPRITE(void)" (?SPRITE@@YAXXZ) _SDL_main ...
[12 replies] Last: Just do what my or Ganado's post said, and tell us your results. Also... (by poteto)
by poohbear
building errors
 
Iam getting bunch of building errors but the code is compiling can someone help Date.h #include<iomanip> #include<iostream> using namespace std; ...
[1 reply] : Hello poohbear, I think your problems here are being addressed in htt... (by Handy Andy)
by TheDomesticUser2
Calling main();
 
Are you allowed to call the main(); function? I've heard it's forbidden but it works. For example: #include <iostream> using namespace std; int main ()...
[7 replies] Last: As I recall, amongst other things, the compiler is allowed to assume t... (by Repeater)
by poohbear
roomtype
 
Please help with the roomtype function. #include<iostream> #include<string> #include"date.h" using namespace std; class Reservation { private: ...
[5 replies] Last: Hello poohbear, Once I created ctors for the "Reservation" class I co... (by Handy Andy)
by BashPotato
Recursion and Return Values [Help]
 
Hello everyone, I am having some difficulty figuring out how to restart this program or "Loop it over and over" as long as the user wants to play again. Befo...
[4 replies] Last: I am aware I could just recursively call main() and be done with it ... (by jlb)
by Patch97236
STL Map container question?
 
I'm trying to plan a homework project where I have a database class and a report class, the report class will generate various reports using the data from the d...
[11 replies] Last: Yeah I know it was mines but I honestly wasn't sure if it was a good i... (by Patch97236)
by Seyter
Wrong and unexpected
 
Do you see something wrong with the code that cause compiler failure? #include <iostream> #include <cstdlib> #include <ctime> using namespace std; int main()...
[1 reply] : Lines 73 to 76 should be removed. Just removed. You have put semicolo... (by lastchance)
by jcarbo
OPening a file with a class
 
HI Guys, I have been having lots of issues not understanding why this isn't working. I'm trying to 1. Read the contents of the file into the string object ...
[5 replies] Last: If you require .c_str() when opening a filestream then you need to upg... (by lastchance)
by Neonz27
I don't understand this error...
 
I'm not sure if this is the correct place to be posting this, but I made a similiar post on Stack Overflow recently to which no one actually answered my questio...
[7 replies] Last: Glad to hear you got it working, good luck! (by Ganado)
by Mushu911
Help with C++ Reading and Displaying Input Txt file with while loop
 
Mushu911 (1) I hope this is appropriate. I'm pretty dumb. I'm very new to programming and I still don't fully understand a few concepts. I've looked up several ...
[3 replies] Last: Also note, for the name, the extraction operator stops processing the ... (by jlb)
by adam2016
algorithm/math help
 
hi again guys, this thread will be about math and how math is used in algorithms,so most algorithms are based on math, so it's hard to avoid using simple to ...
[9 replies] Last: I am guessing the parts past the decimal point are truncated right?... (by Ganado)
by CheesyForde1
Question on for loops.
 
Just have a question. I want to recreate this table with any percentage and number however, I looped the years but I also need to loop the number of students ea...
[5 replies] Last: Guys thanks, you solved my problems. I'm not really a problem solver b... (by CheesyForde1)
by gjur99
Help If Else statement
 
im trying to make this program where you can choose a language between the ones given. But every time i try to run it, no matter the input it give me only engli...
[5 replies] Last: thank you so much guys! @saeidsj @Ganado @Thomas1965 (by gjur99)
by adam2016
string was not declared in this scope
 
Hi guys, I seem to be having some problems with std::to_string function in the string class |20|error: 'to_string' was not declared in this scope| I t...
[12 replies] Last: re-read what I said :) most of the issues we mentioned are legal c++ ... (by jonnin)
by Abdullah Samo
Can We Draw a Circle using ASCII?
 
Hi All! Can We draw a Circle by using ASCII Codes? Need Help
[2 replies] Last: there are famous pictures redone in ascii: my professor in college had... (by jonnin)
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