please wait
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by Gadersd
unordered_map not working in class
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| class State { public: State(); protected: private: std::unordered_map<std::string,std::unique_ptr<int>> objects; }; Th... |
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Dec 31, 2015 at 9:13pm
[7 replies] Last: Actually, the int type is just a placeholder. It was originally of typ... (by Gadersd)
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by Rafay3
C++ Game
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| I Try to make a game..and you have to Create Unique name Everytime or game over but It crash when I start the game #include <iostream> using namespace std; st... |
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Dec 31, 2015 at 5:03pm
[3 replies] Last: Use a std:;vector instead. vector will allow you to store an unlimite... (by AbstractionAnon)
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by Cambalinho
how can i convert a string result to LPVOID?
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| imagine that my string value is a variable adress. can i convert that value to LPVOID?(i mean the value and not the string adress) |
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Dec 31, 2015 at 2:53pm
[4 replies] Last: I missed that your string value was a variable address. Any techniq... (by AbstractionAnon)
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by codebanger
unsigned char to string
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| I'm looking at using openSSL. They use unsigned char in the functions. I'm trying out some conversions with the following: < #include <iostream> #include <stdi... |
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Dec 31, 2015 at 1:55pm
[1 reply] : You are experiencing sign extension on the str hex: output. Because t... (by koothkeeper)
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by nura1717
Please help: Error: Expected Primary-Expression
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| Hello guys. I am having this strange error while making a game in SDl2/codeblocks. Error is related to c++ programming and not to SDL library or anything. H... |
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Dec 31, 2015 at 11:51am
[4 replies] Last: Thank you. (by nura1717)
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by Cambalinho
how make a multithread correctly synchronizated?
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| how can i make a multithread, correctly, synchronition? for make a multtihread function i must do use: pthread_create() using mutex i can synchronizate(say... |
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Dec 31, 2015 at 10:56am
[4 replies] Last: Delaying the thread for a specific time doesn't guarantee to make your... (by Shadowwolf)
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by Harutyun
Some questions about C++ programming.
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| Hi I'm pretty new to C++ and obviously I have some questions about some problems I'm having. 1) Some people say that using "using namespace std" is not pro... |
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Dec 31, 2015 at 10:49am
[2 replies] Last: 1. You can use google. https://www.google.se/?gfe_rd=cr&ei=4wiFVr68NK... (by TarikNeaj)
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by ggurhann
appcrash fault
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| it gives appcrash problem after command promt window when i run it. i use dev c++ 4.9.9.2 #include <iostream> #include<string> using namespace std... |
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Dec 31, 2015 at 10:40am
[5 replies] Last: thank u "Why is deneme() calling deneme()?" i understand... (by ggurhann)
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by andrewllewop
find the last word in a string
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| I assumed that there would be functions to cover a lot of these string operations I've been doing lately but... Here is my newest problem. I am writing a fun... |
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Dec 31, 2015 at 4:58am
[5 replies] Last: Same logic as above (reverse the string, read first token from the rev... (by JLBorges)
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| using == with an assignment expression |
| What is this saying exactly? int result = (num1 % num2) == 0 I don't understand how the == 0 works. If the statement doesn't make sense here is where I ... |
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Dec 31, 2015 at 4:13am
[2 replies] Last: Thank you very much! (by NuklearKrisis)
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by TinyTertle
creating strings with specific conditions.
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| I'm trying to create a Book class with a string member representing the ISBN. The ISBN must follow the format n-n-n-x where each n is an integer and x is a char... |
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Dec 31, 2015 at 4:09am
[1 reply] : Use the standard regular expressions library. http://en.cppreference.c... (by JLBorges)
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by glasses
Using 2D vectors
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| I want to construct two 2D vectors to which I can add vectors to in the future. However, even the beginning attempt to push_back a 1D vector as the first row of... |
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Dec 30, 2015 at 11:56pm
[4 replies] Last: If you want to modify an existing element, use the array syntax or... (by Chervil)
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by Some Moron
Crash when assigning values, but only meaningful ones
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| - I doubt anyone else will have this particular problem, but have a discussion topic. This problem has been fixed and was related to the MASSIVELY quirky way t... |
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Dec 30, 2015 at 9:26pm
[4 replies] Last: I haven't previously used valgrind, but I will look into it to see if ... (by Some Moron)
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by ahmmkh
a problem set by c++ and c
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| Write a program without any semicolons and it takes an input X from the user and then print "Hello" X times each "Hello" in a single line |
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Dec 30, 2015 at 7:59pm
[7 replies] Last: Actually most of them are working guys , but i actually managed to und... (by ahmmkh)
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by GibsRey
Need PDFs!
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| I've read tutorial about C and C++ in PDF, i downloaded the C++ PDF From this site, Now can you please give me some links to download C++ Intermediate Tutorials... |
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Dec 30, 2015 at 3:47pm
[2 replies] Last: Groningen C++ Annotations (pdf and other formats): https://github.com/... (by JLBorges)
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by Ketan
System command with Two arguments
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| Hello, Upto best of my knowledge, I know that system command takes string as input. This string can be of any thing, which works fine into command prompt. For ... |
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Dec 30, 2015 at 3:24pm
[3 replies] Last: > I would like to know whether system command does behave same as comm... (by JLBorges)
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by geeloso
Why this behavior?
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| Hey guys! I have a struct template nodeType and a class template nodeType as shown below and I have shown the simple definition of the member function node... |
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Dec 30, 2015 at 3:09pm
[6 replies] Last: > when returning just a type, a reference to a type, or a const refere... (by JLBorges)
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by Wu zhen hai
something confused
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| #include <iostream> template <class T1, class T2> void fun(T1&&, T2&&) { std::cout << typeid(T1).name() << " " << typeid(T2).name() << std::endl; } class... |
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Dec 30, 2015 at 6:11am
[2 replies] Last: Thanks! BR! (by Wu zhen hai)
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by Wu zhen hai
thread construction function does not support function overloading
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| //thread construction function does not support function overloading //it is so unfriendly #include <thread> #include <iostream> class A { public: void ... |
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Dec 30, 2015 at 6:11am
[2 replies] Last: thanks! BR! (by Wu zhen hai)
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by andrewllewop
string search
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| How can I compare two strings to seen if more than one word matches? Eg. str1= ("Computer Architecture) Str2= (computer systems and Architecture etc) Sinc... |
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Dec 30, 2015 at 6:10am
[5 replies] Last: thanks, with some modifications it works exactly for me (by andrewllewop)
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