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General C++ Programming - February 2013 (Page 18)

HELPP!

My question is are there various ways that I can approach this program. I.e. do I have to use switch statements? /* NumToTxt Creates the appropriate word f...

[1 reply] : Please use code tags and then edit your first post to have it. (by greenleaf800073)

by gelatine

execute function if user closes console

hello i would like to implements something in my code that clears the value of my variables when the user closes the console. could someone tell me how to do th...

[3 replies] Last: What about using a destructor? I'm not sure if it's the console which... (by Stewbond)

by trialNerror

execute a function while in a breakpoint

For easier debugging, I would like to execute an own (predefined) function while beeing in a breakpoint (e.g. print some variables to a file). Does there exist...

[2 replies] Last: Thanks for that detailed answer. I did not know 'gdb'. It seems that I... (by trialNerror)

by Catfish3

std::unordered_map with std::vector<char> key

Hello, how exactly do I add a hash function so that std::vector<char> can be used as keys in std::unordered_map , seeing as it already works fine for std::s...

[5 replies] Last: > Would you consider it bad practice to specialize std::hash()? Like s... (by JLBorges)

by Script Coder

Is this out of scope?

I have been testing this code for about an hour now, and still do not get why it fails. When I try it in a test program it works, but in the normal program it f...

[15 replies] Last: I understand now, thank you to those that helped :) (by Script Coder)

by Steakknife

Help with Employee Program

Hi I am currently working on a project and I am having a hard time getting it to run correctly. I have pasted all of my files here http://pastebin.com/HsPzCR...

[no replies]

by kirbster329

TicTacToe with classes

I have this TicTacToe program that needs finishing. All the code is finished, but I'm getting runtime errors. It is printing out junk values from my array when ...

[5 replies] Last: Okay good. Now it's printing out the blank board like it's supposed to... (by kirbster329)

by ResidentBiscuit

Custom vector AND memory allocator

OK, I THINK I have this functional now. Finally, now that I had a good few hours at once to sit down and work on it. Latest commits can be found at: Vector ht...

[6 replies] Last: I think this thread http://stackoverflow.com/questions/3671234/what-is... (by naraku9333)

by tianajrp

String Compare problem

fscanf(myScriptFile , "%s", &YO); if (YO.compare("Start") == 0) { Started = true; } for some reason YO.Compare doesnt return 0 at all I ...

[3 replies] Last: std::string does not have an implicit conversion to a char * which i... (by AbstractionAnon)

by gelatine

events in c++

hello i would like to use something like events in c++ such as when an user presses a key. is that possible in a console application and if so could you give m...

[1 reply] : Are you using C++11? http://scriptionary.com/2011/07/05/c-events-with... (by AbstractionAnon)

by LB

PImpl+unique_ptr & defaulted MAO

This is just a helpful tip for anyone using the PImpl idiom with std::unique_ptr and a defaulted move assignment operator in the main class - you can't declare ...

[6 replies] Last: Ah, ok. I like being more explicit though because it's something that ... (by LB)

by tmcfadden

gethostbyname

I have code here that is designed to do exactly what I want: it prompts the user to enter a domain name, then uses gethostbyname, or gethostbyaddr to resolve...

[9 replies] Last: Have you read the documentation for the hostent structure at all..? ho... (by Thumper)

by nishantve1

What's left in the array if only a part of it is initialized ...

So if I have something like this int AR ; cout<<"Enter the elements of the array : "<<endl; for(int i = 0 ; i < 5 ; i++) cin>>AR ; so in the c...

[1 reply] : They will be zero-initialized. For example int AR = { 1, 2 }; AR w... (by vlad from moscow)

by closed account NwvkoG1T

Visual Interface for Password Entry and Retireval - Software that i have writtern

I have written code for a password management system. It is called VIPER who's acronym is as Above. I have shared it all on my blog. vipersoftware.blogspot.com...

[no replies]

by Stewie k

Code compiles successfully, yet previous day is blank

//#include "stdafx.h" #include<iostream> #include<cmath> using namespace std; //class declaration class dayType{ public: int presday; int pre...

[2 replies] Last: Ok, nevermind guys. fixed the stupid error int dayType::prev_day(int... (by Stewie k)

by longmanhorpeyemy

manipulator

What is a manipulator? Justify this definition with a program sample

[1 reply] : Are you talking about io manipulators, or something else? (by MiiNiPaa)

by closed account NwvkoG1T

cout and cin objects of iostream class

i ran the following code in the latest version of code::blocks and it tells me that the objects cout and cin are not declared in this scope. what is the problem...

[7 replies] Last: are you telling me that the fucntions have been changed? is that why ... (by closed account NwvkoG1T)

by Stewie k

Compiles successfully but calculations give wrong answer

Can anyone please tell me what's going on here. I'm using MSVC++ and it builds sucessfully but somewhere something is obviously messed it. Once i try to debug i...

[14 replies] Last: Thanks for all the help guys, much appreciated!!! (by Stewie k)

by shandymilo

Assaign a vector to a vector?

I want to create a grading program that the user inputs a name and then on that value (name) there is a vector of doubles to represent his/her mark and then cal...

[1 reply] : You can use map<string, vector<double>> http://cplusplus.com/referen... (by MiiNiPaa)

by paul23

Can xml-schema be used to define meta data (using xerces)?

say I have an xml-file. Now what my program does depends on the "element". Is it possible for xml schemas to define the action that the program should do? Ie is...

[1 reply] : It is completely possible. You might want to make sure that you get fu... (by MiiNiPaa)

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