General C++ Programming - C++ Forum - December 2009 (Page 9)

Hi, i have some function which works with linked list, this linked list is created in this function, the size of linked list can be more than 100 000. the probl...

[1 reply] : In principle, you can, but you need to be clear on what you intend to ... (by kbw)

by inertjl

C++ programming using tesseract

Hi, I would like to ask whether anyone here knows how to use tesseract in c++? I need to do some character recognition but I do not know how to implement tesse...

[no replies]

by scienceskillz

multiple threads

Can someone give me an example of how to create and use threads in C++? Just a very simple example would suffice...

[4 replies] Last: Hope it makes sense and it's what you needed :) (by Mythios)

by Mythios

CSV File C++

This is actually based off an example helios gave me a fair while back. I needed to do this in C back then though. But now I wanted to throw it into C++. Any...

[1 reply] : Just clicked then. I changed it too: void LoadDataBase( std::vec... (by Mythios)

by sporx

load an unknown named .txt file c++

here is what i currently have ifstream Myfile("tests000.txt"); int trow=0; int trow0=0, trow1=0, trow2=0, trow3=0, trow4=0, tro...

[2 replies] Last: If you know the amount of files there are going to be you could do som... (by Mythios)

by closed account 1yR4jE8b

Any Good Sites With Coding Exercises?

I'm trying to stay up with my C++ and build a small portfolio of code that I can show potential future employers. I have been looking for small projects to do t...

[1 reply] : http://www.cplusplus.com/forum/articles/12974/ You could try the la... (by firedraco)

by Pappu010

Task

Hello I am writing a program in c++ which consists of a menu where the user has to choose between buying a plant or quitting. Each plant which the user can b...

[no replies]

by flo

How to use RIPEMD160 to convert string "abc"

Hi I have a problem I'm trying to hash a string "abc" with function RIPEMD160, but my hash_value is not correct My code is: string s=”abc”; int a ...

[3 replies] Last: Ideally, a hash function interface should have only three or four func... (by helios)

by Howie

Best/Fast structure for variable "variable"

Hi, i am new to this forum. I read a lot but this is my first post. I need an universal variable which can hold long,double,std::string, double most of th...

[8 replies] Last: Well void* isn't universally compatible. Acutally, I should leave... (by jsmith)

by CQ75

Linked list: Array problem

The point of this program is to take information from a text file (consisting of several sets of data, each set including a word not bigger than 30 characters a...

[2 replies] Last: Thanks! That worked I didn't want to use char arrays. Every program... (by CQ75)

by arathalion

File scope variables

I am a little bit confused about file scope variables. As far as I am aware, if I declare a variable as static whilst it is outside of all functions, then ...

[2 replies] Last: Ahh thanks. Suddenly I think I understand the point of the extern k... (by arathalion)

by madhuk

Operator overloading for heap objects.

Hi all, Operator Overloading for Stack members In MyClass.h class MyClass { MyClass operator +(MyClass inVar); }; In MyClass.cpp M...

[4 replies] Last: jsmith said that it wouldn't be 11. Anyway, I would advise agains... (by Disch)

by chrisben

how to convert double to string in ####.### format

is there any function in stl or anywhere to convert it quickly? thanks

[2 replies] Last: thanks (by chrisben)

by madhuk

using const return value for method..

Hi all, //////////////// Vector class ////////////////// In Vector.h: Class Vector { private: int X; int Y; public: Vector(int x , int Y)...

[2 replies] Last: Hi Bazzy, Thanks for the reply. I will try that one. -Madhu. (by madhuk)

by dacredens

error LNK2019: dllimport with multiple template instantiations

Hi, I've run into a nagging problem and I hope somebody can help me. I'm using visual studio 2008 I have a template vector class in a dll that I am exporting ...

[no replies]

by PDB1982

structure not working

I am trying to incorporate the following information into a structure: 45256 Rodrigues Joana 58 75 58 61 59 75 63 92 37915 Wright Michelle 98 83 56 62 63...

[13 replies] Last: You have 8 gr in each line but read 9: int gr ; for (int i = 0; ... (by melkiy)

by giro82

TChart logarithmic scale

Does anyone know how to set vertical axis in TChart component to show logarithmic scale from 1 in direction to 0 with marked points on scale as: 1 10-1 10-2 10-...

[1 reply] : What does this have to do with programming in C++? http://lmgtfy.com/... (by Zhuge)

by sporx

search for string within a string

Hi, in my current project there is an instance where i need to search a string of letters for another given string. both strings are declared as strings, and no...

[5 replies] Last: totally makes sense now, ive actually noticed that but never put two a... (by sporx)

by Discere Faciendo

Algo challenge

This is a general challenge, opened to all. Recently, I saw code I wrote when I was a kid that shuffled a regular deck of cards. I made no attempt to rando...

[13 replies] Last: Can you come up with a better/shorter/(more elegant) solution? ... (by jRaskell)

by prasadi

Time complexity of map functions: erase V/S clear

Hi All, Have look at the following code snippets. map<string,Object*> amap; // delcartion of map for ( map<string,Object*>::iterartor amapitr = amap.be...

[9 replies] Last: A general rule of thumb is to trusy the algorithms and container membe... (by kempofighter)

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General C++ Programming - December 2009 (Page 9)