Beginners - C++ Forum - January 2011 (Page 36)

Lapack

I just started learning c++, with my current goal being to invert a matrix (M x N, with least squares in mind). I've read online that Lapack can do the job. I...

[no replies]

by moe93

Why isn't it reading and writing to the file?

Why isn't it writing to the file? is there something I've missed? Please point me out the problem and how could I fix it!! //Bank Managment #include <io...

[1 reply] : reevaluate your void addrecord() this is where your error is being t... (by encoded)

by rafailos

read numbers from txt.file

I have some rows with numbers. For example: 3 3 23 2 45 4 15 the first number is the number of the line. i want to add the numbers on the right.and ...

[1 reply] : This numbers are in a text file.... (by rafailos)

by eazy4life

I need to write this

Hi guys I need ur help to write this please Introduction There are three levels of security: security based on what you have (e.g. hav- ing keys to a door), ...

[8 replies] Last: Not as an exe. Sorry it's a pain in the butt changing my security sett... (by Computergeek01)

by Twilice

Importing int multi-array from .txt

I am currently working on a big game project, a platform game that uses a tilebased system to load the maps. But the text to load all the (currently) 40*160 til...

[7 replies] Last: Thanks, now it's a bit easier to understand. (I will try to use it whe... (by Twilice)

by fruitloop2222

Pointer to a class'es member function

I am trying to create a function in a class (it's not a static member) and push it into a vector. Here is all the necessary code (around 40 lines) The probl...

[4 replies] Last: Actually there's another post about this: http://cplusplus.com/forum/b... (by slicedpan)

by teguh123

pointer to a member function

Class TheClass { void function foo(); { } } TheClass aClass; TheClass bClass; void function *pfoo(); void function fooUsing(void function *p...

[3 replies] Last: In VB.net, if fooUsing accepts a pointer to a function under a certai... (by Disch)

by Archa4

C++ Heap and Graphs

Hello! So I have an exam tomorrow and I have some unanswered questions. I need a code (preferrably in C++) that would allow to add and remove elements from he...

[no replies]

by m7mm7m

i need program

create a bace class called shape.usethis class to store two double type values that could be used to compute the area of figures.derive two specific classes cal...

[2 replies] Last: I think this article may help you understand inheritance some. Hint:... (by encoded)

by m7mm7m

how to do this program

students in SUP were surveyed about how many days aweek they eat fast-food.write aprogam to help analyze the result of the survey.lnitially the program prompts ...

[1 reply] : http://www.cplusplus.com/articles/how_to_ask/ (by Null)

by pcultras

Shut off command

Is there in c++ something like shut down command? I mean like for eg when if is included in another loop: if (cd==0) break; just instead of breaking...

[3 replies] Last: Use exit(1); to exit your program (you need to #include <stdlib.h>)... (by coder777)

by siegel14159265

for loop issue

#include <iostream> #include <cmath> using namespace std; int main() { int row; int column; double avrg; double sig; double ma...

[4 replies] Last: Repost of properly indented original code: #include <iostream> #inc... (by Kyon)

by cob

Function failure

Once again, working off the basic tutorials. Once again, having trouble taking the extra steps I knew how to take at one point. This is from Functions (I), t...

[4 replies] Last: Wait I figured out why the error was putting z = addition (x, y); be... (by wildsummerdream)

by samoi

can someone solve this?

Assume that a sales man in stationery asks you to write a program to help in managing the books information. Each book has a title, author name, edition no,...

[15 replies] Last: int a,b=0; a=b++; cout << a << ' ' << b; Output 0 1 ... (by ne555)

by wildsummerdream

Enhancing my F.L.A.M.E.S. program

Hello, I'm fairly new to C++ and for my school project I made a program about the game FLAMES where in you cancel the same letters of two people and base your ...

[4 replies] Last: @Browni3141 Oh I see, I'll take a look and see if I can make it bet... (by wildsummerdream)

by ajputnam

C++ Web Extraction

Hello Everyone, I was wondering how to extract data from websites and use it in my program. For example how can I have my program read the HTML code and save...

[8 replies] Last: Yeah I want the like <dir>text what evet </dir> stuff of the web site.... (by ajputnam)

by cob

working off the do-while tutorial

First post: Basic code from the website's Do-while tutorial. Basically you enter a number and the program tells you what you typed in, 0 terminates the funct...

[5 replies] Last: Awesome! Thanks for your help guys! I think wasn't considering putti... (by cob)

by Darksamus

Finding a Compatible Compiler

Hello. I have only begun the exciting task of learning the programming language C++. I am currently being educated in programming in C++ at my school. It is my ...

[1 reply] : well... frankly the code standards would be so outdated that asking fo... (by closed account 4Gb4jE8b)

by Kieth89

Why won't this program work?

Nevermind, I finally figured it out. As usual it was a little silly mistake. I forgot to finish converting the mass into meters. Don't know why I didn't catch...

[no replies]

by teguh123

Const char *p

Which one is constant? p or *p? And how do we tell? This confuses me all the way till now

[7 replies] Last: Disch, I made a program to test that. (Is this becoming a cliche for m... (by rocketboy9000)

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Beginners - January 2011 (Page 36)