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Beginners - September 2010 (Page 13)

"Hello World" project for borland c++

I tried the available source code for the Hello World console project and none works.

[13 replies] Last: The problem is that you are trying to compile as a VCL application (Wi... (by Duthomhas)

So I"m having some issues with exceptions. I don't even know if I'm doing it right or not. All I want is to have a user select an equation and if the number is ...

[5 replies] Last: Quicklink: http://cplusplus.com/doc/tutorial/exceptions/ I agree w... (by Albatross)

by stepan89

SerialPort

Hi, Can anyone help me how to read data from a serial port (COM1, COM2...)? Or recommend literature/links where I could find more information about this. ...

[2 replies] Last: This is dependent on the Lib you're using. Have you picked one yet? Wh... (by Computergeek01)

by mconell

priority_queue questions

Hi. I was trying to code the algorithm from here: http://en.wikipedia.org/wiki/Prim%27s_algorithm But I don't know how to update a value in a priority_queue ...

[5 replies] Last: Thanks for the replies! ne555: It's true that I can use the edges and... (by mconell)

by ufool71

Converting from String to Hex C++

Hi, I have a .txt file that has a list of hex values that i need to load and use. I am able to open the file and read in the hex values as strings and dont k...

[2 replies] Last: Thank you...that worked wonderfully :) (by ufool71)

by Flynn380

Trouble with if-else versus switch-case

Greetings, I am quite new to the programming world and am currently enrolled in a college course on C++ programming. That being said, we are only starting o...

[6 replies] Last: I don't think you can use switch in this case because you don't have... (by wasabi)

by AlphaBravo

Can I restore a random_shuffle on a string?

I was wondering if the following random_shuffle could be reversed? ie; restore the alphabet to its original string arrangement after being passed to a differen...

[9 replies] Last: Right gotcha Use srand (seed) instead of srand(time(0)); (by AlphaBravo)

by Brianzor

setw() zigzag

The problem I'm having involves the field width of setw(). My assignment requires me to give an integer output and a millisecond output to control the speed wh...

[2 replies] Last: Also, you should remove the auto keywords. auto is deprecated and it ... (by Athar)

by Jakewins0

Two digits in a date

So I am doing a calculating date to day of the week assignment for my class and one part of it has me all stubbed up. In the "procedure" for calculating the day...

[5 replies] Last: Oh okay so 1961%100 is just 19 with a remainder of 61. Got it. (by Jakewins0)

by dznguy

uppercase = lowercase

hi, im just wondering when i type in a letter, how do i make it so that it will recognize that the upper case letter is the same as the lowercase of it. i.e. ...

[10 replies] Last: comparing your model and my switch in switch model, the only problem t... (by dznguy)

by Lucrin

Convert Character to Numeric ASCII

Ok so I need to write a translator program that will convert a single line of text from characters to their numeric ASCII equivalent. Here is an example: Att...

[4 replies] Last: Not yet, but it will when C++0x becomes the official standard. I jus... (by sohguanh)

by xander333

variable not incrementing?

I'm making thise database program and I have a class item. I need to call it with a name, price, amount and ID. For the ID i use int i as a side variable. Yet,...

[13 replies] Last: The order of the variables in the initializer lists does not matter - ... (by Athar)

by Matorian

Question on how to write a program to test statements

I'm in COSC 1436-8001 in community college at the moment learning C++. I'm doing a problem in the book and i'm just confused on the last part f. I've done al...

[1 reply] : Hmmm..... maybe you want to consult Java JUnit framework which is over... (by sohguanh)

by georgewashere

compound vs simple interest exercise..

Hello again, sorry to bombard the forum with noob questions but I was stuck on this problem yesterday, came back today and still can't figure it out. Exercis...

[3 replies] Last: @george, One of your classmates posted the same questions in s thre... (by nathan10)

by Lucrin

ifstream question

Ok I am writing a translator program for a class I am taking. If i am using an ifstream called inputFile I know I can use inputFile.get(char) to read a single c...

[3 replies] Last: It reads until whitespace, and does not include the whitespace in any ... (by LB)

by yts

array and string

#include <iostream> #include<cstring> #include <string> using namespace std; int main() { int i=0; string t; int a; cout<<"plese enter the n...

[7 replies] Last: http://cplusplus.com/reference/algorithm/find/ ^I'd do it using this.... (by Albatross)

by Miltek360

Completely lost Arrays

I have an assignment that requires me to calculate and print the sum, mean, variance, and standard deviation of a set of numbers. This is the sample code giv...

[7 replies] Last: Thanks Guys I really appreciate it......aspecial thanks to Thumper for... (by Miltek360)

by pbmichel

trouble with pow function

Hello, I am CS student at University. I am trying to write program to find time it takes for metal spheres to reach the ground. The equation is (2h/g)^(1/2) ...

[2 replies] Last: I'm pretty new to this but wouldn't it be far neater to declare a clas... (by ThePillowist)

by ffcalixto

Non-void function

i need to prompt user by name to enter a favorite number. im trying to creat a non-void function to send the user's name and obtain and return favorite number ...

[4 replies] Last: I don't think you fully understand basic functions, research them. The... (by quirkyusername)

by Mike200

passing lists to functions

Hello, I have a problem with lists. Basically I would like to create 3 pointers to bunny objects ( lines 5 to 7 ) and place them in a list. Then I would like t...

[4 replies] Last: of course ..!! Brilliant ..!!. it works, thanks again m4ster r0shi. (by Mike200)

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