[double] Forum Topics

i'm making this function that replaces single slashes in a path with doubles slashes. It works for everything but slashes because I gotta use doubleslashes to specify a single slash so how do I refer to double slashes. QString AddDoubleSlashtoPath(QString Path){ QStringList splitup=Path.split("//") ;/*supposed to be a single slash*/ QString …

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I am working on a practice exam right now and I came across a write-your-own code problem that I can't figure out. The question is: > Modify your first function. In addition to returning the greatest value by pass-by-value, you should also sent a true/false value back to main() if …

I'm trying to make a bubble sort to sort numbers like 3.2, 5.8, etc(double / float numbers). I have this code so far, but I'm still trying to learn and don't know why my code isn't working the way I think it should. Any help is appreciated. [CODE]using System; using …

Hi there, I'm having a little bit of trouble modify my colleagues old website (a new one is being made currently, but I'm tasked with fixing some issues with the current one). Look at the blue buttons saying Previous and Next on the bottom of this page: [url]http://www.electrix.co.uk/view_products.php?offset=10&id=86[/url] In IE7 …

The issue with my program is that it does not calculate how many times the specific value has occurred. I believe that I have everything in place, but I'm not sure to as why it wouldn't work. Any help and/or feedback is kindly appreciated. Thanks! Ok, so basically this program …

I'm trying to determine the minimum range of floating-point types. It's easy when using values from standard headers: [CODE]#include <stdio.h> #include <float.h> main() { printf("Minimum range of float variable: %e\n", FLT_MIN); printf("Minimum range of double variable: %e\n", DBL_MIN); return 0; } [/CODE] This code gives the following output: Minimum range …

I have made a program to make a rectangle in a text matrix. It begins asking for width and height. The variable must be greater than 2 and a whole number. The only problem is if a user enters a character instead of a number, or a decimal instead of …

hi, i need a help for making double link list program in C double link list (file.h and file.c) in prototype insert first, insert after, insert last, delete first, delete after, and delete last. this program required in hospitaL you can email me : <email removed> (zip) i need for …

I am a new member of this forum!:icon_smile: and I just want to introduce myself, my name is Inda and i am from Indonesia. i need for your help guys, i have some problem in double link list, how it make in .c and .h?

SO YEH MY problem is its not reading the whole file and inputing it to the stucture.. i believe that the problem lies in the adt.( the last source code on the bottom) in the private adt search function, insert function, and traversal..... ive been wreking my brains out trying …

SO im trying to get this source code transformed to a double link list it has two nodes sentinel and header....the source code was used to be a singly linked list..... nyhow i cant seeem to get this whole thing right..... it works fine when it was on its orginal …

in this program i'm writing, i seem to keep getting rounded down values. At first i though it was because i was declaring my return variable as an integer so i made sure i wasnt doing that and changed all number variables in the class to doubles to ensure i …

ok so I am practicing with a basic carpet calculator , but when I came midway into it I noticed the " (double) " data types , I know its used to shift a value's decimal places two places but in this case it is acting the same way how …

I have a webpage that builds an html table if there is any data in a mySQL table. That works fine, the html table is populated with data from the mySQL table. My problem is when there is data it populates the html table but lists the first mySQL table …

[CODE]#include <iostream> #include <string> #include <windows.h> using std:: cout; using std:: cin; using namespace std; int main() { unsigned long n; char Answer; string mystr; do { do { cout << " What is your name? "; getline (cin, mystr); cout << "Hello " << mystr << ".\n"; cout << …

I am a beginner to Android programming. I am trying to convert an string(from an EditText widget) to a double Whenever i run the program, it crashes whenever the parseDouble function is used: [CODE]Double.parseDouble( input.getText().toString() ); [/CODE] Does anybody have an idea why parseDouble causes my program to crash and …

So I have a component that renders very slowly. The problem is that I can only render inside the event handling thready, which shouldn't be freezed. Long ago in pascal/assembly I used backbuffer and page flipping. I've read that Java supports double buffering, but no info about thread safety. So …

hi, i am writing a program that keeps track of the money in my debit card account. i need the program to be able to pull out a value (such as 1.56356) from a text file, round it to the nearest hundredth, and put it back into the file. any …

Hi, I have a Dell Inspiron n14 Laptop, I am getting an error while writing a DVD +R DL. The DVD drive is DVD+-RW DS-8A5SH. The software used is NERO 10. Although the software Nero Infotool identifies the DVD drive to support DVD + DL for write and read both, …

Hi there, I'm working on a map for a class assignment and running into trouble. I've tried looking around the web but couldn't find anything that helped. I know how insertion works on a basic level when returning a node pointer but think i'm missing some key ideas when using …

hey guys heres a portion of my code, im trying to validate a users input of price and then convert it to cents before doing some other calculations. Im having problems with my validation still somehow allows letters if they are not the first digit entered. For example, a2 is …

Hi I'm looking for an efficient way of converting an array of integers to an array of doubles. Currently I'm doing this: [CODE]int *a = new int[1000]; //And then assign values to the indexes double *b = new double[1000]; for(int i = 0; i < 1000; i++) { b[i] = …

I have done some calculations in two textbox data type is double like 9/8 The answer is in point [B]1.125[/B] how can i make it in complete value. like if it is less than .5 it take 1 as complete number. or if the answer is above .5 then it …

Hey everyone, I am writing a program that requires me to use an array to find the mode of 10 numbers. I have working except I want it to just print the mode, but it keeps printing every number I enter. Any suggestions? Thanks in advance. [CODE] import TerminalIO.KeyboardReader; public …

Is it possible to overload an operator for a built-in type? And if so what is it's syntax? EG: [CODE]//Use of overloaded operator^ for types double and double (assuming it is overloaded for exponent): double a=10.0; double b=2.5; double pow=a^b;//pow is approximately 316.22....[/CODE]

Hey everyone, I'm trying to figure out how to convert from an Integer or a Double into a string. I want a string variable to print out on a command line. Thanks for any help. - [B][I]WolfShield[/I][/B]

[CODE]#define _LL_BUFFSIZE_ 2048 string lastLine; lastLine.clear(); // regardless, zero out our return string char buff[_LL_BUFFSIZE_]; // our temporary input buffer data_filet.seekg (0, ios::end); // go to end of file int length = data_filet.tellg(); // find out how large it is data_filet.seekg(length-min(length,_LL_BUFFSIZE_),ios::beg); // seek back from end a short ways // …

Hello, I am writing a program that integrates a function and returns the integrated value. The integration is to be performed from 0 to an upper limit which I specify. But the function I am integrating does not allow 0 to be used as the lower limit, as using 0 …

Hi all, I have a question regarding PHP login systems. Is it possible to have a login system within another login system. Here's an example: I login to a site and PHP creates the session. I then want to access another page with some higher-secure content so I ask the …