Software Development Forum

Swap 2 number without using third variable code do not use temp variable for swapping if the code was useful please let me know [code]#include <stdio.h> void main() { int a,b; printf("enter number1: ie a"); scanf("%d",a); printf("enter number2:ie b "); scanf("%d",b); printf(value of a and b before swapping is a=%d,b=%d"a,b); …

I'm trying to show a user JOptionPane where they enter x and y coordinates each in their own textfield, but I don't know how to store user input as ints. So I need to do something like: int xCorFromUser = xCor; int yCorFromUser = yCor; I have this code so …

Group, I've created some spreadsheets that others use. The headings of the spreadsheets are divided up with colors. However after I've created these and saved them formatted as I like, some of these cells are changing automatically after the other users open them up. I've read online there may have …

Hi Group, I've recreated a spreadsheet that has multiple macro's behind it. One of these macro's opens and existing file, copies the data in it and then pastes it into the original workbook (where the macro's originate) and then closes the existing file. After the copy and paste is done, …

#include <stdio.h> int main(){ int i,j,k=1; int loop_count = 10; for(i=1;i<loop_count;i++){ if( i > 1){ for(j=0;j<i+k;j++){ if( i == 2 ) printf("*"); else{ if( j%k == 0) printf("*"); else printf(" "); } } k++; }else printf("*"); printf("\n"); } return 0; }

Dear DaniWeb community, I am not from computer science background (math guy) but I am interested in machine learning and apache mahout. I have used Mahout CLI and recently looked at development environment and wanted to ask you: while running mahout CLI, we do not have dependencies but in development …

Hi I have below code to save pdf file in sql. but getting error **"Cannot Bulk Load. The File "D:\xyz.pdf" does not exist."** Private Sub ButBouncePdfAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButBouncePdfAdd.Click Try If TxtRefNo.Text <> "" Then OpenFileDialog1.InitialDirectory = "d:\" OpenFileDialog1.Title = "Select PDF File" OpenFileDialog1.Filter …

Hello everyone. I am new to c++ and I just wrote a program. I am on linux so just saying. This is the code. What keeps happening is all the commands just keep coming. here is an example. Welcome to the Calculator. Please enter your operation. addition Please enter your …

#include <iostream> #include <cstring> using namespace std; class String { private: char *ptr; public: String(); String(char* s); ~String(); operator char*() { return ptr; } int operator==(const String &other); }; int main() { String a("STRING 1"); String b("STRING 2"); cout << "The value of a is: " << endl; cout << …

Hello, I have a file like below that contains datewise value for every hour for 2 locations. I need to add the value for the same hours for ServerA and ServerB. Using Hashes, I am able to add the server value per hour. But cannot pass it to a table. …

Hello Daniweb Community, I'm wanting to slice a square image into 9 pieces like below  the code I'm currently using is this Private Function CropBitmap(ByRef bmp As Bitmap, ByVal cropX As Integer, ByVal cropY As Integer, ByVal cropWidth As Integer, ByVal cropHeight As Integer) As Bitmap Dim rect …

Hello, I have an instance called "Instance". From the button event I try to create 2 Instances of "Instance". I want those 2 Instances to be completely separate from eachother in terms of the variables that exists inside "Instance". So for example you can see the List variable: "instanceValues" However, …

Hello Programmers! I am trying to write a recursive implementation of the quicksort algorithm in C++. I believe you all know what it is so I shall not go into the details. However, I run this, but it never ends. Going through it with a debugger shows that my partitioning …

hey guys Im here again :P Here is my code for bank account class.. #include<iostream> #include<iomanip> using namespace std; class account { private: int account_balance; public: account(int acc) //constructor { if(acc>=0) { account_balance=acc; } else { account_balance=0; cout<<"initial balance is invalid"<<endl; } } int credit(int ammount) //credit member function { …

Hi Daniwebbers, can someone help me How to figure out the depth of a dynamic hash (hash of hashes) in perl. If it has consistent structure, we can traverse through while/foreach and find out the depth. Could anyone point me the right and best way to figure it out. my …

Does anyone currently use Xamarin framework for development? Its supposed to enable you develop cross platform with c# but some C# code i use in a console app that works properly doesnt work in Xamarin. Wandering if anyone has got that sorta issue.

Hello once again! I have searched in vain for a solution to this issue however, any threads that I've seen online were regarding copying a specific state of a dynamic image and were unresolved...or were more like what I was looking for and it was unresolved. My current form uses …

can anyone please tell me what's wrong with my code? I have made this code but the compiler is giving the error that all member functions are non-class type. I can't fix this. Here is my code: #include<iostream> #include<string> using namespace std; /*class Invoice which demonstrates capabilties */ class invoice …

Hello all. So, I'm in my final year of my B.Tech. in computer science programme and I have to do a project for my final year. The thing is I want the project to be unique/innovative. I brainstormed a few things: 1. An online music player that can store your …

Hi there I'm creating an invoice generator program, first the user must enter the number of products to diplay on a pdf file, below are my codes. My proble is, this if statement does not run as expected Private Sub Add_New_Order_Item_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load …

i'm a newbie in java and i got an assignment to do and i don't know how to start ... the problem is: Write a program that will compute for the product of two numbers without using the * operator.. Sample Output: Enter Num1 :___ Enter num2 :___ Product is …

Hello there! I've created a method that searches for the customer with the highest deposit. Here's what I have so far: public Customer searchHighestDeposit(ArrayList<Customer> customers){ for(int i=0; i<customers.size();i++) if(customers.get(i).getBankAccount().getBalance()>customers.get(i+1).getBankAccount().getBalance()) return customers.get(i); else return customers.get(i+1); return null; The output is kinda weird: "The customer with the highest deposit is: bank.Customer@c390508" The …

Ok here what am trying to do, when its scrolling left, I want to get the full length of the lblmarquee caption and then when it scrolls to the end of the last letter or caption it will then auto change to right scroll and then back to left so …

#include <iostream> using namespace std; main() { int matrix[2][2]; for (int i = 0; i<=2; i++) { for (int j = 0; j<=2; j++) { cout <<"Please Enter matrix "<<i<<"th row and "<<j<<"th Column "; cin >>matrix[i][j]; } } //Display the Matrix for (int i = 0; i <= 2; …

guys how to make templete , or any link to tutorials of templete in c++

what simple cin.ignore() do without any parameter

Okay, so I've got a carpet calculator program. It figures feet, calculates cost. I have a class named RoomCarpet that I receive the error C2228 left of '.getFeet' must have a class/struct/union in the .cpp file. I'm declaring in RoomCarpet.h and trying to implement in RoomCarpet.cpp. I have the .cpp …

I am using fstream to open and close a file. The code works OK, except the the file does not close when I close it the first time. I need to invoke close twice. Any idea why? And, what this is saying about my code that I do not realize?? …

Little bit confuse on how can I turn this if else statement to a do while statement. Need some help.. #include<iostream> using namespace std; int main() { int div1,div2,rem,num; int count1=0,count2=0,sum1=0,sum2=0; system("cls"); cout<<"Enter divisors : "; cin>>div1>>div2; cout<<"Enter remainder to search : "; cin>>rem; cout<<"Enter number 1 : "; cin>>num; …

Hi experts. I'm in need for your help. is it able to create a software who can check if a text file contain a text for example Words.txt has few words inside like: "work, job, play, study, go, house" and at Words1.txt have words like: " People, fun, jokes" can …

Hi Group, I'm getting the following error message as soon as the application opens: ************** Exception Text ************** System.NullReferenceException: Object reference not set to an instance of an object. at IPSDataUpdate.Main.RunComplexProperties() at IPSDataUpdate.Main.Main_Load(Object sender, EventArgs e) at System.EventHandler.Invoke(Object sender, EventArgs e) at System.Windows.Forms.Form.OnLoad(EventArgs e) at System.Windows.Forms.Form.OnCreateControl() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at …

Hello, I want to know addresses of some coordinates, so I use geopy. my code is from geopy.geocoders import Nominatim def to_degrees(lats, longs): lat_deg = lats[0:2] lat_mins = lats[2:4] lat_secs = int(lats[5:])*60/10000 lat_msecs = int(lats[5:])*60%10000 lat_str = lat_deg + u'.'+ lat_mins + str(lat_secs) + str(lat_msecs) lon_deg = longs[0:3] lon_mins = …

Hi. I,ve got some very helpfull advice from various experts on here and have nearly finished my program but am having a problem with a do while loop. When i try to put a do while ( the input isn't numbers one to ten) loop on a certain part of …

Okay, here I am again. I searched the forum and found the posts that I need to solve this password validator, but I'm not putting it together in my head correctly for some reason. I haven't started the isUpper, isLower, and isDigit functions, but I'm going to do those next. …

ok, so I'm trying to basically load a dll that can be under multiple names: - freetype6 - libfreetype-6 and more I don't want it to find freetype.dll (I want it to search for 'freetype' and '6') how can I load a dll with a regex from the system paths?? …

Hey guys! So I'm making simple PetShop program based on an UML diagram I did. Anyway, I have 4 classes: PetShop(It's the main class), Pet, Customer, Transaction. I'm having an error on line 22 saying it cannot find symbol. I have the adopt() method in the Transaction class. Here's what …

Dearl all, Is there any way or codes for export dataset or datatabe to excel file. Whenever I use click event in the button, it will save my report in an excel file. My information inside in datatable (dataset) from database and I want to save it in excel file. …

A strange phenomenon! What is this number 8! We are in the 2.7 version of Python. **MY CODE ** x = raw_input("write a list! utilisation of raw_input ") y = input("write a list! utilisation of input ") print x, "resultat of rawinputation" print y, "resultat of inputation" **My input and …

Please ,could you explain this sentence The wins should be input in a parameter-less value returning function that returns the wins to the main function returning function just returns value and does not print message , right ? #include<iostream> using namespace std; int wins(int wins) { cout<<"Please input the number …

Hello I need help with this java tax assignment it is asking to Write the Java code needed to perform the following:• Calculate state withholding tax at 6.0%, and calculate fed-eral withholding tax at 25.0%.• Calculate dependent deductions at 2.0% of the employee’s salary for each dependent. public class Payroll.Java …

hey everyone im making a program that takes a number (n) from the user and then decides if it is prime or not and prints that decision to the screen [CODE] from math import * def main(): n=eval(input("please enter the number you wish to check:")) n=abs(n) if n < 2: …

Write a program that takes length as input in feet and inches. The program should then convert the lengths in centimeters and display it on screen. Assume that the given lengths in feet and inches are integers. Based on the problem, you need to design an algorithm as follows: 1. …

Hi every I am doing over my programming final project trying to see where I have gone wrong. And slowly am beginning to see some of my mistakes, I guess I was a bit overwhelmed anyway, the is part is where I was and still a bit confused. What is …

**Part A.** Define a function triangle that draws an equilateral triangle and takes two parameters: 1. t, a turtle object 2. size, the side length of an equilateral triangle **Part C:** Define a function flagLine that takes 3 parameters and draws a line of flags (triangles). You MUST use the …

I've searched all over the Net and here on DL but I can seem to find only information on passing a single argument when opening a new form. When I attempt to send more than one I get the "Too many arguments to 'Public Sub New()'" error. I am trying …

Hello, people. A newbie here... sorry. A hired programmer (who doesn't use Windows) is writing a Python thing for me, On my Windows 7 PC, I installed Python v 3.4.3, and he says that I need to install certain non-standard modules... lxml, requests and xlwt from http://lxml.de/ http://docs.python-requests.org/en/latest/ https://pypi.python.org/pypi/xlwt Trying …

Hey guys, I am debugging some random files trying to get into gdb and I came accross a question how many machine instructions are used for this : `double x, dx, ans;` I guess I could see based on memory addresses and the size of double that 3 variables are …

basically, what I want to do is add a function name to an outside reference in a safe sys.modules reference without copying the name... best idea I got is to call a 3rd party function: def myfunc(args): x = None return x addname() # add 'myfunc' to sys.modules['/safe_ref/'] anyone got …

i want to make an application, where user can upload their images and display it in Image control without physically saving it in a folder on disk. after done build the cone, an error show on this line. Dim base64String As String = Convert.ToBase64String(bytes, 0, bytes.Length) Error show on the …

The question sounds like this Permata store is a stationery store. It offers discount for every purchase as stated below. Write a PROGRAM THAT CAN DISPLAY THE DISCOUNT OFFER, ACTUAL price, and price after discount. -Amount spent Entittled discount 50-100 3% More than 100-300 10% More than 300 15% Can …