Software Development Forum

I have the code if (!(row.IsNull("bigInt") || row["bigInt"].Equals(String.Empty))) { this.bigInt = Convert.ToInt64(row["bigInt"]); } But, it's give to me the error: Cannot inplicity convert type 'long' to 'int'. An explicit conversion exists (are you missing a cast?)

Hi , any one can help me code for how to parse the below file. -*: M V3.1SP0010*20140925 #-+: 131854 # PROLIM Package V20.02 { FILE = "54377948"; COMM = "U:fe "S; { COMM = "FE_slt"S; SEQ = "FE_crt"; SEQID = "FE_slt"; MEMO = " "S; SA = HEAD; PORI …

i did the Get macro and works fine: #define Get(x) [this]()->x (like you see it's a lambda function header) but i see 1 problem(sample): Get(int) like you see the type is inside of the macro function :( but i need it: int Get() can anyone advice me for do these …

hi i need K-means cluster algorithm for documents in c#.plz send the code to my mail id ....

`use the button click event ` then type the following codes opendialog dp= new opendialog.show(); dp.location=dp.flielocation

I want to addtiming execution in java code but I don't know how? Here is the code of Bucket sort import java.util.*; public class BucketSort{ public static void sort(int[] a, int maxVal) { int [] bucket=new int[maxVal+1]; for (int i=0; i<bucket.length; i++) { bucket[i]=0; } for (int i=0; i<a.length; i++) …

os.environ['HOME']+'/.xsend' what it means

please am now a biginner in learning c++ programming. I want to know when do we use include <cmath> apart from the normal include <iostream>

Hi, I'm looking to make a log form, for a car park at a hotel, where I have to enter the plate, customer names and the space it has been assigned to. Program Requirements When a guest arrives, the valet will take or note the following details and enter them …

I'm with a problem for show my Form1 and listen the active url in on browser. In code following, after the test with showmessage function, apper an Acess violation in my project as on following images: [IMAGE_1](http://prntscr.com/51vh96) [IMAGE_2](http://prntscr.com/51vkdn) Here is my code: unit Unit1; interface uses Windows, Messages, SysUtils, Variants, …

I'm fairly new to java, so forgive my incompetence. This program is pretty simple, I'm trying to take the string that a user inputs and return the vowels in the string. The error I'm getting is as follows: > VowelsA3.java:16: error: cannot find symbol > if (isVowel(letter) == true) > …

have to write a program using array that asks the user to input any 10 numbers the program than sorts the numbers in ascending order and displays the sorted numbers, kindly help

I have write this program,how to sort the numbers? // ddd.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include<iostream> using namespace std; struct nodeType { int data; nodeType *link; }; nodeType *head; int main() { // // Init the list // nodeType *first; nodeType *last; …

Hello, I am having trouble with my inventory program. I made the first part last week and thought I did a good job. Come to find out I did not and the feedback I recieved from my instructor was not very helpful. Is there anyone that can help me fix …

Hello all I'm learning VB and I've hit a road block. I've tried looking in books and searching the web but I can't seem to find an answer at all. I've been trying to get the streamreader to read my text file and display it in a list box. Hever …

HI again!!!!!!!!! so i have this button where if i press it words will be typed on my richtextbox but my problem is i want the half part to be centered and the half part would be aligned to the left. how can i achieved that. i have already done …

I have this if block that is supposed to be creating a pipe then forking and I would like to combine the while loop below it with it. How would I do that? p = pipe(pipe1); if (p < 0) { printf("pipe error"); exit(0); } else { printf("successful pipe1 = …

I started off reading a file with fscanf. I figured I could use fscanf since the file was consistent with just two columns. I got very strange output when using fscanf. Can someone please explain why? When I switched over to fgets with sscanf it worked perfectly. I am curious …

I have an xlsx file consisting of 10 sheets.How can i read and import these sheets to a textbox in a c# winform project?

Hello everyone,i think i know quick sort algorithm.But i need help in figuring out its worst case. Lets look at the below quicksort code----> void quicksort(int arr[],int low,int high) //low and high are pased from main() { int m; if(low<high) { m=partition(arr,low,high); quicksort(arr,low,m-1); quicksort(arr,m+1,high); } } int partition(int arr[],int low,int …

when i try to call a .c file in antother i got a error for multidecalaration of main file.i prepare for a medical shop management using c language what can i do???

So basically we'll just say that, for example, the user inputs 'As' and it is set to variable 'A'. I have an input .txt file that has a list of these characters (it's for figuring out molecular geometry) so somewhere in the text file it says 'Arsenic As 5' I …

Good day, Can anybody help me with this question please? I want to know how to write info back to a program line. In other words to be able to search for a file and put it into the xslt.Load(".....") This is the source code to transform XML to HTML …

http://pastebin.com/WBvMuQvH my code has become somewhat of a mess from trying to move things around and figure out what isn't working. Basically, what i want it to do is, say the user enters 3, i want it to print out: 1 212 32123 Could you guys give me some help? …

#include <stdio.h> #include <stdlib.h> #include <math.h> #include <string.h> #include <time.h> #include "GCoptimization.h" #include "opencv/cv.h" #include "opencv/highgui.h" #include "opencv/ml.h" using namespace cv; #include <vector> #include <iostream> #include <limits> using namespace std; #define __PI 3.14159265 void graphcut(Mat& featureVec, Mat& im, int num_lables) { Mat lables, centers; cout << "Kmeans: #centers = " …

I have this as my major code #!/usr/bin/env python # # @author: Joseph Rex # @website: http://josephrex.me # @repository: http://github.com/bl4ckdu5t/registron # # # import sys, webbrowser from PyQt4 import QtGui, QtCore from ui_registron import Ui_MainWindow try: import pyttsx except ImportError: raise ImportError, "pyttsx module is required for speech features of …

Hey guys, Just got a quick question ... I am implementing a client GUI, and part of the requirements are that the client is able to start, stop and restart the server. This got me a bit confused since the client connects after the server is running. What I am …

How to replace only 1d values in 2d array after filter using numpy in python without loop i.e in pythonic way. I want to filter only t2 rows and replace values in second column ( middle column ). example: `>>> x = np.array([['t1',10,20],['t2',11,22],['t2',12,23], ['t3',21,32]])` >>> x array([['t1', '10', '20'], ['t2', …

Can someone explain to me what I am doing wrong? I am trying to get a word to repeat the number of times as the number input. I tried a list box and a text box and I cant seem to figure it out. I am having trouble with a …

if a gui have 2 text fields and there are 10 buttons(0-9) to input numbers in text fields then how it will choose that which field get input. this i problem in my gui i write 2 methods but not working my code is below public void actionPerformed(ActionEvent e){ if(e.getSource()==b1){ …

Hi, im having trouble to read from the keyboard the number of employees the user wants and in allowing the user to input up to 10 employees. package application; import dataStructures.*; import java.util.Scanner; /* this is the list of employees * */ private LinkedList<String> employeeList; /* constructor */ public TrainingCourses(){ …

Cannot seem to make the message box to not appear when I click cancel. Help please ! Private Sub btnEnter_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEnter.Click Dim input As String Dim total As Single Dim average As Single Dim count As Single Const msg1 As String = …

Write a program using user-defined methods. Write the following methods: 1. getPrice() which asks the user to input the original price of an item. 2. getDiscount() which asks the user to input the discount rate. The method should return the decimal version of the rate. For example, if the user …

Hi all, my question is as follows: If I use the code as below: text = '中文' #Text is in Chinese, whereby text = 'chinese' with open('file.txt','w', encoding = 'UTF-8') as f: f.write(text) f.close() My file.txt on Windows notepad will show it as saved as UTF-8. However, if the text …

Hi ive been trying hard to get a img url collection from a textbox.. or how to stop loop on 3rd img url please help me. Thank You.. Heres What ive Got.. URL: https://www.facebook.com/tony.trujillo.3517 Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim PageElement As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName(TextBox1.Text) …

How can we find the logic of a C++ program.

I spent 4 hours trying to find out how I can add the digits of a number. Could you give me an idea?

Hey ya guys, it's my first topic on DaniWeb, sounds like a good place to find help with programming. :) Today I'm trying to compile a simple code made for PyQt4 using cx_Freeze, but I'm getting an error, I'll show you all the codes: [B]example.pyw[/B] [CODE]import sys from PyQt4 import …

Can anyone tell me why I have an infinite loop when reading from a pipe? i = 0; while(i < 10) { test_value = read(pipe3[READING], &message, sizeof(struct MESSAGE)); printf("test_value is %d \n", test_value); //printf("Entering infinite loop \n"); //printf("i is %d \n", i); //nbytes = read(pipe3[0], array, 45); //printf("nbytes is %d …

//why the getters declared twice,public,and than protected at the end of this code? And how to assign the copy constructor between this 2 classes? class Person { private: string name; string address; string city; string state; string zipCode; public: Person() {} Person(const string& aName, const string& anAddress, const string& aCity, …

create a program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as the total point value per grade available

why do most people use brackets in this way when it comes to Java. Pospular IDEs also use this method by default class Test{ public void test(){ } } than this way class Test { public void test() { } } The second method is obviously easier to read.

Here is a sample of the XML I need to get the <Order Header> Nodes, then loop through the <Order Detal> <Line> Nodes Using xml Reader "Using reader As XmlReader = XmlReader.Create(New StringReader(sFileContects))", i get all the header information, but cant properly parse the Line Iformation Using LINQ "Dim xd …

I'm fairly new to C++, I've only been learning it for 4 months now and I've been having problems with a template class file that i was creating for my project i kept getting the error [QUOTE] main.obj : error LNK2019: unresolved external symbol "public: __thiscall Intervals<float>::Intervals<float>(float,float)" (??0?$Intervals@M@@QAE@MM@Z) referenced in …

for(int i=0;I<20; i++) { `Inline Code Example Here` messagebox.show("the values is " '"+i+"'); } else { messageBox.show("ooops vlues is greater then 20"); }

The code below is giving me the SIGSEGV error, segmentation fault at line number 66(found using debugger).According to me everything is fine but still don't know what is done wrong by me. Please someone help me out to sort the problem #include <iostream> #include <string> #include <fstream> #include <cstdlib> #include …