64,152 Solved Topics
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| | I need to find the exact operation count and i got confused over the below 2 Is a=b+c+d considered as one instruction or 2 instructions? Similarly is a+=b one instruction or 2? |
| | Hi, I did checkout many solutions on daniweb but couldn't get anything positive. i am new to vb.my idea to is to cycle through the cell values of particular column in a datagridview. and if duplicates are found, display them in a message box. Dim wacko As String wacko = …  |
| | Here is my java connectivity code to Oracle [CODE]public class OracleConnectivity { public Connection con; public Connection getConnection () { try { Class.forName("oracle.jdbc.driver.OracleDriver"); con=DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:dhanesh","dhanesh","root"); Statement s=con.createStatement(); s.executeUpdate("insert into test (num,txt) values (2,'hi')"); s.close(); con.close(); } catch(Exception e) { System.out.println("Connection failed"); e.printStackTrace(); } return con; } public static void main(String[] args) … |
| | hey guys, im wondering if its possible to ping a website while logged into the website so you can ping a certain page which you couldn't if you was not logged in. Any 1 shed any light on this please? I seen CMD ping through VB but that doesn't have … |
 | I'm having problem trying to find out what is wrong with a code. Here's what it is supposed to do. 1. The messagebox should only appear if a record already exist in the database 2. If there is no record of the same information, then it would save the new … |
 | Here is my code:- [CODE]/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package wrie.and.read; /** * * @author Administrator */ import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.*; import javax.swing.*; public class WrieAndRead { JFrame frame; JTextField field; /** … |
| | Hi guys, the title says it all, I have produced list of numbers from a c++ program into an excel file, and I want to make a CDF graph out of it. What I know is that I need to find numbers greater than zero, then number greater than one …  |
 | [CODE]<a href="?id=home">Home</a>[/CODE] is there any option available in Javascript for getting value of "[COLOR="Red"]?id=[/COLOR]home" ???? |
| | Hello, I have tried my best in achieving this, and for some reason, it's not working. What I am trying to do, is to write to file and echo on screen, a converted version of how many bytes/megabytes etc. a file has been uploaded, and echoed on screen upon success, … |
| | My objective is to implement a GUI calculator in java. I am thinking of passing the expression entered by the user to bc and then get output from terminal and print to user. My question is [LIST=1] [*]How to execute a terminal command from java so that i can pass … |
| | Good day to everyone. I have this trouble of stopping the timer at a specific time, say I have to stop the timer at 1:30. When I try to run it, it doesn't stop. Please help. Here's my C++ code. [CODE] #include <iostream> #include <time.h> using namespace std; void wait … |
| | I have an approve.php inside an /include directory. I have another file inside the /pop_up directory. Approve.php [CODE] if (!isset($_SESSION['username'])) { header("location:log_in.php"); die(); } [/CODE] When i run the include('include/approve.php') code in files in the main directory, it works. When I run the include('../include/approve.php') in files in the pop_up/ directory … |
| | Hiya :) After a couple of years I have decided to start programming again and trying to catch up with php5. I have come across a bit of coding that I don't quite understand and would like if someone can tell me exactly what is going on here. :) This … |
| | I am trying to get the program's decimal to output in two decimal places after the decimal. Please advise. [CODE] // MilesPerGallon.java // Program designed by XY import javax.swing.JOptionPane; // Needed for JOptionPane. import java.text.DecimalFormat; // Keeping proper decimal format. public class MilesPerGallon { public static void main(String args[]) { … |
| | I don't know how to write code to exit for this program.someone please help me :( [CODE] import java.awt.*; import javax.swing.*; import java.awt.event.*; public class Panel extends JPanel implements ActionListener{ private JTextField height, weight, answer; private JButton calc, clear, exit; public Panel(){ this.setLayout(new GridLayout(2,1)); JPanel topPanel = new JPanel(); topPanel.add(new … |
| | I am new to python and cant figure out what I am doing wrong with the global variables. Here is an example of the problem I am having. number = 0 def test(): global number number = raw_input("Please type a number.") def prints(): global number if number2 != 1: print … |
| | I'm probably missing something really obvious, but I downloaded the Python 2.72 release, and now I can't figure out what to do. I've tried googleing it but everything says to just install it. Is that install the setup.py file? If it is, how do I run a python file if … |
| | Bear with me, I'm not the best at PHP, and I have to take over a project somebody else abandoned. They built a form where people choose one or more classes, and how many people they're enrolling. Once the user picks a class and the number of enrollees, they press … |
| | Hi Apologies if this is not the correct forum for this question. I am running xampp. I have 100+ image files in a directory that I wish to rename. The old filename and the new filename are stored in an mysql database I want to write a routine that will … |
| | I have been programming in C++ for a while now. I heard about RSA Encryption algorithm, and i have read many online sites on how it works. But i still cant grasp how the algorithm works. i have tried to make programs with RSA, but they doesnt encrypt. If you …  |
| | hi every one. i am making a booking app in vb.net and im using sql server as my database. i am confused about table creation. I have increment of 1 in customerid which is primary key in customer table. Suppose if a customer books a room and according to the … |
| | Hi everyone, I'm currently working on a cross-platform project to copy data from the computer onto a USB drive quickly. [B]Main problem: EOF in the middle of the file[/B] It's going good so far, but I stumbled across a problem in my copy_file function: [CODE]int copy_file(char *source_path, char *destination_path) { … |
| | I started making a simple drawing program, to use for a level maker, and I came across a slight issue [CODE]from Tkinter import * class Main: def __init__(self,root): w,h = root.winfo_screenwidth(), root.winfo_screenheight() current = {} canvas = Canvas(root, width = w, height = h, bd=0) canvas.pack() root.overrideredirect(1) root.geometry("%dx%d+0+0" % (w, … |
| | I'm studying enumeration at the minute and i've a quick question. In the following code using enum, are you limited to ouputting the sequence number of the possible values, or can you use the enum operator to output the text "green"? [CODE] #include <iostream> #include <sstream> #include <fstream> #include "conio.h" … |
 | Hi all, How can i validate a text in text box? I need to check that text length is 7 and first four characters is contain "ABCD" and last three characters must contain numbers. e.g : ABCD123 Thank you. |
 | I normally don't try to get outside help on homework that is still due, but I've kinda' hit a wall on this one. I'm trying to write a program that dynamically creates a list of scores for a group of students. It has to ask the user how many students … |
| | hey guys does anyone know why i got an 'undefined invisArr in for loop' in my javascript code? I've got 3 div boxes in an absolute position and i m trying to make it visible whene i m presing one or two or three links. // [CODE]<!DOCTYPE html PUBLIC "-//W3C//DTD … |
| | [CODE]<html> <head></head> <body> <?php print "<script type='text/javascript'>"; print "window.open='http://www.examples.com/page.html','new_window1','status=1,scrollbars=1,resizable=0,menu=no,width=320,height=220'"; print "</script>"; ?> </body> </html>[/CODE] Not able to open popup.Is this correct code. |
| | Hi all, How do i know where the cursor position in the text at textbox? Anyone know how to do this? Thank you in advance |
| | Hey, I am trying to create this EVENT via phpmyadmin, but I get a syntax error which I cant see: This is the code for the event: [CODE] DELIMITER | CREATE EVENT delete_cart ON SCHEDULE EVERY 5 MINUTES DO BEGIN DECLARE cartID INTEGER; DECLARE cartProductID INTEGER; DECLARE cartAntal INTEGER; DECLARE … |
| | Hi, I want to make my staff id text box only accept upper case letters and not lower cases, please how do i go about it? I wrote these lines but they stil dont work: [CODE]Private Sub txtStudID_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtStudID.KeyPress txtStudID.Text.ToUpper() End Sub[/CODE] … |
| | I want to get the information downloaded from a file (a BMP image) into a char array. I have this function [CODE] #define _countof(x) (sizeof(x) / sizeof(x[0])) char* DownloadBytes(char* szUrl) { HINTERNET hOpen = NULL; HINTERNET hFile = NULL; char* data = (char*)""; DWORD dataSize = 0; DWORD dwBytesRead = … |
| | [CODE]sizeA = 2**28 M = [0]*sizeA[/CODE] The above code creates an array but, each element is 4 bytes each. How do create a large byte array with type 'B' (eight bits unsigned)? I would like it to be as large as possible. I need it for a sieve prime number … |
| | Hello! So here I am again asking for your knowledge and help.:$ I have this little project of embedding the g++ compiler in my software. What I have done so far is place the compiler inside the bin of my project folder, inside the Debug folder. I managed to call … |
| | I know that in a dev cycle the warnings are there to help you figure out what is wrong with your code, What I am wondering is what types of warnings should you just disregard? Are there any? are there warnings that are caused due to degradation of a command … |
| | [CODE] #include <iostream> #include<stdio.h> #include<string.h> using namespace std; int main() { // cout << "Hello world!" << endl; int t,i,j,a,flag; char str[1000001]; cin>>t; while(t--) { a=1; scanf("%s",str); for(i=0;i<=strlen(str);i++) {flag=0; if(!isdigit(str[i])) {flag=0; for(j=i-1;isdigit(str[j]);j--) { if(str[j]!='0') { flag++; a*=str[j]-'0'; //cout<<"flag"<<flag<<" "<<a<<"A"<<endl; break; } } if(flag==0) { a=0;break; } } while(a>9) { if((a%10)!=0) … |
| | I need some help here.. I need an example to do that : ( a background task ) #includes blablalbalbla void?? ExecuteTask () { while(1) { cout << "first " << endl; } } int main () { ExecuteTask( ); while( 1 ) { cout << "lol" << endl; } … |
| | I'm using a BackgroundWorker object to start a process, the following is inside of my BackgroundWorker.DoWork event: [CODE] ... process.StartInfo.FileName = "process.exe"; process.StartInfo.Arguments = arguments; process.StartInfo.UseShellExecute = false; process.StartInfo.CreateNoWindow = true; process.StartInfo.RedirectStandardOutput = true; process.EnableRaisingEvents = true; process.OutputDataReceived += new DataReceivedEventHandler(p_OutputDataReceived); process.Start(); process.BeginOutputReadLine(); while (process.HasExited == false) { if (worker.CancellationPending … |
 | Hey I have a folder in my current working path and I want to make a copy of a file inside it to the the current working path. Its kind of a dumb question, I know, but how do it do it? Thank you. |
| | Hi All, I wonder if anyone can help - I have been teaching myself Java GUI programming using a Mac running OSX Lion and Netbeans 7, and have followed the tutorial: [url]http://netbeans.org/kb/docs/java/gui-functionality.html#Exercise_2[/url] When I run the program, it builds and compiles fine, but only appears when I choose the command … |
| | Hey guys, I'm just starting out with Android development using Eclipse. The only programming language that I've used a lot before is VB.NET, so I'm just wondering, is it possible to create variables which you can then add to over the course of the session? I'm particularly thinking of strings … |
| | I'm send sound between two clients via UDP server Socket , How i can make users not feel the delay of sound ?  |
| | Hello, Im new to c# and i have a little problem. I have a folder with 5 text files (group1,group2, etc), each contains a list of names. On my form, I have 2 combo boxes. I want the first one to allow me to select a group (a text file), … |
| | Hello, I am doing simple read/write program for serial port. I am faceing a error that i don´t understand. Error is: "error C2664: 'CreateFileW' : cannot convert parameter 1 from 'const char [5]' to 'LPCWSTR' " My whole program: #include <windows.h> #include <iostream> #include <string> using namespace std; void set_com_pin(bool …  |
| | So the project is to write a program (for a beginners C class) that compares 2 words and see if there anagrams of each other. I'm about halfway through the program and it was working fine until i tried to add the IF STATEMENTS with isalpha. What I'm trying to … |
| | Dear All, I need your suggestion in developing a Database - I will use MYSQL as database. My database will have below specifications - - 1 table "Table-1" with 2 columns - DateTime and Integer Value - 1 table"Table-2" with 5 Columns - columns having process details (i am doing … |
| | For school I have to write a program that requests a 3 part name and breaks it into a first, middle, and last name. I wrote the code but the alignment of my output is not right. I was wonderng if someone can tell me what I did wrong and … |
| | [CODE] import javax.swing.JOptionPane; public class Finance { public static void main(String[]args) { boolean Access = false; String studentName = JOptionPane.showInputDialog(null, "Enter in your name: "); //String current = JOptionPane.showInputDialog(null, "Enter your password: "); //double currentBalance = Double.parseDouble(current); Account newAccount = new Account(studentName); //Gains access to Account class JOptionPane.showMessageDialog(null, newAccount.toString()); } … |
| | Is there a way to get a Message from a website(like copy it), then have it show up in a textbox? If, so can you provide an example? |
| | What I am trying to do is the following: [CODE] ReceiptBag zero("zero"); ReceiptBag one("one"); ReceiptBag bags[2]; bags = &zero; (bags+1) = &one;[/CODE] Of course that is not valid code. My goal is to be able to reference the same zero or one object by using its variable name or by … |
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