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| | Hi all I have a situation, i have a form that has a datagridview, on form load, it selects the data from sql db, now what i want is when i right click on one row, i should be able to delete that row and it should also get deleted … |
| | the question asked me make a program that would find opens an read a txt file and calculate or display the following. - the number of numbers - sum of all the numbers in the file (running total) -average of numbers in file the .txt file just has 100,200,300,400,500,600,700 each …  |
| | Hi all, I'm fairly new to python and I'm stuck with a problem. What I'm trying to do is write a recursive function that takes a list of integers and returns true if the list contains a single pair of integers whose sum is negative, and false otherwise. For example: … |
| | [CODE]from tkinter import * def handler(event): print("Clicked at", event.x, event.y) class Application(Frame): def __init__(self, master=None): Frame.__init__(self, master) self.grid() for r in range(6): self.master.rowconfigure(r, weight=100) #Creating custom buttons self.master.columnconfigure(0, weight=100) Button(master, text="Red",command=self.colorit).grid(row=6,column=0,sticky=E+W) self.master.columnconfigure(1, weight=100) Button(master, text="Blue").grid(row=6,column=1,sticky=E+W) self.master.columnconfigure(2, weight=100) Button(master, text="Green").grid(row=6,column=2,sticky=E+W) self.master.columnconfigure(3, weight=100) Button(master, text="Black").grid(row=6,column=3,sticky=E+W) self.master.columnconfigure(4, weight=100) Button(master, text="Open", command=self.hanlderf).grid(row=6,column=4,sticky=E+W) Frame1 = … |
| | hello I'm trying to create program to check for the user password"only numbers" if it's correct then go to the next step. if not just type Invalid password the password should be store in another file which is "password.txt" this is my code but I couldn't make the program check … |
| | below is my current code for a math game i'm having problems creating the answer checking part of it, any assistance is appreciated. [code] import javax.swing.*; import java.util.Random; import java.awt.Button; import java.awt.Color; import java.awt.Dimension; import java.awt.Event; import java.awt.event.*; import javax.swing.*; public class MathPanel extends JPanel { // Declares Labels and … |
| | I've searched google and tried several different things but I can't figure out how to read strings into a two dimensional character array and also read doubles into separate arrays all from the same text file. Please provide any help you can and let me know how you might accomplish … |
| | Private Sub ComboBox6_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox6.SelectedIndexChanged con = New SqlConnection("Data Source=DEW-D63D9D2D032\SQLEXPRESS;Initial Catalog=system1;Integrated Security=True") con.Open() sql = "Select Faculty_Id From Faculty where Faculty_Name='" + ComboBox6.SelectedItem.ToString() + "'" cmd = New SqlCommand(sql, con) rdr = cmd.ExecuteReader() While (rdr.Read()) fid = rdr.GetInt32(0) End While con.Close() MsgBox(fid) con1 … |
| | Originally I had the program all in main but I wanted to separate this by having the comparison method (diamond of asterisks) in its own method. For some odd reason I'm getting weird errors that won't allow the program to run. Errors below: 1) Systan error on token "," delete … |
| | My question is ; how to take a value from a loop and continue the loop and take the new value again, print it and add it to the old one? thanks [CODE] while (numCourses <= 3) // loop 1 times { System.out.print( "Enter grade (one character): " ); // …  |
 | Hey, out of the following codes: product_edit.php [CODE] <h2><center>Product Preview</center></h2> <p></p> <?php $data = array(); if(!empty($_GET['id'])) { $result = mysql_query("SELECT * FROM produk AS p, kategori AS k WHERE id_produk='".mysql_real_escape_string($_GET['id'])."'AND p.id_kategori = k.id_kategori") or die(mysql_error()); $data = mysql_fetch_array($result); } else { $data['nama_produk'] = ''; $data['nama_kategori'] = ''; $data['harga'] = ''; … |
| | Greetings! I've been working on this program for the past couple of hours now, and I cant seem to get it right. I'm supposed to write a program that reads in integers from a text file, and then find the sum of the integers. The problem I'm having is with … |
| | The problem ''Ask the user to enter a year and store it in an int. Then assign to a _Bool variable the value true if the year is a leap year. The leap year is any year whose number is a multiple of four. Take into account that years whose …  |
| | Hello DaniWeb Users, I am new to the forum however from what I have seen it is exceptionally good! I have searched the forums already and found various questions relating to a similar problem as mine however I am unable to work out how I can amend this for my … |
| | Hi, A bit of searching reveals that a few people have asked this question before, but I can never see the solution revealed. I have a gridview and I've added a column with a template field so that I can put a checkbox control in it. Finding it is no … |
| | hh.. how can i get the value accumulated from the date i select from datetimepicker1 to datetimepicker2 in vb.net and mysql? the value here refers to the daily sales and i need to find the total sales between the range dates that i choose.. please help me..as im beginner and … |
 | Could anybody direct me to J2ME API link.. I couldn't found the download link. |
| | Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click strsql = "delete from student_info where Student_No = " & ctrl & "" Dim sqlcmd As New SqlClient.SqlCommand sqlcmd.CommandText = strsql sqlcmd.Connection = sqlconn sqlcmd.ExecuteNonQuery() MsgBox("Student Deleted") Me.fillclasslist() When I try to delete a student in the list … |
| | I am new to JSP and I am not very familiar with what its advantages and disadvantages are. We all know that Java is a big and complicated language, but it's not as web oriented as PHP. I have also heard that it's more expensive to find a server for …  |
| | Hi, So, let's say i have a string "--_some_String_123". What is the correct regular expression pattern to remove those "-" and "_" from the beginning of the string? They only need to be removed from the beginning, so after removal the string looks like this - "some_String_123". There can be …  |
| | hello all how is the code to move the cursor from textfield1 to textfield2 right after key "enter" pressed ? thank you denny  |
| | I am doing a program to do dfs traversal given the adjacency matrix. My code follows: [CODE] #include <iostream> #define SIZE 10 using namespace std; bool M[SIZE][SIZE]; int flag[SIZE]; int dfsNum[SIZE], num; int n; void dfs( int u, int p ) { flag[u] = 1; dfsNum[u] = num++; for( int … |
| | Hello there Daniweb community, i am creating a 2d game in Java, however i have a problem. I googled up KeyListeners for JFrame, as they didnt work as usual, and i found out that when using KeyListeners with JFrame you have to set focus, right? Well. I have Googled abit … |
| | Two applications, two different problems. Both of these applications worked perfectly in the test environment with SSL authentication turned off. Now that we've moved to a live environment, the applications can no longer connect to the client company's ActiveMQ messaging queue. using dlls from Spring.Net version 1.3.1. Connection string uses … |
| | i want to write a program which display alert message whenever 15 mins are over.But i am not finding solution of my problem using waitforexit() or delay() functions. [CODE] #include<time.h> #include<stdio.h> #include<dos.h> #include<conio.h> void main(void) { time_t timer; struct tm *tblock; time_t t; //timeout=18000; /* gets time of day */ … |
| | Im a beginner at Python and I have written a program consisting of three functions and now Im stuck when I need to 'call' on them at the bottom of the program. In the 1st and 2nd functions I get some information and saving it to a file, but the …  |
| | Your program should calculate and output (to the screen) the following information about the file of text: 1. The total number of lines in the file, including blank lines. 2. The number of blank lines in the file. 3. The number of periods in the file. 4. The number of …  |
| | hi! I need to populate a flex combobox with the result query of a oracle db, using coldfusion. I have this code, but it is not functioning: my flex webpage: [CODE] <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:Label x="230" y="36" text="Selecionar Consolas"/> <mx:Script> <![CDATA[ import mx.events.*; import mx.collections.*; import mx.rpc.events.ResultEvent; … |
| | I've got an algorithm that at most does 1 operation for the first time a loop is run, 2 for the second, 3 for the third up to n for the nth. Essentially the sum of all numbers 1 to n is the worst case running time. or [TEX]\frac{n*(n+1)}{2}[/TEX] I … |
| | Hi friends, i am trying to create a media gallery which will display images from a folder. I have sorted the images into a separate folders according to years i.e (2011,2010,2009). which i will be using as navigation. so far i've been able to list the folders in the directory … |
| | Hii all, I have an assignment in my java course and i just did the required 1 , and the else is very confusing for me , I'll be very appreciate if any one could help me for 2nd required and then ill try again in the rest . <URL … |
| | [CODE]def windchill(V,T): wc = 35.74 + .6215*T-35.75*(V**.16)+.4275*(V**.16) we = round(wc,2) return we def main(): print(" Temperature \n") print("Speed \n") print("---- -20 70 10 0 10 20 30 40 50 60 ") for V in range(0,55,5): print(V) for T in range(-20,70,10): wc = windchill(V,T) print(V, "{0:1.1f}".format(wc), end="") main()[/CODE] Its python 3, … |
| | i need some help with this code please :) when i run this code the output after each time the nested loop runs should look like this: {'gender': 'Female', 'age': 9, 'fur': 'Brown', 'name': 'Savannah'} {'gender': 'Male', 'age': 9, 'fur': 'White', 'name': 'Thumper'} {'gender': 'Male', 'age': 8, 'fur': 'Brown', 'name': … |
| | The assignment requires program to read from a file into an array, use two boolean functions to validate certain data (set to "true" when there are no errors) then output any errors to a separate file. Everything works fine except for validating the rate. All the numbers are read into … |
 | [CODE]<?php $author_id = $_GET['author']; $subject = $_GET['subject']; $pubtype = $_GET['type']; $year = $_GET['year']; $college = $_GET['college']; $department = $_GET['department']; $keyword = $_GET['keyword']; $keyword = mysql_real_escape_string($keyword); $subject = mysql_real_escape_string($subject); $year = mysql_real_escape_string($year); //If any of the fields were left blank, we will assign % to the variable to use as wildcards … |
| | Hi all, I have this code here and I like to save all the messages into 1 text file name contimer.txt. I've tried to do [CODE] FILE *output fopen(output,"comtimer.txt", "ww"); [/CODE] right before the function Timer 1 and change every "printf" function into fprint_s(f, "Message", variables) but it does not … |
| | Hello EveryBody, Today i planned why not myself to do project in php... The idea behind in this is ... to avoid people just like that answering questions in objective type.. like if a person who ans a question who suppose to ans further Q..Who discovered php? a.ramus b.denis c.srini …  |
| | Hi all, So my task was to build basically photo-based department org-charts for a SharePoint 2007 environment. Not sure why I was asked to do this as the last time I web designed was when Netscape 4.0 and IE4 were still duking it out, but whatever. I inserted my images … |
 | Hi.I get the following error "g++: error: CreateProcess no such file or directory" whenever i try to compile a program.I have installed the MinGw 7.2 version at work on a windows machine and the problem does not occur , however after installing windows SP3 on my home computer i get … |
| | Hi everyone, I'm a fairly new Java student and I need some help regarding subclass. This is what I'm trying to do: Basically, I created a Superclass called Person, and from it I created a subclass called CollegeMember. Now, I need to divide the CollegeMember subclass to "Lecturer", "Student" and … |
| | With the code below I have the plant information printing out first and then all of the availability printing out last. Is there any way I can get both printing together, but not have duplicate pictures and information for the numerous sizes that sometimes list per plant. Ex. Buxus Green … |
| | I'm having an error "a value of type "double" cannot be used to initialize an entity of type "double *" Any tips? Thanks! [CODE]#include <iostream> #include <string> using namespace std; struct sample { string name; double *num; unsigned elements; }; int main () { sample x = {"Dude", [COLOR="Red"]{1, 2, … |
| | I'm currently trying to learn OpenGL with the use of GLFW and the Addison Wesley book 'OpenGL Programming guide 7th edition'. Here is one of the first sample programs they present, it is meant to draw a white box. In this example I mixed it with a simple glfw window … |
 | My question is why fstream can't read 0x1a. For example make a test file and inside it write in HEX editor 30 1A. [CODE]#include <iostream> #include <fstream> typedef unsigned long DWORD; using namespace std; fstream myfile; template <class T> T grad(T value, int step) { T val(value); if(!step) return 0; … |
| | Hi all, here's a kinda bullet-pointy explanation of what i have - I have a simple JFrame - I create a JPanel called 'ContentPane' [CODE]contentPane = new JPanel(); contentPane.setBackground(SystemColor.window); contentPane.setBorder(new LineBorder(SystemColor.inactiveCaption)); contentPane.setLayout(null); setContentPane(contentPane);[/CODE] - the JFrame has a [CODE]JMenuBar -> JMenuBar -> JMenuItem[/CODE] - The JMenuItem has a MouseListener and … |
 | i know crystal reports can access data stored database.. what I want is actually to create a report on the basis of a listview values..no database at all. how do I pass these listview items and subitems to crystal reports... please help guys.. |
| | Hi..me again. I am trying to incorporate this function which counts the periods into the code..however, I can not get the code to output both the line count, blank line count, and period count at the same time. This is my 3rd or 4th try at adding this into the … |
| | Hello everybody. I am in need of an answer. How can I use the text from a string and use it as a variable's name? For example: I have an array: int xyz[] = new int[5]; And say I want to check if it's name is the same as a … |
| | I have an intranet using php 5.3.8 on Server 2003 using IIS 6.0 and SQL 2005. I run a command to call a batch file that starts and stops sql server and then calls a stored procedure to delete records from a table Items and then refreshes the records from … |
 | the problem is if you increase buff size and also change the buff size in a3_fgets_2 function call to more than 15, the program will run in an infinite loop, Can anybody tell me why? Thanks [CODE]#include<unistd.h> #include<string.h> char * a3_fgets ( char * str, int num, int fd ); … |
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