[data] Forum Topics

Hi Everyone, Does anyone know how to add the user input into an array in java. for instance I have a table of 3 columns and 4 rows the 3 column is designed to allow the user to input 1 or 0. so whenever they typed in anything I want …

hi every 1. i have a form and i dropped customer dataset as details view on the form and booking dataset as gridview.So now when i insert a record i can scroll through different records and with respect to the customer its shows me related booking aswell. Wat i wanna …

I need to create ever possible binary tree and then count the comparisons an example is if I had a binary tree with 1 and 2 then there are 4 possible binary trees... root = 1 LChild = 2 root = 1 RChild = 2 root = 2 LChild = …

Hello all. I am having difficulty getting my program to output data correctly. I have a class member function that is supposed to return the value of a specific member of a struct element based on identification with its (the struct element's) other members. [code] float MatrixType::valueAt(int i, int j) …

Hi, so I have this assignment to create a scheduling algorithm, I tried looking everywhere for help on how to create one and the closest one was here, where I found a great source code, yet I tried to modify it with my assignment variables and I created some nasty …

Hi guys, i have been having some problems parsing a list of strings. lets say i have a list that has the following strings [code] List<String> list = new ArrayList<String>(); list.add("Process A Started"); list.add("Process B Started"); list.add("Process B Finished"); list.add("Process A Started"); list.add("Process C Started"); list.add("Process D Started"); list.add("Process C …

hi every 1. i am trying to make a search form with 1 label(surname) and textbox. i have 1 gridview on the form aswell. can you plz provide me any code so that when i type in textbox i should c the result in the gridview. wat i have done …

Good Morning... First let me start by thanking those of you that respond with great education information in here.. You have made my learning curve (time invested) much shorter than it would have been with just a reference manual. I know I still have a lot to learn, but this …

Create a program to construct a binary search tree consisting of nodes that each stores an integer in Java, avoid duplication of values when inserting nodes in the tree. When a new leaf node is created list all the nodes in the path from the newly added leaf node to …

In Visual Studio 2010, I have a windows forms application frmMain.cs with a ComboBox. From the form itself I can access its value with cmbxYear.SelectedValue. I also have a DataSet.xsd file to bind to an rdlc report to a TableAdapter to present view data. The TableAdapter has a SelectCommand that …

Hi, I'm working on a project and I am stuck on the AccountTest.java right at where the program is supposed to process the transaction-code within a while-loop. Below is the pseudocode for that was written for this particular assignment. This is my first post so I hope that I've formated …

Environment: Visual Studio 2010, Windows Forms Application, Oracle Database I am trying to use a parameter in a DataSet.xsd DataTable. The query and parameter work fine in Query Builder but gives an error if I try "Preview Data" or use in my application. Error: An unhandled exception of type 'System.Data.OleDb.OleDbException' …

While it is true that the inorder traversal of a binary search tree produces a sorted output, is the converse also true, i.e., if the inorder traversal of a binary tree is sorted, then is it necessarily a binary search tree?

Hi everyone, I am wanting to know if there is such a thing like the mySQL SELECT WHERE but in array's. I have this array: [CODE]<?php $array = array( [1] = array( ['test'] = '1', ['test2'] = '2' ); [2] = array( ['test'] = '4', ['test2'] = '2' ); ); …

Hi all, I want to store the result of a SQL query into some kind of container. Typically, a result consists of several columns, each of which has different types - depending on the query. E.g., 'select productname, price, stock_count from...' leads to 3 result columns: char, float and int. …

Hey, So I'm working on a pretty basic program to help me get accustomed to classes, private variables and arrays. I need to hold the data for 5 individuals such as name address email etc. These are held in my PersonClass and are private strings. I access these strings using …

Hi there, so I'm currently studying Java at my University and as of right now we're working on Linked Lists, Array lists, Array Deques, etc. As part of this lesson, we're being told to write our own versions, both recursive and iterative, of the predefined java functions for its corresponding …

Hello, I am currently helping my BI team convert a Cognos Tree Object into a Javascript tree object. The part where I am stuck is using javascript to parse the XML data file that would normally fill up the Cognos tree. Here is an example of the XML data file... …

I've to write a program which gets a colour from user.Users will enter the colour's name if the colours is exist in my string,program will give a msg.If it doesn't exist give an error msg and stop program.I've already write a code but it doesnt works accurately. [CODE]int i,j; void …

Hi all, I am trying to display some data from text file with an array. [CODE]$filename = "comments.txt"; $filepointer = fopen($filename,"r"); $myarray = file ($filename); for ($mycount = 0; $mycount < count($myarray); $mycount++ ) { $aline = $myarray[$mycount]; print $aline ." \n"; } fclose ($filepointer); If (if else statement-checks search …

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; using System.Data.Common; using System.Data; using System.Data.SqlClient; namespace modalwindow { /// <summary> /// Summary description for WebService1 /// </summary> [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment …

Hello y'all. I am in the midst of an exciting project, and I've hit a little bump. I'm trying to do a 'deep copy' of a TreeMap<String, State> [B]so that I can work with one (delete, insert, etc...) and preserve the other for later.[/B] Instead of having to code up …

Need some help. My game locks up when you go to load file and it just locks up. Please help. [CODE] /* WumpusGame header file Contains the WumpusGame Class. This is the main workhorse of the program, and contains all of the global data, including the master world map. WumpusGame …

Hi all, I've been using this type of code to pull out a single value from my SQL database but I can't help thinking that there's a simple command I'm not using: [CODE] strSQL = "SELECT MAX(Stage) FROM Visits WHERE ScheduleRef = 22" FinalStage = dl.getPRISMdata(strSQL).Tables(0).Rows(0).Item(0)[/CODE] [CODE]Public Function getPRISMdata(ByVal strSQL …

how can I solve this kind of error: "a number, currency amount, boolean, date, time, date-time, or string is expected here" here is my code: [CODE]Dim oDoc As New ReportDocument oDoc.Load("D:\updated 2-21-cla-12-57\WAIS SYSTEM\WAIS SYSTEM\GUIDANCE-dropRpt.rpt") Dim myDS As New DataSet oDoc.SetDataSource(myDS.Tables("drop_student")) Select Case GUIREP_drop.Search.SelectedItem Case "Date" strsql = "{drop_student.date_drop} = '" …

Hello I'm making an application that reads a series of values from a text file and then converts it to a bitmap image. Currently, I'm using arrays, but, deciding on a particular length is annoying. I have been reading a few tutorials and i've read a lot about using vectors, …

Dear Gurus, I am having this inventory program but can not give me the desired results.What am I doing wrongly? I want a user to enter and display results. [CODE] #include <iostream> #include <fstream> #include <iomanip> #include <cctype> using namespace std; const int DESC_SIZE = 51; // holds inventory description …

Hi everybody. I'm working on my program. And have this output storred in the object puzzle: [CODE]Puzzle is: 1 5 9 13 2 6 10 14 3 7 11 15 4 8 12 16 2 6 10 14 3 7 11 15 4 8 12 16 5 9 13 1 …

I've been trying to figure out whats wrong here, but I just can't wrap my head around it. My compiler outputs the following when I attempt to compile it. [CODE] z:\Desktop\tmp\proj4>cl proj4_linkedlist.c Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86 Copyright (C) Microsoft Corporation. All rights reserved. proj4_linkedlist.c …

I have this code in my form (in load event) wherein there is a crystal report viewer: [CODE]Dim oDoc As New ReportDocument oDoc.Load("D:\grading_report\grading_report\teacherLoad.rpt") Dim myDS As New DataSet oDoc.SetDataSource(myDS.Tables("grading_teacherload")) Dim mystr As String mystr = "{grading_teacherload.teacherid} = " & teacherLoadListView.teacherid & "" CrystalReportViewer1.SelectionFormula = mystr CrystalReportViewer1.ReportSource = oDoc[/CODE] there is …

I am trying to make a simple demo of a DataGridView bound to a database table. I want to add a row, delete a row, and save the table. I used the IDE to do just about everything. It created the BindingSource when I set the datasource of the DataGridView …

I have 7 different bindingsources on a form right now and I have a "cancel" button to allow a user to reject the changes they made and revert back to the original data in the dataset. Instead of having my cancel button click event call something like: [CODE=C#] private void …

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?

i want to get current date records from database in rdlc report.?? how its possible...?? i create a dataset of my billing table then i pass a parameter of datetime in tableadapter but error showed. here my code: private void Reportt_Load(object sender, EventArgs e) { DateTime dt=DateTime.Now; this.BillTableAdapter.Fill(this.DataSet1.Bill, "dt"); } …

It's going on 4 hours now, and I have yet to find an answer on how to do this. All I want to do access and manipulate data in a list, from another class. The 2 classes: [B]GetList.java[/B] [CODE]public class GetList { public static void main(String args[]) { MakeList xx …

Hello, This code is for (hospital management system). This code allow you to add patients. There are two types of patients. which is: 1. Normal patient. 2. Critically ill patient. once you added any patient. You will be able to show all patient using "ShowAllPatient;" method. -> i want the …

I needed to implement a simple cyclic graph in Java so it have nodes in such a way that it can be implemented to represent adjacency matrix or list. Any advice or resources to hep me start implementing this would be much appreciated! Many Thanks

Earlier on, in [URL="http://www.daniweb.com/software-development/java/threads/412571"]this thread[/URL] my question was answered about how to add objects of a custom class I called State into a HashSet which was a value for a key in a HashMap. [CODE]Map<String, HashSet<State>> mapping = new HashMap<String, HashSet<State>>();[/CODE] However, I need to ensure that there are only …

Hello everyone, here is what I'm trying to do: I want to create a multidimensional array of this form: [CODE]Array([0] => a, [1] => Array([0] => Array([0] => d, [1] => e)), [1] => c, [2] => d))[/CODE] Where for every element in the array, another element or array is …

I am trying to implement within a class I call State some sort of mapping from a String to a set of States. So far, I have something like this as the initialization of this concept: [CODE]Map<String, HashSet<State>> mapping = new HashMap<String, HashSet<State>>();[/CODE] However, when I perform something like this: …

I have a test tomorrow about some few things I just can't quite understand/grasp to well. I forgot to ask these questions in class which is something unintelligent to do. If the computer uses 8 bits to represent a real number, assume the radix point is always between the 3rd …

Hello, I'm just wondering really.. I have a 2D matrix but I've defined it as a 1D matrix. So for example: [code] double *matrix = new double[N*M]; [/code] My question is, I'm going to be manipulating data very shortly and want to read this data in from a text file.. …

Hi, I am using a Dynamic SQL to create a stored procedure. The stored procedure is as follows: [CODE]CREATE PROCEDURE spRetrieveBalanceSheet (@Pfcode varchar(5), @period varchar(10)) AS BEGIN DECLARE @tablename varchar(12), @sql varchar(2000) SET @tablename='SALFLDG'+Upper(@Pfcode) SET @sql='SELECT S.ACCNT_CODE As Code, SUM(S.AMOUNT) AS Amount, A.ACCNT_NAME AS Name FROM '+ @tablename + ' …

Is this proof right?? Claim: Let #0(w) and #1(w) be the number of 0s and 1s in w, respectively. Then A = {uv ∈ {0, 1}∗ : |u| = |v|, #0(u) = #1(v), and #0(v) = #1(u)} is not a regular language. Proof : Say there is some pumping length …

hi i'm a beguiner in visual basic i have a datagrid view filled with a dataset table thats combined by 2 tables 1-persons 2- actions i want to select a row in the grid view and get the person table where personid is selected in datagridview i assume that it …

Here is the assignment: 1. Objective This assignment will introduce you to CPU scheduling. 2. Specifications You are to simulate the execution of processes by a computer system with a large memory, one terminal per user, a CPU, and one disk drive. Each process will be described by it's class …

Hi All, My requirement is to form the PE structure from the physical dll (say for example user32.dll). I have to form a PE(Potalble Executable) object from a dll, which is available in some physical location. I am able to get the 'DOS' and 'NT' headers from the DLL using …

I Need to to update multiple checkbox values on multiple records at the same time. When the form loads, it should display the sizes already selected for each style as stored in the style table and if we select or deselect any sizes on a style it should update the …

I'm trying to learn hash tables as I am hearing that it'll be utilized a lot in the future (advanced programming). My book, however, does not include any lessons on Hash Tables. Any good references for someone trying to learn Hash Tables? Thank you!!

hi, I am having two tables with a similar structure. I want a code to select data from one table and update the same in second table and then delete the records in the first table. Kindly help me out. Thanks & Regards Vivek