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Hello, I'm doing a sql database as a school project, the database will be a book catalogue of sorts. What I would like to do is store a biography for the authors and a summary for each book only I'm not sure what the best way to go about storing … | |
Hi, I have to make a datagridview and join three tables which have realtionships in my database and i need to display some of the data in these tables in a datagridview can u toutor me pls? | |
Hi Got a webBrowser control on a form displaying ads from a server, trying to load page in the default browser when user clicks on a banner within webBrowser control, by default the control always load pages within IE Browser which is not really what one wants. This is about … | |
Hi, I've got an assignment at school that I would really like help with. I'm a total newbie. [code=c]#include <iostream> using namespace std; int main() { char chr=(char)67; unsigned int offset = 1000; char * ptr=(char*)0; ptr+=offset; cout << ptr[0] << (char)43 << (char)(chr-24) << endl; } [/code] The questions … | |
hi can anyone tell me why the netbeans ide generates a null pointer exception. here my code. for class CustomFileFilter [CODE]import java.io.File; public class CustomFileFilter extends javax.swing.filechooser.FileFilter { private String extension; private String description; public void setDescription(String description) { this.description = description; } public void setExtension(String extension) { this.extension = … | |
I am currently writing a program in which you input a word and the program then outputs all of the different ways the characters can be moved round into anagrams. I have wrote a way of turning the command line argument into a char array using the toCharArray() now I … | |
Graduation Project idea , computer system Engineering -------------------------------------------------------------------------------- Hey Every body; I am now preparing my self for my last year in college, and I want some suggestions for my Graduation Project . the problem that I dont have an applicable idea i need GP idea as embeded sysetm or … | |
Hi Guys, I am currently working on a vb project. What I am trying to do is reading a XML file and saving all the data in to the Access DB. Once this is done, I read the data from the access Db and display it in the required fields … | |
Hi, I am using mysql 5.0.77. I am running queries like create table T1 as Select t1.arg0 as ARG0, t1.arg1 as ARG1, t2.arg0 as ARG3 from table t1, table t2 where t1.arg0=t2.arg0 I want to create the table if the select statement does not return an empty resultset. If I … | |
Hello, im a noob with C++ at the moment and Im trying to create a BMP image from pixel data stored in a array. Everything seems to work except that when i look at the file generated in a hex editor i get an extra '00 00' in between the … | |
I'm using PrintStream, to put some text in a txt. But how do I append to the end of the file? I saw some code whilst google-ing and it had other inputbufferstream stuff in it. Does PrintStream have its own append option? | |
Hey everyone I am trouble getting a reference to dropdownlist1. I need to get the selectedvalue so I can use the sqldatasource to update the table in my database. How can I get a reference to dropdownlist1. I have used Page.FindControl(), but I still am getting a null pointer exception. … | |
Hey everyone!! I am having trouble printing the whole of a multidimensional char array. [CODE] #include <iostream> using namespace std; int main(){ char array [5][10] = {"---------", "| |", "| |", "---------"}; cout << array << endl; system ("pause"); return 0; } [/CODE] It just gives me random numbers and … | |
Hey all, Can anybody tell me what is a stored procedure an what is the difference between a stored procedure and trigger? Thanks In Advance | |
hi, i have a problem comparing values in an array and how to display them sample: [code]int[] d = new int[c]; for(i=0,j=1;i<d.length;i++,j++){ d[i]=Integer.parseInt(JOptionPane.showInputDialog("Enter value : "+j)); }[/code] i don't know how to start comparing values of each index's in the array..can someone help me? thanks BTW(new to this forum):) | |
Hi mates!) If somebody can - please explain me - what does mean "[U]the lowest[/U]" in this context - [QUOTE]The open() function shall return a file descriptor for the named file that is [B][U]the lowest[/U][/B] file descriptor not currently open for that process.[/QUOTE] the QUOTE is from here - [URL="http://pubs.opengroup.org/onlinepubs/009695399/functions/open.html"]http://pubs.opengroup.org/onlinepubs/[/URL] … | |
Dear All, How can I do this I created 2 forms... 1 is the main form and another is monthcalendar form. When i cliked on a button in MAIN form it will lik to another form which is MONTHCALENDAR form. When I click on the date in MonthCalendar , How … | |
Hi I there a way to make a trigger completely independent from the calling table so that even if the trigger is made invalid, inserts can still be done to the table that calls the trigger? I created the following trigger: [CODE] CREATE OR REPLACE TRIGGER LOCAL.SYNC_TRIGGER AFTER INSERT ON … | |
Hi I am new to PHP and looking to create a search php page, the search needs to be by Country, State and city. I have tried several methods over the last three weeks and none work, im slamming my head against my desk! Basicly I have three dropdown boxes … | |
how to save the state of radio buttons on application exit.how to get or set check state of radio buttons of a form,from another form.pleasssssssssssssssssssssssssssss help me with dis..its very urgent.i am new to c sharp.i will be really very grateful. :) thank you | |
[B]i am getting this error can some one give me some directions[/B] Error 1 'ShapesDemo.Rectangle' does not contain a constructor that takes 0 arguments [CODE]using System; namespace ShapesDemo { abstract class GeometricFigure { static void Main(string[] args) { Rectangle rectangle = new Rectangle(8,8); Square square = new Square(9,7); DisplayFigureResults(square); Triangle … | |
Hi, I have a problem related to Java servlet sessions. I don't understand why the getAttribute() function of the session object is used before setAttribute(); Here is the code: [code]Vector buylist=(Vector)session.getAttribute("Register"); if (action.equals("del")) { String del = request.getParameter("deli"); int d = (new Integer(del)).intValue(); buylist.removeElementAt(d); } session.setAttribute("Register", buylist);[/code] Thanks. | |
Hey I am trying to do a project on Test Engine. I need to retrieve random rows of questions from access database. I did the following code, but every time I once close and run it again, the sequence of questions is same. How can I change the sequence every … | |
Hello everyone :) i want to be able to just edit and update one field of my grid view is this possible? as im using Visual Web developer 2008 express when a user selects edit to a row, it allows the user to edit the whole row ... but this … | |
hi, I have the following code and it compiles on Netbeans with no errors or warnings but when I load the applet in a browser the browser does not display all of the pictures that I got it to draw. The only picture it draws is my_gif. I have tried … | |
I want to send another ajax request when one request is in process to get the status of first request. If I call both the request the second request gets blocked till the completion of the first request. Can anyone suggest a method so that second request gets processed in … | |
I'm working on a simple program, but I help with a part of it. When I click the submit button I need the name field to be cleared and for all of the checkbox to be unchecked. I have the name field done, but I need help with unchecking all … | |
Hello, I'm kind of new with JSP and I'm developing an school project. So far I have my web application configured to work with a database. Now I have a form that receives a user and a password, then when the user clicks enter, it calls a servlet which checks … | |
Hi all, I just want to ask about setprecision because I'm a bit confused. here's the code: [CODE] #include <iostream> #include <iomanip> using namespace std; int main() { double rate = x; cout << fixed << setprecision(2) << rate; }[/CODE] where x = to following: the left side of equation … | |
Hi All, I am using JQuery in my solution and was trying to get the value of the cell which has been clicked. however, after all my searches i ended up with no exact solution. the most common solution i got was to select a row (by making multi select … | |
Hey i have to make a pizza website for my assignment. I am done the HTML part and have finished the PHP more than half. I am trying to decorate it a bit and trying to use "\t" for tab, but its not working. Any suggestions? P.S. I have made … ![]() | |
Can anyone clear my concepts of IsDaylightSavingTime() function of DateTime in C#. I am really confused about it. I want to ask exactly what is the need and use of this function? Thanx | |
hi all, how do i use a drop down box to show my fields in my sql table ? below is what i have so far, i need to display all of the EmployeeIDs in the drop down box. [CODE]<select name="name"> <?php $sqlName="SELECT * FROM employeedetails"; $queryName = mysql_query($sqlName,$connection); $recordName … | |
What is wrong with my fread() [CODE]#include<stdlib.h> #include<stdio.h> #include<math.h> double stdDev(double avg, double x[]) { double stdDeviation; double diff; double Sqdiff; double sum=0; int i; for(i = 0; i<50; i++) { diff=x[i]-avg; Sqdiff=pow(diff,2); sum+=Sqdiff; } stdDeviation=sum/avg; return sqrt(stdDeviation); } double maximum(double x[]) { int i; double max; max=0; for( i … | |
Hi ppl, I have been using fpdf for a quite sometime now and it works fine, but at times when i make some changes(changes does not include printing/echo/redirecting before genrating pdf, but yes i do use lot of empty space/indentation for readability n this did not create problem earlier.) in … | |
im trying to get this function to show the numbers that are not on the list in the input file, i've written this and it doesnt work, i know theres sometihng wrong with it but im not sure what it is? or how i can fix it to make it … | |
OK! i have a problem. I'm making a game with a character you control and theres monsters that move when you do and when you run into a monster i have it so you lose 1 life. (iLife --; ) i set iLife equal to 4 at the start. if … | |
Hello all, When trying to export save a file i get the following error in my SaveDialog window: The bold line is where the error occurs, says: Object Required [CODE] Dim eRuta As String On Local Error GoTo errores 'dialog.DialogTitle = "Exportar Archivo" cDialog.Filter = "Excel File (*.XLS)" cDialog.FileName = … | |
I know the how to fill a magic square but there is a problem in the code. The algorithm is like below: 1-Put number 1 at the second column of first row. 2-Put the next number one upper row and one behind column. 3-If the cell mentioned in the last … | |
Hi guys im trying to generate 5 random numbers that return a string so i can compare it to a file. so far i have this but i have no idea how to make it a string. Since i have to compare it to the file i mentioned earlier. This … | |
hello I have added a checkbox column in my C1TrueDBGrid i want to check all of the checkboxes with single click i have been looking for a solution i found one for DataGridView which is to add a check box in the header of column and check all of the … | |
Hi! For the past few months I've been self-learning C++ with the book "C++ Primer Plus" by Stephen Prata. After having gotten through chapter 7, I decided to check my progress by writing a little program, Baztro. Baztro stands for Basic Astrology Tool. It asks you for birthdate(s) and will … | |
Please help with this program! I wrote & modified this code many time but not quite find a good solution for it. Below are some error after complied. Program problem: Input: student names, student IDs, their courses and letter grades Output to a file in table layout format with: College … | |
hey all can any one tell me how to insert a checkbox column in C1TrueDBGrid it is really showing me hell I am stuck in it.. Please please any one help Thanks | |
Hi, I'm new to programming and I'm doing a course in uni. I'm currently using "Dev-C++". I've been away on holidays and haven't been able to grasp the work we're doing now. I would really appreciate it if any of you C++ programming geniuses helped me with my work as … | |
Hi All, I try to store Korean langguage in Microsoft jet OLEDB 4.0 database, but I cant retrive it back. [CODE]catNewDB.Create("Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=" & sDatabaseToCreate & _ ";Jet OLEDB:Engine Type=5;")[/CODE] I try to google around for weeks..but still cant find the solution, I believe microsoft jet 4.0 should … | |
I hate to post a thread on this since I know this topic has been discussed ad nauseum, but I've been searching for weeks and cannot find exactly the answer I've been looking for. I'm new to arrays and loops - I get the concept, but not the syntax. Here's … | |
Hi to all people members of Daniweb! I downloaded a complete package of virtuemart from this site, [url]http://virtuemart.net/downloads[/url], and but while trying to install the sample data I got this error that says, "[B]Error: Module Not Registered."store" is not a valid VirtueMart core module[/B]." I tried to reinstall the package … | |
While coding a random Employee storer, I use Scanner, and its .nextInt(); to ask the user for the employee's contact number: [CODE] Scanner Scan = new Scanner(System.in); out.print("\nEnter Employee Contact Number:"); newEmployee.contactNumber = Scan.nextInt(); //(I have a class Employee) [/CODE] I get the error : [CODE] Enter Employee Contact Number:456645 … | |
Hi Guys, I am trying to make a connection with Oracle 11g which is installed on a server 2008 BUT have problems with the ConnectionString. Could you please let me know how I set a correct connection String while I have parameters like these: Database name: GISData Server Name : … |
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