Software Development Forum

Hi! I have written a code to subtract 2 large integers stored in arrays! But the problem is, its not working when the minuend is smaller than the subtrahend, i.e, when the answer would be negative. I am taking 2 char arrays as parameters, converting them to int arrays, working …

I am having some trouble posting to website..I've tried posting to many different websites and get the same result.. An error message referencing the js on the page, asking if i want to continue.. Then the response i get is the form I am posting to, with all fields correctly …

I am trying to write an application to do various things, one of the elements is going to require a service, The service is called myService.vb and is part of the main solution containing frmMenu which has a button (btnRegister). Is it possible to programaticaly register this service? Alternative question: …

Hi Everyone, I would like to know if there is any way to change the color of a part of text in rich textbox when the user types it automatically like the way in vb.net IDE (Classes have blue etc.). Thanks in advance, Yuvjeeth

How to compute current ratio in C++ with using header file? Calculate in c++ program with *3* different file. **- 2 file (cpp file) - 1 file (header file)** Information: formula---> **Current ratio = current asset / current liabilities** Please correct me If I'm wrong. I just start study C++ …

I'm having quite a few errors on this one. This is my first attempt on "free" coding outside tutorials. I do believe it only has to do with bad use of brackets from my side, but i'm a beginner. Line 14 - Illegal start of expression Line 18 - Class, …

hello ! can you please help me with my independent study. im making library management system with visual studio C# and mysql. what mysql connector needed for C# and how to connect them?? thank you in advance :)

Hello guys, I have my problem in saving date to mysql. Dim conn As MySqlConnection Dim myCommand As New MySqlCommand Dim commandB As MySqlCommandBuilder Dim data As MySqlDataAdapter Dim query As String = "SELECT * FROM events e;" Dim myconnstring As String Dim comm As String Dim vers As String …

Hi! I´m making a really big program of mail sending. However my last problem is the scrolling... The scroll bar don´t react to the mouse wheel and only functions when focusing in the bar , And that´s not user-friendly. how Can I achieve to make the scroll bar react with …

IMO, VS2010 with PythonTools 1.5 is the best IDE. it may not be as glamorous as Eclipse or PyScripter, but it certainly has more functionality and accuracy than either of them. -intellisense (PyScripter does a better job than Eclipse) -split file scrolling (not sure about PyScripter, but Eclipse doesn't have …

Several people have asked about storing binary data in a database. I coded up an example today that uses an ADODB.Stream to copy the binary data but after some fiddling I found a more direct way. If you are using MS SQL Server, the easiest way I have found is …

I'm getting a syntax error that's confusing me beyond belief. I'm using MinGW on Windows XP(32-bit), and Notepad++ for a text editor. "Syntax error before unexpected token '('" Originally, I thought it may have been something in the code I was trying to compile, so I wrote a simple "hello …

Hi everyone.. :), me again. I've never used Linked Lists.. They don't make sense to me. I kind of understand them though. There's plently of online explanations explaining what they are but they all go down the same path. I'm trying to undertstand how one Note (via the next pointer) …

I'm attempting to implement the Factory Pattern. I have a class called "Window" which has a class member function which determines which object is being called and then assigns the particular object pointer. I have written the following code: class Hamming { public: Hamming() { } Hamming(int theSize) { // …

hi I have the codes for the save,delete and update button but I need the codes for first,prev,last and next can you please help. please

I need help reading my arp replies. When writing requests to the socket, I cant get replies related to what I sent..Ideas #include <stdio.h> #include <ctype.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include <netdb.h> #include <sys/socket.h> #include <arpa/inet.h> #include <linux/if_ether.h> #define ETH_HW_ADDR_LEN 6 #define IP_ADDR_LEN 4 #define ARP_FRAME_TYPE 0x0806 #define …

Because things, these days, seem a little 'slow' around this forum, please forebare this old post, (that was recently resurrected by an inquiring mind), and humour this 'update', in good faith that this update might be appreciated by some beginning students of C++ ... :) // beginnerBadCppExampleCodeBeforeFixedUp.cpp // 2013-08-14 // …

Hi. I just wanted to know if there is anyway to make a textbox recognise if there is text or not. I don't want it to be textbox1.text = "". Is there a legitimate way?

Hi, I have avalue like 2.90 i want the value to be round off to 3.00 Can u help me out Rajiv

I use image component to display a picture for JPG,but it is lost a color.why I never meet this. I can't to upload picture to this forum.

Hi guys, I'm working on a side project for a friend and I'm looking for a C++ library that allows me to put bunch of paragraphs in a PDF format. Anyone know any good libraries that can do this as simply as possible? It will be just paragraphs and paragraphs …

I have boolean value either class a or class b.. if those given condition are fulfilled then i want to have class a label in my report else class b. but when i inserted below format in formula field then i got error. this is just a sample. plz provide …

So I've been working on this simple FTP Client and i've come across this problem. Basically when the user clicks on the folder, a label changes saying ftpserver.com/folder1 and then when a user clicks on the folder inside that it's meant to be ftpserver.com/folder1/folder2 but the label is only saying …

#include<stdio.h> #include<stdlib.h> #include<string.h> static int compare(const void *x,const void *y){ return strcmp(*(const char**)x, *(const char**)y); } int main(){ FILE *p = fopen("file.txt","w"); char ch = '\0',**c = (char**)calloc(6,sizeof(char*)); int n[6]={0},i=0,j=0; fprintf(p,"jack\nakki\njohn\nrachael\nrobin\ntom"); fclose(p); p = fopen("file.txt","r"); while(1){ while((ch=getc(p))!= '\n'){ if(ch == EOF) break; putchar(ch); n[i]++; } printf(" %d\n",n[i]); if(ch == EOF) …

Hi. First Post... Just need some help with this program I'm doing.. I've been programming a FTP Client and i've got the base done but i just have one problem...I've added a listview with 3 columns. 1st column is File Name, 2nd column is File type and the 3rd column …

Hi Everyone, Been a few years since I had to post anything here so I'm glad to be back. I've been asked to do a report to show vouchers that have been issued and presented for July (this year and last year). I have done this SQL: SELECT tblOutlet.OL_NAME, Format([VI_TRANSACTION_DATE_TIME],"mmmm …

i've just given a script to update and maintain by my manager, but its bash and i dont know that much about it.. i currently have a script that looks through .txt files for given serials that then reports to a php webpage. within this script we have around 20 …

Hey guys, I havent coded visual basic in a long time I am using access 2003 and doing some code under a form. I have a button that is named system Setup and when you click on it it opens up and another form that has three comboboxes and a …

I'm pretty comfortable with "C", but where I lack, is understanding what types of options must be passed to compiler to produce the tightest code possible. Here is an example of a formula in "C"; int ADDR = VIDEO_BASE + (WND_X + POS_X) + ((WND_Y + POS_Y) * SCR_X) * …

i've being trying to fix the error in my code for quite some time but am unable to resolve one or two of the errors like expected primary-expression before 'public' main.cpp:211:22: error: expected ';' before 'public' main.cpp:216:23: error: expected '}' before 'else' i am a beginner in programming # include<iostream> …

Hi. Please could anyone help me look at this code and tell me why the image is not getting drawn? I have already cross-checked the path, and it is alright, as it does not throw any exception. Thanks in advance. class PotPanel extends JPanel{ public PotPanel(int width, int height){ Dimension …

Hi All My query is very simple. I have a data file with two fields only in EXCELL.( Fields are Name and Address) 1. Import this file in MSACCESS 2007. 2. Creat a Form in VB2008 Express edition. 3. Fetch the data from database file. 4. How to distribute/install this …

hi can anyone tell me how do i put load linq query into datatable then populate into datagridview? my codes are as follows: Dim dt As New DataTable '' Create 3 typed columns in the DataTable. dt.Columns.Add("ConflictingPaper", GetType(String)) dt.Columns.Add("Numberofstudents", GetType(String)) dt.Columns.Add("AdminNo", GetType(String)) 'Dim query1 = (From a In dt3 Group …

Hi All, I'm trying to loop through and open PDFs in a folder using Java. I have the following code: import java.awt.Desktop; import java.io.File; import java.io.IOException; public class OpenPDFs { public static void main(String[] args) throws IOException { // TODO code application logic here String fp; fp ="S:\\Economic Forecasts\\Fcst13\\SourceForecasts\\"; File …

#include<stdio.h> #include<conio.h> #include<string.h> struct { int num1,num2; char s1; int *ptr; int abc[5]; }a[2]; void main() { int start, last; start=&a[1].num1;//error last=&a[0].num1;//error printf("\nsize of structure :%d bytes",start-last); getch(); } getch(); }

Private Sub btnload_Click(sender As Object, e As EventArgs) Handles btnload.Click Dim sqlquery As String = "select frmStudentReg.regno,nursery.rollno,[nursery.nepali(writing)],[nursery.nepali(oral)],[nursery.maths(writing1)],[nursery.maths(oral)],[nursery.maths(writing2)],[nursery.english(writing)],[nursery.english(oral)],[nursery.physical_edu(oral)],[nursery.creative(oral)] from frmStudentReg,nursery where frmStudentReg.regno=nursery.regno" Dim sqlcommand As New OleDbCommand Dim sqladapter As New OleDbDataAdapter Dim table As New DataTable With sqlcommand .CommandText = sqlquery .Connection = conn .ExecuteNonQuery() End With With sqladapter .SelectCommand …

Ok, so I am trying to write a code that will find the attributes in a html tag using lists and splitting them up. Unfortunately its giving me a hard time with the added quotation marks. [CODE] def find_attribute_value(html_tag, att): '''Return the value of attribute att (a str) in the …

I have renderer a JPanel at the fourth column of my JTable. I need to draw an image Dynamically. I have used this code to get the component...... at certain row and column..... JPanel cPanel = (JPanel) jTable.getCellRenderer(0, 4).getTableCellRendererComponent(jTable, jTable.getValueAt(0, 4), false, false, 0, 4); Graphics graphics = cPanel.getGraphics(); When …

So working on something and it is running on asp.net so this page is refreshing a lot. It has numbers in a textbox that have been counted and keep changing all day long. What I want to so the textbox witht he highest number is turned green. int[] MyNumbers = …

Please can anyone explain clearly.... what is the difference between session and httpcontext.current.session and application variables? Thankyou in advance...

$resFile = &getFileName($ARGV[0]); $fileType = &getFileType($ARGV[0]); $table = &getTableName($fileType); could u please tell me as to what these commands are doing? also , if I convert them to shell script,will thsese work ? there's a perl script that Im trying to convert to shell script. resfile=getfilename $1 filetype=getfiletype $1 table …

Currenlty i have learned html5 and css3 from different sites no one give complete tutorials about everything and doesn't made me satisfied when i see uniques combinations of tags and and some that i don't know i totally get disappointed.People have done great work only with html and css and …

i have a datagridview and a button on my form. when values are entered into the 2 cells of the datagridview and the button is pressed, the numbers are multiplied and the result is displayed in the third cell. this works alright. i now want the multiplication to be done …

Hi friends, I displayed some items on my dropdown list.And users are allowed to select multiple items in the drop box. After that, If a button is clicked, I have to execute a single sql code. Say for eg, update table_name set flag='y' where field_name='[Dropdown selected items]' Please help. Thanx …

How to create multiple-choice questions in java using a certain time?

Displaying a description based on code in database C#, database, WindowsApplication, Hi everyone, i have a question how do i input the descriptions columns if i type the number based on my database in code columns, i already retrieve the code from database, but now i also want to display …

I need to get the sum of two numbers but i do not know how example > **what the result should be:** 1,000,000 + 2,000 = 1,002,000 > **my code's result:** 1,000,000 + 2,000 = 3 > It seems that my code only adds the numbers before comma (,) My …

Hi all I have a Products table which has a description and a size column the description is a string value and the size has a double value. What I need to do is after reading the data it converts the decimals value of the size column into a fraction. …

Can someone help me out here? i'm trying to write a program on 8051 assembly, my topic is a digital time zone clock with 7segment segment display with a 4x4 keypad , were each key if the time of one country. and i can't attribute the time to keys. thanks …