Software Development Forum

Hello all, zoidmaster here. I have a question regarding Visual Basic and deleting lines of text from files. I'm trying to make a piece of software to manage customers who walk into a store. I got most of it written already but the problem I'm running into is deleting some …

Hey guys, I am playing with the .NET 4.0's new class Parallel. I tried to open files in a directory and calculate the total bytes of them. However when I run the code, I get a different result every time. Can you explain me the problem I have? [CODE]using System; …

I'm designing a software that will help novice Google users get the most out of it. The software takes-in the query, parse it, optimize it and send it to google.com for searching. What advice do you have for me. All advices are welcomed...

Am, with baby steps, becoming acquainted with the boost library. So far I'm compiling examples. From the tutorial, there is a very short regex-example, mostly there to test that the library is linked correctly: [CODE]#include <boost/regex.hpp> #include <iostream> #include <string> int main() { std::string line; boost::regex pat( "^Subject: (Re: |Aw: …

Okay so this is another question printing patterns but this time using input! I have to prompt the user and read an odd number from the input. I can only use System.out.print('*'); System.out.print(' '); and System.out.println(); I need to maximize my use of repetition and minimize the number of output …

When I export the program to a executive Jar, file.txt does not import. The file.txt is in my src folder. Everything works file when i run the program in eclipse but when i export it, it does not import. HELP, I am new to Java and everything.

ok, I'm pretty embarrassed to be posting such a simple question, I feel like I've done this in much harder applications like a million times... [CODE]String[] wordVar = text.split("$");[/CODE] Why does the above code not split the String 'text' at each occurrence of a "$"? Is the "$" a special …

I'm writing an assignment for my introduction to programming class and we're supposed to implement the following interface: [CODE] public Interface Account{ //Calculates interest (1%) and adds to the account balance public void interest(); //Calculates the balance after a deposit public void payIn(double money); //Calculates the balance after a charge …

Hey guys been working on a java Program. I am having a problem with my percent rounding up to 7% instead displaying 6.5% any ideas here is my Program. [CODE]import javax.swing.JOptionPane; import java.math.*; import java.text.NumberFormat; public class Week_three_number_eleven { public static void main(String[] args) { String Investment = JOptionPane.showInputDialog(null,"Please enter …

Hello! I'm doing my first homework assignment with abstract classes and interfaces. I have a few questions: (1) I know that a class must be saved on the computer as, for example, Class.java. Is this the same for abstract classes? How are interfaces supposed to be saved? Do they need …

can a stack act as a queu or does it has to be last in first out? i am trying to make a program, using Huffman`s compression theory, and i am using stack, while its explained using a queu...i want to know if this can be done... thanks in advance …

I have a question for all of my fellow Daniwebbers. If I place a panel within another panel, can I "click" the panel later? In other words, if I am able to click the panel, can I reference that panel in code for manipulation? Such as flipping or rotating the …

Hello Everyone I have an Internal frame in my application which has a JTable populated with values from a database and a JButton which performs some operation when a row is selected from the JTable.When the user does not select a row from the JTable and clicks the JButton, I …

Is there a method to check if a JButton has an Icon? becouse I've been searching all over google and i cant seem to find anything

Hi everybody, Is it possible to run c++ console apps in webpages ? I know that its not possible, but is there a way to do that ? Thanks.

void swap(int *x,int *y) { static int *temp; temp=x; x=y; y=temp; } void printab() { static int i,a=-3,b=-6; i=0; while(i<=4) { if((i++)%2==1) continue; a=a+i; b=b+i; } swap(&a,&b); printf("a=%d b=%d out side rec\n",a,b); } main() { printab(); printf("end of output 1"); printab(); } out put for the first printab() is 6 …

Okay, So I have an application which uses MSSQL server as datasource. Is there anyways I can avoid using any database server and use a local file as datasource ? If yes , what are options. AND HOW ? PS: this is very important guys. please help. THANK YOU.

Hi, everybody. I am reviewing some old code and two questions came to mind. 1) Is it better to use “[B]\n[/B]” or [B]endl[/B]? [INDENT]"[B]\n[/B]" seems to be working just fine, but most code samples I see in books nowadays use [B]endl[/B]. What is the difference?[/INDENT] 2) For multi-line output statements, …

Hello. I am trying to use the strtok function to separate individual words and store them in a 2D char array. However, only the first word is stored in the 2D array. [CODE]cout << "Enter a string: "; cin.getline (str, MAX); //count number to words char *p = strtok (str, …

i am calculating some expressions and the result of these expressions is a DOUBLE type value , i am storing this result into a double type variable called Sum . now i want to write this value of Sum into the Edit Control of a Dialog Based MFC application . …

Hi.. Is there any option of downloading free controls (eg button) for windows application as we do in asp page . links would be helpful to work on it.. Thanks...

[CODE] Dim connection As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=""d:\sprrg\\scm\scm\sprrg.mdb"";") Dim adapter As New OleDbDataAdapter("SELECT * FROM mr_head", connection) Dim dbInsert As New OleDb.OleDbCommand Dim table As New DataTable adapter.Fill(table) 'job_code,mr_no,mr_date,item_code,qty,mr_status,mr_approved_date 'Dim row As DataRow = table.Rows(0) connection.Open() dbInsert.Parameters.Add(dbInsert.CreateParameter).ParameterName = "job_code" dbInsert.Parameters.Item("job_code").Value = jobcode dbInsert.Parameters.Add(dbInsert.CreateParameter).ParameterName = "mr_no" dbInsert.Parameters.Item("mr_no").Value = mr_no dbInsert.Parameters.Add(dbInsert.CreateParameter).ParameterName = "mr_date" …

Why is netbeans doing this?! I added an image to my login screen, but now when i want to add a new one (i just chose a crytec logo to show) then it doestn display it!? It still displays the old one!? Whyy?? (image Attached)

Hello, I am asking about true syntax of the following:: I have a class name P and in header file (of this class) ------> [CODE] class P { public: P(); ~P(); void addItem(const int newItem); void deleteItem(const int Item); void showAll(); /** need to proper getter funct. of tail */ …

I'm working on a homework my OOP class and I just can't figure out this last part. The assignment calls for us to write five different classes with parent class StaffMember. I'm pretty sure I've that at the subclassess (Volunteer, HourlyEmployee and FullTimeEmployee) correct so I'm not going to post …

Hi, I just have this program that needs to create a downloadable template for the excel file that will be used later in my program, now I have this templates in my server and I think that i'll just import this file first and then put it in the data …

Hi, I am trying (Push)add data into my stack (length of five) and (Pop)delete from the end of my stack. I need to know how can: - Add the elements to the stack with keeping track of adding and deleting from it (adding an element will increment until 5 and …

Hi co-programmers, We're currently doing a simple conversion of a jsp to java format. I think we we're able to somehow force our way for a java program to hold our jsp program, but unfortunately we are having a slight problem. We're getting this exception: Exception in thread "main" javax.script.ScriptException: …

I've been going through a couple of tutorials on SDL and having moderate success. But this one has me stumped. The tutorial from LazyFoo.com has me creating a dot that emits sparks. I followed along and wrote my code which returns my .bmp as NULL. Hmmm, I must have done …

So I was asked to write a code which would take in 2 dates of the format mm/dd/yyyy, validate that they were good dates (including leap years), then output the dates in chronological order. It works as intended for every date I throw at it but it seems way to …

hi. uhm. im having a problem with coding such conditional statement that would check if a certain input contains a certain subs tring. for example. i have a text box that is used for the user to input a string. (0,1) then i have a command button to determine if …

I have problem with selecting text, In this code it only selects one and finds one, hot to make it to find more? [CODE]public void actionPerformed(ActionEvent e) { if(e.getActionCommand().equals("ResetAll")) { area.setText(""); search.setText(""); found.setText("0"); } else if(e.getActionCommand().equals("Exit")) { JOptionPane.showMessageDialog(frame, "Good-Bye","218 HW #5", JOptionPane.INFORMATION_MESSAGE); System.exit(0); } else if(e.getActionCommand().equals("Clear")) { area.setText(""); } else …

Is this possible? Download a webpage source without using a browser and place in to a textbox ready to edit and post(stop page/image load times)

My program performs a search on a specific directory and returns a list of files with specific criteria. I want the user to be able to select an item in the list and click a button and have that file open...is this possible? The first column of my list gives …

I have problem with do while loop I need something like this [CODE] What do you want to do? 1 Create a new account 2 Deposite funds 3 Withdraw funds 4 Show Balance 5 Show Interest 6 Show Summary 7 Quit Enter Option: 2 Which account <1 to 2> do …

I'm working on a program for an intro to java class and am supposed to use the following interface: [CODE]public Interface Animal{ //The animal is first supposed to "speak" and then it gets to eat //As long as the food supply lasts public void feed(); //The animal eats public void …

Hello, I need to update my older Autodesk plug-in. And I am having troubles get it through. (They changed one function) This is a new definition which I cannot change: [CODE] CoreExport virtual void EnumAuxFiles(AssetEnumCallback& assetEnum, DWORD flags);[/CODE] And here is my code: [CODE] class CheckFileNames: public AssetEnumCallback { public: …

Hello! I have a sample application. I just put a breakpoint at the beginning of main(). The callstack pointed to a function called mainCRTStartup() and before that, the kernel32.dll was present(grayed out). Can anyone please tell me what these functions are, and who invokes them? Thanks in advance!

Plz help me out with this : This is saved as myfuncs.c [CODE]int factorial(int num) { int i, f = 1; for(i = 1; i <= num; i++) f = f*i; return(f); } int prime(int num) { int i; for(i = 2; i < num; i++) { if(num%i == 0) …

Hi everyone, Here is my problem: For my research I need to work with files of 700 Mb. I get "Segmentation Fault" error and while my code works for smaller files, I assumed the large size of the file leads to this problem. That is why I think that I …

If I remember correctly from C# to C++ the following should convert into the second following. I need to create a console application that will output the physical address of the main interface on a user's computer. This in my experience seems to always be the second interface in the …

Hi! My project has two text file:input and output java.util.NoSuchElementException: No line foundread exception Exception in thread "main" java.lang.NullPointerException at java.io.Writer.write(Writer.java:140) at nfa2dfa.NfaToDfa.OutputFile(NfaToDfa.java:217) at nfa2dfa.Main.main(Main.java:30) I don't know what they mean?!

I got the following error in my code today: Syntax error in INSERT INTO statement. [code=c]OleDbCommand cmd = new OleDbCommand(); cmd.CommandType = CommandType.Text; cmd.CommandText="Insert into Cursanti([ID],[Nume],[Prenume],[Sex],[Varsta],[Ziua-1],[Ziua-2],[Ora-1],[Ora2],[E-mail],[Telefon],[Referal],[Partic/Grup],[Adult/Copil)] Values ('"+id_b.Text+"','"+name_t.Text+"','"+surname_t.Text+"','"+sex+"',"+age_t.Text+"','"+ziua1.Text+"','"+ziua2.Text+"','"+ora1.Text+"','"+ora2.Text+"','"+email_b.Text+"','"+phone_b.Text+"','"+from_t.Text+"','"+ore+"','"+categorie+"')"; cmd.Connection = con; con.Open(); cmd.ExecuteNonQuery(); con.Close();[/code] The error points at "cmd.ExecuteNonQuery();" Searched the other topics, saw that people had similar problems, but …

I am new to the VB Scripting area and have done a few simple test scripts to get a feel for some of the commands. I am looking for a command that would use a domain user account to be known as a domain admin before running the actual command …

Hello. I'm currently a 10th grader who's been sitting in front of the computer for hours trying to figure this assignment out. First, my teacher gave me a reverse integer problem. He wants us to reverse the numbers `12345, 10001, 1200, and 5`, and display in in the output. The …

How to bind selected columns to datagridview at runtime. I have written select * from tableName. And result i have stored in DataTable dt. Now i want only selected columns to be displayed in datagridview at runtime. I dont want to bound gridview at designtime.

This is annoying me. I have made a simple RSS feed but i need some of the links to open in a new window But i can't find a way to do this. All i want is the same functionality you get in html when you specify target-"_blank" How is …

Hello Everyone, Am facing problem am using RAD IDE, Java Version 1.6.0_30 from Sun Microsystems Inc. the program are executing successfully and showing output in IDE. But when am trying to compile the program outside the IDE the java program compiling the program and generating .class file but it is …

Hi all! I try to filter a datagridview and I wrote an sql statement for that reason. The problem is that although I achieved to have multifilter I can find how to make my cod ignore the criteria which are null (empty criteria, when the user doesn t give any …

hello,everyone,basically,i am trying to install [B]pyaramid[/B] framework,i have [B]windows[/B] installed in my system,and i am follwing this link at the time of installing pyramid.... [B][url]http://docs.pylonsproject.org/projects/pyramid/en/1.0-branch/narr/install.html[/url][/B] [B][COLOR="red"]1.[/COLOR][/B][B]Installed Python 3.2 in my system and set the path D:\python32 in My Computer->Properties –> Advanced Tab –> Environment Variables and add that directory to …