Software Development Forum

Hi All First time I've posted but have done lots of reading on here as it's an amazing resource. I am busy writing a program that is going to read data from 2 serial devices. One being a scale and the other being a "load testing" machine. Currently im working …

I was just wondering what would be the best sort algorithm for sorting both a small array and a large one. Or if you can point me to a few efficient ones that can still do both that would be nice. small <=30 Also is there a cap that java …

Hello, I am trying to ofstream a file using the following code: [CODE]#include <curl.h> #include <stdio.h> #include <fstream.h> struct callback_data { FILE *output; }; static long file_is_comming(struct curl_fileinfo *finfo, struct callback_data *data, int remains); static long file_is_downloaded(struct callback_data *data); static size_t write_it(char *buff, size_t size, size_t nmemb, struct callback_data *data); …

I suppose to write the records to a text file. However every time i re-log in and add a record.The previous record will be rewrite. >.<'' [CODE]public void addRecords(){ getInfo(); FileWriter fWriter = null; BufferedWriter writer = null; try { fWriter = new FileWriter("PassengerInfo.txt"); writer = new BufferedWriter(fWriter); writer.write(name); writer.write(";"); …

I am trying to modify a tax program so that I only have one line that start with the variable "tax = ...". The original statements are commented out so that you may see what the original program looked like. What I don't know how to do is to put …

I have Database name LoginUser with corresponding fields name such as User, Login and Logout. Im done in inserting data once the user Log to the system. Heres the sample layout once the user tried to log. User................Login............................Logout Abigail.........12/29/2010 3:08:42 PM James..........12/29/2010 3:09:45 PM Abigail.........12/29/2010 3:30:45 PM PROBLEM: 1) I …

Hello guys, I'm struggling at my assignmnet. I need your help. for(int i=1; i<N; i++) for(int j=1; j<N; j++) for(int k=1; k <= i*j*log(j); k*=2) x=i+j+k; Calculate runtimes using these inputs N = 10, 20, 40, 100, 200, 400, 1000, 2000, 4000, 10000, based on the results, conjecture the complexity …

i have this to check for numeric inputs, which returns then menu if a number is entered less or grater than 5 but how would you do this with alphabets ? for any alphabet or any other charterer apart from numbers should return the menu [CODE] while (select < 1 …

Using Windows Form Application from Visual Studio 2010. KK The big problem... When I compile it and run the program, Enter a value into the textbox, it automatically changes to a value the program has defaulted. I'll attach the Program/Project Folder incase anyone wants to compile/run it.. Example: Two textboxes.. …

What is the difference between size_t and size_type? size_type seems to be related closely with the C++ Standard String Class. Couldn't they have just used size_t instead? I don't understand the difference. Could anyone elaborate please?

If I use ProcessBuilder or Runtime.exec function, in a JApplet, does that applet needs to be signed or is there a way to get around this? I need to communicate with a C++ executable using java JApplet.

Say I have an element <pets animals="dogs, cats, donkey, turtle, rabbit" /> How can I break the long string to when it hits the comma, it separates the animals into substrings? An example output is shown below: dogs cats donkey turtle rabbit Help is appreciated. Thanks

Hi! I have a problem with a winsock code. I want it to connect to a irc server, but it won't recieve any readable data... Just alot of "jibberish"... [CODE] #include <string> #include <iostream> #include <WinSock2.h> #pragma comment(lib, "ws2_32.lib") using namespace std; //class lam0rZ { ~lam0rZ() { system("pause"); /*sleep(5000)*/ } …

When I press the print Button, all it prints is a blank page. This is my code: [CODE] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.*; import java.awt.Color; import javax.swing.JFrame; import javax.swing.JPanel; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.print.PageFormat; import java.awt.print.Printable; import java.awt.print.PrinterException; import java.awt.print.PrinterJob; public class OptionWindow extends …

why return type is not a part of function signature i.e. I can't make such this code [CODE] int x (int y){ return 0; } float x(int y){ return 0.0; } [/CODE] while i can make such this code: [CODE] int x (int y){ return 0; } int x(String y){ …

Hi All, Hope evryone is well. I have a program I have created for booking out conference rooms, I want to code a print button so the user can print the booking they have created on the booking form. I have been stuck on this for about a week and …

hi... using pysnmp, an 'snmp get' varBinds gives me an 'octet string' of values like: 1+1 Protection; East-West; Spiral Search; ODU Enable/Disable I need to loop through these strings and see whether a particular string say, 'East-West' is present. I am not finding way to do this. can this octet …

I've noticed running in a PE environment and seeing the "Nerd Herd" MRI software, I was wondering if anyone can tell me now to recreate this using VB.NET. I want to show the system info over the background if possible. You can see an example at this address [URL="http://maddtechwf.com/gsmri.jpg"]here[/URL].

Hi... I want ti contril the while loop, just make it looping just for x times, ex: loop for 5 times and pass to the next code :)

The combinations function C(n, k) is usually defined in terms of factorials, as follows: C(n, k) = n!/(k!*(n-k)!) The values of C(n, k) also leads to the Pascal Triangle: C(0, 0) C(1, 0) C(1, 1) C(2, 0) C(2, 1) C(2, 2) C(3, 0) C(3, 1) C(3, 2) C(3, 3) C(4, …

If RGB(170,255,213) gives a pastel green color display then what is the color code I should use if I want a deeper green color tone display? Is there a list of the color display codes for C++? or where I can lookup for sample color displays? ;)

I am writing a program where one part of the program gets some data while the other part gives in new data at intervals for the first part to work on. This two tasks are to be done independent of each other and concurrently. The time one part stops does …

I have no idea why i get bombarded with Inferior Small irritating bugs.... uh... Please help this poor, Form struggling guy. To simplify, i have 2 forms. FormA and FormB. At startup, FormA is displayed now i would like to go to FormB. I use this and it works. [CODE] …

Here is the full code relating to my performance problem I’m having with my operator+= which I described in this adjacent thread…. [url]http://www.daniweb.com/forums/thread340734.html[/url] As a quick review, I’m finding that the operator+= function in the Standard C++ Library’s String Class, i.e., <string>, is performing almost impossibly fast compared to the …

I've been trying to find information on this for a while, but I can't seem to find anything. I want to use python to send a command to the command prompt, then instead of sending the output to the console window, put the output into a variable that I can …

I've built a Counter (which is not implemented for python 2.6) for reading a sequence file of strings to a dictionary and trying to return those sequences are unique for that file/a number of files. I use sequences with a length of X-characters as key in my dictionary and put …

Hi all, I'm facing strange error. I defined a class: [CODE] class MyClass : public MyAbstractClass { public: MyClass() : myList(myList) {} ~MyClass() {} void AddList(list<MyObject>& myNewList) { myList = myNewList; } private: list<MyObject>& myList; }; [/CODE] And in the main I do: [CODE] // myObject is initialized here and …

Hello, Another thing, I posted another problem a minute ago, but I have another one but I think both should have simple solutions. This problem is that I have a button that I want to add an accelerator, so I use an ampersand (&) before the key I want to …

Hey everyone ^^ I'm making a little program that gathers the player coordinates from World of Warcraft via memory reading, the only problem I'm having so far is that I have no idea how to convert my hexes to floats, and it's honestly driving me nuts :P. [url]http://i53.tinypic.com/2rhs1zo.png[/url] <-Picture As …

Hi all, I have been using a macro definition to copy a set of files to different locations and FTP servers. But copying seems quite slow so I want to compress the bundle using 7z and copy all into FTP as one single file. Can it be done using 7z? …

How to send EOF on console in linux?

Hello Everyone, I'm still new at programming, and im having problems with the project i was assign, so im supposed to make like a retail store POS, where i look for the articule and add how much did they take and the price. [B]SORRY IF ITS IN SPANISH[/B] So this …

hi! i'm beginning to like C, i find it very challenging. and i have this problem, that confuses me here: Construct a C that will accept 5 digit number, determined the reversed number and display the message "equal" if the original 5 digit number and the reversed number is equal, …

Can someone [B]please[/B] provide some insight on this: [code=c++] int get_smtp_line( void ) { char ch = '.'; char in_data [255]; char * index; int retval = 0; index = in_data; while (ch != '\n') { if ( (retval = gensock_getchar (SMTPSock, 0, &ch) ) ) { gensock_error ("gensock_getchar", retval); …

Hey there. I have 4 columns in a datagridviw [COLOR="Green"]Description //// budget ///// Actual //// Difference[/COLOR] now the user can use the datagridview like normal, add different expenses and insert the budget and actual. But now i have to calculate the difference between the budget and actual and insert it …

Hello, I have a timer that starts after clicking a button, then a label is updated every tick event simulating the seconds, the problem is very weird, after one button click the timer starts so basically the label should start changing, but it does not. Here is the weird thing, …

Ok, I have asked this b4, and I don't think I have gotten a straight forward answer, I really need this answered, because what I am doing is "legal", but i am 100% it does not make logical sense. This it the original C# code [CODE] var version = reader.ReadUInt32(); …

Hi all, I'd like to open a file dialog using win32 project ...I need a simple code example that uses FileOpen...I used <commdlg.h> ...::GetOpenFileName or ::GetSaveFileName but i can't get them to work :S ... Thanks in Advance,

Write a program to calculate the number of words,tokens,keywords,userdefined functions,system function for your java program. PS:you are supposed to make use of scanner class

Hi another exercise which im having problems with. In this challenge im given a four digit integer and encrypt each digit as follows. Replace each digit by the sum of that digit plus seven mod 10. Then swap 1st and 3rd digit places and 2nd with 4th. Heres what i …

Hi all, I have a proplem when embed shell into C code by Sytem() command. There is my code: [COLOR="Green"]char acCommand[512]; acCommand[0] = '\0'; sprintf(acCommand,"sed 's/\<UDN\>\<\/UDN>/\<UDN\>%s\<\/UDN\>\/g' %s > %s", initParam.UDN, "/tmp/web/dmr.xml", "/tmp/web/dmr.xml.tmp"); printf("[%s]", acCommand); system(acCommand);[/COLOR] and below is output after compiling: sed 's/<UDN></UDN>/<UDN>uuid:b346ee95-93b3-4922-a132-cf72762b9318</UDN>/g' /tmp/web/dmr.xml > /tmp/web/dmr.xml.tmp] [COLOR="Red"]sed: bad option in …

Please help me on my project. I used this for my log in form. The registration form worked well and its easy for me. There are many errors almost 3. The errors are on the first 3 statements. line 1: syntax error (missing operator) in query expression 'ID Number = …

hii, this is my .h ,file : [CODE] /* * sortedlist.h * * Created on: Jan 16, 2011 * Author: saeed hardan */ #ifndef SORTEDLIST_H_ #define SORTEDLIST_H_ #include <iostream> #include <functional> namespace mtm { template< typename T, typename Compare = std::less<T> > class SortedList { private: struct ListNode { ListNode …

I got an array of email addresses: [CODE]@emails = ("sam\@email.com", "john\@email.com", "jenifer\@email.com");[/CODE] There are 20 txt files wherefrom email addresses are being parsed. The parsed email addresses should be added to the @emails array only if they are not in it. Example txt file contents: =========================== Zip_Name: [email]jenni@email.com[/email] Zip_Name: [email]sam@email.com[/email] …

Hello I have a problem with reading the coordinates of points which are extracted from (..txt ) file.I have read the file with ifstream but I don't know how to use the information then. Thanks in advance the point are in File as followed : u:1.2000 v:4.5400 u:2.5450 v:6.4500

Hi, I have a windows form application that is designed to monitor payments made within agreed timescales. Once a timescale has passed any payments that are outstanding will get assigned as arrears. What I need to decide is the best way to handle the task that checks if the due …

I have created a dll and I want to use its functions in my other projects using Visual Studio 2008.Kindly Help...:icon_sad:

Does anyone know how to send a message to another computer in my companys network using visual studio 2008...I would like to be able to list all the computer names on the network and select certain ones and send them a message that would pop up on their screen PLEASE …

How can I read multiple line inputs? I want to create a program that will ask a user for a program code and it will count all the reserve words used in the program. Every time I copy and paste a code for the input, it only reads the first …

Hello everybody, I'm making a scoreboard with uart and 7-segment multiplexing and I've got a problem. When I receive code from the UART, multiplexing doesn't work any more. And when I'm multiplexing with timer1, the UART_receive doesn't work any more. Please look at my code below and help me. Best …