Software Development Forum

My page have textbox , lable and one button when the user click the button it should display message if the user in the database "email has been sent" the message will show otherwiser it will show "email is not in the system" this is what I did , but …

Hello, I have a course that is Operational Systems.. My lecturer doesnt explain so much and after He say, You must solve this problem, because u r a programmer.. I have such a problem with linux programming. I put my code here, He wants, I must allow multi-client to server. …

guys, how to make a simple program that can combine basic C++,array,function and pointer altogether.can anyone help me please? thank you! :)

Hey guys, I am trying to implement the following but the compiler is not liking it. What can I do to fix this? Thanks for any help. typedef struct { int ordinalSum; int LexemeCode; Line Info; Node *next; <-- ??? }Node; error # 1 syntax error before "Node"

how can i put an if statement in a OkCancel Msgbox .. for example when i choose OK .. it will perform the code .. and if I Cancel it will not perform the code?

I wrote a large project dealing with images, files, and WINAPI functions. I decided to add RichTextEdit to it and used the msfedit.dll.. Turns out that it only supports UNICODE style strings and chars and my entire project is std::strings and LPCSTR's, etc.. None of the WINAPI functions are unicode …

#include<stdio.h> int main(){ char inputs[33]; int i; for(i;i<33;i++) inputs[i]=' '; int ch; for(i=0;(ch=getchar())!=EOF&&i<32&&ch!='\n';i++) {printf("%c",ch); inputs[i]=ch; } inputs[i]='\0'; printf("%s",inputs); return 0; } I am writing a program where the user enters a character and the program stops asking the user for a character when the user enters the Enter key. Enter …

People pls help me i am getting a compiler error - Loop Without Do This is my Code Dim cn As New ADODB.Connection Dim rs As New ADODB.Recordset cn = New ADODB.Connection cn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\Shyam\Documents\Database1.mdb;Persist Security Info=False" cn.Open() rs = New ADODB.Recordset rs.Open("select* from STUDENTSWITHHOA", cn, adOpenKeyset, adLockOptimistic) Do …

Group, I'm stuggling to get values from an sql database table into several textboxes. I'm not getting an error, but I'm also not getting anything to show up in these textboxes. Can you offer some thoughts as to what I need to do to fix this? Private Sub btnUpdateOrder_Click(ByVal sender …

All, How do I convert a DataTable double from a row object to a normal double? I'm creating the DataTable like this (note that Temp and Hum are doubles): private void readDummyData(DataTable dt) { string fileName = "dummydata.csv"; string[] lineCSV = new string[5]; StreamReader myReader = new StreamReader(fileName); // Define …

I'm trying to extract some metadata from a m4v file. I'm looking for the duration, height, width, etc. I do all my programming on a Raspberry Pi and was looking at gexiv2 but could not get it going. I got exiftool working though. My script looks like this: import exiftool …

I'm trying to develop my own simple uptime command (used to show how long the system has been running) like program where I'm gonna use it for our university's OS, (consider the OS already has all the necessary C libraries needed to make system utilities) Could someone give me a …

i trying to my background move left if user hit right key. and background right if user hit left key. that way it will look like my player is moving. the problem is that when ever i hold right key, the background waits 1 sec than moves to left. i …

Hello. I have a project for queues simulation to do and I have to follow the MVC pattern. My classes until now are: Client, Queue which represent the Model, Controller, GUI which is the View, and the Main class. If I have those 2 classes representing the Model, how should …

Hi, i want to convert a .jsp file to .java file. I read various forums and they said to use tomcat to convert .jsp to .java.I have ran tomcat but it is not doing anything(i cannot write anything). Through command prompt i ran it and it just opens a new …

I try to export my tables to excel in multiple sheets but i'm having an error state that object variable or with block variable not set. Hope anyone can help me. Here's my code. Private Sub exportexcel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles exportexcel.Click Dim del_cmd As New …

i have created two forms and two controls, form1 has a button, form two has label. now i wanted the caption of my label to change after clicking on my button, but i just can not call in the control "label" into my button click event because there are from …

Group, I've got part of my code started to populate the DataGridView with the data I need to return. When testing it, I have this long pause and no returned data. I finally have to kill it via <Control><Alt><Delete>. I've tried reading through mulitple websites to find some information to …

i added file extesions to associate with my program from Puplish/Option/File Association But i dont know how to execute related codes when users open the file associated with my program? how can it perform a specific code associate file type and determine which file type it is after program loaded?

Hi, i am trying to make a server client application using sockets in C. Server and client compile just fine but they dont seem to connect with each other and i don't understand why (i just started learning about sockets). My OS is SunOs 5.10. This is my server code …

error: The method paint(Graphics, main) in the type player is not applicable for the arguments (Graphics, main.Display) on line: player_class.paint(g) main.java public class main extends JApplet { Timer timer; Display display_class; Player player_class; /*** init method ***/ public void init() { setSize(800, 400); display_class = new Display(); setContentPane(display_class); }/*** end …

Can any one help me writing code which can only creat three digit random number not two digit or one digit number? Following code creates 3 digti but also creats two and one digit number.. public class random { public static void main (String [] args) { double n = …

I am writing a program for class but stuck. I need my program to pick adult, child, student or senior, if I enter any of them. #include<iostream> #include<iomanip> #include<string.h> #include<fstream> using namespace std; int main() { int choice; int months; int Adult, Child, Student, Senior; cout<<"Enter the number of months …

What is the difference between Definition and Declaration of a variable? Am not talking about function, but variable. When I googled, I found these two answers which are quite contradictory! While one says "definition occures once through the program( memory is allocated once ), but the declaration can occur many …

I have to update a road tunnel lighting program I wrote for a company. They now want a new standard to be applied, but with the option of switching between standards real time. And there will be other standards in the future. Currently the single object which calculates the lighting …

$ awk -F ":" 'NR!=1 {print $1}' test1.txt what does this mean?? especially ":"??

What I am trying to do is make a program that reads a txt file and converts the number into a double array. import java.io.*; import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class rocket { public static void main(String[] args) throws IOException, FileNotFoundException { System.out.println(readLines("/Users/Jeremy/Documents/workspace/altitude.txt")); } public static Double[] readLines(String …

please help me to write a code which includes a function for calculating the squareroot of a number without using the predefined functions in the function header............

Greetings While reading I encountered a statement I did not understand what does it mean "Cout is a predefiend object in C++ **to correspond to the *standard output stream*** 1- What is that exactly mean? 2- what is the *standard output stream* & *standard input stream*?

I am trying to make a simple cryptography program using a simple subsitution method. If any one could help that would be nice. I need to be able to encode it as well as decode it. but im just a little confused on how to go about doing that. here …

i have a sprite sheet(image) and i want to draw on screen. image = sprite sheet image x = player x postion y = player y postion width = player width height = player heigh public class main extends japplet { ... public void paint(Graphics g) { g.drawImage(image, x, y, …

Hello, I have been making an employee timeclock and have run into a bump in the road. Here's what my setup is like when an employee (who is not an Admin) loggs on they get a simple screen telling them the current time current date and two button that allow …

The function called skipped over when i run the program. What's the problem? #include <iostream> using namespace std; void searchId(int id[], int& idNum); int main() { int idNum; int count; int *id; int Numid; cout << "Please input the number of id numbers to be read "<<endl; // cin >> …

i am a beginner. i need online tutorial for shell scripting. there are many on the web.. which one to choose??

Hi, I am trying to download files using Net::FTP perl module. I am facing problem with downloaded files not able to place in there respective folders. Please need help, I am providing the code below #!/usr/bin/perl use Net::FTP; use File::Copy; $ftp = Net::FTP->new("ftp.ncbi.nlm.nih.gov", Debug => 0) or die "Cannot connect …

I can't detect the problem to this program that i've made. there's a problem for sum and average. #include <iostream> using namespace std; float sum(float[], int); // Declaration of function float average(int, float);// Declaration of function int main() { int numMonth; int count; float *sales; float userInfo; cout << "Please …

Hy guys, I was searching the net for almost half a year for an article which gives an opinion about HOW WOULD PROGRAMMING LOOK IN A 50-100 YEARS TIME.Now you can guess already I haven t found anything special so this is the reason why I am writting this post. …

This is for part of my homework in an Object Oriented Programming class. I debugged the top part to make it workable. I need help on how to delete a searched item and also think I am missing closing the database file at the end. The search function #2 is …

I don't get what's wrong with this code I keep getting a value error when i run this it says Traceback (most recent call last): File "rolling.py", line 40, in <module> dice1, dice2, dice3 = numb(dice) ValueError: need more than 2 values to unpack please help? def numb(dice): if dice …

Tried following code to get timezone conversion and failed. public static String ConvertTmz(String timeFormat, String timeStr, String tmz){ String theTimeFormat="MM/dd/yyyy HH:mm:ss"; if (timeFormat!=null) theTimeFormat=timeFormat; SimpleDateFormat sdf = new SimpleDateFormat(theTimeFormat); sdf.setTimeZone(TimeZone.getTimeZone(tmz)); GetTimeStr(timeStr); GregorianCalendar time=new GregorianCalendar(yyyy, mm-1, dd, hh, mi, ss); return sdf.format(time.getTime()); } Please help.

I have a database table that is a catalog of each day of business (DOB) for my 3 'stores' ranging over a year. Other than the Store ID and DOB, all other data here is irrelevant for this discussion. The data entry of this table is not necessarily in chronological …

Hi all I am trying to write a program to recognizing word or phrase is a palindrome or not. Please help me Regards Aura

I would like to ask on how to do calculations and saving the result and retrieve again just like making a deposit and withdrowal in banking system. i really dont know how to do so.. i am trying to formulate some codes but it just don't work. Pls help. I …

Group, I've read through the tutorial regarding Listviews and SQL's (http://www.daniweb.com/software-development/vbnet/code/445801/avoiding-sql-injection-attacks). Thanks for the article. It was very imformative. So I thought I might try this with the project I'm doing. I really like how these listview look and what they can do. But I realize I need to know …

Hey guys i'm having a lil trouble with object serialization. student * s = new student("Mike",200014); ofstream ofs("student.dat",ios_base::out | ios_base::binary); ofs.write((char*)&s,sizeof(s)); ofs.close(); If student was a class with attributes `studentName:string` and `studentNumber:int` would the above code write the object pointed by s to the file `student.dat` ?

how should i readout data from shell to python script variables.. ? process = subprocess.Popen("rsh botham 'ps -eo fname | grep sublime'",shell=True, stdout=subprocess.PIPE) process2= subprocess.Popen('hostname')

parser = argparse.ArgumentParser('Utility to display SyncId information.') parser.add_argument('ids', help='list of ids to dsiplay information related to them.') becuase if i pass more than one value to the function from commandline , i get error of multiple values being passed saying error: unrecognized arguments: second third the first one goes through …

menu driven program to perform the following stack operations using a linked list: push pop and display elements. #include<iostream.h>//header file i/o stream flow #include<conio.h> class Stack { int A[10]; int top; public: Stack() { top=-1; } void push(); void pop(); void show(); }; void Stack::push() { int x; cout<<"Enter the …

why this [code](http://ideone.com/hfYD8V) is giving me runtime error?

I have a problem with creating drag and drop in Swing. I have written class that represents the toolbar item here is the code shortened code for it: public class ToolbarItem extends javax.swing.JToggleButton implements IToolbarItem, Transferable, DragSourceListener, DragGestureListener { private ModelEquivalent _modelEquivalent; private DragSource _dragAndDropSource; private TransferHandler _itemTransferHandler; public ToolbarItem(ModelEquivalent …