Software Development Forum

I'm working on a project that contains 3 different lists. 2 lists of 2 different controls, and 1 list of a custom class. I found that I needed each of these lists sorted. The problem with sorting a list of complex types is there's no default comparer for them. That …

I have this RSA encryption code but it doesnt encrypt the whole message its suppose to encrypt. It only encrypts #include <iostream> #include <string> #include <string.h> using namespace std; // prime numbers int p, q; //compute int n ;//= p * q; //totient int phi;// = (p - 1) * …

hey.... im supposed to make a school project using files and graphics..my topic is telephone directory.if i have to delete a particular entry,should i keep making a new file or is there any alternative with regards

Hello all, I Wish to call Button1_click event of Form1 in Button2_Click event of Form2. i.e Calling event of one form into evnet of other form. How can I achieve this? Thanks.

I need a programme for my mom's business inventory. I tried to download Dev-C and Visual Basic so I could make one, but after downloading it, the software would not open completely in the computer.

Hi there, Today, I had a chat my lecturer about instance methods and static methods. I thought you make methods with static modifier (let me know in the comments below if I'm wrong) if you want to access them without creatng an instance of the class which they're defined in. …

I want to create tables in database dynamically i.e at the click event of a button or any other event. Suggest me HOW ? Thank You

Hi there, I'm just a hobbyist teaching myself python but I am making progress with the help of "Rapid GUI Programming with Python and QT". I have written what is probably a very poorly designed programme which does just about what I want but when it's closed the process continues …

Greetings! I have a problem with my dialog box, my project has multiple form. When I try to exit the dialog will appear, If will the OkButton the method function as what i want, but if I click CancelButton the from will close itself but the program is still running. …

These days im using xcode and its a bit of annoyingly good amounts of changes from borland which im used to But i keep getting error for this printf ("\nThe amount of First Class cars Stocks remaining are: %d", &stock1); (while stock1 is declared: int stock1) and it says format …

I have one table with content of data with a Status (Yes/No). I want to get sum of total data where status is "yes"and put it into another table and sum of total data where status is "no" and put it into previous table in a different column to maintain …

I'm encountering a problem when I try to write over a network stream. When I press this button here, I can successfully write to the tcp stream and the other part of the program successfully receives the data. Dim ClientSocket As TcpClient Private Sub btnConnect_MouseClick(sender As Object, e As System.Windows.Forms.MouseEventArgs) …

I want this code to run in the background but still be active: Private Sub frmMain_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles Me.KeyPress lblTest.Text &= e.KeyChar End Sub

First of all I'm using pythong 2.7.3 and libtcod 1.5.1 I am following a tutorial found at http://roguebasin.roguelikedevelopment.org/index.php?title=Complete_Roguelike_Tutorial,_using_python%2Blibtcod,_part_2 and have code matching (as far as I can tell) exactly what it is telling me to do. My code is below. The general idea is to create a white and yellow …

Hi, Let me preface this by saying I'm about 4 days into learning MSVC++ 2010. I just need a little program that takes in a string, puts it in an array and I'd really like it to display it on the screen as the data comes in (1089 strings per …

//Why do I have to use following code to get a column number: ListSelectionModel ks = tabel.getColumnModel().getSelectionModel(); //Rowselection does not require a special row selection, I can get a proper row number with: ListSelectionModel ss = tabel.getSelectionModel();

Hi I'm creating a socket server in Linux using pthreads. I was just wondering, how does the server send specific messages to its clients (for instance, a PM) if each is in its own standalone thread?

I've been trying for a while and can't figure it out http://pastebin.com/4PZj2c9s

Write a Python program to apply the given formulae above to complete the missing information in Table 2.2. As vMax (his speed at 30,000m) is an unknown, allow the user to input a value of between 500m/s and 600m/s, each time displaying a new completed table. For an extra 3 …

My project compiles fine, but when running a push_back on a vector, I'm getting an access violation when the vector attempts to resize itself. I have lots of code, but hopefully I can boil it down to just relevant classes. I am sorry about the HUGE amount of code, but …

 I'm trying to figure out how to add a new connection to MySQL running on a different computer on my network. When I click Project --> New Data Source a list of drivers appears, but none of them are MySQL (see thumbnail) which I have previously installed. I'm …

I have been making an Adventure Game and when I try to test it, it always comes up with Hello! Welcome to the adventure game! What is your name? Parsia Parsia? Well hello there! Let us begin... You are at a trail with two paths. Left or right? left Traceback …

Greetings! I just want to ask on how to transfer a letter from a textbox to label? what I mean is for example we have a label then a textbox, In a textbox I'm going to type a random words/letters then If there is a letter "A" in the text …

Hi guys!, I thought i'd try and learn a bit of python to keep myself occupied, and i was wondering if you could give me some constructive criticism on a word guessing game i have created. I'm an amatuer programmer and i'm always looking at improving when and where ever …

how do you link functions written in other computer languages with a C/C++ program? this is in a past paper , & i can't find it anywhere? helps

This is an issue that I've discusses many times before, but never with a conclusive solution. I am trying to programmatically change the data range for an existing chart in Excel. My code goes something like this: [CODE] With WS.CharObjects(SelChart).Chart With .SeriesCollection(1) .XValues =DataWS.Range("A1:A101") '<-----ERROR! .Values = DataWS.Range("B1:B101") End With …

Hi everyone, I'm learning C# at the moment and really enjoying it. I'm wondering though how I can develop my own algorithms. do I need to read on data structures and algorithms? Is there a book for all programming languages so you can apply the knowledge to basically any programming …

I have got very weird problem with a int variable. There is a code: #include <EEPROM.h> #define dht_dpin 14 byte bGlobalErr; byte dht_dat[4]; int a; void setup(){ pinMode(13, OUTPUT); a = 0; InitDHT(); Serial.begin(9600); delay(300); Serial.println("Humidity and temperature\n\n"); delay(700); } //end "setup()" void loop() { digitalWrite(13, HIGH); delay(300); digitalWrite(13, LOW); …

date wise stock report needed....

Hi all, **First of all please read the full article and then try to suggest me...** I want to make a java project on streaming video encryption. Where i will use two PCs 1 act like a media server and other act like a client. So a video file (example.avi) …

What and how does shared namespace in C++ works? Are most of the variables, types, and procedures can be used in shared name space?

User is supposed to type an input, and if it's not an integer, the user needs to type another. This repeats 3 times for 3 inputs which go inside an array. The integer checking works, but the problem is that when i display the 3 integers, they are all the …

There is a small problem i have there is a small error that i didnt use to have with the boorland compiler I'm using xcode these days and in my switch case im trying to execute a function (as you can see, the "main" function) however it says that it …

Hi, I have a log file contain 28 lines, 1-I need to grep the line with the size next to that i need to grep the name from the line Example: Size element 1. 906K ykms2 2. 1.2M ykps1 2-if one or more of the lines are missing I need …

I am trying to reference a cell with a date from one worksheet to the other. I am using ='Statistics MVP'!A16 but it doesn't give me the date format it just gives me the number 41125 or any other number. When I format as a date form I get 1/0/1900 …

I want to print like this in 100 rows in vb.net useing cristal report how to do this?

Hi, How can I set the the cursor initially in the text box whenever my application executes? Please help. Thanks

from PySide import QtCore,QtGui import sys class ToolBarUI(QtGui.QMainWindow): def __init__(self,*args,**kwargs): super(ToolBarUI,self).__init__(*args,**kwargs) self.floatingToolBar() pass def buttons(self): self.btnVLay=QtGui.QVBoxLayout() self.incSavbtn=QtGui.QPushButton("Save") self.emailbtn=QtGui.QPushButton("Email") self.upldbtn=QtGui.QPushButton("Upload") self.setPrjbtn=QtGui.QPushButton("Set Project") self.setThumb=QtGui.QPushButton("Set thumb") self.shwMatbtn=QtGui.QPushButton("Show Material") self.fixtexbtn=QtGui.QPushButton("Fix Texture Paths") btns = [self.incSavbtn,self.emailbtn,self.upldbtn,self.setPrjbtn,self.setPrjbtn,self.setThumb,self.shwMatbtn,self.fixtexbtn] [self.btnVLay.addWidget(each) for each in btns] def floatingToolBar(self): self.buttons() self.setLayout(self.btnVLay) self.show() pass if __name__ =='__main__': app = QtGui.QApplication(sys.argv) app.setStyle("cleanlooks") win …

not working: // range for for (int (*row)[4] : ia) { for (int col : *row) cout << col << " "; cout << endl; } // error: cannot convert 'int*' to 'int (*)[4]' in initialization. working: // range for for (int (&row)[4] : ia) { for (int col : …

All, How do I get the `readSensor()` method to run in threads? Thread location1Thread; Thread location2Thread; Logger location1 = new Logger("187.20.150.20", 2000); Logger location2 = new Logger("187.20.150.21", 2000); // The next 2 lines lines result in the following error message: // "An object reference is required for the non-static field, …

Hi all. I have a process that checks the last time a file was updated. If the data is over 3 minutes a separate perl script is started. The problem is that second script takes 5-10 seconds to run. Is there a way to start the second script, but continue …

i don't have a clue what is wrong here.... the program is supposed to add, subtract, multiply and divide two real numbers. #include<stdio.h> float add(float x, float y); float subtract(float x, float y); float multiply(float x, float y); float divide(float x, float y); int main (void) { int choice; float …

So I'm using the >> operator to read objects from a file one by one. I am simultaneously counting the objects and need to read them again one by one to print from a certain point. inFile.clear(); inFile.seekg( 0, ios::beg); Doesn't seem to work for me, and I assume it …

hey guys can someone help me with this i am stuck here where do i define a loop to add more nodes in the linked list or any other way to define nodes itslef in the code class Program { static void Main(string[] args) { List obj = new List(); …

I have a new game item in the menu bar, was wondering if anyone got suggestions on how to accomplish that! Thanks :)

# **I Need a Code For This Question Please** # Suppose you have a text file containing the name of salesperson followed by 3 numbers representing his sales during a certain period: Ali 30 40 60 Khaled 44 99 88 Suad 88 90 60 ..... .... You are requested to …

Private Sub txtDesc_TextChanged(sender As System.Object, e As System.EventArgs) Handles txtDesc.TextChanged Select Case Asc(e.KeyChar) Case 8, 32, 65 To 90, 97 To 122 e.Handled = False Case Else e.Handled = True End Select End Sub **I am encountering these errors: 'Handled' is not a member of 'System.EventArgs' 'KeyChar' is not a …

I have no idea hw to approach this... i need to end my program, shown below by the user pressing the letter Q on the keyboard. Help? #include <stdio.h> #include <stdlib.h> float subtract(float x, float y); int main (void) { float x, y; printf("Please enter a real number:\n"); scanf("%f", &x); …

Hi, I would like to write a script to scp files from 1 server to other but the problem is if scp fails maybe because of server crash or somthing like that, i would like to start scp from the last file. i dont want to copy all the files …

Hi, I'm having some trouble with my code that convert binary to decimal using recursion. this is my code #include <cstdlib> #include <iostream> using namespace std; void binaryToDecimal( int binaryNumber, int decimal, int weight ); int main(int argc, char *argv[]) { // binary to decimal int decimalNum; int bitWeight; int …