Software Development Forum

Hello, I am trying to read exact 2 bytes from binary file, and transfer it to int, whatever is it 2 or 4 bytes. Atm on my computer is 4 bytes. So I have two bytes into four bytes scenario. I am using this code [CODE]ifstream in_stream; in_stream.open("test.dat", ios::binary); streamoff …

Hi All, I was wondering if any of you would know of how can i change the interface of a java program to a web based interface using html5. I know i could do this easily using jsp/java.net but my requirement states to change the java desktop program application interface …

Hey; I am following CoreJava and came to Event Handling chapter. I am trying to show a popup menu when the red button is clicked, but not works. Background color changes but no popup menu is shown. What is the problem? [CODE]/* * To change this template, choose Tools | …

[CODE] #include <iostream> #include <fstream> using namespace std; int main() { char ch; ofstream outf("ITEM.txt"); cout << "Enter item: "; char name[30]; cin >> name; outf << name << "\n"; cout << "Enter item cost: "; float cost; cin >> cost; outf << cost; cout << "written to file item.txt\n"; …

I'm currently generating a random number and placing it in a label, but when I press the next button I would like the program to generate a new random number. The method I'm currently using to create the generate is: [CODE]//Random number generating method public double RandomNumber() { //declares random …

Hi, I'm almost done with my coding and I'm trying to implement blocking the user from putting anything but numbers into one textbox and then autocaps'n everything put into another. I've been looking through the web and can't find anything to point me in the right direction. Also, I can't …

Hye all I am developing a Shop Software i want to know what kind of Grid i have to use at Sale Form which will sum up and print bill?

help i am a beginner and i need help with my final program. i beleive i have everything set but i am not sure how to write the function. i want the function to add up all of the rides and give a grand total but i can not get …

I'm not sure if this is possible. Basically, I have a function that will detect the current active user. [CODE]string currentUser() { string user; ofstream outf("CurrentUser.dat", ios::trunc); system("whoami >> CurrentUser.dat"); outf.close(); ifstream inf("CurrentUser.dat"); inf >> user; return user; }[/CODE] I have another function which will create a directory in the …

First let me thank you for taking the time to read this. I've been working on this code for a while and I can't seem to get it to run. Basically what I have to do is take in data from a file then output the data in a report …

Hey there =) Im struggling to save a file to my MySQL database. I managed to save a image to the database with this code [CODE] SqlConnection con = new SqlConnection(Properties.Settings.Default.NorthWestConnectionString); SqlDataAdapter da = new SqlDataAdapter("Select * From MyImages", con); SqlCommandBuilder MyCB = new SqlCommandBuilder(da); DataSet ds = new DataSet("MyImages"); …

[CODE]double speedTest() { double dInitialTime = clock(), dFinalTime = 0; double dRepititions = 99999999; double dResult; cout << "\nCalculating...\n\n"; for(int nCounter = 0; nCounter <= dRepititions; nCounter++) { pow(dRepititions, pow(dRepititions, dRepititions)); } dFinalTime = clock(); dResult = dFinalTime - dInitialTime; ofstream outf("Results.dat", ios::app); outf << dResult << endl; return dResult; …

OK, I have been out of the loop with C++ for a year now. I am finished with school, so this is NOT homework. Just trying to clean up some old assignments for future references. (the code is in "messy" shape til I can get it working properly and clean …

Tuples are immutable objects, they cannot be changed says the Python manual. [code]my_tuple = (1, 2, 3, [4, 5, 6]) # this works my_tuple[3][2] = 7 # clearly the item at index 3 in the tuple has changed print(my_tuple) # (1, 2, 3, [4, 5, 7]) [/code]

Morning guyz,I need to make reference to a form 2 on my project from form 1 and it as be seeming impossible. [code] /*this is the code I wrote. form2 me=new form2(); me.groupbox1.visible=false; */ [/code] The broup box is always visible anytime I click,Plz help

Well i'm beginer in c++ programing languages, what I need to know is, What is the partations of c++? What kind of programmes I can built with? And why it's the best programming languages?

Hi I am hoping someone might be able to shed some light on my issue. I have some BLOB images within a small, 9 row, database and I simply want to run through the database and sequentially place each separate image into 9 picture boxes. I have tried with a …

Hi..! i need to make a trial period software. Do anyone knows how to do it. I have gone through many links and still searching in google, but everywhere i found only some points mentioning about the way of doing it, but no one explains about how to do it... …

Hi guys, Is there a difference between these two: struct->variable struct.variable ?

I cannot read the info I stored into the files and I need help. Whenever I give the user the option of saving more records or simply retrieving a record, it always stops on the retrieving part. [CODE] Type Str25 = String[25]; TBookRec = Record Title, Author, ISBN : Str25; …

I am not trying to use a setup.py, i just want to use the basic script. the website says as an example: [code] cxfreeze hello.py --target-dir dist[/code] thanks in advance! I tried this but it did not seem to work: (The Command Line is in the folder with the Shooter.py) …

Hi there, I have been given this question to complete but I can't seem to get my code working properly. I'm very new to C# so sorry if i come across as stupid! Here is the question... Create a class that represents the grade distribution for a given course. In …

Hello, Please help me, how can i populate or display my newly added list in the listview, if i will click my addbutton.can you please help me. Thank you in advance and I am hoping for your positiver response.

I have done some calculations in two textbox data type is double like 9/8 The answer is in point [B]1.125[/B] how can i make it in complete value. like if it is less than .5 it take 1 as complete number. or if the answer is above .5 then it …

Hello guys i've been learning java for a short while and have come upon a problem which i cannot seem to solve. I have a boolean array of 11 values, now i want to prompt the user into entering the number 1 or 2. If the user enters 1 I …

Hi, I have a panel which contains numerous dynamically generated datagridviews. Everything is working pretty fine, but for instance if there are three datagridviews in that panel. At least one row is selected as default in each datagridview, So what I want is to get colored only user selected row …

Hi All, I'm trying to return my username in c#, but my Fullname... like John Smith. Right now I am only getting mt actual login to windows, does anyone know how to do this? string strUsr = WindowsIdentity.GetCurrent().Name.ToString(); MessageBox.Show(strUsr); Environoment.username also brings back login... not full name any suggestions???

Hi I'm working on a project. i'm using c++ gui windowns forms. when people press the red cross, then the program need to do something before exiting the program. can someone tell me how to make this. what event I need to use. thanks in advance

Hello, can anyone help me regarding how this can be done? I need to declare an 'array' which has 95 indices, and each entry holds 8 bits each of data. am doing this with: PORT_MAP_LEN = 764/8 bit_map_len = [0]*PORT_MAP_LEN but it is giving me list index out of range …

i have buttons and i would liek to make shortcuts from the keyboard to press them. eg. btnAdd = CTRL+A

Hi, I have a value in a string with a semicolene and i would like to remove that semi colene and put a dot. [B]FROM[/B] string a = 10:12; [B]TO[/B] string a = 10.12;

Hi, I am trying to create a form application with console. I label my text box using, this.Test = "Assignment 8". There is a button saying press me. When button is pressed, the box that comes up needs to say Click me in the title area. I can't find anything …

Hi Everybody, I am developed an application software in that i want to use notification Icon. But it seems to doesn't work for me. can anybody help me? Here is my code [CODE]private void button29_Click(object sender, EventArgs e) { notifyIcon1.Visible = true; notifyIcon1.ShowBalloonTip(2000, "Hello", "Hi", ToolTipIcon.Info); }[/CODE] it will not …

hi... I made two class assemblies to use with my project now I want to make DLL of these class libraries so that deployment will be easy. can any one help me how to convert a class library to DLL. or com object Thanks in advance

I've done Hello World programs with Visual C++ Express 2010 before, but I always checked the "Empty Project" option. This time I selected a Console project and took the defaults. Program is below. [code] // HelloWorld.cpp : Defines the entry point for the console application. // using namespace std; #include …

Anyone let me know what is going on here? Think it is something to do with the scope. [CODE] double answer; if (sender is System.Windows.Forms.Button) { try { answer = Convert.ToDouble(answerBox.Text);//if cannot convert } catch (Exception ex) { MessageBox.Show("Enter a valid number" + ex.Message(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Information); return; } } …

Hi all, I have been doing for fun this problem in projecteuler.net. The problem is as follows: +++++++++++++++++++++++++++++++++++++++++ Peter has nine four-sided (pyramidal) dice, each with faces numbered 1, 2, 3, 4. Colin has six six-sided (cubic) dice, each with faces numbered 1, 2, 3, 4, 5, 6. Peter and …

I am trying to compare a string literal with a string downloaded from a webpage. Here is my code. [CODE]using System; using System.Collections.Generic; using System.Text; namespace testsource { class Program { static void Main(string[] args) { string source = getPageSource(@"http://www.mywebsite.co.uk/index.php"); string fromsource = source; Console.WriteLine(fromsource); //Displays Text Here in console …

Compare the two and just return how many match, don't need to know which ones matched Having a bit of brain freeze on this right now, any got any ideas?

[CODE] Private Sub Combo1_Change() With Me.Combo2.Enabled = False Select Case Me.Combo1 Case "bob" Me.Combo2.Enabled = True Case "carol" Me.Combo2.Enabled = True Case "jeff" Me.Combo2.Enabled = False Case "freeda" Me.Combo2.Enabled = false Else: Combo2.Enabled = False End Select End Sub[/CODE] Hi all , this code seems to be wrong as i …

Dear all I am totally new to visual C#. Whilst I can sort of manage console apps, I easily get lost when it comes to coding forms. I am currently making an "app launcher" which reads a text file line by line. Each line is a path to a useful …

First, my program works. I'm posting my code for my own personal benefit with the help of your guidance to know of any better way of handling this code. I was considering the use of [CODE] while(cin >> grabname) [/CODE] to possibly continue grabbing from the input stream until '\n' …

hello, i wrote a little program, but There are some problems. Can anyone help me? here is the code: [CODE]#include <iostream> #include <math.h> #include <fstream> using namespace std; bool tikrinimas(const char *filename) { ifstream failas(filename); return failas; } int main () { tikrinimas("example.txt"); bool failas; if (failas==true) {cout << "good";} …

Good Morning All, Let me start by saying I am completely new to programming in c#, however I do have some VBA experience. That being said I have hopefully a simple thing I am stuck on. On a windows form I have a textbox that I have set READONLY = …

Hello everyone, So im been looking around and i havent been able to find info of this problem that i have, so this is the main thing I have this datagridview of an inventory, and i added an extra column(unbound) to the dgv, so what i want to be able …

Hey there =) i have 2 tables with a relationship between them. a Primary key in the one table, and a secondary key referencing the primary key, in the second table. Now usually when i want to display data in my db i INNERJOIN the two tables, so i can …

Hello All, I've been scouring the internet for code on sending email through lotus notes and this is what I found: [CODE] static void SendNotesErrorMail( string err, string file) { //Pass in file name string filename = file; //Pass in error message from TryCatch string errMessage = err; //Create new …

[CODE]// student.cpp - Script 9.7 #include <iostream> #include <string> // Declare the Person class. class Person { public: Person(std::string theName); void introduce(); protected: std::string name; }; // Declare the Teacher class. // Teacher inherits Person. class Teacher: public Person { public: Teacher(std::string theClass); void teach(); void introduce(); protected: std::string clazz; …

I commented by the last line. I am trying to print out the string in reverse. [CODE] #include <iostream> using namespace std; void add(string n); int main() { string B ="ABCDEF"; add(B); } void add(string n) { if(n.length() <= 1) { cout<<n[0]<<endl; return; } else { cout<<n[n.length()-1]; add(n[n.length()-1]); //this lines …

Hi guys, Im trying to write a program that find the biggest rectangle by its area. I've tried and it doesnt seem to compile. Can you help me please, thanks. [CODE] public class Rectangle { private int width; private int height; public Rectangle(int width, int height) { this.width = width; …