Software Development Forum

public class NumFormat { public static void main (String [] args ){ int quarter = 2; int dollars = 3; double total = dollars + quarter * 0.25; final double TAX_RATE = 8.5; double tax = total * TAX_RATE ; NumberFormat formatter = NumberFormat.getNumberInstance (); formatter.setMaximumFractionDigits (2); System.out.println ("Totali:$" + …

how to search in double linked list in java ?

Does anyone here know what programming languages does the military usually use to make sumbarine softwares? If anyone can point to some links because i wasn't able to find anything on the net.

Hi i m trying to make a combobox that user can choose a value from a table this value then it is saved i have the code really i m stucked on combobox.. import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.GridBagLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; //The API for …

Hello, I need a litle help here. I am creating a program that finds a specific sentence in a word path and replaces it with a given value. Specific sentence: l="600" And it has to be changed to : l="300" This is not to dificult and works fine: Public Class …

Hello Guys, Good Day. I have this kind of error `OperationalError: no such table: table_name` when I make a query like `modelname.objects.all()` in **manage.py shell**. But I already did the ff: 1. settings.py > Databases > django.db.backends.postgresql_psycopg2 DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), }, 'db_foo': { …

So I have this but I'm not really sure of how to print the smallest element of array `a` , print the sum of all the elements in array `a` , and print the average of all the elements in array `a`. Help please. Is this how to print out …

This AVI file player has some nice features like adjusting size and speed. The program uses the standard MSvfw32.lib (called libmsvfw32.a in the DevCPP lib directory). Another example of using BCX to translate to C code and modify to something Dev-C++ can handle. Enjoy!!!

When I try to compile the program at the bottom this is what I get. `-> qtprogram.cpp:1:24: fatal error: QApplication: No such file or directory` I got this code from a C++ QT book and I'm compiling this on Linux with this command. `-> g++ -g -Wall "${ARG}" -o "${ARG:: …

Hi folks, I've a problem when writing the contents of a file that was read using steam reader to the console window. It is only displaying part of the information that it should be showing. It should be displaying like this: http://i1370.photobucket.com/albums/ag266/Aaron_McCauley/1_zps4b8c3625.png But insted it displays like so (Notice the …

//The code contains 10 distinct syntax errors. //Rewrite the code, correcting all syntax errors. int _tmain(int argc, _TCHAR* argv[]) { int numStamps{4} = {0,0,0,0}; ProcessFileData(numStamps); DisplayDenominationTable(numStamps); double totalCost = CalculateCost(numStamps); cout << "Total cost of stamps is " << totalCost << " euro"<< endline; return 0; } //this is my …

hello daniweb community; The first window my application shows is this one: def init(win): win.title("Ausgangsposition") win.minsize(800, 600) getcurrentrateandcurrentbalance() btn.pack() Usage of win: win = Tk() win = Toplevel() methode getcurrentrateandcurrentbalance() def getcurrentrateandcurrentbalance(): threading.Timer(5.0, getcurrentrateandcurrentbalance).start() print "Hello, World!" + result lab=Label(win, text="Aktueller Kurs: " + res +" Euro/BTC", bg='#40E0D0', fg='#FF0000') lab2=Label(win,text="Aktuell …

Hi guys, I have small problem with my example code. Any hint? #include <iostream> using namespace std; class A{ public: int a; A(int i){a = i;} A(const A& rhs) // copy constructor { a = 2; } A(const A&& rhs) // move constructor { a = 3; } }; void …

I have a python script that connects to my database and updates it with a file that i specify. But i keep getting a syntax error on line 5 and for the life of me i can not figure out what it is. If someone could pointit out and how …

How do i get make the correctLabel to have all the text disappear so there is NO "correct" and the "buttonclicked values". I have been tryin but i can only manage to get the "correct" to dissapear the button clicked values are not removed correctLabel.setText("Correct: " ); // this sets …

How do you display the week ending date (Sunday) in VB10? When a form loads, I want to display the upcoming Sunday date in a label. In VB6 I used the following code and it worked fine. Private Sub Form_Load() ' Set Default "Week Ending" Date lblWkEndDate.Caption = (Date + …

I'm working on images and its working fine when code is out of function, and gives error when code is inside the function. My code is: def matching_image(): i = 0 resultlist_key = [] result_list = list() a_list = list() b_list = list() a_list.append(feature_matrix_ip)# feature_matrix_ip contains features of the query …

Well, in my previous thread i needed help deleting arrays, for the codes i use its here: http://www.daniweb.com/software-development/vbnet/threads/426588/how-to-move-arrays-1-place-down- But now i need help saving the arrays, i can save all the arrays to ini file like this: Ini module: Option Strict On Module INIAccess #Region "API Calls" ' standard API …

Hi, I created a structure Vector and implement some functions to make the new defined type (vector) dynamically allocated and resized (inspired from the C++ implementation of the dynamic arrays : vector). I need to assign a structure to every vector element but I am not sure that I am …

So I have quite a problem over here and its wrecking my brain. I am reading in information from a csv file. the contents (or a row to be specific) of the file looks like: 1763275,95603462,NDBKPOS 1102I,EFT930G_16,CONNECTNET SIM,ACTIVE,RESTAURANT,RFU,2014/01/30 10:15:11,RFU,RFU,UN, In the above row you will see a date. When filling …

Hello, how to programatically close outlook model pop up in vb6.0? Thanks

Im trying to add odd numbers recursively from n to m but its not working . im sure its in the recursive logic on how im passing the arguments or something. public static int OddSum(int low, int up,int total) { if(low==up) { return up; }else { low+=2; return total += …

I was going to check if a temp table exists and delete the it,since "the temptable already exists" arises if you want to perform another operation. Here's the code i used five statements but it says syntax error in drop table or drop index statement. Any help would be appreciated. …

I am just learning how to call arrays through methods and I know how to do it when they are integers, however, my teacher did not go through too much on what to do with Strings. I figured they weren't much different, overall same concept, however I keep getting an …

This is my code am getting the result as byte array. i want to print this byte array without saving as pdf in system. kindly note this is web application not window application Page p = new Page(); string fname = string.Empty; string filetype = string.Empty; ReportViewer rptvw1 = new …

Hello Does every function in C++ returns value? If yes what is that value and what is the use?

I have been racking my brain for a bit on this and just can't figure it out. The book "Object-Oriented Programming C++" by Joyce Farrell pg382 exercise 13. They're wanting me to make a class named "PlayingCard" that contains 4 fields which are values and suits in both numbered and …

Hey all, I was wondering if a web page could be opened in Mozilla Firefox using a shell script!..I haven't given it a try as yet...I will also try and if I find a a solution I'll definitely put it up....Till then if someone finds a solution or knows it …

This is a trivial program in Turbo C 2.01. It is intended to show that C can do arithmetic with mixed data types, and what the results are: #include <stdio.h> void main(void) { int num1 = 5; float num2 = 2; int num3; num3 = num1 / num2; printf( "%f\n", …

Hi, I am new to VB.NET and am working on what is pretty much my first app. The app is based on a sql data source (created within Visual Studio) and basically is intended to show who is on-call when the app is loaded. So, i have some test data, …

Write a complete C++ program that reads the attached file (values.txt) to find and print the following: a. The average value of the numbers in the file. b. The maximum and minimum value c. The count of negative and positive values (ignore zero) #include <iostream> #include <cstdlib> using namespace std; …

The code isn't displaying and then reversing entered numbers. reverse.cpp // // #include <cstdlib> #include <iostream> #include "linkedStack.h" using namespace std; int main() { linkedStackType<int> stack1; linkedStackType<int> stack2; cout << ""; cout << "output your name\n\n"; int number = 0; // AUSE LINKED STACKS // cout << "Enter first number …

i want to understand that what is bolean data type in c++. I tried to my best but i can not understand boolean data type plz help me

I am trying to make a form in vb and connect that to database .First of all i created a databse and then opened new project and tried to connect that database to form. file new--->try____>project--->add new item---->Service based databse--dataset---->finish step2----->in databse explored right clicked on table and Add table …

Good afternoon. I am developing a gmail app for my personal consumption for now and it has a lot of bells and whistles including showing me the latest emails coming in, playing a sound and changing icon when there is new mail and a few other things. I am using …

All, What is the most efficient way of writing several lines of data to a *.txt file? Currently, I store the required text in memory then write it all to a user-specified text file at the end, similar to the following; Dim text As String = "" text = text …

I'm trying to set up a timer that counts up to ten and starts/resets when the left mouse button is clicked (anywhere on the screen even when the application is in the background). I'm struggling to find a code that suggests it is possible and now I am starting to …

if (listBox1.GetSelected(0)) { richTextBox1.AppendText(Environment.NewLine + "upgrade cottage" + listBox2.SelectedItem); } WHen this code is executed, it prints into the richTextBox1 the words upgrade cottage + the selection of listbox 2, I was wondering how do I put a space between the two?

I am trying to write a code that checks if password is pass with the use of functions...but i am not able to ....Please help me i am a beginner....and i need this program to be written strictly using functions....thsnk u in advance

i am developing a project in c++ and i need database to save details.i googled but so far have bot come across a good tutorial for c++ database . most of the articles i have found are obsolete. please suggest what are APIs for database in c++?

Ok i have a daily csv file that i am trying to get python to post to my database every day. I have used curl befor to post it but i want to set python up so that it post it for me is there a way to do this …

Hello everyone, I am writing a Java program to reset LDAP account password. I know the password should be quoted passwrod and then encoded in UTF-16. I have a question, if someone can confirm please. I am getting encoded password as follow: String oldPassword = "Password1234"; String newPassword = "Password9999"; …

how i can import data from access database to my database in sql server , with a check for ducplicate each time i move data i need the code in vb.net any help ?

roblem Minesweeper is a computer game that became popular in the 1980s, and is still included in some versions of the Microsoft Windows operating system. This problem has a similar idea, but it does not assume you have played Minesweeper. In this problem, you are playing a game on a …

Hi just starting learning java jdbc .. i have this error: Type mismatch: cannot convert from int to Object **tempRow = new Object[]{rows.getInt(1), rows.getString(2), rows.getString(3), rows.getDouble(4), rows.getString(5), rows.getInt(6), rows.getDouble(7),rows.getString(8)}; **

I want to print byte array using print() in javascript. Is there any way to implement this..?

[code] Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click connetionString = ("server=192.9.200.82;database=eKalyan;user id=invite;password=invite") MessageBox.Show("connection established") sql = ("select newuniqueid,newteh_code,newpcate_cd,newplano, pen_nm,rel_cd,pen_fnm,ccate_cd,pan_code,pvillage,ppo_cd,spo_cd,start_qtr,last_qtr,bundle_typ,bundle_no,mo_srno,pen_amt,pen_comm,status,operatorcode from ekalyan.welpen") cnn = New SqlConnection(connetionString) Try cnn.Open() cmdd = New SqlCommand(sql, cnn) cmdd.ExecuteNonQuery() cnn.Close() MsgBox(" ExecuteNonQuery in SqlCommand executed !!") Catch ex As Exception MsgBox("cannot …

Hi guys, i just faced a problem when trying to execute the following query.I searched for the exception on the internet and found that using a reserved keyword might raise this issue,and using brackets may solve this problem.But i use brackets all the time in my sql statements but still …

So I'm teaching myself Java. I'm creating a text based game. I have an if statement that i want to check users input so its like this: if(sc.next() = "help"){ System.out.println("info"); } else if(sc.next() = "item"){ System.out.println("info"); } Etc. But it wont work. What would be the proper way to …

Hi everyone, I'm new here and is in need of some help. I'm trying to complete my project, however I'm stuck at writing the data from the sql into the vb.net/asp.net gridview. Was never good at database to start with and I had never learnt how to query from VB.NET. …