Software Development Forum

hi ^_^ I want to ask what is the difference between (System.out.println(B);) and (System.out.println(new string(B));) ?! actually it gives me the same output in my code! so then >>what is the use of [new string(array)] in general ??? thank U :))) public class CopyArray { public static void main(String[] args) …

Hi, I have two dictionaries and what I would like to do is to search if an item from dict1 is present at least 3 times in dict2. If so, do something. At the moment, I have something like this for line2 in list2: to_find=line2[3]+line2[4] if to_find in dic1: new_string=((" …

Private Sub LVlist_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LVlist.SelectedIndexChanged If LVlist.SelectedItems.Count > 0 Then With LVlist.SelectedItems(0) VarIdentifier = .SubItems(0).Text lblname.Text = .SubItems(0).Text End With pix() End If end sub Sub pix() sql = "select pic from tbldishlist where nod = '" & lblname.Text & "'" Dim acscmd …

#include<stdio.h> int factorial (int); void main() { int a,fact; printf("\nEnter a value:"); scanf("%d", &a); fact= factorial(a); printf("Factorial value=%d", fact); } int factorial (int x) { int f=1,i; for(i=x;i>=1;i--) f=f*i; return(f); } Enter any number: 3 Factorial value = 6 But i did not undartand this program. Mostly in the loop …

Hi, I'm considering writing a java applet that has a chess board and lets people solve puzzles. There are chess engines that are free that could be the AI to play against and they come in executable files (console apps) compiled for both Mac and Windows. Now i have a …

Hi insert command works update does not do anything any help Please SqlTimes.InsertCommand = "insert into athletedata([Athlete],[Mydate],[session],[mytime]) values ('" & athletename & "','" & storedate & "','" & todaysession1 & "','" & savetim1 & "') " SqlTimes.Insert() SqlTimes.UpdateCommand = "UPDATE Members SET [Agegrade]=('" & savetim1 & "'where [Fullname]='" & athletename …

if I have something like the following file = open(filename, 'rb') for line in file: #do stuff Once I find what I'm looking for in file and it's placed in the line variable, how could I then capture that position withing file, not just line?

heya anyone can help me with the pascal triangle program in c++??

So far I have this but I need to use switch statements to make age< certain numbers for each age group. #include <iostream> #include <iomanip> #include <string> using namespace std; const float CHILDREN_MALE=50.00; const float CHILDREN_FEMALE=55.00; const float TEENAGERS_MALE=150.00; const float TEENAGERS_FEMALE=155.00; const float ADULTS_MALE=275.00; const float ADULTS_FEMALE=250.00; int main() …

I need to appned .txt to user input,like course and put in to the file,looks like i managed to do it ,but in second part need arraylist and insert into it subjects and then right to the text file and ouput/display. For some reason the 'exit' is diplayed too and …

basically i m creating vb.net window application which can show the result in rdlc report... at the back end it is SQL server 2008. Is there any easy way to fill RDLC tablix based on row and column grouping. The situation is as follows. I have a table in SQL …

Dear all i need help with listview . i have 5 columns and i have 4 menustrips. i want something like below If ListView1.SelectedItems(0).SubItems(0).Text = "Advance" Then t2.Enabled = False t3.Enabled = False t4.Enabled = False ElseIf ListView1.SelectedItems(0).SubItems(0).Text = "Access" Then t1.Enabled = False t3.Enabled = False t4.Enabled = False …

#include<iostream.h> #include<conio.h> #include<string .h> int count=0; class record { private: char name[20] int age; int id; char sex; public: void addrecord(); void display(); int getid(); void editrecor(); viod search(); void delet(); }

Hi, is that possible Tkinter to play a video? And if not possible so what GUI programming that you can recomended? I already search in google, find a few but there's dead link.. I need to show 2 windows, first the original video, and the second is video after processing

Good day! I just need a little help on how to get the last months date (dd/mm/yyyy) between two dates? I have two date pickers(fromdate & todate). Ex. If fromdate is 24/01/2015 and todate is 24/12/2015, it should enumerate the end of the months starting fromdate to todate. So the …

The total bill doesn't add up correctly, don't get where I went wrong? Total bill is way off. #include <iostream> #include<cmath> #include <iomanip> #include <string> using namespace std; const float Small = 1.20; const float Medium = 1.50; const float Large = 1.70; const float less_inches = 3.75; const float …

I have a set of 2 ComboBoxes i would like to make Combobox 2 not populate from the directory if Combobox1 has a certain character in the file that is highlighted. If at all posible id like to find a way to have it continully search for the specific set …

I have a gridview that is being populated from a dataset which is a table returned from a stored procedure. However now the stored procedure has changed and it returns 2 tables, the first returns the column headers as well as labels and other info, the second is the table …

the RegisterHotKey() is limited? everytime that i create a button control the RegisterHotKey() id isn't the same. //on constructor: ++ButtonCount; altmessage=ButtonCount; now the hotkey message: case WM_HOTKEY: { if (wParam==inst->altmessage) { SendMessage(inst->hwnd,WM_COMMAND,BN_CLICKED,lParam); } } break; and now how i regist the hot key: case WM_DRAWITEM: { DRAWITEMSTRUCT *test=(DRAWITEMSTRUCT*) lParam; UnregisterHotKey(inst->hwnd,inst->altmessage); …

I have a few questions about libraries and header files. Since libraries are binary files and header file are source/text files why do they not just compile the header files along with the rest of the library files? It doesn't make sense to me to have libraries that are binary …

I am missing something in my check sub class and I can't figure it out I know its something simple and I for the life of me can not find it. package lab61; public class AccountClass { public double annualInterestRate; public double balance; public int Id; public java.util.Date dateCreated= new …

whenever i click form10 then this error come. Warning 1 Value cannot be null. Parameter name: objectType 0 0 Instances of this error (1) 1. Hide Call Stack at System.ComponentModel.TypeDescriptor.TypeDescriptionNode.GetRuntimeType(Type objectType) at System.ComponentModel.TypeDescriptionProvider.GetRuntimeType(Type reflectionType) at Microsoft.VisualStudio.Design.MultiTargetingContextProvider.GetRuntimeType(Type objectType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetFieldType(String fieldName, Type documentBaseType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetReferencedComponentType(String componentName, CodeTypeDeclaration codeTypeDecl, ITypeResolutionService loader, IDictionary& …

how to export data in listview to excel without using spire.dataexport

Hello I've posted a few days ago how to get my data in a SQL database and show it in a datagridview. I found out how to do this rather quickly however I've been asked if I can add a button to my form and be able to print my …

I wonder why this program does not do any changes to the text file that I am trying to modify. Scenario: My program uses the Fstream header file, I declared infile as IFSTREAM and outfile as OFSTREAM. I simply want to transfer data from infile to outfile. The data is …

I want display window form when user double click node in treeview.

everything is working fine except Encryption button. import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; public class encryption extends JPanel implements ActionListener { char [] str= {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z' }; char [] str1={'1','2','3','4','5','6','7','8','9','0','!','@','#','$','%','^','&','*','(','_','_','+','=',',','.','?'}; char [] a= new char [50]; char [] b= new char …

How will I create a program that compute your final grade and file which contain prelim, midterm, pre final and final grade.Create another file that contain weight for each term.(prelim=20%, midterm=20%, prefinal=20% and final=40%)

If I have an array >>> a=np.array([[1,2,1],[3,4,2],[6,5,3],[7,8,4]]) >>> a array([[1, 2, 1], [3, 4, 2], [6, 5, 3], [7, 8, 4]]) and I want to find if first column which have value=6 and if second column have value=5 using "IF" "ELSE" I try with: b=6 c=5 if (b in a[:,0]) …

Not sure why it's not letting me choose the operation I want where I put "Enter an operation symbol..", I'm supposed to use switch statements to compute functions. #include <iostream> #include<cmath> #include <iomanip> #include <string> using namespace std; int main() { int type; int a, b, c, d; char op; …

I am doing my homework and am having trouble on a certain problem. [I]4) A certain CS professor gives 100-point exams that are graded on the scale 90-100:A, 80-89:B, 70-79:C, 60-69:'D, <60:F. Write a program that accepts an exam score as input and prints out the corresponding grade.[/I] We have …

i am getting this error when trying to run projects 'javac' is not recognized as an internal or external command, operable program or batch file how can i fix this

Hi everyone, I am having trouble comprehending or digesting the programming mentality. I'm learning Python and while I completely understand the syntax as well as the language itself, my problem is more toward the comprehension of thinking like a programmer. For example, once a programming exercise is explained, it all …

Hi, I am Populating a combobox from a directory but im wanting to filter some file names from showing in a specific Combobox. Im a newb at this VB stuff and could use the help! Here's the code im using to pull the filenames from my C:\ drive but i …

I'm having a problem appending `std::wstring` to my Win32 edit. It compiles without errors, but the displayed text is not what was originally in the `std::wstring`. Is there a better way to do what I'm doing(below), or should I use the RichEdit(last resort option). My appendTextToEdit function below is self-explanatory, …

I am trying to get my database data in particular variable. my database handling class and i am trying to store data in currunt form class var list = x.Rows(); if (list.Count != 0) { Object[] ar = new Object[4]; //Object[] ar = list[0]; list.CopyTo(ar, 0); var quntity1 = (int) …

Hi, I am working on a GUI (more correctly, trying to), but I just don't really get it to work the way I want. The idea is to have a first list, where the user chooses one of the choices. Then depending on that choice, a new window pops out …

Hello I have a project where I have 2 textboxes called "Name program" and "Error" where I have to write data in, Once I have wrote the data I have to import these 2 textboxes into an SQL database so it has to show like this in the database: Name …

/*can you help me with this this is double linked list that helps you to sort integer value in increasing order I hope I will get answer thank you*/ #include<iostream> using namespace std; struct Node int data; Node *next; Node *prev; }*head,*tail; void main() { head = NULL; int n; …

I am new to Java language. I have been taken some personal tutorials, reading on my own and practicing by writing and solving exercise in the book I am using. Below is an exercise I am trying to solve. Question. (Find the Smallest Value) Write an application that finds the …

Can anyone help me how to pick all the files(many files) of some particular extention(.csv) and transferring it to remote server using Jsch channel. Please help. Regards

Hi, I just wanted to know about instance method? If static modifier is not applied before does it makes it an instance method ? Plz give an example Thanku

I am trying to make a program for my AP Computer Science A Class. I wrote the following code that is supposed to allow a user to enter two numbers and then have them guess a number inbetween that number range. So far, it works 90% of the time, but …

hi, i am trying to print report by ceating excel file and print. but getting below error when creating sheet2. osheet = obook.Worksheets("Sheet2") Invalid index. (Exception from HRESULT: 0x8002000B (DISP_E_BADINDEX) worksheet1 works fine. I have Excel 2013 installed on my system. what could be the problem. Thanks

I'm writing a routine where the user can populate up to 8 textboxes with numbers. Since there is potential for these numbers to be unsorted, I want to sort these prior to saving. However it's probable that all of the textboxes will not be used. My challenge then is how …

Trying to change this C++ to Java //The following pseudocode describes how to extract the dollars and cents from a //price given as a floating - point value.For example, a price 2.95 yields values 2 and 95 //for the dollars and cents. //Assign the price to an integer variable dollars. …

I need to get the size of a file, but I keep on getting 0 as the size, which is not the actual size. private void dodAlgorithm() throws IOException { int count; int randomValue; long fileSize; File file = new File(filename); BufferedWriter writer = new BufferedWriter(new FileWriter(file)); SecureRandom random = …

Hello, Please forgive me, I am a newbie for programming in C#. I have some experience in VB. I am trying to convert my picture box that I am able to load a picture in, but I would like to convert it to binary then save it to SQL. I …

i'm trying overload the != and == operators, but i'm getting several errors :( bool operator==(const image &other) const { if(other.btBitmap==*this->btBitmap) return true; else return false; } bool operator!=(const image &other) const { return !(*this == other); } what i'm doing wrong?

I have taken an introduction course in C++ programming and I'm now looking for some C++ code example's which I could study before the course final test. I will try to follow the rule: If you would like to be an good authour, read a lot of books by excellent …