Software Development Forum

Following is my program i need to add scroll to jframe and I have paint method in it package other; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Container; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.ScrollPane; import java.awt.Stroke; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.geom.Line2D; import javax.swing.*; public class MainDrawCycle extends JPanel implements ActionListener { …

Hi guys , so I just started learning C++ so I am trying to do something but id does not turn out quite how I want it to be. So my idea is to create a text game and I'm at the very beggining and I have a lot of …

In the past couple of days, I've been practicing with JavaFX and I made myself an app, which I am planning to use in the future. It is supposed to keep track of web pages and the passwords I use for them, usernames as well of course. The program itself …

Please before you answer NOTE , I am not trying to implement a keylogger, this is just a QUESTION. So, It just randomly happened that I started thinking about this and I figured that in java if you want to have a keyEventListener the key should be entered in a …

Hello gentelemen, I'm sure many of you are experiencing what I am experiencing right now. I'm halfway into Christmas break, back at my parents', with the paperbacks I brought along depleted, the roguelike I downloaded unable to start after an OS upgrade and literally nothing else to do for the …

I want to split sentence that has + I code this: String[]s; String a; s=a.split("+"); but it throw this exeption: Exception in thread "main" java.util.regex.PatternSyntaxException: Dangling meta character '+' near index 0 what should I do?? thanks

What is the difference between Static Variable and Ordinary Variable?Which Variable is expensive to use in c++ programming?Give some resion?

I am currently trying out a code to generate image from html pages and i was trying with the code from [bitmap webbrowser](http://www.charith.gunasekara.web-sphere.co.uk/2010/09/how-to-convert-html-page-to-image-using.html). some how i just keep on getting error when the following method run for second times (i guess the threading is the main issue). i am using …

I am trying to do a search for sub-folders in a directory that conaint numbers. The format could be a date range for example: 1-1, 01-1, 1-01, 01-01. The first number will only go up to 12 and the second one will go as high as 31 and im trying …

Is it just me or is Delphi not so popular when it comes to programming laungages?

I am looking to do exactly what the title states. I have a radio field that i would like to persist across a page refresh. The following is my code: <div id="RadioFields"> <input type="radio" name="country" value="usa" id="usa" />USA <input type="radio" name="country" value="foreign" id="foreign" />Foreign Country <div id="countryerror"> <div class="asterisk" runat="server"> …

I'm having trouble getting the Cards off the table in this card game I'm working on. The cards are JLabels that hold images of the cards. These JLabels are created dynamically into a JLayeredPane. I have created some variables to hold the info I believe I need in order to …

I've added a splitContainer to my form but I can't figure out how to set the splitContainer.panel2 width and height? I have two panels: splitContainer.Panel1 and splitContainer.panel2. I have the splitContainer.Dock set to Left. When I try to set the splitContainer.panel2 width I get an error saying to set the …

I have an issue with accessing a table in my database after using the truncate command on it. Having to delete the whole database and recreate it not every time but often. The table is used to hold the index of a card and the card's value. This is the …

hi i am trying to automate one form in selenium using java code. the same codee working fine in firefox but getting error in IE. Started InternetExplorerDriver server (32-bit) 2.42.0.0 Listening on port 10840 Exception in thread "main" org.openqa.selenium.NoSuchElementException: Unable to find element with name == ImpersonateUserId (WARNING: The server …

here is my code for delete Private Sub Button4_Click(sender As Object, e As EventArgs) Handles Button4.Click If MsgBox("Are you sure you want to delete this item?", vbYesNo + vbQuestion, "Delete") = vbNo Then Else If Me.DataGridView1.Rows.Count > 0 Then If Me.DataGridView1.SelectedRows.Count > 0 Then Dim x As Integer = Me.DataGridView1.SelectedRows(0).Cells("FNo").Value …

Hi,can you explain the use of **for_each and lambda** in c++11.What are they for,how to use? I have seen a few examples but do not get the meaning.Thank you.

Hi everybody I am beginner developer and I was wondering if you store the algorithms lets say on paper or in the computer once you are done solving a problem or do you just wait if a similar problem and jump into solving it again? Thanks!

As I understand it, Fortran 2008 is the latest release? I have searched goolge but was un - able to find a Fortran compiler and tutorials Fortran 2008.

Hi Friends, I am using this code to upload image but it seems my call is not getting inside function. I put some echo commands for debugging. all I get output is after selecting file "hello entering function". but do not get other echo command print. Neither insert command is …

I have a Jframe that contains a JPanel which has a label that I use as a background image and a second JPanel that I want to add my controls into. I am attempting to add and position labels dynamically. I can add the labels but they all appear at …

Problem 1: You are given n you are required to print the following rhombus. Example: n=5 1 121 12321 1234321 123454321 1234321 12321 121 1 Problem 2: Max Subsequence sum using 3 nested for loops. (n^3) Max subsequence sum using 2 nested for loops. <-- Challenge (n^2) You shold print …

Hello Everyone, This question is quite hard for me to understand it. I have gone this further. your help will be appreciated. The program is used to calculate volumes of tanks. #include <stdio.h> #include <stdlib.h> #define PI 3.14152 /*Declare for storing the data of a cylindrical tank new structure type …

Hi i started the book c++ from ground up,but looks like it's too old.I came across the bonded array.Question- what are they,where to use them,how and are they still used in c++11? Thank you .

I'm trying to run a program with command line arguments. I keep getting the following error: This application has failed to start because libgcc_s_dw2-1-.dll was not found. Re-Installing the applicatiob may fix this problem. I have no clue what to do with this. The code works on the school computers …

I'm sure this question has been asked before, but I'm at a loss here. I've been attempting to get a piece of C++ code to work. It works perfectly on Windows AND Linux (Multiple distros tested on) however Mac is proving a pain. I'm executing a Jar from C++, and …

Hey all, I was wondering about this piece of code on how to make it simpler to find the needle in the haystack for example "abbaabbaabb", "abba" - the needle, "abba" is found 2 times in the haystack "abbaabbaabb". I have this code: unsigned int substringCount(const std::string& strng, const std::string& …

I am doing ex4 from the fundamentals of C#. But I cannot solve the problem. I am unable to slice the array correctly and instead just endup with System.int32[] Simply all I am supposed to do is find the maxmimal sequence of equal consecutive elements. I am trying to follow …

need help for my assignment im a IT student.

here is my code, it is very simple Me.Validate() Me.TableBindingSource.EndEdit() Me.TableTableAdapter.Update(Me.Database1DataSet.Table) MsgBox("Update successful!", MsgBoxStyle.OkOnly, "") Me.TableTableAdapter.Fill(Me.Database1DataSet.Table) Actually, I have been programming for a year or two three years ago but I stopped after my laptop was stolen and due to work. But now I I have a new laptop, and …

I have a small program that queries a database and retrieve some information about employees. The only problem I have is that when I search for the employee my program never finds any employee after the first employee. Here is my code: private void buttonSearch_Click(object sender, EventArgs e) { string …

Hi guys I have this problem where a certain cell will select a value from a table based on another cell (like an id or something). First I select some values to be put in Datagrid (a typical OleDBCommand) then add some more columns using Datagridview.Columns.Add. Here's the scenario I …

The containers SET/VECTOR/LIST/MAP are very similar in use,so how to choose which one to use? Is where any special cases? Thanks

I am using PrintWriter to write the input from the standard input to a file, here I am trying to create an ascii table in the text file, but there is no proper alignment of the table in the text file. Here is my code guys. package code.practise.MyIdeas; import java.io.FileNotFoundException; …

//Hi,can someone explain what is the difference of declaring the main in C++/C++11 //What is most common may to use or it's metter of personal choice? int main() { return 0; } /////////////////// int _tmain(int argc, _TCHAR* argv[]) { return 0; } /////////////////// int main( int argc, char ** argv …

So I've built a Queue data sructure(all the needed methods) and I just wanted to know how can I use my Queue objects in different project ?

**note:** This was also posted to the [comp.lang.scheme](https://groups.google.com/forum/#!forum/comp.lang.scheme) earlier today. I normally wouldn't cross-post, but after I noticed the extremely low traffic on the newsgroup, I decided to try a more active, if less specialized, forum. As part of a larger project, I am writing a macro that defines a …

#include<utility> #include<tuple> #include "stdafx.h" #include<string> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { pair<int, string>p(42, "forty-two"); cout << p.first << " " << p.second << endl; p = make_pair<int,string>(112,"one-one-two") ; cout << p.first << " " << p.second << endl; return 0; } // Can some one help to …

Hello programmers! I am working on a program that checks if a user's input is a palindrome (in this case, the input is a string). I am using a custom class template "stack", that is a constrained version of my custom class "List", which is a linked list class template. …

Can string be compared with == operator? I know that they can be compared using strcmp() function. But this snippet confused me a lot #include <stdio.h> #include <stdlib.h> int main() { char str1[]="Good Morning"; char str2[]="Good Morning"; if(str1 == str2) printf("Equal"); else printf("Not Equal"); return 0; } The output of …

i'm creating the form class. the form us showed and the window procedure works. the problem is that some messages(like WM_CREATE) aren't working. so how can i connect, correctly the form to window procedure?

i'm build a function for do the combination of keys(like the kombat games: we do some combination keys for do an actions): bool CombineKeys(std::vector<int> const keys) { static bool PreviousKeyPressed; static DWORD StartTimer = GetTickCount(); static int i=0; if((GetAsyncKeyState(keys[0]) & 0x8000) and PreviousKeyPressed==false) { i=0; SetWindowText(a,"hello"); PreviousKeyPressed=true; i++; } else …

Hi all Here is my snippet for(int i = 1;;i++){ System.out.println("Please enter the name:"); name = input.nextLine(); System.out.println("Please enter the email:"); email = input.nextLine(); if(!email.matches(EMAIL_PATTERN)){ System.out.println("Please enter a valid email.\nThe details are not saved please start from the beginning."); i--; // break; continue; } else { printwriter.println("|"+i+")\t|"+name+"\t|"+email+"\t|"); printwriter.println("+-----\t+-----\t+-----\t+"); } if(i>=1){ …

Hi all, I have a large txt file (3 Million lines). Like to use python , to parse the file , so it can be managed by excel. I am very new with Programming and python, like to learn it. Thanks for your support... input file format: .. ... ... …

I have a python code that reads a specific folder for specific files. Once it finds a file that matches the re.split peramiters that it is given it then writes the data to a csv file. The issue is that for every file that it loops through and writes it …

Hi there, I am having problem with deallocating string two-dimensional dynamic array. My program works fine but for some conditions such as when row size is greator than column size in 2d dynamic array, the program crashes when it goes into destructor. My program is as follows : #include <iostream> …

I am following [this](http://code.makery.ch/java/javafx-2-tutorial-part1/) tutorial to get into JavaFX using scene builder and so far I really like it as the person who made it explains things in deep detail. I finished the first part and tried executing the code so far, but it returns multiple errors. Here is more …

SYSTEM: Windows 8.1 Tablet, VS 2012 OLD SYSTEM: Windows 7, VS 2013 Enterprise (thanks to my employer) Something is wrong. I never had any errors on my old system. On my new system, I'm getting the following: An unhandled exception of type 'System.Exception' occurred in Microsoft.VisualBasic.dll Additional information: Cannot create …

Hi Team, I am beginner in Java. I am trying to prepare report using Java,the code will generate a Microsoft Word Document and add some text and images in it. I am using Apache POI for this.I am able to create and add text in the doc file and the …

Hi, this program of mine can plot timestamp & irradiance but how can i plot another line of data for temperature? This is my txt data: TimeStamp,Irradiance,Temperature 21/7/2014 0:00,0.66,26.2 21/7/2014 0:00,0.71,23.4 21/7/2014 0:00,0.65,25.4 21/7/2014 0:00,0.67,25.3 21/7/2014 0:01,0.58,30.5 21/7/2014 0:01,0.54,26.7 21/7/2014 0:01,0.63,25.5 21/7/2014 0:01,0.65,26.9 21/7/2014 0:02,0.64,22.2 and this is a snippet …