Software Development Forum

[I]This is one idea for thread of some lessons learned with experience about asking wrong question and answers 'thinking out of box'. If there is need to have sticky, I suggest that this thread become sticky development thread and moderator can move the upvoted suggestions for next part in new …

Is there a way to add data into a RandomAccessFile using seek(long) without writing over the data at that position and beyond? For example: [code] public static void main(String[] args) throws Exception { RandomAccessFile raf = new RandomAccessFile("test.txt", "rw"); raf.writeBytes("Hello, World!"); seek(2); raf.writeBytes("Goodbye, World!"); raf.close(); } [/code] Using that the …

the aim of this programme is to create a .txt file (of which the name is specified by the user) of all the items in a certain directory (also specified by the user) the problem is about half way down, the 'mydir' bit [CODE] #include <iostream> #include <fstream> #include <string> …

Hi all, I'd appreciate some advice concerning the following issue. I have a situation with two very different ways to implement. Both are easy, but Im not sure of the pros and cons of each. Basically I am allowing users to message each other on a website, and so I …

[CODE] If count < max Then If Br.Checked = True Or AM.Checked = True Or LU.Checked = True Or PM.Checked = True Or SU.Checked = True Or EV.Checked = True Then 'Code End If End If [/CODE] is there a way i can put both if statements together like if …

I need to disconnect internet connection of a single system which I'm using now,connected in LAN. And I need to Connect again to the internet. How could i make this. I used [CODE]ReleaseDHCPLease [/CODE] and [CODE]RenewDHCPLease [/CODE] But it didn't work Help me

Hi I have two forms MainForm and DisplayForm. From MainForm i get the file name on button click and load the form in picturebox placed on display form... Can any one tell me how to do that??? Thanks in advance

I have a table that i'm trying to use as a template that I can then copy to a new page. i only got this much [CODE] Dim oWord As word.Application Dim oDoc As word.Document Dim oTable As word.Table FileCopy("C:/1535.doc", "C:/1535_1" & ".doc") oWord = New word.Application oDoc = oWord.Documents.Open("C:/1535_1" …

Hi everyone, I have this problem, I developed the program in C#(winform) in my computer, when I try to publish it and install in my computer, it works fine. But when other users with different computer install, the are receiving this error : unable to install or run the application. …

Hi all I am developing a form with a toggle button in the toolstrip ... i have given the property checkonclick to true and gave this coding in the click event.... I am loading a Groups (Usercontrol) in the MainPanel1 (panel).... It works for first time but does not work …

Hi All i am filling dataadapter by using query which contains joins Means Retraive data from Multiple Table and fill that data into datatable code shows as follows [CODE]_problemAdapter = new MySqlDataAdapter("SELECT xr.ID,vw.ID view_ID, vw.DX, vw.DisplayName, xr.Active,xr.Preferred FROM vw_Dignosis vw LEFT JOIN diagnosisXref xr ON vw.ID=xr.View_ID ORDER BY vw.DX;", SupraClasses.SupraConnection.Instance); …

I have another problem... Let's start with said code: [code] #include <iostream> #include <fstream> //I have tried using fstream.h like my teacher instructs me to do/ #include <cstdlib> //but it gives me another error: see below, in actual post. using std::cout; using std::cin; using std::ios; using std::endl; //using namespace std; …

Platform and Python installation info: [b]Platforms: Windows, OS X Python: Active State Python 2.7 wxPython: Version 2.9[/b] Here is a sample code in which I use a wxMessageBox: [code]import wx,os class Frame(wx.Frame): def __init__(self, parent, id, title): wx.Frame.__init__(self, parent, id, title, size=(100, 100),style=wx.MINIMIZE_BOX | wx.SYSTEM_MENU | wx.CAPTION | wx.CLOSE_BOX | …

Hi! On school we got exercise to calculate how much the length of substance grow when we know original length and temperature change. So,the case goes that i have value temperature coefficient of different substances and i have to multiply them. I'd like to it without doing several condition statements. …

For some reason, I can create temp files but I cannot write to them. Nothing is saved, and the file is always empty. What am I doing wrong? I've tried making it in /tmp, Ive specified mode=w+b, they all do the same. (nothing) [CODE] import tempfile def main(): test = …

I seem to have a problem refreshing the data within my JTable. I know the code is being run through. I have a JTable which is populated from a selection in a combo box, on first click within the combo box the table displays the correct data. So basically the …

Hey, ive got a problem. i cant seem to get Playsound() to work. Ive searched google, and alot of people say to go to properties - all configurations - linker - and add winmm.lib to the additional dependencies to link it. ok, so i did that, have included mmsystem.h, but …

hello, can someone explain me how this printf inside the function works? [CODE] #include<stdio.h> #define SIZE 10 void function(int [],int); int main() { int a[SIZE]={32,27,64,18,95,14,90,70,60,37}; function(a,SIZE); return 0; } void function(int b[],int size) { if(size>0){ function(&b[1],size-1); printf("%d ",b[0]); } } [/CODE]

Hi guys: I created this code to read two file get their input and post certain output. My problem is that C++ is sorting out my output from smaller to greater. Is there a way that I can get c++ not to sort out the output. Thanks: Gus Here is …

I have a problem with this construction, can not find how to rewrite it properly. [CODE] private SqlParameter op <T> (T? t, string name) { SqlParameter sp = new SqlParameter(); sp.IsNullable = true; sp.ParameterName = name; sp.Value = t.HasValue ? t.Value : Convert.DBNull; return sp; } [/CODE]

I am reading a Python book for Pyton 2.5 (But I am doing Python 3). I am at the chapter classes and I got this part; "You can check whenever the function attribute was callable." [CODE]callable(tc,'talk',None)[/CODE] In Python3 we do not have callable anymore, so I checked on the internet, …

Environment: MS Visual Studio 2008. (Please transfer this thread to where it belongs.) Project type: Windows Forms Control Library. Goal: Get the pixel color from a given process' main window. Already achieved: I got the desired process's pointer by using [code]cli::array<Process ^>^ Proc = System::Diagnostics::Process::GetProcessesByName("Notepad");[/code] I believe I got the …

I'm trying to make a class called "Sprite", which is supposed to handle spritecards and such. However, I can't seem to be able to get the image height without having an image observer object. Do I have to pass the image observer from the main class to every sprite class …

Hey Guys, Ive made a settings form for my latest StopWatch project. The stopwatch also includes a countdown timer. To set the time to countdown from, ive made a settings form in which you can enter a value into a textbox and when you start the countdown, it reads the …

hi all i have list like list1=[2,3,4] m = 'ma' [B]m = list1 * m[/B] wen i run the script i'm getting output like [B]TypeError: can't multiply sequence by non-int[/B] i need a output like [B][ma2,ma3,ma4][/B] so plzzzzz help me:(

Hey all, I am working on a calculator program and am using a StringVar() for the Entry widget. What I need is to delete the last char from the StringVar() when the user hits the 'Backspace' button. I have everything bound and all, I just don't know what the code …

[CODE]if ( initialize == "off" && Iminor > 20 || Imedium > 10 || Isevere > 5 || Ifatal > 0 )[/CODE] the string type 'initialize' is cout'ing "on" and all of the values right of the AND operator are TRUE. Why is the subsequent code block for the if …

I have a finished program that I want to deploy to another computer. My professors told me an installer is required, so I tried my best to research, and came up with this: [URL="http://www.youtube.com/watch?v=Lcue0jo41AM"]http://www.youtube.com/watch?v=Lcue0jo41AM[/URL] That was a tutorial video, (he used Visual Studio 2008) and I tried to follow it …

that code that i have problem with it is only accept 2 input from me y and how to solve it please Scanner keyboard = new Scanner(System.in); String IP = keyboard.nextLine(); String TTL = keyboard.nextLine(); Scanner kb = new Scanner(System.in); String conntype = kb.nextLine(); thanks in advance

Where are the connections stored, are they in a list, how to I access them? I have a (-messy-) program that will allow the users to set there name and when they send input to the server it will come up with "Received: Blah from username" but I would like …

[CODE]int thetime = time(NULL); string in; stringstream out; out << thetime; in = out.str();[/CODE] that's my code for casting an integer into a string, but im having a little trouble reversing it to change a string into an int. :/ can anybody help me out? you have to include the …

Hi, i am here to ask some button control problem in Visual studio: [CODE] private void button1_Click(object sender, EventArgs e) { Report newMDIChild = new Report(); // Set the parent form of the child window. newMDIChild.MdiParent = this; // Display the new form. newMDIChild.Show(); } [/CODE] In my program, when …

Hello Sir, I want to perform following action please help!!!!!!!!!! when i click on a item in a listview it would also show in a separate label..... i didn't know how to do this????? please help.

My question is a simple one how do I bind a passwordBox defined in code ie: [CODE] public PasswordBox Password { get { return m_pwd; } } [/CODE] to a contentpresenter in wpf considering that the datacontext of the usercontrol is already set to the .cs file that contains the …

[CODE]/*********************************************************************************** * * File: Customer.java * * Author: Austin Smith * * Date: 04/04/2011 * * Description: The Customer class handles all client information * such as name and address. * **********************************************************************************/ public class Customer { /*** Defaults/Constants ***/ public static final String DEFAULT_NAME = "ERROR: Invalid Name"; public static …

can someone show me the syntax for inserting Number literals and strings into python strings like the print statement for example(i.e print("string %s"),(SumNum)) .. I have forgotten. and could someone explain the difference between syntax and semantics to me , i have forgotten that also XD

I decided to post this problem in a new thread. I have a simple program in OpenGL and it doesn't work. What happens is that a transparent window forms and when you hit the 'X' it says that the Release of the Device Context and Rendering Context failed. Here is …

Hey, ive got two string types [CODE] string string1 = '1'; string string2 = '2'; string string3 = string1 + string2; [/CODE] Ok, ive simplified my code. I would like string3 to equal '3', and not '12'. I dont know anything about casting. Please dont tell me to use an …

Hello, and greetings to those I may be speaking with in this thread over time. I present to you a problem, rather fringed and minimal and troublesome. First, I'll start by saying that I don't really consider myself a programmer so much as I do an enthusiast who now, suddenly, …

I'm just starting a search for a library or code sample for grouping numbers together based on their distance from one another. For instance, in the set{1,2,4,25,28,29}, is there an algorithm that would identify two groups of numbers subsetA{1,2,4} and subsetB{25,28,29}? Nothing really came up in my google search, but …

How do i find out the number, names and datatype of fields in an Access table.....using code.....

I have a user input an integer... But if it's really long, it throws an exception and starts looping infinitely. How would I make it cut the number after the first 7 digits and only use that? Like, if I inputted 654897654321648435435135813513843513543514, it would only accept 6548976. Please help.

I've trawled the internet searchiing for an explaination on how to do this. I'm working on an assignment and we are told to "transmit a whole object to the server". As far as I know, the send function of winsock2 only allows you to send data of type char, so …

hi all, i had a problem with displaying the data in textbox. My code is here [CODE] string note = "SELECT Notes,NDate FROM Ticket_Notes WHERE TicketNo ='" + tktno.Text + "' "; SqlCommand cmd3 = new SqlCommand(note, con); SqlDataReader id = cmd3.ExecuteReader(); while (id.Read()) { dnotes = id.GetValue(0).ToString(); ndate = …

hi the code which i use to export a data table to excel works fine..... but when i open the excel file it gives me the following warning THE FILE YOU ARE TRYING TO OPEN IS IN A DIFFERENT FORMAT THAN SPECIFIED BY THE EXTENSION. VERIFY THAT THE FILE IS …

Hi, I want to do something like this: I have two lists: list1 = range(6) list2 = range(10,15) i want a dictionary like this: adict ={0:10, 1:11, 2:12, 3:13, 4:14, 5:15 } I did the following: [CODE]list1 = range(6) list2 = range(10,15) adict = dict(zip(list1,list2))[/CODE] i get : [B]TypeError: list …

Hello, I am working as a software tester in Software Quality Assurance department in small company. And what I want to do is design a tool or application to test the performance of any software. Basically I want to create an application that I can use while I am doing …

Hi all, I have a problem while deleting xml File. In detail i have generated xml file with encrypted format. now when i am importing this file with decryption all data read and inserted to database using dataset. Record inserted successfully but when all process completed i want to delete …

When I declare my variables, should be it be like [B]int delay = 0[/B] then initialize to [B]int delay = 0[/B] or [B]int delay[/B] then initialize to [B]int delay = 0[/B]? I'm a bit confused about initializing my variables... [CODE]void calc_pipe() { /* Declare local vars */ int i; int …

I have had an issue with getline(cin,string) in several of my programs. The program does not allow the user to input information after the cout statement preceding getline(cin,string). Below is an example code of the issue I am having(Btw I am using code::blocks with GNU compiler): [CODE]#include <iostream> #include <cstring> …