Software Development Forum

I've got a project to design a chat client in java applets....I've got a way around to implement it but that may be bit an inefficient I've got a client code that communicates with a server program (both in java).Only one client can communicate with server that one time and …

How to make a custom application setting?I mean i want to serialize Hashtable but AFAIK that can't be done in Settings.Designer.cs and therefore must be done in separate class.But i don't know how to access the setting in that new class from other classes where i need to use the …

I just started learning about stl.... the problem is that 3 cases that i consider "equivelant", don't do the same thing...so the question is, why they are not equivalent? here are the statements: [CODE]cout<<(char)toupper(*pos)<<" "; //this works![/CODE][CODE]cout<<toupper(*pos)<<" "; //without cast it doesn't work, why?[/CODE][CODE]*pos=toupper(*pos); //and this also doesn't work cout<<*pos<<" …

I need help with this problem, ok so I am making a program for my brother that randomizes 2 things, a Number(1-6) and a Letter(A-E), I go for the randomize 2 numbers, one for the number, and one for the letter. So i was going very well, until I compile …

I began to learn about Python perhaps an hour or two ago. In a Python tutorial, I came across the below text (between lines of equal signs) regarding default function arguments. This makes no sense to me at all. What is the scope and lifetime of L? It appears that …

Hello, I am a newbie in Python and maybe this is a stupid question, but when I run this code I receive a very strange output. [code] status = 0 for i in range(10): status = status + 0.1 if status == 0.1: print status elif status == 0.2: print …

Hi everyone, I need to be able to run a Java application (not an applet) directly, that is not from an IDE or the command line. How can this be done for a Windows PC? I have seen many applications written in Java, but are executed just like other Windows …

uhmmm.. we have this project, we were told to make an [B]output[/B].. [B]"A multiplication table" [/B]I know that you guys don't don't give help if we don't give it a try. It's just that I don't know how to make one or even to start it. Can I just ask …

If there is a file created and stored in a class: [code] void setLogFile(File LogFile){ this.LogFile=LogFile; } File getLogFile(){ return LogFile; } [/code] and the FormattedWriter is created in another class and it's constructor calls super. Why won't this work? [code] FormattedWriter out = new FormattedWriter(new FileWriter(getLogFile(),true)); [/code]

Can any one help me in generating a billing report in java without using any reporting tool. I should get the header, footer and pagebreaks.If the billing takes two pages then header should cum in first page and footer in last page..please help me I would be favourable for u …

Greetings! I have database file with dateformat on a field. I want to view the data on files according to its date range using vb6. Like for example i want to view a file for starting date = 23/10/2007 upto 23/11/2007. Range of date is one month from starting date …

Hi, Im having a problem here. I have 3 classes/frames. After arriving at the 3rd frame, i want to get values entered in the 1st first frame. All the variables in the 1st class are declared as Private. In order for me to get this value from other class, i …

I was a little confused by the brief explanation that my Assembly teacher gave on pipelining. I don't think I really understand the process that well... 1) In a 4-stage non-pipelined processor, how many clock cycles does it take to execute 3 instructions? Assume each stage takes 1 clock cycle. …

Hi all... I would like to create dynamic graphs for my web app. financial project...the charts should be flexible and changeable according to financial data (ratios) retrieved from the database (all stored in a datagrid)...Any idea what i could use ??

Okay, so the premise is that this place contains items for sale, and has five of everything that it sells. The inventory is brought in from a file and with parallel arrays you set up the item names with the inventory in stock. I have that all down, but now …

Hey everyone. Noob poster here so bear with me. So the code below makes a drawing of a face move around the graphics window. However, the face is noseless. My dilema is that I absolutely can't figure out how to add a nose to the face and have it move …

i have written my homework problem but get 7 errors in it. the errors seem to be comming from this line as well as others like it. any help would be greatly appreciated. this is my first year doing this and is somewhat confusing. I need these lines to be …

Dynamic GUI Hello people... really I dont know if this is the correct name (Dynamic GUI) but I wanna ask u how to build dynamic JButtons .. 4 example : the number of the buttons in a frame not static ... (user enter it) at the begging and the buttons …

Can someone tell me what i'm doing wrong: [code]#include "stdafx.h" #include <iostream> #include <iomanip> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { const int MAXGRADES = 5; int i, grade[MAXGRADES]= {0}, count = 0; double Avg, sum = 0; for (i=0; i < MAXGRADES; i++, count++) { cout << …

Having some trouble with my number guessing game. The object is that the user thinks of a number between 1 and 100 and the computer tries to guess it in a set number of tries. The user inputs an "l" or an "h" if the guess is too low or …

i dont understand what the function "flush" does please answer and one more, is there a way that we output a set of data only after a certain while in program execution without storing it in a file and again printing it after reading from that file eg.... i declared …

I am creating a check register for class. We are working on functions - pass by value and pass by reference. I have created all my functions and they seem to be working. However; there is a problem with my currentBal calcuation. When you have an inital transaction the transAmt …

Hi All, I am trying to parse an xml file. Not using any of the regex or parsers, simply using only java code. Any suggestions? Thanks

can anyone do recursive binary search using a single argument

I want to retrive data for this path which i can do, but the problem is I want the lastpart i.e. 1378 to increase by one every time "http://www.cric8.com/livescorecard/od_minicard2_1378.html" How can I do that in [COLOR="Red"][B]VB.NET2003???[/B][/COLOR]

can any one help me out. When I take a print,the path of the document is printin at the bootom of the page.Can anyone say how to remoe it while printing It is printing as file://C:\Documents and Setting\administrator\etc... But, I don't want to print the 1. link path ex. file://C:\Documents …

i need help with this assignment i have this class and i need to implement the functions and the main i've implemented it but i want to check if its right and i have a problem in writing the main [code]#ifndef #define class GBook { public: GBook(); void inputGrades(); void …

How do I "pad" my input to a certain number of bits, say 111 bits more than the original input? Any ideas?

I have downloaded the source code for the .AVI format but when I compile the project, an error is reported which when simplified, is "[Build Error] *** multiple target patterns.". Also, the line which gets highlighted by due to the error is the line 25 which has the phrase "$(BIN): …

hello every1, really i need help on how i can make a login form that works and is connected to my database using ADO my frmlogin is composed of 2 textbox (txtuser,txtpass) and 2 command buttons (cmdlogin,cmdcancel) and my database name is (MAINDB2) inside MAINDB2 is (tblReg) fields inside tblReg …

I'm a new user to Visual Studio .Net, writing most of my projects in C++. I have this problem with the OO paradigm when I tried to apply it to my projects. Variables for classes which I described in eg. dXmanager.h fails to appear in my dXmanager.cpp; when I try …

Please send a sollution to this . I have a csv file named file.csv. I need to read that using array and then sort them based on the column. please can you help in the sorting technique.

again im in need of help =( how can i show a random cell in a field on a textbox?? suppose my database(access2003, and using ADO) is -->MAINDB-->tblQuiz-->the field inside is "Question" and my form have 3 textbox.. when i run it, how can it display a random data from …

hi guys i need ur help to do my homework i have this question Write a program that helps students to learn multiplication. Use rand to produce two positive one-digit integer. It should then type a question such as How much is 6 times 7? The student type the answer. …

I just started c++ and programming and need some major help. I am trying to convert binary to decimal. I have searched through everything and its all to hard for me to understand,and uses terms ive never seen. I need to convert the binary to dec, using % and / …

Hi all, I am good in Java.But I dont have any idea about PHP. With this matter in mind please suggest me which to choose(PHP or JSP) to create my own forum. (coding my own forum..not using exixting freeware forum).... What are the pros and cons of using JSP.(I dont …

am still hoping on some thing, the reason for the project password authentication without data base is to circumvent the security issue of password verifier being stolen on the server which can still make the adversary to implicate a rightful user i have an idea but the only problem i …

I am creating a program that will convert seconds into hrs mins and the remainding seconds. I've got the hours part down but for minutes im trying to use the remainder funtion. [code=cplusplus] #include <cstdlib> #include <iostream> using namespace std; int main() { int secns, mins, hrs, convs, sec, sph, …

Would anyone be able to help me get started on writing a program to implement a page-replacement algorithm suchs as FIFO?

Hey guys, i need some help with 2 programs that my teacher assigned me.. I just cant seem to figure them out. I'll type out what the program is, but I really dont have much code to show since I dont really know how to even get started so any …

Hi Experts! i need some help now i have written a code but my output is not correct its reading everything from text file but not computing it correctly,,,pls pls help. here's my code.... #include <iostream> #include <iomanip> #include <stack> #include <fstream> #include <string> using namespace std; using std::string; using …

Hi, I'm a beginner, so please forgive my inadequate knowledge. I'm am trying to write a program that searches one file for specific words and their replacements found in another file. As of yet, all I have is a program that opens my files and counts the words in them. …

hey, i've been doing c++ for uni for a few months and have got an assignment which is giving me some problems... i have to use data from a txt file, import it into c++, perform calculations with it, then produce an output file which is to be made into …

Hi guys, how are you? I need your help in a tic tac game, I have created a program that asks a user to specify first the index whether [0][0],[2][1],[2][2],etc..and to enter the char letter either 'x' or 'o' but I don't know where is the wrong? can any any …

Hi all, I have a console application, and I want to run it though a GUI. Its a simple GUI. Say there is a button called "Run", when I click the button need to execute the application do the task. Can you guys guide me to do it. I'm really …

I have a Dialog window with a [INLINECODE]Button ko[/INLINECODE] and a [INLINECODE]JLabel l[/INLINECODE]. The button`s label refreshes at 1000ms from 5 to 1. There are 2 problems: the [INLINECODE]JLabel l[/INLINECODE] it`s not displayed before the counter starts, it`s displayed after that, and the button doesn`t work during the countdown, if …

Hi all, I have written a query like this. [code] $dbh= DBI->connect("dbi:mysql:dbname=$database;host=$hostname", "$username", "$password"); $statement = "SELECT patient_intime from $table_name where patient_intime=$ARGV[0])"; [/code] I want all the "patient_intime" values to be retreived, where there are other columns(fields) also. Pls suggest me how to proceed. Thanks in advance. Padmaja T N.

Iam after doing this program and it isnt working properly , it should give an output like january 1, 1900 february 8, 1985// random number january 1, 1900 may 25 , 1913 // random number january 1, 1900 august 6 , 1912 // random number [code] #include <iostream> using std::cout; …

Hi, I'm having problem reading a sequential file, I have done some searches all without any positive result. I trying to read a sequential file, but the problem is that the last record is read doubly. Any help would be appreciate. [CODE]#include <iostream> #include <fstream> #include <string> #include <iomanip> using …

Hello thar, I'm working on a problem that needs to input data into a list in sorted order. So far I'm getting some output, but it ignores some of my inserts, (ie "Hammy" in this case) and the output is not sorted. I've looked at this for a while but …