Software Development Forum

I have this problem that I can't figure out, I can't figure out the line statement that needs to go in. Here's the problem [code=c] struct NodeType { int data; NodeType* p; }; NodeType* p; NodeType* q; p = new NodeType; p->data = 18; q = new NodeType; q->data = …

The API says that the implementation of BlockingQueue are thread safe, but about the drainTo method, it says : [QUOTE]"This operation may be more efficient than repeatedly polling this queue. A failure encountered while attempting to add elements to collection c may result in elements being in neither, either or …

I'm writing a script that will search files that contain certain keywords, and then output the line to a text file. The problem I'm having is that the script is opening every type of file, including executables. The script seems to work fine, as in it doesn't crash when it …

hi everyone i made crystal report then i saved it as a word document but i passed parameters to that report then an error occured after that the error is:- missing parameter values ok i tried to save it with 2 different codes but th same error shows up the …

I have a form (Delphi 2010) that includes several data controls, including a DBImage. All these are hooked to a underlying MSSQL 2005 database and table. I'm using ADOConnection and ADO Table for ease of use. I need to include image data in this table, so I have set up …

I tried to do this [CODE]ArrayList<String> a=new ArrayList<String>(2); a.add("dss"); a.add("dsfs"); a.add("fsfs"); [/CODE] Though i have specified a limit of 2 on the collection, i am able to add more. If this is general about Collections, is there any Collection which sets a limit and strictly follows it ?

Hello, I'm writing a lexixal analyzer on FLEX, and i want to open an #include file. Calling fopen(yytext,"r"); as shown in flex manual http://flex.sourceforge.net/manual/Multiple-Input-Buffers.html#Multiple-Input-Buffers does not open the file, although that the string in yytext has the value "<filename>". Instead, when i use fopen("<filename>","r") the file opens normaly and the …

Hi I am new to perl...I have a file in which sections are seperated by "//************************************************" How can i search for the asterisk character using regular expressions? =-------------- open(IN, "<$inFile") while (<IN>) { if (/^\/\/**/) #here is the error..search for multiple '*' character { print "Seperater found" } } pls …

helleo all i want to delete from 5 tables with inner join like that: Category=CategoryId,CategoryName,.. Item=ItemId,ItemName,pictureId,VideoId,AudioId,CategoryId Picture=pictureId,pictureName Video=VideoId,VideoName Audio=AudioId,AudioName the user will Enter category name in text box iwant to delete Category+Item+picture+audio+video help me please :)

Hi everybody. I have an UserControl (Windows Application - .NET Framework 3.5) which is composed of a TextBox and ListBox: it should pretty much emulate a "suggestion box" just like the ones in Google and other various search engines. Now, the initial status of this control (TextBox blank) imply the …

hi guys this is probley simple and i have an external board controlling various things on the board is a button which i would like when pressed activates code within a button on my vb form i have tried button1.select but that only well selects the button on my form …

#include <iostream.h> void main () { int i,j,temp,smallest; int list [10]; for (i=0;i<10;i++) { cout<<"enter a number\n"; cin>>list[i]; } for (i=0;i<10;i++) { smallest=i; for (j=i+1;j<10;j++) { if(list[j]<list[smallest]) smallest=j; } temp=list[smallest]; list[smallest]=list[i] list[i]=temp; { for(i=0;i<10;i++) cout<<list[i]<<endl; getch(); }

i realize the topic isnt much descriptive but i thought that my code was a bit strange so i hope dw can give me a bit of info this is the most random thing ive ever made. on windows it produces quite a bit of ruckus in the console but …

Hello All, I am currently in the process of adapting an application that previously worked only with Microsoft Access to work with SQL server or Access. Previously, all database interaction was designed based upon using the XSD file to create queries (etc). I wasn't sure how to handle the new …

Can someone please help me. I want to call an MS Word Document in my system using VB.net what should be the syntax? Thanks!

Please help me =( I'm not native english speaker, therefore some things might be not clear here I have 2 separate files: [B]Main.java[/B] and [B]Open.java[/B] inside [B]main.java[/B] there is a GUI and it has a [B]JTextArea[/B]) where i want to show text (variable) called from [B]open.java[/B] in [B]Main.java [/B] i …

Be aware this is going to be ugly because I have never written anything in python and am attempting to quickly pick up just enough to solve my problem. I need a way to automate doing about 2 weeks of daily archives of a backup file. I think I have …

I'm doing this simple program that checks for number validation and I have an infinite loop in it. I can't figure out how to stop it. It's supposed to check for numeric digits only, but when it finds something other than the above, it hangs up in the loop. Could …

Hi, I have a question please I am using a DetailView to Insert into a SQL Server database. I then want to get the last identity id and use it at the end of url to redirect it to another page. I've done a lot of research and I think …

Hi, I'm writing a code that takes a file name from user and opens it if it exist and if it doesn't asks for another file name. What i wrote is this: [CODE] #include <iostream> #include <string.h> #include <string> #include <stdlib.h> using namespace std; int mani() { string input; cout<<"please …

I would like to know why sql query for month and year is working, and i[B]s not working for day[/B]: [CODE] string myQuery = "SELECT StudentName FROM Students WHERE " + "YEAR(Birth) BETWEEN @yearFrom AND @yearTo AND " + "MONTH(Birth) BETWEEN @monthFrom AND @monthTo AND " + "DAY(Birth) BETWEEN @dayFrom …

Hi, I'm looking to break up a file with space delimiters. Its really just a list of numbers with spaces in between them, and I need to put each of the numbers in a list as separate entries. However, they are all on one line like so: 5 7 6 …

Hey, I apologise for the noobishness of this question, but I am unable to move the form. [CODE] if (Screen::PrimaryScreen->Bounds.Top != Screen::PrimaryScreen->WorkingArea.Top) { this->Left = Screen::PrimaryScreen->Bounds.Right - this->Width; this->Top = Screen::PrimaryScreen->WorkingArea.Top; } else if (Screen::PrimaryScreen->Bounds.Left != Screen::PrimaryScreen->WorkingArea.Left) { this->Left = Screen::PrimaryScreen->WorkingArea.Left; this->Top = Screen::PrimaryScreen->WorkingArea.Bottom - this->Height; } else { this->Left …

I'm took an fundamental of C++ . Here is my code, could you please help me to point out the error . Thanks [CODE]#include <iostream> #include <cstdlib> #include <iomanip> #include <string> using std::cout; using std::cin; using std::endl; using std::string; using std::fixed; using std::setprecision; int main() { int unit_of_desks = 0; …

What's the differences between exit(0), exit(1) and exit(-1)?

Hi, I am using VS2008 and for the project I am creating, I have a "settings" text file I am using to save user defined settings like color theme, homepage, etcetera. It works fine, however, I am unsure as to how to handle the eventual distributed apps' destination folder/file. Creating …

atlast I have managed to get some working code but the first problem is that I have is taht.. when I call draw(2,4) I have a column of 2 circles and 4 rows and I would actually like it to be a clomun of 2 and row of 4. Secodly …

Hi all, I've been trying to work on solving this myself but failed short of new ideas. I am experiencing memory heap errors ever since I tried to transfer some functions (for calculating statistics i.e. getMode/getMean/getVariance) into a new class in the spirit of OOP. Compiler error is... --> This …

Guessing Game with functions, classes, methods, etc [CODE=python]#Code should always be in a method or class #Always start variable names with lowercase, classes could be capital #input.upper() allows the user to use lower or upper case for each option import random from operator import itemgetter def isint(x): try: int(x) return …

hi, i want to have a vector of strings. i know i could declare it by [code] #include <iostream> #include <string> using namespace std; vector<string> vec; vec.push_back("this"); vec.push_back("is"); vec.push_back("my"); vec.push_back("array"); [/code] but thats very tedious. isnt there a more elegant way? if i had the vector as an argument to …

Hi! I copied and pasted a grapics.h example from the help>index in borland C. When I try to run it the compiler gives me 9 error messages, all going something llike this: Linker error: Undefined symbol _closegraph in module "my file name" here's the example: [code] #include <graphics.h> #include <stdlib.h> …

Ok, so I'm really after knowledge rather than a quick easy solution here. I am part of a team that is currently working on the development of a 'kind of' physics engine but I have hit a small wall since adapting the functionality of a class which was previously working …

Hey, I have an item class: [CODE] #pragma once using namespace System; using namespace System::Drawing; ref class Item { public: Item(void); int Type() { return _type; } void Type(int value) { _type = value; } String ^ Text() { return _text; } void Text(String ^ value) { _text = value; …

I created this function for my program : [CODE]int calcTotal() { petShop p; fstream f1; f1.open("Pet_Shop.dat",ios::app|ios::binary); int loc; loc=p.tellp(); float records; records=loc/sizeof(p); cout<<"Total number of records = "<<records; cout<<"Going back to main menu"; menu(); }[/CODE] I am getting this error : [CODE]error C2039: 'tellp' : is not a member of …

I tried to debug Macro variable but i cannot. I use Dev c++ [CODE]#include<stdio.h> #define TIME 5 int main() { int i=TIME; printf("%d",i); }[/CODE] when I run it, of course it gives correct result. but when I debug, it reports "TIME = not found in current context"

Hi. I am trying to write server side windows forms application that supports multiple clients. What I want is following: 1) I need an infinite while loop to accept new connections. In order to do that I start new thread which executes while loop. I can't execute while loop without …

Hi, I have a problem in repainting in a JPanel. Situation: I have a ButPanel which extends JPanel. In this panel I draw some sequences with some text along with it, by overriding paint() method. Eventually the screen size exceeds as input increases I use a CompareFrame which extends JFrame. …

hi all i want to create an xml file from an array i've been googling but can't find the right one the closest one that i get is in [URL="http://www.higherpass.com/java/Tutorials/Building-Xml-With-Java-And-Dom/"]http://www.higherpass.com/java/Tutorials/Building-Xml-With-Java-And-Dom/[/URL] but it doesn't create an xml file like i wanted to i want to print and create it like c:\xml …

I am working in Microsoft Visual C++ 2008. Here is my sum of digits code: [CODE]#include <iostream> using namespace std; int main() { int num; int sum=0; cout << "Number, please? "; cin >> num; while (num>0) { sum=sum+num%10; num=(num-num%10)/10; } cout << "Sum of digits: " << sum << …

I know you guys MUST be tired of scope questions ... but I need some help getting through this fog ... The following code works ([I]notice where I instanced 'cp'[/I]) .... [CODE] public partial class frmMain : Form { ConnectParams cp = new ConnectParams(); public frmMain() { // Fires up …

I hear perl is the way to go for string parsing, so here is the test! I have a file like this: [code] ... <li><a href="DSC_9866.JPG"> DSC_9866.JPG</a></li> <li><a href="DSC_9867.JPG"> DSC_9867.JPG</a></li> ... [/code] and I want to get a list of the file names. That is, the result I want is …

I have been trying to use a wxPython textctrl to display a list of files, but it did not fit my purposes. The wx.StaticText seemed useful, and a ll works except for one major kink; I don't know how to scroll it. Moved post to its own thread, since the …

i am pretty new to c++ and dark gdk. im trying to make a simple platform game to start off. i have the basic controls down, the animations, and collision. but i am having much trouble finding how to create the effects of gravity. please help.

Hi everyone, I'm not so sure if this belongs in here or in computer science but I think as I want to use c++ this may be the place. I was wondering if anyone could point me towards some tutorials/references or books on methods for approaching the design of larger …

I want to make a native win32 program that simply moves the cursor to x=100 y=200 on the screen, and then clicks the left mouse button once. Where do I start? For once, Google got me nowhere. I use VC++ 2010 to compile.

I know its silly but once i tried this and output is not what it should be.. [code] #include<stdio.h> #include<conio.h> int main() { int i=0; i=i++; printf(i); } [/code] i MEAN post increment will store a value, say 0 here.and then increment but that value is given to the variable …

Hi, I am using RDLC in my reports.Can someone tell me the syntax for IF THEN ELSE statement in RDLC? I want to write else if loop in my expression. Thnx in Advance

i am newbie in java programming. So as a beginner, i need to understand technical terms from developers like you. Please answer the question in a way that a beginner like me would understand. I don't like links, i want a definition from you. Thanks a lot in advance.

This code should get one random line from sample.txt and put it in Label1 - problem is that it's only getting line 2. Every single time. What's wrong with it? Please help. I bet it's something rediculously obvious but i can't find it :'( Thank you so much in advance. …

Hi folks, I'm wondering how to close a VB6 multiform application using the red x on the main form. There should be a message box that lets the user confirm the exit ( yes ), or ( no ) resume the application. Thank You!