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| | Can I ask what the programing languege used in iOS? I heard it was Xcode but I'm not 100% what that is, lol if anyone can give me a hand it would be great. Also (and I know this is kind of a supid queston) can you use and C++ …  |
| | hi all, Here is my code to insert and update my Access database. Problem is after the data gets updated, after a while, all the records in the database disapears...??? I am quite confused....pl help whth my code..thanks [CODE] Dim icode As Integer frmEdit_Items.ITEMTableAdapter.Insert(Me.TextBox1.Text, Me.TextBox2.Text, Me.TextBox3.Text) frmEdit_Items.ITEMTableAdapter.Fill(frmEdit_Items.KiranSDBDataSet.ITEM) frmEdit_Items.ITEMTableAdapter.Update(frmEdit_Items.KiranSDBDataSet.ITEM) icode = … |
| | Hey guys, I'm doing a class called "Greyhound" (I need to do a greyhound race for a book) Each greyhound has a corresponding picture box because they race along a horizontal track. So, my question is, let's say you have an instance of PictureBox: [CODE]PictureBox MyPictureBox = new PictureBox();[/CODE] What … |
| | [CODE] template <class T> class Llist //.... //Iterates to position and sets pointers to node at position-1 and position. template <class T> void LList<T>::iterate(Node<T>*& previous, Node<T>*& next, unsigned short pos) { //some code } //Start Iterator template <class T> inline Iterator<T> LList<T>::start() { //some code } template <class T> class … |
| | Hi all, I have a problem I always though i knew the answer to. I have a variable with spaces and I want to perform an operation on each. VAR="THIS" "THAT" "THIS AND THAT" "THIS AND THIS" for i in $VAR do echo "$i" done I thought that I should …  |
 | Hi I'm having real problems getting one dropdown to populate a second dropdown based on different options being selected in the first. For it to work in a form. And for the dropdowns to take their data from mysql table. In the code enclosed I've hard-coded the categories, but obviously … |
| | Hiii all I am using java 1.6 and RXTXComm package (Javax.comm) package. I can read data from a electronic weighing machine. Now I have to set the weight as zero. I can tare this weight by sending T command to serial port. I had tried several times but no response … |
| | In the last chapter of my book we implemented a simplified version of the vector class In the chapter I'm studying now we're implementing a simplified version of the string class ... which uses my version of the vector class (called Vec) to hold chars. [CODE]Str(const char* cp) { std::copy(cp, … |
| | Hey, I am doing a 'Helicopter'-style game for a project where the player holds the spacebar for the main sprite to go up, releases to go down. Objects come from the right side of the screen at random y-cords moving until they hit 0 on the x-cord. The player must …  |
| | In a unix pthreads based app I'm working on, I have objects of a particular class (call it class foo) being created in multiple threads. I need a specific public method of class foo invoked at or after 60 seconds of the object coming into existence (it is not imperative … |
| | Hi All if anyone could help me that would be great! currently i have an array which enables a user to input: Student Name Maths Mark English Mark Science Mark Array: StudentArray(25,3) i have this array output the data to a listview box. Column 1: Student Name Column 2: Maths … |
| | So I am having trouble with the most popular error ever, memory access violation. To make a long story short I am dabbling with an old program I once wrote, it's main purpose is to parse some stuff and download some files. (It's too huge all in all so I … |
| | hey I am new in C++ and I have finished my code but my Prof. asked me to write pseudocode and I have no idea what that is and I dont know how to write it. Can somebody give me some example how to write pseudocde from this code. [CODE]//This … |
 | Good day.. I'm having problem on how to store or create a table on my database using vb.net i'm having hard time to create a table on my existing dbase here my code; coould you tell me what's wrong!!! Dim ntable As OleDb.OleDbDataAdapter Dim mtable As New DataTable con.ConnectionString = … |
| | Good day. I am having a trouble on how to update my reocrds on my 2 tables. 1 table is sample and the other table is tbl_educ. my sample table which has a pk of emp_id while the tbl_educ has a field of emp_id they are related by one-many relationship. … |
| | hello everyone, Help pls. I encounter "server error" with the last sql query statement in the last 'for' loop. Here is the code: $qdev=mysql_query("select distinct(device) from wipdataperarea where creation_date like '$today%' and gtc='AL' order by gtc,device"); $device=mysql_num_rows($qdev); while ($dev=mysql_fetch_assoc($qdev)) { echo "<tr>"; echo "<td>" . $dev['device']. "</td>"; $qarea=mysql_query("select distinct(area2) from … |
 | I have just started learning Basic, and i know you can create command butons from the virtual environment, but how do you create (and, more importantly, let the user drag around) them from code? |
| | Hello, I have this assignment I'm supposed to deliver tomorrow, I have most of it figured out, but there are certain bits and parts of the question I can't figure out... I'll show you what I mean, here's the entire question: [CODE]Develop two linked lists to manage the list of …  |
| | Hello everyone I've been trying to figure out how to make a joystick move a servo by using Arduino board, its software and Python with pygame module. But I can't just get the servo to move. I really wish someone can help me. This is actually part of my final … |
 | The application has a screen size and resolution problem . What should be done since it looks very funny on desktops . |
 | I am working on making a 'safetype' abstract class, which will have a complete set of pure virtual operator overloads to help make sure that a class inherited from it is safe to pass to virtual any function. The problem is that I don't know the syntax of a pure … |
| | I am just wondering what I have done wrong. I successfully installed Netbeans, PHP, MySQL, APACHE on Ubuntu 11.04 and I have been developing applications with them. Recently, Whenever I try to establish a connection with a MySQL using the following lines of code, and run the page from Netbeans, … |
| | I'm learning C++ and just finished a tutorial on pointers. I understood what they were and how to use them but I do not understand when they should be used. When would it be practical to use a pointer to get a value instead of using the value's name? For … |
| | I was assigned to make a int to binary converter. I made one and it work as it should however when attempting to make a char pointer and print the char array the pointer is pointing to it print weird character which I am guessing is the memory location. Am …  |
| | Well I am coding a small intermediate program to help me with learning c++ , and i am wondering how to check for blank input to cin >> string heres what i have [CODE]string name; cout << "Enter You're Name: "; getline(cin, name); [/CODE] and if i just hit enter …  |
| | I am working on making an error header file and this is what I have: [CODE]#include <stdio.h> #include <stdlib.h> #include <iostream> #include <sstream> #include <string> #define VANARGS(n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12,n13,n14,n15,n16,n17,n18,n19,n20,n21,n22,n23,n24,n25,n26,n27,n28,n29,n30,n31,n32,n33,n34,n35,n36,n37,n38,n39,n40,n41,n42,n43,n44,n45,n46,n47,n48,n49,n50,n51,n52,n53,n54,n55,n56,n57,n58,n59,n60,n61,n62,n63,N,...) N #define __VA_NARGS__(...) (VANARGS(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)) #define ERROR(...) (\ (__VA_NARGS__(__VA_ARGS__)==0)?"NONE":(\ (__VA_NARGS__(__VA_ARGS__)==1)?(_1(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==2)?(_2(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==3)?(_3(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==4)?(_4(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==5)?(_5(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==6)?(_6(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==7)?(_7(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==8)?(_8(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==9)?(_9(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==10)?(_10(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==11)?(_11(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==12)?(_12(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==13)?(_13(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==14)?(_14(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ (__VA_NARGS__(__VA_ARGS__)==15)?(_15(__VA_ARGS__,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)):(\ … |
| | Q: A local company has the following monthly charges for snowclearing services: $250 for 0-5 visits $250 + $55 for each visit over 55 13% tax is to be charged in each case if previous balance is not zero, intrest of 4% of that balance is to be charged. theres … |
| | I noticed that using a switch statement, the case always has to be a constant character or integer or it won't compile. It's sorta of a bummer as the only alternative is using a bunch of if/else if's. So doing something like this won't work: [CODE]switch(aString) { case "word1": doSomething(); …  |
| | Hi there, I am coding for an engine based on C that supports everything apart from arrays. Now what I want to do is this: [code] int Populate(int Amount, string TagArray[], float xLoc[], float yLoc[], float zLoc[], float Orient[]) { int AutoInc = 0; while(AutoInc < Amount) { int a … |
| | Hi, for i in 84 85 86 87 88 89 90 91 92; do ./runCleanup Session 11${i}; done i tried as we do in perl like for i in 84..92; do ./runCleanup Session 11${i}; done But its showing error. what is the solution. Thanks, Deepak |
| | Hello All, I am beginner to Java and am in the process of learning. I am currently focusing on understanding the Thread concept. Went through various materials available in the internet, but not sure whether I understood it(thread concept) clearly. Here is what I have written: A simple java applet …  |
| | I try to make an exercise that involves classes. I reached until this point [CODE] #include <iostream> #include<math.h> #include<iomanip> #include<conio.h> using namespace std; class Cplx { double re, im; public: //constructors Cplx(double x=0, double y=0); Cplx(const Cplx& z); //accessing the members double real() const {return re;} double imag() const {return … |
 | I'm trying to close and application using C# and ASP.NET. I've tried system.windows.forms.application.exit() but it just refreshes the screen. I tried Environment.Exit(0) but that just ended the application and returned an error in the browser. Please help anyway you can!! Thanks! |
 | I've been having a hard time understanding classes but i've got it mostly down(atleast I think) well below in the code I overloaded the + operator for my class called clr which uses strings, my problem is on lines 59 and 61(strcpy_s(tmp,len,other.buffer);) when I strcpy to tmp the word is … |
 | Hi, I'm looking for a good book on Qt 4 programming, I checked both chapters and amazon but couldn't locate a Qt book with favorable reviews and was wondering if the daniweb members knew of a good text...Thanks in advance. Gerard4143 |
| | I want to write an server application that is connected to a client application or reverse , connected through unique IP address and port number that can perform period check or ping to see if the other is active. Normally, a ping request uses ICMP messages to check whether destination …  |
| | I can't seem to debug these run-time errors. help would be appreciated. [ICODE] Exception in thread "main" java.util.InputMismatchException at java.util.Scanner.throwFor(Scanner.java:840) at java.util.Scanner.next(Scanner.java:1461) at java.util.Scanner.nextInt(Scanner.java:2091) at java.util.Scanner.nextInt(Scanner.java:2050) at lab2.readFile(lab2.java:92) at lab2.main(lab2.java:79) [/ICODE] [CODE] import java.io.*; import java.util.*; class Customer { int account_id; char[] ch1 = new char[20]; String name = new … |
| | Hello there, I have a JSP page that has a couple of images in, when I type the address of the JSP directly in my browser the page loads, with images and all. But when I go the page, through my servlet [RequestDispatcher.forward()] the page loads but the images are …  |
| | I need some extra eyes to help me figure out what is wrong! I have one entry form and a second form that does the updating. I have a checkbox for 'Entered' that works great but the checkbox for 'Proof' does not work. If I manually enter the value in …  |
| | Hello, I am newbie in Coldfusion development and I have a question: I must make a application where I have to use a parameter in a database (and not written in the code). Example: I have to show a text of a table with a "subtext" of other table. So … |
| | so there's an argument about best practice for #include statements. many people put all the relevant #include <header.h> statements at the top of the .c source code. some people prefer to put the relevant #include statements within the .h header file that is associated with the .c source code consider: …  |
 | My professor has thrown me a curve ball with this next assignment. The assignment is to make a Monthly Accounting Statement, the program is to you structs and arrays. I get how you can have an array of structs, arrays within a struct, etc... I have the program mapped out … |
 | Is there anyway to format Phone Numbers and/or Web Address [U][B]PRIOR[/B][/U] to inserting them into the database? For example, let's say a user puts one of the following telephone numbers into the box: (777) 111-2222 777-111-2222 777.111.2222 7771112222 I would like these to be stored in the database as: (777) … |
| | Hi guys, I'm a bit stumped at the moment trying to figure out a way to keep track of the following scenario - I want to track a list of events and members of our club who attend them. Each member currently has a member ID as a primary key … |
| | I am using qcheck=all while compiling my makefiles. When I am running the binary file generated then it is converting integer to a double value For eq: 612 to 612.0 Can anybody help me to know the reason why? Regards, Ankur. |
| | Hey guys, I need some help with this coding. I feel like it's something simple so hopefully someone can figure it out. I know for certain that it has to do with float-int conversion problems, and I feel like once I figure that out the rest should fall into place. …  |
| | 3 months ago me and my classmates played with visual c++ 6.0. We made a infinite loop of numbers that kinda looks like the matrix thing. We changed the font of the cmd of c++ to green. Now the problem is I can't turn it back to normal. I tried …  |
| | Hi everyone! Is there a way/command in C to find a string that is contained in a longer string? I'm currently developing a C program in Windows that sends requests to a machine and gets its response through socket programming. The response is an image in jpeg/jfif format. The whole … |
| | Hello, I have a txt file which contains data in this format: [CODE]cross-sectional study 21225114.txt prospective cross-sectional study 21225178.txt cross-sectional study 21225178.txt retrospective cohort 21225558.txt retrospective cohort study 21225558.txt cohort study 21225558.txt[/CODE] This shows what type of study each of the txt files have. Problem is some have more that … |
| | Hi, can anyone help me with this one? Whenever I try and use the website administration tool I get the message above straight away. I've searched a lot for a solution but can't find one that works. I have tried running aspnet_regsql.exe, tried changing the default browser, tried restarting IIS, … |
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