2,055 Topics
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| | Hi Experts my excel data is copied successfully to the listview. But on importing to database, I get this error. InvalidArgument=Value of '5' is not valid for 'index' ParameterName:Index ================= I have 2 problems ================= Problem 1: What should be the problem when I importing from listview(I think it is … |
| | I am a beginner to hibernate.... I have a two tables like, t_2013 id name 1 donald t_2014 id name 2 charles This is my jpa, @Entity @Table(name="t_2013") public class Test implements Serializable { @Id @GeneratedValue @Column(name="id") private int id; @Column(name="name") private String name; Here i create one jpa with … |
| | hi all, I need one help.i want to give OCA exam the name and number of exam is "1Z0-047 Oracle Database SQL Expert" these is for "10g".But i don't have any material for that.please send me the material for that. only i know the exam topics which i am send …  |
| | A queue is a restricted data structure that allows only the following operations: a.Enqueue" an item at the end" of the queue. b.Dequeue" an item from the beginning" of the queue. These should correlate with your intuitive notion of a queue (line) in the physical world. In queues the first … |
| | **hello peeps and geeks, i am missing the MinSpanningTree function here.. any help please? need to fill up the function to get a) Minimum spanning tree cost for the graph b)Spanning tree path for the graph. E.g in matrix or adjancency list. ** #include <iostream> #include <ctime> // For time() … |
| | Hello everyone, I have this assignment that I dont understand. It is a very long assignment I think. I don't want any code or something like that. I need to understand what i am suppose to do then I have to start thinking about codes. Now you may say just … |
| | Hi, I am working on a project and I have to implement a graph and to look for the shortest path. As I read so far the best way is with Dijkstra's algorithm. I am trying to do it but i have some problem. Can you please help me with … |
| | would any one give me idea or code about how to make a binary search tree of apple Ltd products prices. suppose products are: macbook i3, macbook i5, macbook i7, iphone 3g, iphone 3gs, iphone 4, iphone 4s, iphone 5, iphone 5s, iphone 5c, ipand 2, ipad mini. |
| | Hello everyone! I'm fairly new to C++ and I have hit a serious road block....I cannot for the life of me get my program to fill a structure from a file and print the array correctly. I don't know what to do :( It prints a series of numbers because …  |
| | 1)On receipt of the signed MSA back from the customer, the original should be sent to the legal representative and a controlled copy should be sent to the TM/Account Manager by ___________. B D M DM 2)Runtime Profiling is used by which category of users? Developers and System Administrators Configuration …  |
 | Hey everyone, I really need help in solving a problem that I have to use recursion for. I have a list of paper objects. Each paper object has its own author(s) objects. Each author object knows which paper(s) objects they belong to. I have to build a scholarly neighborhood for …  |
| | #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> // free- A lot of extra marks //Avoid global variables. struct packet { //struct for the packets int source; int destination; int type; int port; char data[49];//starts at 0 }; int add(); //to add a packet void view(); // view a created … |
| | I'm coding in visual studio. i have a problem in ConfigureSerialPort function. #include <windows.h> #include <stdio.h> #include <string.h> HANDLE hPort; BOOL WriteByte(BYTE bybyte) { DWORD iBytesWritten=0; DWORD iBytesToRead = 1; if(WriteFile(hPort,(LPCVOID) &bybyte,iBytesToRead,&iBytesWritten,NULL)==0) return FALSE; else return TRUE; } BOOL WriteString(const void *instring, int length) { int index; BYTE *inbyte = …  |
| | So for my homework i needa write a code that requires me to look up on a T key and adding stuff to T values. Could someone help me plz? (ie can i set both the key and value to template type) p.s. sorry not being able to expain the … |
| | I have to write the an AVLTree in python, followed all the instructions and I feel I have it just right, only problem is I can't figure out how to display my tree. I have to use the test given below, as well as the 2 methods below in the … |
| | Table structure for table `address` -- CREATE TABLE IF NOT EXISTS `address` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_id` int(11) NOT NULL, `country` varchar(255) NOT NULL, `city` varchar(255) NOT NULL, `address` varchar(255) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ; -- -- Dumping data for table `address` … |
| | #include<iostream.h> #include<conio.h> #include<string.h> #include<stdlib.h> // define maximum number of patients in a queue #define MAXPATIENTS 100 // define structure for patient data struct patient { char FirstName[50]; char LastName[50]; char ID[20]; }; // define class for queue class queue { public: queue (void); int AddPatientAtEnd (patient p); int AddPatientAtBeginning (patient …  |
| | I have a database with a table, jobs and i have written this query to get information from this table. But i am getting no results with this data and i have no idea why? SELECT startDateTime, endDateTime FROM jobs WHERE startDateTime BETWEEN '19/11/2013' AND '20/11/2013' Database Structure: 1 jobId … |
| | write and test(using a complete c++ program) a function that appends one array of integers to another. |
| | i'm akill studying computer science and engineering in india.my question is which book is good for studying data structure with c programming? |
 | Hello, I'm trying to write a program that takes an input file name and lists the folders in a heirarchy ex.Folder subfolder etc I have most of my code, but I'm getting 2 errors that are connected and I have no idea how to fix it. Here is my code: … |
| | Hello! I am trying to implement a persistent data structure using a vector of linked lists, but each time I am adding the modified list to the vector, all the old entries seem to be updated... Could you please help me? Definition of the vector of linked lists (the list … |
 | How should I make an entry appended to existing entries instead of overwriting the whole file ? class ReadWriteCustomPathsToDisk(object): """docstring for ReadWriteCustomPathsToDisk""" def __init__(self, modulePath): super(ReadWriteCustomPathsToDisk, self).__init__() self.modulePath = modulePath def _xmlFileLocation(self): xmlFileLocation = os.path.join(os.path.expanduser("~"), "Documents","searchMethod","modules.xml") return xmlFileLocation if os.path.exists(xmlFileLocation): return xmlFileLocation def readXml(self): xmlFile = self._xmlFileLocation() root = etree.parse(xmlFile).getroot() … |
| | Hi, I have written a C program in Turbo C to load BITMAP image and now i am trying to send it over serial port. Kindly Help me how to send that image data which i already loaded in memory over serial port using OUTPORTB or BIOSCOM ? [CODE]#include <stdio.h> …  |
| | I am a newbie to C++ . i am trying to , i think, answer this question and i am lost many hours wasted. I think I've broken the problem done correctly. (NOTE WE CANT USE VECTORS OR STRUCTURE (still newbie) ONLY = CLASS< FUNCTIONS ARRAYS) 1)i need to design … |
 | I saw a tutorial from a site where it showed the use of `ArrayBlockingQueue` as a thread-safe concurrent data-structure . Just for learning purposes , i tried to build something similar using synchronized and wait-notify methods in java. I'm hoping someone could guide me to some improvements and point out …  |
| | Hi all, I really need your help on this one. I have a MSSQL db table with two columns-ID and name. Each row in this two columns contains an unique ID and a name. Now I have a query that imports just a name in the listview (I don't want … |
| | I have a monthly database and the daily data are every 15 minutes. Develop a script to calculate the average and sum of some variables. The data have the following structure: MagViento, DirViento, u, v, Humedad, Precipitacion 5.67, 245 , 7.7898, 6.5660, 100, 4.1 When I run the script, I … |
| | Having to create an ERD diagram from the following scenarion any help will be much appreciated Appendix 1 Case Study: Scenario - Global Trading PLC Global Trading PLC is a mail order company that operates a number of different catalogues. Each catalogue addresses a specific market segment and the company … |
| | Hello, I am trying to interface with a laboratory instrument using C++. I realize that my C++ experience falls short of desirable for this task; I am a self-taught amateur C# programmer delving into C++ and much of the code I have written is new to me. However, I have …  |
| | Good day! Im developing a client server application that send dataset from the server going to client. I have successfully send my dataset from the server after converting it to xml string. My client had also successfully recieve my xml data from the server. I had also successfully load my … |
| | [CODE]//To convert postfix expression into an expression tree #include"stdio.h" #include"conio.h" #include"process.h" #include"string.h" #include"stdlib.h" struct node{ char item; struct node *lnode; struct node *rnode; }*stc[30],*temp,*root; typedef struct node *NODEPTR; char expression[50]; char c; int top=0; NODEPTR pop(); void push(NODEPTR); void getinput(); void inorder(NODEPTR p); int main (){ getinput(); int i,j; for(i=0;i<strlen(expression);i++) … |
 | Cant find this error and all these java scripts are talking together can someone please find it. error has been noted blow. import javax.swing.JFrame; public class WindowApp{ public static void main(String [] args){ JFrame window = new JFrame("A window");//cans et the title on the title bar window.getContentPane().add(new ImagePanel()); window.setVisible(true); window.pack(); …  |
| | I have made a program for hotel management. It has a problem that: In the Accounts function, it should reset all the flags of the registered members through the program. But there is a error that it does NOT. I have spent a lot of months, trying to debug this … |
| | I have a question - how mwmory is allocated when any data structure is declared? Suppose I have declared a list as follows - List<Integer> lst = new ArrayList<Integer>(); How many bytes will be allocated for that variable or initially no memory will be allocated? Memory will be allocated when … |
| | Can anyone recommend me a good Data Structure and Algorithm book for java programmers? Possibly intended for game development, but not required to be. Thanks.  |
| | Hi, Imagine a vector of structures with each structure containing various variables. struct Data { double x double y double z } vector<Data> Dataset vector<Data>::iterator it //input some data from a file into DataSet How can I iterate over this vector, comparing say, x at the nth row to the … |
| | I need help in building a binary tree and putting integers in it. I need to write an add method in my MyArrayBinaryTree class (that extends ArrayBinaryTree) that allows me to place the element to be added in the very next available slot in the array. I also need to … |
 | I have an assignment where I'm supposed to normalize up to three normalizations for a table but the teacher didn't explain it well. Empno Pro# Hours Pro_name Pro_loc Ename Job Job# Pay_rate 56789 1100 32.5 x Apex Smith, John Database Deisgner 100 90 45555 1100 52.5 x Apex May, Joyce … |
 | Hello I ma trying to practice on Data structure using java. I solved a lot of problems but this one looks interesting but I need some help understanding what I really have to do ... > write a program that simulates the operation of a busy airport that has only … |
 | Please help me to perform this code! I'm beginner and want to know how it's look like! thank you To create abstract data type (structure) - vector that comprises a pointer to the target and the number of elements. To define initialization functions, the removal of a vector, set / …  |
 | hi everybody , i need to solve this case as soon as possible : i have the master table that include the following data : (SerialNo - integer (P.K), civil-bit, mechanical-bit, etc) and form that include the serial no text field that automatic increase by one each time the user … |
| | I have a database with the following structure: lat lon id 19.7 -95.2 1 19.7 -94.7 1 19.3 -93.9 1 19 -93.5 1 19 -92.8 1 19.2 -92.6 1 19.9 -93 1 20 -92.8 1 23.1 -100.2 2 23.2 -100 2 23.3 -100 2 23.3 -100.2 2 23.4 -99 2 … |
| | Alright ill apreciate some help, so here is the exercise and also what i have done so far. im a little bit lost on how to keep going. Problem Description: 1. Create Minimal Account Class for containment in the Bank container. 2. Define a Bank Class to hold Account Objects …  |
| | Since the underlying data-structure used here is an array , which is itself iterable via `for-each()` , i'm wondering how much benefit implementing `Iterable` will provide here. I would appreciate if someone could review my code and suggest any further improvements. **Code:** import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; class ResizingCircularArray<E> … |
| | Can anyone help me with displaying text in a C++ window? I've read the chapter 9 at winprog but it makes no sense to me. here's the code I'm using: [code]#include <windows.h> #include "resource.h" /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); /* Make the class … |
| | I try to get the response from a request to a web service in Sonic, I can send the request and the webservice receive that request, but I cant receive the response, I receive Response = nothing I'm using vb.net 9, visual studio 2008. Please help me. I think something …  |
| | Hi all, I want to create all possible combinations of a full binary tree which must have exactly 4 leaf nodes and 3 internal nodes. I want to create it using recursion and tree must be simple binary tree not a binary search tree or BST. Kindly suggest algorithm to … |
| | Basically - I'm looking for the best game structure. Here's the idea that I have # IDEA *Class* - **GUI** - Can be customised to contain buttons and to do specific things. This can simply have an event handler function that returns the index of which button was pressed. *Class* …  |
| | Hi all, I'm struggling with a simple little program which I would use for a test to (for example) sell footbal tickets. So I have a for on which user selects a game from combobox (combobox populates from text file) and number of tickets in a numericupdown field. On "Save" … |
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