[queue] Forum Topics

I have an application that, on occasion, might need to perform certain tasks on files, or other things that are "in-use" while the application in running. This is what I've tried to do, but I'm running into problems: I created an interface: [CODE] interface IShutdownCommand { void OnShutdown(); } [/CODE] …

I'm trying to put a 2 dimensional array in a queue... How could I do that? #include<iostream> #include<queue> using namespace std; struct state { int puzzle[2][2]; }; int main() { state p; p.puzzle[0][0]=1; p.puzzle[0][1]=2; p.puzzle[0][2]=3; p.puzzle[1][0]=8; p.puzzle[1][1]=0; p.puzzle[1][2]=4; p.puzzle[2][0]=7; p.puzzle[2][1]=6; p.puzzle[2][2]=5; queue<int> Queue; Queue[front] = p; while(!Queue.empty()) { cout<<" "<<Queue.front()<<endl; …

Hello everybody! This is an amazing place you have built up here and I have never ceased to be amazed by the knowledge available... I have just one question which might seem quite easy to the right person so here goes. I am working with the console in C++ so …

hi im new her i want your help im computer student im very week in c++ i have an assingment i dont know how i can solve it this is : design and develop a program which simulates a cellular phone call processing center. The simulator has the following requirements …

Any idea how to implement a FIFO queue of chars in C? It doesn't need to be too fancy, just a fixed size (say 256 chars) and can't use any library functions (this is for a hobby OS kernel I'm writing, and there's not a lot of functions available for …

I can't believe I'm asking this, but this assignment I was given is proving very difficult. I was asked to find the ECLOSE function of a given Epsilon non-deterministic finite automata. All it is is the BFS tree of a graph from a given point, provided that the vertices are …

[CODE] #include<stdio.h> #include<stdlib.h> #define MAX 5 char queue[MAX][30]; int front, rear, temp; void init() { front = -1; rear = -1; } void insert() { if ( rear >= MAX-1 && front == -1 ) { printf("\nQueue overflow"); return ; } temp = rear; rear = ( rear + 1 …

I'm writing up a program for a class I'm taking where I need to make a linked list stack & queue. Right now I'm not quite done, but I'm having problems calling the functions from the .h file. What's happening is in the while loop, I'm trying to get data …

My professor has given me the code and I wanna run it. I use Visual Studio2008. Code contains data structure "queue". He defines one queue as "queue<int> Q;" But my compiler gives an error and says "error C2065: 'queue' : undeclared identifier" Do we need any separate header file to …

this is a program that my teacher gave me in the class. but i didn't understand it....please explain it to me step by step... [code= c++] #include<iostream.h> class queue { int element; queue* next; public: queue* enqueue(queue*,int); queue* dequeue(queue*); void queue_display(queue*); }*head,*tail,object; queue* queue::enqueue(queue* head,int key) { queue* temp; temp=new …

Hello again guys, I got here a Stack and Queue Array program. My problem is deleting an item in Queue. Here's a quick video of my problem: [url]http://www.youtube.com/watch?v=X_G82aU_LV4[/url] Here's my code: [code=C]#include <stdio.h> #include <conio.h> int main() { int a[100],n=0,i; int cho,choi,choice; clrscr(); do { printf("\n\n\n [1] Stack\n"); printf(" [2] …

Ok, So the problem I am having is with the LineUps class in the getTime method. What I am trying to do in the getTime method is to get the overall time of the whole Queue list. The Queue's are really LinkLists of type Person. In Person, there are two …

i am writing a program on huffman's code in C++. I have wriiten the program till building the huffman tree. now I have to generate the code by traversing the huffman tree. I have no idea how to do that logically. please help with code or algorithm. Here is my …

Hi, I wish to implement a priority queue and I need to create it with structures, as in I will be inserting structures into the queue and I wish to keep it sorted(ascending order) it according to one of the structure elements. How can this be done? Any pointers will …

Hi all, Im writing a concurrent access queue. MY problem is that my producer is too much faster than the consumer, and the queue is allways filling up. I think that I have to write some congestion control, but sith sleeps? mutex? One curious thing, if i write something like …

I have a tabbed activity as my main class and 3 activities that it has as tabs. I've been googleing this but no luck so far. One of my activities has a thread that runs and gets messages from the telnet thread via a queue. Without going into that to …

I trying to read in from a file but getting runtime errors can some one help find the .txt file as an attachment [CODE]#include<iostream> #include<set> #include<stack> #include<queue> #include<algorithm> #include<fstream> using namespace std; int main() { const int size= 7; char input[size]; fstream nameFile; nameFile.open("words.txt"); if(!nameFile) { cout<<"error cannot open file"<<endl; …

Hello, good morning guys! I got a problem here with my submenus of Stack and Queue link list. When I try to add an item, it won't display and pop the items when I try to select the display and pop functions. Same as well with Queue. Can anyone help …

What would the workflow/logic be for distributing resources to players? I currently have a Java server as a component to the game, would you suggest i just distribute X number of resources to players every second? (X is defined in the database) Or are there any mathematical formulas which can …

HI, I have an excersise for school but don't know if I solve it correctly so maybe is here a good place for my questions. It's a Breadth-first search algorithm. here is a picture. [URL="http://www.shrani.si/f/2b/SK/2SKKVUSy/drawing1.jpg"]http://www.shrani.si/f/2b/SK/2SKKVUSy/drawing1.jpg[/URL] now I have to resolve these (start with node 2) : This is my table …

Hi all, I'm developing a library. I would like that this library could make differents callbacks to the user part. Untill now, I had the simplest way to do it, I had stored a pointer to the user class and I was making calls when something happened, but with this …

Hello, I am trying to create a script that will compare two identical pieces of hardwares configuration files (that are added via a GUI provided as part of the device) and to synchronize the two devices configurations. I currently have a shell script that connects to and downloads the configuration …

Anyone have a clue. This is pretty straight foward and it's mostly copied from another program I use right now and that program works perfectly... I just don't know what the heck is up. Any help would be appreciated!!!! I have made test files to work with as well as …

hi please help me....can you give me a code for queue program??? the flow look like this: KEY FUNCTION E Enqueue D Dequeue H Hide implementation S Show implementation R Bubble sort *note 10 numbers to be inputed.

Hi everyone. I wonder why the following code doesn't draw anything. [code=java] package AssProgLang; import java.awt.*; import javax.swing.*; import java.util.*; public class AssOutput extends JPanel { public AssOutput(Queue translatedQueue) { this.translatedQueue = translatedQueue; outputFrame = new JFrame(); outputFrame.getContentPane().add(this); // outputPanel attributes outputFrame.setLocationRelativeTo(null); outputFrame.setPreferredSize(new Dimension(640, 480)); //this.setPreferredSize(new Dimension(640, 480)); outputFrame.pack(); outputFrame.setTitle("ASS™ …

I kind of understand the basic concept of adding to the end / overwriting the oldest when the buffer is full, but i am not sure about where to add new data in the buffer when there is free space at the start of the array (the left hand side) …

Hi, I currenty working on some assignment. This requires a server to process some entities for specific time. after that time server not process any entities further. I don't get to how to start implemet this. Plz help Thanks in advance.

I have some callback method that set on my queue some bitmap. This callback is called every 3 millisecond. What i mean is that my queue will be fill up with a new bitmap every 3 Millisecond. I trying to get the first picture ( this is queue ... ) …

Hello, Is there any way of checking all elements in a queue without calling pop(). [code] while(!q.empty()){ cout << q.front() << endl; q.pop() } [/code] this is essentially what I have done. There is a bug in my program and I'm trying to check what is wrong. I don't want …

Hi I have a fundamental question, about new projects using wizard • For File/New wizard Win32 projects the applications include the message queue and message loop. • For File/New wizard MFC Application Dialog Based there is no message loop and message Queue How can I add message loop and message …

I have read all the MSDN docs on this subject that seemed relevant, but I am still confused about a few things. I am trying to achieve functionality like WSAAsyncSelect(), but use a separate thread instead of the main window. Can I use the regular WSAEventSelect() for this? and if …

hello everyone! I wanted to create a priority queue in which there would be different dictionaries with their priority numbers. The major problem I'm experiencing is that the queue just prints the dictionaries without regard for their priority. Please what do I have to do so that the queue prints …

hi i'm new and i've got this problem i can't figure out when overloading the assignment operator for a queue object. here's what i've got so far: [CODE]nodeType<Type> *current, *newNode, *last; //pointers for adding nodes bool doneOnce=false; if(this!=&otherQueue){ //no self copying destroyQueue(); if(otherQueue.queueFront==NULL) //if queue is empty, save some time …

Hi everyone, I just started doing C++ coming from a java background. I'm writing a discrete event simulator at the moment and need to put 'job' objects into a priority queue and sort them by their next job time- i.e. shortest job time first. I first tried doing the following: …

Hello, I am trying to write a simple program which listens to some data on network and writes to a file. I decided to use mmapped files because the data is very large (magnitude of 3-5 Gigs) and very fast. so as expected, i put the data in queue and …

Hi, Yesterday I downloaded and extracted ActiveMQ and ran the consumer/producer example and it worked. Today I did the exact same thing but I get the following feedback: [CODE] C:\Java\apache-activemq-5.3.2\example>ant consumer Buildfile: C:\Java\apache-activemq-5.3.2\example\build.xml init: compile: [javac] C:\Java\apache-activemq-5.3.2\example\build.xml:146: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable …

Dear All, Could you tell me how to complete this coding? so it can run like the program that I have attached. Cheers, [CODE] type node = ^data; data = record nama : string; ipk : real; {tipe data info} yudisium:string; next : node; end; linkedlist = record first : …

Hello, im making a fact system, and I need a refresh script, For example when someone clicks on the "next fact" button, the "div" part (where the fact is displayed) refreshes. ONLY the div part. and the javascript below is externally loaded... [CODE]/ ============================================== // Copyright 2004 by CodeLifter.com // …

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 learning as i go on a side project i'm trying to do, but am having trouble finding the information i need. I'm making a website with individual user pages with lists specific to them; think netflix or gamefly. I have repeating regions of information for one object, and i …

Hi, I'm having trouble with my program,here is one of the error code: Error 1 error LNK2019: unresolved external symbol "public: __thiscall linkedListType<int>::linkedListType<int>(void)" (??0?$linkedListType@H@@QAE@XZ) referenced in function "public: __thiscall linkedQueueType<int>::linkedQueueType<int>(void)" (??0?$linkedQueueType@H@@QAE@XZ) main.obj Mesina_Wk5Assignment The following are the codes to my program [CODE] // linkedList.h file #ifndef H_LinkedList #define H_LinkedList #include …

This problem originates from a job interview which could be solved in C++ or C#. As far as I can remember it was to implement a queue that can be added to by multiple threads and accessed by multiple threads. I haven't tried it in C# yet although I think …

I am trying to implement a toArray() method in my PriorityQueue. The PriorityQueue returns an array of Objects, but I want to do is have an array of the original type of objects which in this case is Job (which is marked by the 'T1'. The following is the toArray() …

Define a class Queue_time that represents a queue of Time objects (from our textbook) by keeping its elements in a dynamically allocated array (with maximum capacity) and make the queue as a "circular array" (the first element follows the last one). Supply the "big three" memory management functions. Use this …

[COLOR="Red"][I]Hey everyone, I've finally gotten my program to build with no errors or warnings and I can run it but it doesn't give all of the correct output. The Instructor provided my class with what the correct output should be and my program gets it partly right just not all …

Hello, I can't seem to get my program to build correctly. It seems I've finally gotten close because now it will build with no errors but with 2 warnings. I'm not sure what else to change in my code to fix it. Could anyone please help? Here's my code: [CODE]// …

I'm running Eclipse for Java. I created a DOM version of an XML file. Now I want to change an attribute of an element in the file. I called a method that called a method in the class that controls the DOM, and I got a dialog box saying "JDI …

I am tring to remove three string from a que using nodes. When I try to remove the third one it does so, but then I get a debugging error. I think the problem is that I am not deleting the last node but I cannot figure out what I …

que.print is not working and I cannot figure out why not I posted a lot of code because I cannot figure out where the error is, I think it is in que.cpp, but I am nto sure what is wrong. Here is the main [CODE]#include "Stack.h" #include "Que.h" #include<string> #include …

Can someone please double check to make sure I have these right. Here are the instructions... Assume that q is a queue implemented as described using circular array with queueElement = char and capacity 5, and then ch is of type char. Show the values of myFront and myBack and …