1,306 Topics
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| | I am having a problem printing on a home network. The printer (Epson Stylus Color D68 inkjet) is connected by USB to a desktop and is also installed as a shared printer on a laptop. The network is set up and running properly - the laptop can connect to the … |
| | Hello everybody I'm a student and having problems with an assignment - I have at the moment no idea how to achieve an appropriate solution. I'm aware that you shouldn't help me by showing some code. That's okay for me since I want to solve it by myself but I … |
| | Basic background information Mariadb Ver 15.1 District 10.11.6 MariaDB Glarea cluster, one with three nodes: Node1:192.168.18.78 Node2: 192.168.18.79 Node3: 192.168.18.80 Among them, Node1 node was restarted after a power outage of 1 hour, and after executing the system ctl start mariadb, it was stuck for a long time (running for … |
 | Hello all. I'm relatively new to libcurl C++, and I have been hopelessly stuck. Bit of a background for this app. It is very legacy, having been made in the early 2000s. LPSTRs abound. It looks in FTPs for files from suppliers (who have an SFTP they interact with and …  |
 | I am trying to implement multi authentication in `laravel5.2`. I am following [this article](http://saravanan.tomrain.com/multiauth-in-laravel-5-0/) My **Auth.php** <?php return [ 'multi' => array( 'user' => array( 'driver' => 'eloquent', 'model' => 'App\User', 'table' => 'users', ), 'admin' => array( 'driver' => 'database', 'model' => 'App\Admin', 'table' => 'tbl_admin_user', ) ), 'password' … |
 | An exceptional SMTP (Simple Mail Transfer Protocol) server is crucial for efficient email communication. Here are the top 10 essential features of such a server: Reliability: An exceptional SMTP server must be highly reliable, ensuring that emails are delivered promptly and without loss. Security: Robust security measures, including encryption and …  |
 | ## Introduction ## In the last tutorial, we learned [how to send messages to a RabbitMQ queue](https://www.daniweb.com/programming/web-development/tutorials/538621/how-to-send-messages-in-rabbitmq). In this tutorial, we will learn how to consume those messages in Kotlin. ## Goals ## At the end of the tutorial, you would have learned: 1. How to use the RabbitMQ Java … |
| | ## Introduction ## In the last tutorial, we learned [how to set up our own RabbitMQ exchanges and queues](https://www.daniweb.com/programming/web-development/tutorials/538620/how-to-create-exchanges-and-queues-in-rabbitmq-server). In this tutorial, we will learn how to send messages to our custom **daniweb-exchange**. ## Goals ## At the end of the tutorial, you would have learned: 1. How to send … |
| | ## Introduction ## In the previous tutorial, we learned how to [set up our own RabbitMQ server](https://www.daniweb.com/programming/web-development/tutorials/538619/how-to-set-up-a-rabbitmq-server-in-docker). In this tutorial, we will learn how to create our own exchange and queue. ## Goals ## At the end of the tutorial, you would have learned: 1. How to create your own … |
| | A PHP array is essentially a stack of elements that can be used to denote a list, represent a collection of variables, etc. You can easily use loops to iterate over each element of an array. As PHP is a loosely typed language, all of the elements of an array … |
| | Hi guys, i am new here. Been on this code for some days and i seem stuck and not getting the expected output from this code. first the code functions as a FIFO QUEUE where it takes input from the user and put it at the beginning of a list … |
| | ## Introduction ## When using a Worker (**from the WorkManager library**), you might have wondered how to inject dependencies with Hilt. In this tutorial, we will learn how to inject dependencies into our Worker. ## Goals ## At the end of the tutorial, you would have learned: 1. How to … |
| | can someone help me with this problem in C? I'm new here I need help please help me with this question below. Create a C program that performs a lookup for an X element in a queue static. It is important to note that only the operations: queuing and unqueuing …  |
| | We are tasked to simulate a simple printing queue, where users take turn at printing their files/documents. We just need to put each of user's name, ID, and number of pages and then output the queue in the program. We need to do it by using Queue with Array. So … |
| | this is my sample code to create a student record using singly linked list queue. my problem is that I want to insert a student number in the struct but it doesn't repeat when I input the same student number. #include <stdio.h> #include <stdlib.h> struct node { char No[12],Name[24],crsysr[10]; float …  |
 | Can anyone please help on this. Tenanti Version: ^5.0 Laravel Version: 7.x PHP Version: 7.4 Database Driver & Version: mysql-5.7.31 **Description**: When I install tenanti version getting an error in service provider. Illuminate\Contracts\Container\BindingResolutionException Unable to resolve dependency [Parameter #1 [ array $config ]] in class App\Providers\AppServiceProvider Steps To Reproduce: "orchestra/tenanti": … |
| | Help, how can I create a MULTILEVEL QUEUE ALGORITHM program? I tried it but it crashes, does not build... It would be okay if its in other language. HERE IS THE SNIPPET CODE SAMPLE (c++): --------------------------------------------- //Enter Number of Process cout<<"\nEnter the number of Processes:"; cin>>n; //INPUT Arrival, Burst, and … |
| | Hi all pls help me with the soln to this probelm, the catch is the interface (menu) needs to be Built in C++ as well. any suggestions would be of great help as well. thanks It is a system written using a structured programming language (e.g. C, Turbo C) that … |
| | Hi, everyone: I am having trouble with a javascript and would greatly appreciate any help. The script is supposed to select a random video on page load, then continue to play a video that follows it when it ends. When all the videos have been played, it is supposed to … |
| | hai i need help,my lect ask to do assignment and the question are do insert,delete,edit and print output for queue and stack.everthing is okay until i got stuck how to do edit in queue and stack......someone please help me.thanks in advance  |
| | class Node(object): def __init__(self, data): self.data = data self.nextNode = None class Queue(object): def __init__(self): self.head = None self.tail = None self.size = 0 def enqueue(self,data): self.size += 1 newNode = Node(data) if self.head is None: self.head = self.tail = newNode else: newNode.nextNode = self.head self.head = newNode def dequeue(self): … |
| | How can someone write a Php script that enable users upload image along with a short description in their member area to the database where admin can receive and treat it??? I will also like to know how history on upload can also be added after each upload to the … |
| | I am supposed to sort an array in ascending order..I have tried but then i cant get the results i want.I also tried to look it up in this forum but i still can't get it...Here is part of the code:[ICODE]void sort() { int size=10; int j,temp,i; for(i=0;i<(size-1);i++) { for(j=i+1;j<size;j++) … |
| | A palindrome is a phrase that reads the same forwards as it does backwards. For example, “a man, a plan, a canal, Panama,” is a palindrome. Write a program that uses a stack data structure to check for palindromes in each line of a text file. Test your program on … |
| | I'm trying to make this queue program for school to take the next packet out of my queue (therefore delete it) in the queue function : struct packet_t *queue_retrieve(struct queue_t *queue) in line 73. I know that i have to use my write and read but i fail to understand … |
| | In this examle in writer.c I am trying to generate symbols from a to z and then print them in uppercase in reader.c. **writer.c:** // C Program for Message Queue (Writer Process) #include <stdio.h> #include <sys/ipc.h> #include <sys/msg.h> #include <string.h> // structure for message queue struct mesg_buffer { long mesg_type; … |
 | Hi, I have a C++ program : // ConsoleApplication14.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <iostream> #include <list> #include <queue> #include <vector> #include <string> using namespace std; class RectangularVectors { public: static std::vector<std::vector<int>> ReturnRectangularIntVector(int size1, int size2) { std::vector<std::vector<int>> newVector(size1); for (int vector1 …  |
 | Algorithm 1) Choose the time quantum and assign it for each process. 2) Allocate the CPU to the process according to the FCFS scheduling. 3) If (burst time of the process < time quantum).{Allocate the CPU to that process till it terminates.}Else {The process will occupy the CPU till the … |
 | Hi yall! I have to create a priority queue with out using built in librarys. I have tried to write a bit of code so far, however I dont know if it works and am a little confused on a few things. What follows this line is the main cpp … |
 | I have a file where I must find and delete a string, which in this case is called 'queue'. After I delete it, I must then delete all the following lines until a '[' character is found. I can't figure out how to do this, being a newbie in python …  |
 | Got Android? Then you had better be on top of your security smarts. With Android cornering more than 80 per cent of the mobile operating system market, it's no surprise that Android devices are the number one target for the mobile malware merchants. Kaspersky Lab reckoned that Android malware attacks … |
 | long waitingTime(vector<int> tickets, int p) { // bool flag indicates whether it's Jesse or not queue<pair<int, bool> > aQueue; for(int i = 0; i < tickets.size(); i++) { aQueue.push(make_pair(tickets[i], i == p)); } long long nTime = 1; while(!aQueue.empty()) { pair<int, bool> aItem = aQueue.front(); aQueue.pop(); nTime++; if(aItem.first == 1 … |
 | Hi guys; I'm new in python and thread ,i start learning by create a simple code but i find some defficult this code below have some function and thread also Queue function to share data between thread this is a part of my code: def PutChar(Ch): #ask user to put … |
 | 0 down vote favorite I have created a network scanner, that looks for a specific port on a range of IP's. I would like to thread the application but I am getting and error message ERROR: for worker in range(network.hosts): TypeError: 'method' object cannot be interpreted as an integer Now … |
 | Hello every One i have been trying this for a day but can't able to find out what i am doing wrong? Here Class proxy function which gives me access token and refresh token after user enter it's username and password by ajax request i send request to controller where … |
| | I have a one day old Macbook Pro. I tried to install PHP Zend Studio (which is what I use to code in). Everytime I try to run it for the first time after dragging and dropping it into the Applications folder, it crashes and this is what I get: … |
 | Hello. In my editor shows that there is a syxtax error in this function. Does anyone knows whats the syntax error? !function(i,t){var e=function(i,t,e){var s;return function(){function n(){e||i.apply(o,r),s=null}var o=this,r=arguments;s?clearTimeout(s):e&&i.apply(o,r),s=setTimeout(n,t||150)}};jQuery.fn[t]=function(i){return i?this.bind("resize",e(i)):this.trigger(t)}}(jQuery,"smartresize"),function(i){i.Gal=function(t,e){this.element=i(e),this._init(t)},i.Gal.settings={selector:".item",width:225,gutter:20,animate:!1,animationOptions:{speed:200,duration:300,effect:"fadeInOnAppear",queue:!0,complete:function(){}}},i.Gal.prototype={_init:function(t){var e=this;this.name=this._setName(5),this.gridArr=[],this.gridArrAppend=[],this.gridArrPrepend=[],this.setArr=!1,this.setGrid=!1,this.setOptions,this.cols=0,this.itemCount=0,this.prependCount=0,this.isPrepending=!1,this.appendCount=0,this.resetCount=!0,this.ifCallback=!0,this.box=this.element,this.options=i.extend(!0,{},i.Gal.settings,t),this.gridArr=i.makeArray(this.box.find(this.options.selector)),this.isResizing=!1,this.w=0,this.boxArr=[],this._setCols(),this._renderGrid("append"),i(this.box).addClass("gridalicious"),i(window).smartresize(function(){e.resize()})},_setName:function(i,t){return t=t?t:"",i?this._setName(--i,"0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz".charAt(Math.floor(60*Math.random()))+t):t},_setCols:function(){this.cols=Math.floor(this.box.width()/this.options.width),this.cols<1&&(this.cols=1),diff=(this.box.width()-this.cols*this.options.width-this.options.gutter)/this.cols,w=(this.options.width+diff)/this.box.width()*100,this.w=w;for(var t=0;t<this.cols;t++){var e=i("<div></div>").addClass("galcolumn").attr("id","item"+t+this.name).css({width:w+"%",paddingLeft:this.options.gutter,paddingBottom:this.options.gutter,"float":"left","-webkit-box-sizing":"border-box","-moz-box-sizing":"border-box","-o-box-sizing":"border-box","box-sizing":"border-box"});this.box.append(e)}this.box.find(i("#clear"+this.name)).remove();var s=i("<div></div>").css({clear:"both",height:"0",width:"0",display:"block"}).attr("id","clear"+this.name);this.box.append(s)},_renderGrid:function(t,e,s,n){var o=[],r=[],a=0,h=(this.prependCount,this.appendCount),d=this.options.gutter,p=this.cols,c=this.name;i(".galcolumn").width();e?(r=e,"append"==t&&(h+=s,a=this.appendCount),"prepend"==t&&(this.isPrepending=!0,a=Math.round(s%p),0>=a&&(a=p)),"renderAfterPrepend"==t&&(h+=s,a=s)):(r=this.gridArr,h=i(this.gridArr).size()),i.each(r,function(e,s){var n=i(s),r="100%";n.hasClass("not-responsive")&&(r="auto"),n.css({marginBottom:d,zoom:"1",filter:"alpha(opacity=0)",opacity:"0"}).find("img, object, embed, iframe").css({width:r,height:"auto",display:"block","margin-left":"auto","margin-right":"auto"}),"prepend"==t?(a--,i("#item"+a+c).prepend(n),o.push(n),0==a&&(a=p)):(i("#item"+a+c).append(n),o.push(n),a++,a>=p&&(a=0),h>=p&&(h-=p))}),this.appendCount=h,this.itemCount=a,"append"==t||"prepend"==t?("prepend"==t&&this._updateAfterPrepend(this.gridArr,r),this._renderItem(o),this.isPrepending=!1):this._renderItem(this.gridArr)},_collectItems:function(){var t=[];return i(this.box).find(this.options.selector).each(function(e){t.push(i(this))}),t},_renderItem:function(t){var e=this.options.animationOptions.speed,s=this.options.animationOptions.effect,n=this.options.animationOptions.duration,o=this.options.animationOptions.queue,r=this.options.animate,a=this.options.animationOptions.complete,h=0,d=0;r!==!0||this.isResizing?(i.each(t,function(t,e){i(e).css({opacity:"1",filter:"alpha(opacity=1)"})}),this.ifCallback&&a.call(t)):(o===!0&&"fadeInOnAppear"==s?(this.isPrepending&&t.reverse(),i.each(t,function(s,o){setTimeout(function(){i(o).animate({opacity:"1.0"},n),d++,d==t.length&&a.call(void 0,t)},h*e),h++})):o===!1&&"fadeInOnAppear"==s&&(this.isPrepending&&t.reverse(),i.each(t,function(e,s){i(s).animate({opacity:"1.0"},n),d++,d==t.length&&this.ifCallback&&a.call(void 0,t)})),o!==!0||s||i.each(t,function(e,s){i(s).css({opacity:"1",filter:"alpha(opacity=1)"}),d++,d==t.length&&this.ifCallback&&a.call(void 0,t)}))},_updateAfterPrepend:function(t,e){var s=this.gridArr;i.each(e,function(i,t){s.unshift(t)}),this.gridArr=s},resize:function(){this.box.find(i(".galcolumn")).remove(),this._setCols(),this.ifCallback=!1,this.isResizing=!0,this._renderGrid("append"),this.ifCallback=!0,this.isResizing=!1},append:function(t){var e=this.gridArr,s=this.gridArrPrepend;i.each(t,function(i,t){e.push(t),s.push(t)}),this._renderGrid("append",t,i(t).size())},prepend:function(t){this.ifCallback=!1,this._renderGrid("prepend",t,i(t).size()),this.ifCallback=!0}},i.fn.gridalicious=function(t,e){return"string"==typeof t?this.each(function(){var s=i.data(this,"gridalicious");s[t].apply(s,[e])}):this.each(function(){i.data(this,"gridalicious",new i.Gal(t,this))}),this}}(jQuery); |
| | I have the following socket connection codes. Where for every connection is one new thread. After receiving the data which is done via the producer then I put into a queue for next database processor which is the consumer. This works fine but the moment the queue gets build up … |
 | HI EVERYONE, I JUST WANT TO ASK YOUR HELP HOW TO CODE MY BUTTON IN VB.NET TO DISPLAY NUMBERS IN MY LABEL BOX TO THE ANOTHER FORM, I USED THIS CODE IN MY BUTTON " Queue.Label1.Text = Queue.Label1.Text + 1 ", but it shows only up to 9 and go …  |
 | I am attempting an extra credit assignment for a summer course. The question says : "Modify the client.c and server.c program from Assignment 1 to add the following function: when the client connects to the server, the client provides the name of a directory D to be retrieved in the …  |
 | Hi fellas I'm reading "Teach yourself C++" book by Herbert Schildt to learn C++. there is an example in chapter 10 which is tough to me. this is the code I'm talking about: #include <iostream> #include <cstdlib> #include <cctype> using namespace std; class list { public: list *head; // pointer … |
| | Everytime I try to post I see this message: Xandy, you do not have permission to access this page. This could be due to one of several reasons: Your user account may not have sufficient privileges to access this page. Are you trying to edit someone else's post, access administrative … |
| | Hello, I have been struggling with this project for several days. This is all about doubly Linked List and I have to add reverse section with given code in project. So far it was doing good. I learned a lot from this but the only thing I had issue is … |
| | #include <iostream> #include <iomanip> #include <stack> #include <queue> #include <vector> #include <fstream> using namespace std; class graph { public: graph(); graph(int); //graph(int, int); void setEdge(int src, int dst); void printGraph();//print graph void bfs(int);//Breadth First Search void dfs(int);//Depth First Search void bfsSpan(int);//Breadth First Search Spanning Tree void dfsSpan(int);//DepthFirt Search Spanning Tree … |
| | Hi, I needed some assistance on this program I am working on. First its about putting airplanes into gates, if no gates are open the print airport full. Right now mine simulates all the arrivals and departures. I show it put it will change when I implement the Stack. The … |
 | hi! I haven't been here in a while, but i'm glad you're still around since I need some help! I've got to implement a round-robin simulation of process execution. I've decided to do this in VB.NET because it's my strongest language and it's a difficult concept! I've got some of …  |
 | [B]Expression evaluation using Emit[/B] This class was designed to evaluate simple mathematical expressions. But instead of developing a routine to do the calculating, we use Emit to dynamically build a method that does the math for us. IMPORTANT: This is done with integer math. 7/2*3 = 9, not 10.5 (or … |
 | I'm working (rather beginning) on a Huffman tree. I think I've run in to a problem for time complexity. Huffman trees are supposed to be fast in most ways. As I prepare to build my tree, I have three for...next loops in separate methods. I think that could be very …  |
| | I'm looking for an algorithm, pseudocode or any langauge, to generate random numbers with the following characteristics: integer values in the range 0-n lower values much more likely to happen than higher values, eg prob of 0 is n/(n(n-1)), prob of n is 1/(n(n-1)) - linear relationship between value and …  |
| | Hi, I would like to learn dbus as i encounter it more in my daily work.The problem is that the applications already using it are very complex and there is very less scope to understand exact use of DBus communication. I know other IPCs like message queue, socket etc, the … |
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