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 | Hi guys im using VisualStudio2017 to make a chat program from a youtube video i keep getting an error and wondered if one of you might be able to help me out. Exception thrown: 'System.InvalidOperationException' in MySql.Data.dll The code: Imports System.Security.Cryptography Imports System.IO Imports MySql.Data.MySqlClient Module Con_Add Public usernamefriend As …  |
| | I have an error with the registration form, when someone registers or connects it gives me : Warning: mysql_num_rows() expects parameter 1 to be resource, null given in \public_html\include\global.php on line 37 Warning: mysql_fetch_array() expects parameter 1 to be resource, null given in \public_html\include\global.php on line 38 Warning: Cannot modify …  |
 | My main download page passes an id number for the file to be downloaded. In the mydloader.php (located in the download folder), I have a pdo sql query to set $l_filename to the filename in the database. I need to use $l_filename in <a href to download the file. My … |
| | Write a program that checks the pressure of soda cans coming from a production line using a function. For each soda, the pressure value must be CLOSE to its ideal value. However, due to manufacturing problems the pressure value from can to can. First, the program will read the number … |
 | create table dummy{id int ,invoice int } insert into dummy values(191,10),(192,11),(193,0); I have to update 193 with invoice 13 but i want to fetch max invoice and then increment invoice by 1 for 193 . i had tried update dummy set invoice=(select max(invoice) from dummy)+1 where id=191. It wont work … |
| | hello.. can anyone help me to converting this algorithm to High Level Language C++  |
| | Rick is really fond of fruit juices, but he is bored of their traditional flavours. Therefore, he has decided to mix as many of them as possible to obtain something entirely new as a result. He has N glasses, numbered from 0 to N-1, each containing a different kind of … Programming java javascript mysql python sql |
| | Hi guys, my siema slider plugin is not working in the jquery tab, everything i switch my tab, my image slider unable to slide image, only if I resize my browser and the slider image will function back again. Below there is a demo codepen link, hope i can get … |
| | hey every one thank you in advance i have a jason resonse befofe the start of the json respone i get a hyphen like this i have been stuck for a day here so any help is much appreciated -{ "responseCode": "", "responseStatus": "200", "responseMessege": "Success", "product": { "id": "60", … |
 | so i have <?php ob_start(); session_start(); ?> <form action="upload.php" method="post" enctype="multipart/form-data"> <input type="file" name="file"><br><br> <input type="submit" value="Upload"> </form> <?php $file_name = $_FILES['file']['name']; $file_size = $_FILES['file']['size']; $file_type = $_FILES['file']['type']; $tmp_name = $_FILES['file']['tmp_name']; $error = $_FILES['file']['error']; if (isset($file_name)) { if (!empty($file_name)) { $location = '/user/'.$_SESSION['Username'].'/'; if (move_uploaded_file($tmp_name, $location.$file_name)) { echo 'Uploadat!'; } … |
| | Question is: Create a class Employee with following constraints in mind: 1. Declare three private data members named id,name,NIC of int,string,long respectively. 2. Overload stream insertion and stream extraction operators. Implement a global function named saveData, that'll allow the user to enter any number of employee's data and store it …  |
| | Write a C# console program that allows the user to edit an address book by displaying the following menu to the user: 1- Add New Address 2- Delete Address 3- Modify Address 4- View Address 5- Quit when the user enters 1 the program just displays "You wish to add … Programming c |
 | Hi! I have used Google translate web API many times in my java applications for dynamic translation into different languages (e.g printing a receipt in Hindi,Urdu or French Language.) But now I want an API or Jar file to translate text to different languages Offline. I have searched a lot … Programming api google-api java |
| | So, basically this code is for a Tic Tac Toe game, I'm trying to make a Singleplayer mode where Player 1 inserts a spot number to put his X, and Player 2 uses a random number generating function and assigns his O in a random spot. Everything works fine except, … |
| | Which programming language used for the below url? How to know the programming language of particular website? htt ps ://www.f orm1099onli ne.com/ |
| | // c program to add 10 elements entered by the user #include <stdio.h> int main () { int i; float elements[10]; //declaring the array float sum = 0; for (i = 0; i < 10; ++i) { printf ("Enter element %d: ", i + 1); //getting the elements from the … |
| | public static void main(String[] args) Scanner.sc=new Scanner(System.in); String name = new String(new char[30]); final String pizza1 = "Chicken Fazita"; final String pizza2 = "Chicken Bar BQ"; final String pizza3 = "Peri Peri"; final String pizza4 = "Creamy Max"; final String roll1 = "Chicken Chatni Roll"; final String roll2 = "Chicken … |
| | Hi guys. I want your help to convert this program from c++ to c language The question is :-A manufacturer wishes to determine the cost of producing an open-top cylindrical container. The surface area (of the container is the sum of the area of the circular base plus the area … |
| | from socket import * #Start test() def test(): #Specify the port serverPort = 80 serverSocket = socket(AF_INET,SOCK_STREAM) serverSocket.bind(('',serverPort)) #Listen for the 1 connection serverSocket.listen(1) #Print the port address print("web server on port",serverPort) #Start thw while loop. while True: #Establish the connection. print("ready to serve") #Create connection socket for accepted client. …  |
| | This is the scenario: **User A:** Access the website and choose a questionnaire. The questionnaires are separated on different pages in the same domain, for example: **Home:** "surveys.com" **Questionnaires:** "surveys.com/type1" "surveys.com/type2" After choosing one, he (**User A**) puts the following information: **1** = Recipient's email **2** = His email And …  |
| | I want to create a webpage which will automatically send an email before 2 days. <form action="try.php" method="post"> <p>Date From : <input type="date" name="date1" /></p> <p>Date To: <input type="date" name="date2" /></p> <input type="submit" name="submit" value="Submit" /> </form> <?php // echo("First name: " . $_POST['firstname'] . "<br />\n"); echo("Last name: " … |
 | without use DirectX, how can i get rendering\graphics speed? i created an Image class that uses DIB's... but something seems wrong for i draw in a pixel way.. too slow, maybe because i'm trying getting the line, 3D, points. maybe someone can give me more info: Friend Sub DrawImageRectanglePoints(DestinationHDC As … |
| | i have 1 function that give me an array of a line points... on these array, how can i get the array size without using the UBound() and LBound()? |
| | when I read FutureTask's run method, I found it use cas to set runner variable， public void run() { if (state != NEW || !UNSAFE.compareAndSwapObject(this, runnerOffset, null, Thread.currentThread())) return; try { Callable<V> c = callable; if (c != null && state == NEW) { V result; boolean ran; try { … |
| | Hi everybody, I'm having a little problem with finding sum of nested list in Prolog. So far what I have is [ICODE] totalSum([],0). totalSum([H|T],S):- totalSum(T,Sum), S is Sum + H. totalSum([H|T],S):- totalSum(H,Sum1), totalSum(T,Sum2), S is Sum1+Sum2. [/ICODE] With first two predicates, I have no problems getting sum of not-nested list. … |
 | Hello, I'm new into PHP. Just migrated from Java recently. I'm trying to make a conversion machine that conver number to romans number. Here is the code I wrote : !DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Latins to Romans Conversion</title> </head> <body> <h2>Latin to Romans … |
| | Create a dialog box and add text entry box and colour to the dialog box and text using wxpyton |
 | hi there i have an XML file wich contain some music information in a node and i would like to insert more i would like to add more node on demeand when i do i receive this error HIERARCHY_REQUEST_ERR: An attempt was made to insert a node where it is … |
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| | These is a project that a guy shared on GitHub that has all the information(code) for creating a windows application. That app will receive data from an arduino uno and change it into g-code for a post processor Mach3. I can use his app(exe.) with no problems, but I would … Programming github operating-system visual-basic |
 | Sir I have installed JAVA 15 windows 7 64bit  I want to ask what Microsoft JDBC Driver for SQLSERVER 2014 should I download. Please |
| | HELP ME IN MY BUS RESERVATION PROJECT I NEED TO HAVE A CONDITONAL STATEMENT IN MT SEATING ARRANGEMENT FOR EXAMPLE IF THE SEAT NUMBER IS ALREADY SELECTED IT WILL POP UP THE SEAT IS ALREADY SELECTED I USE THE COMBO BOX FOR THE SEAT NUMBER  |
 | Hi. I'm trying to set up an AMP system on my machine. It's called UwAmp. Anybody there to tell me how to setup the MySQL in this thing? Thank you |
| | Dear Friends, I have add resource file with number of images to my project. My question is, after deyploment and setup of the windows base application, i cannot I find resources file on the client pc, but the pictures are visible? Thank you in advance, André |
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| | So, basically what I'm trying to do is a Tic Tac Toe game for a project. I started with making 3 1-D Char Arrays to represent the game's bord. the code below compares the Arrays data to try and figure out if any of the winning possibilites were achieved by … |
 | Hello guys, I'm new to VB.Net programming and Daniweb community as well. I'm developing a software in VB.net. But the problem is that I don't know how to create Invoices after taking the Sales Order. I'm in an urgent need of your valuable help you could provide me. Thanks in … |
| | Write a program simulator that will compute for the average waiting time of each customer in a bank. Also the program will indicate the number of the teller who accomodates the customer. Assume that the bank has 3 teller that may be accomodate the customers. The first customer to arrive … Programming |
 | I am developing an android app for the first time and I wanted to make the sessions for login and logout. I saw that most of the people suggested using SharedPreferences. But how can I check if the user logged out? If the user does not and clicks on my … |
| | Hello all, I am fairly new to Java, and have had a terrible time with arrays thus far. I am attempting to complete a project using arrays to store inventory items (item number, name, unit price, and unit numbers) and need to output information using an array to hold the … |
| | I want to create a tool for my website that convert word document to html form and vice versa. I don't know the process how it works. I wnat to make it in JS, PHP or codemirror. I dont know how and where to start. Thanks. |
| | i just want to create a update form by using modal but when i click the button update nothing happen no popup appear or did with a wrong ways? i already change the position of the end curly braces but still not working. Any ideas? here is what i working … |
| | Good morning, I state that I am a beginner, I kindly need help from you. I made a page containing a form that submits data to a database. Everything works perfectly. I would now need to send the data to my email address at the same time. The form contains … |
| | Hello, i have some problems with my c code, could you help me? it's returns randomly numbers for averages. #include<stdio.h> #include<stdlib.h> struct Student MStudent(struct Student std); void CalcAvrg(struct Student std); struct Student{ int mark[5][5]; }; struct Student MStudent(struct Student std){ int i,j; for(i=0;i<5;i++){ for(j=0;j<5;j++){ printf("%d. Student's mark for %d. exam …  |
| | Good day, I am actually a young programmer, who wants to develop a webpage that enables someone to take a practice test. It was given to me as an assignment that determines if I will remain a programmer. I know little about PHP codes but none in Mysql. I came … |
| | Currently trying to understand how to convert some C into mips. Is a "return func" different from "return"? Both C codes are very similar yet im unsure how they will both look in code once completed. Are both of these codes the same? The second code is from another thread … |
| | Does anyone know of an automated tool that will convert a lot of jQuery code to native javascript? I think the bulky jQuery library is really slowing down my site but manually converting all my code seems very daunting. Ideally there would be something that was so flawless I could … |
| | HI , First at all i'm a newbie and sorry if this a dumb question. i want to create a form that only can be submitted once per day by each user, each user has thier own id. My question is how to create a process that will check if … Programming php |
| | I have 3 radio buttons on my form A , B , C but when i clicked on A radio it shows specific dropdown which get data from database table but by fruitid 1 and when i clicked on B it will show data fruitid 2 as onnword. i need … |
| | The user is going to enter the product number, then the program must be able to open the file, read the information of a inventory in the company, capture the information into an structured array and display the specific product with its information in the labels. all this using a … Programming asp.net data-structure vb.net  |
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