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| | I'm making a class dataset. In it, I'm trying to set the minimum max and the mean. In my given test, I am asking the user to input as many grades as they would like so what I did, for example in minimum is this.. class Dataset(object): def __init__(self, grade): …  |
 | Good morning strangers! I haven't posted in a while, but you always seem to be helpful... I have an application that uses SQL as a back-end to store data so that multiple users can access it at once. The question I have is, the requirements have changed and the SQL … |
| | At the moment I am trying to decide which book to buy, there are many that I think would be very interesting, but some are most likely beyond me. The books in my list, along with my thoughts on them are: Concrete Mathematics (I believe this is probably too advanced … |
| | max <- 0 for(i in 1:1000){ x1 <- runif(1:10, 1) x2 <- runif(1:10, 1) x3 <- runif(1:10, 1) z <- (exp(x1)+x2)^2 + (3(1-x3)^2) if(z > max) max <- z } print(max) This has to print maximum number between 1 to 10000 and 'z' is the formula. I am getting error … |
| | combo box: how to get values associated with it..please help in minutes please.....:-|  |
| | Hello daniweb community i'm new here and glad to join this amazing website. Well want I need to understand is how I learn to become a competent computer science major and learn to write code very well. I have always had a knack for this and I love it alot …  |
| | Hello, having a hard time using my Faculty class, where I have to initialize/createObject from my Education class to Faculty. I would like to use the constructors from the Education class, to be implemented to my Faculty class. Here is my attempt Here's my two codes. public class Education { …  |
| | Hello! So recently I have written a lexer/tokenizer and am working on a parser for a language with a friend. At this point everything is going great but I'm beginning to think about how I want to do code generation. Are there languages or systems that generate for example C …  |
| | I want to make a call list for sales person from the companies table. Want to start with a certain companyid = say 1002 and add 50 records to call. Stumped as to assign companyid as firstrow? and lastrow=companyid + 50 ? I know how to assign it to the …  |
 | HI I am trying to make a dll file that performs its tasks using CUDA library. Here is a simple version of my code: CUDADll.cu ` #include <iostream> #include "cuda.h" #include "cuda_runtime.h" #include "device_launch_parameters.h" __global__ void test(int a, int b, int* c) { *c = a+b; } extern "C" __declspec(dllexport) … |
| | Hello! I am having a bit of a hard time figure out how to code this thing.. I have just started coding by using windows form application and need some help.. I have successfully coded so that I can open a txt file without any problem, but it is reading … |
| | I have a tab control with three tabs and I have added a datagridview to each of the first two tabs at design time. Programatically, when the second tab is selected, I am attempting to create columns and add them to the datagridview on the second tab. However, they show … |
 | Hi, I am trying to call the borland C++ DLL from VS 2005 .But its giving Linking Error. Tried teh below one still its not working , Extract the DEF file from DLL converted the DEF to LIB file. Any one have any idea ? Thanks, Angelin  |
 | Please help to complete beginner in programming. I work with binary stack of 2 pictures and here is the plugin I use: import ij.*; import ij.plugin.filter.PlugInFilter; import ij.process.*; import java.awt.*; protected ImageStack stack; public int setup(String arg, ImagePlus imp) { stack =imp.getStack(); return DOES_8G+STACK_REQUIRED; } public void run(ImageProcessor ip) { … |
| | Hi, i'm working on a system rate analysis.I just worte the code using oop. i worte a code that inserts a record into the database.when i try to insert a data nothing happens.Please fix my code. //this code is defined in a class Public Function AddWorkItem(ByVal workitemNumber As String, ByVal … |
 | I have created a method that changes individual rows back color based on certain criteria within the grid. I have noticed that when clicking the column headers that the grid resets the formatted rows. I would like to know what the best solution would be without impacting performance.  |
| | For some reasone everytime I enter either correct mine or someone else's valid email and password, I get message: Sorry, your credentials are not valid, Please try again. What is wrong with this form? |
| | So I'm trying to validate dates and I have this else if "bool" that always returns false. I've written this at least 10 times and can't get it to work. When I comment everything out and only try one if at a time they all work. I know it's semantics, … |
| | con = Connect.ConnectDB(); String sql = "insert into table1 (" +"StudentID," +"FirstName," +"LastName," +"Contact Number," +"E-mail address," +"CarNumber)" + "values("+txtid.getText()+ ",'"+txtname.getText()+"','"+txtlast.getText()+"','"+txtnumber.getText()+"','"+txtemail.getText()+"','"+txtcarno.getText()+"')" ; try{ pst = con.prepareStatement(sql); pst.execute(); JOptionPane.showMessageDialog(null, "Saved"); } catch(Exception e){ JOptionPane.showMessageDialog(null, e); } can any one help me with this? im getting syntax error in insert into statement …  |
| | Hi guys first off excuse me if this seems noobish but i usally work in php and MySQL with some c++ a friend asked me if i could make a database application that wasn't web based for them so after doing some research i found this http://www.youtube.com/watch?v=3w2JkLcp-UA which works like … |
 | I have here a working HTTP request using SOCKETS but I do not know how to send POST requests. Here is my code: Dim hostName As String Dim hostPort As Integer Dim response As Integer Dim iphe As IPHostEntry = Dns.GetHostEntry("www.yellowpages.com") hostName = iphe.AddressList(0).ToString() hostPort = 80 response = 0 … |
| | I bought a book to help me learning WCF. Lots of people complained that the book was written for VS 2005 at first then there was a reprinting for VS 2008. What it seems is that the code for VS 2005 would not work in VS 2008. I'm wondering why? … |
 | Hi. how do you make a registration system using turbo C++? like for example: when i run the program i will register my username and password and my information(user and pass) will be saved. So that when i log in. i will just input my user and pass, and i …  |
| | hi all, how to Get country, state, zip code and Latitude and Longitude from an ip address? Thanks, kk |
| | I hava created one table with columns in html in which i had customername and some columns, now myrequirement is when i click on any customer name of the customerName column from my created table i want to get particular customer details in new jsp page plz help me,Thanks in … |
| | > I want to create a program that will calculate the day easter will be on. The user will type in a year and then the program should calculate the day easter will be on. I'm having trouble understanding the if/else and how i can use that with the code …  |
| | how to do paging when data appears in the DataGrid is too much? thanks, |
| | i really need your help and really fast. i've been working on this project where i am supposed to create a simulation of conway's game of life. A cell can only be in one of two states: alive or dead. There are two kinds of cells: ConwayCells and FredkinCells. Live … |
| | So far I can compute and update seperately a specific row when type it in a text box. What I want now is to read and update rows automatically up until the last record. Imports System.Data.OleDb Public Class Form1 Dim MyConnection As New OleDbConnection("provider=Microsoft.ACE.OLEDB.12.0; Data Source=G:\Raw Data.xlsx; Extended Properties=Excel 12.0;") … |
 | ok we know that .net app cannot be directly converted to machine code, first it si compiled to MSIl which is converted to machine specific code by JIT on request, once but what about asp.net app ? e.g. i decelop a web page and put it on my laptop (working … |
| | When I type URL file://///server01\PUBLIC\PEG\ in browser address bar, browser redirecting to that location and shows the documents available. But when I use same url in href browser not redirecting to the href location. <?php echo '<a href="file://///server01\PUBLIC\PEG\">click here</a>'; echo '<a href="file://///server01/PUBLIC/PEG/">click here</a>'; ?> php code is not working. When …  |
| | can i host a website from my laptop ? like i have developed a lot of web sites and few are online on servers via free hosting sevice but if i want to serve it from a laptop, so it possible ? i mean making my laptop a live server … |
 | Hello, I'm trying to move listView items (1 selected item only) up & do, but only inside the group, I've trying and search but haven't been able to quiet figure it out, this is what I got so far: Just for going up: if (this.listView1.SelectedItems.Count > 0) { ListViewItem Selected … |
| | Evening Sirs! Well I have a quiet emberrassing problem caused by i don't know what, but I would like to get rid of this issue. I have a login with session open every .php document. But when I try to open the following file, it stops my session. This is … |
 | Hey Guys! I have to read data from a text file, load it into an array and then bubble sort it! Here is my code: #include <iostream> #include <string> #include <fstream> using namespace std; void Bubble_Sort(string arr[], int length); int main() { int length; length=10,000; ifstream MyFile; ofstream out; string … |
 | Hi there, I created a basic website running off Wordpress. I then customized the theme. The website is up and running, fully functional. But now when I try to login to the Wordpress dashboard to edit the pages, I see a blank white page with this error: Warning: Cannot modify … |
| | I have a question hw can i ad 18 years to the folowing date $rowy_geboorte_datum = new DateTime($rowy['geboortedatum']); $geb_dat_echtgenote = date_format($rowy_geboorte_datum, 'd-m-Y'); $rowy['geboortedatum'] is from a mysql data table and could even before 1902 as example 1820-06-10 thanks in advice John |
| | whenever i open phpmyadmin it showing that access denied and #1045 - Access denied for user 'root'@'localhost' (using password: YES) phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they … |
| | I'm about 80% into my first attack on JQuery/AJAX... how would one correctly write this function: function reloadResponses(){ $('#responses').load('pages/community/load-responses.php?id=<?php echo $id;?>'){ window.setTimeout(reloadResponses, 10000); }; }; I would like to reload `<div id="reponses"></div>` every 10 seconds. Is this the best way? I am currently using this to reload the div every … |
| | Hi need some help. Some time ago I created a database and tables doing a tutorial. After I deleted the tables(don't remember why)and now all I have is a database with no tables. Trying to clean up my db I wanted to drop the DB but get this error: ERROR … |
| | Hello everyone, I have a problem, i am unsure how to read the data from my Access Database into my vb.net form. I did some searching but i didn't manage to find anything useful so i would appreciate any pointers. Here is the code from frmAddNewCandidate i am using that …  |
| | Hey guys, this is my solution to a simple problem and I was looking for some feedback on my code. Please post any criticism you may have about it. //Test project for string to binary conversion// #include <iostream> #include <string> using namespace std; void binConvert(string ConvertMe){ int ArraySize = ConvertMe.length(); …  |
 | Factorials get large very rapidly. The factorial of 13 is !13 = 1*2*3*4*5*6*7*8*9*10*11*12*13 = 6227020800. This number already exceeds the unsigned long integer, and gets into the real money as the politicians say! This program uses an array of characters to store the factorial as a numeric string. Go ahead, … |
| | Hello , I'm in some trouble regarding the following code.I must state first that I'm a beginner in programming, and that I've tried to understand other solved solutions before crying for help , but with no luck.Had tons of errors and a lot of frustration ; almost gave up(work on … |
| | i am getting result of average in int instead of float, tell me where i have made mistake. this is the code. #include<iostream> using namespace std; void getData (int a[], int s); int numbersSum (int a[], int s); float average (int sum, int size); int main() { int size=0; int … |
 | im making a system that will notify me when one month before its expiration. anyone can give me an idea??pls pls pls?? thanx |
| | 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'm inserted a image in sql server2008 as varchar(max).How to retrive in Data Grid view photo column ..i need code ...i tried many ways still getting Confused.  |
 | Newbie to programming side..I want to know the best CMS to develop a website..Thanks in advance.. |
| | Hi Folks, I want to use windows authentication for java application for eaxmple: I have a application called ABC , now i want to apply windows authentication for this ABC appliation like when user hit the application URL the user should login automatically with out prompting any user name and …  |
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