43 Solved Topics
Remove Filter  | |
 | I have been using my HOSTS file for years to dummy out ad sites by adding entries like 127.0.0.1 www.ukbanners.com A while back I installed [Unchecky](https://unchecky.com/), a program which automatically unchecks all of those software extras that some installers like to enable by default (like McAfee). Today I noticed nthat … |
 | Hi, I am facing an issue in string to const char pointer conversion. I am doing stuff in the fun() but here i am just giving my example. Here it the code: // Helper function string fun() { string abc = "Daniweb"; // print here #1 return abc; } // … |
 | I have a char array which need to check each and every character untill there is no more character to check, so in C usually we write as: for(i=0;my_num_Array[i]!='\0';i++) { // some code here } But when i tried the same for java it isn't working! Any idea what should … |
| | Guys I want to insert a Null dateTime Value into SQL database connected to C# desktop application. I'm using following code. I can insert Null dateTime Value into database, but I am having problem with how to update dateTime picker value and saving it into database.. I'm posting my code … |
 | Ok, here is what I get when I run the query. 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near newmessage`int(4) unsigned NOT NULL DEFAULT `0`,`companyi' at line 4 Here is what … |
 | I'm writing a routine where the user can populate up to 8 textboxes with numbers. Since there is potential for these numbers to be unsorted, I want to sort these prior to saving. However it's probable that all of the textboxes will not be used. My challenge then is how … |
 | Hi All, I'm not sure if this is a technical issue, preference or a question about best form. I have a 'users' table and a 'contacts' table. 'users' and 'contacts' have no direct relation. Both contain an email address for each record in their own table. I want to send … |
 | Hi, How to use in select statement with where condition comparing a Null value and with value? I have this Statement `Select Col1, Col2, Col3 From Table where DateDeleted` 'Here comes the problem The condition is something like if DateDeleted (which is actually a date) is Null then get records … |
 | I created a custom 'text menu' that should print each String passed to it. This is the class: package com.github.geodox.areacalculator.menu; public class Menu { private static int index = 0; private static String[] menuItems; public void addItem(String menuItem) { menuItems = new String[index+1]; menuItems[index] = menuItem; index++; } public void … |
 | Hi All, I got this code from a forum & tried it on g++/Linux. In the code below i put NULL to a pointer variable but didnt get any errors. #include <iostream> using namespace std; class A { private: int _dmember; public: void func() { cout<<"Inside A!! "<<endl; cout<<_dmember; // … |
| | Hello all, I am stuck with a nullpointerException at line 41 and 60.Can someone please help me out.any kind of help will be appreciated. Thanks import javax.swing.*; import javax.swing.event.*; import java.awt.Color; import java.awt.*; class calenders extends JFrame { int i=0; int j=0; int k=0; JFrame jf; FlowLayout fl; JPanel jp[]; … |
| | I know I am probably over thinking this but I cannot seem to figure this out. I am trying to check if the value is null and if not to continue. /** * */ public Item getItem(String theItem) { Iterator iter = myItems.iterator(); while(iter.hasNext()) { Item anItem = (Item) iter.next(); …  |
 | Hello, so I was trying few relations between tables and I noted an unexpected behaviour when using `group_concat()`. Let say I have three tables: fruits, fruitstock and fruitprices. These are the structures: create table fruits ( id tinyint unsigned not null auto_increment primary key, name varchar(50) not null, quality varchar(50) … |
| | Hi I have a set of Checkboxes each with a Textbox next it to. I have the following code, which is meant to loop through each CheckBoxe and if checked if gets the text contained in the textbox, these are linked through the tag of the checkbox, i have used … |
| | When I click the login button I never get any values posted to the server. I accept a AuthViewModel but it is always null. I have tried using @html.EditorFor but have not had any luck with it. **User Controller** [HttpGet] public ActionResult Password() { UserModel user = (UserModel)Session[Constants.SessionVars.Authenticate]; //error - … |
| | I always getting this error in my dropdownlistfor: Value cannot be null. Parameter name: items View code: @Html.DropDownListFor(model => model.SiteId, new SelectList(ViewBag.ListSiteClass, "SiteId", "SiteName"), "", new { @onchange = "GetSiteid(this.value);" }) Controller Code: [HttpPost] public ActionResult Create(ServiceDTO ms, FormCollection form) { if (ModelState.IsValid) { int sid = ms.SiteId; ServiceDAO.Insert(sid); } … |
| | Hi all I have an Access database Table and one of the columns has a date value the column name is closing. I would like to do an order by closing asc the null values are allways on top and I would like it to be at the bottom. I … |
 | how to get null field value from access in vb6 in my 2 record field the value is empty but i'm not able to get that empty field in vb6 ... .... set rs = new adodb.recordset rs.open ("select * from table1 where id = '2'") text1.text = rs!name please …  |
 | Hello all. So I have a little problem with my school project. We are to create a snack machine with cookies and mints and interact with it using a GUI. We click the add Mints or Cookies button to add to the 'Snack Machine' and then click buy to purchase … |
| | Ok. As the title says I tried many times to simply write a program that rewrites a file to remove null characters. I confirmed with a hex editor that the file in question has tons on null characters, on average about 1 of every 2 characters in null. So my … |
| | class Account { Long accNum, pwd} public class Banker { public static void main(String r[]) { new Banker().go(); // do more stuff } void go() { Account a1 = new Account(); a1.accNum = new Long("1024"); Account a2 = a1; Account a3 = a2; a3.pwd = a1.accNum.longValue(); a2.pwd = 4455L; } … |
| | #Code for INSERT INTO into database and if fields are null, it will prompt for null fields.# |
 | HI i have this error null reference i don't know why Imports System.Data.SqlClient Imports System.Configuration Imports System.Configuration.ConfigurationSettings Public Class Form1 Private ConName As New DataAccess Private Sub cmdconnect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdconnect.Click Dim conn As String Dim m_server As String Dim m_db As String m_server … |
| | Hello all, I am currently trying to insert a 0 value into a single field. The value is originally set to 1 and I would like to set it to its default value of 0. How would I go about doing that? The code I have works for other things, … |
| | So i dont know why i am getting this error, here are my 3 classes plus the tester edit: I get the null exception after i run the program, --------------------Configuration: <Default>-------------------- Exception in thread "main" java.lang.NullPointerException at University.offerCourse(University.java:35) at StudentCourseTestProgram.main(StudentCourseTestProgram.java:53) Process completed. [CODE]import java.util.*; public class Student { private String …  |
| | Hi all I m trying to filter a sql db with many filter criteria which inert the user in textboxes .. i ve tryed this query [CODE]query = "Select * from T_INCIDENTS1 where IFF (txtPostcode.text is notNull) then Incident_Postcode='" & txtPostcode.Text & "') and iff (txtDMA.text is notNull) then Incident_DMA='" … |
| | I had to make a arrayList and i do not know why is it not working [CODE]public class ArrayList<E> { private E[] theArray; private int size; private int capacity; public ArrayList(int initialCapacity) { this.size = 10; this.capacity = initialCapacity; theArray = (E[]) new Object[initialCapacity]; } public ArrayList() { this(1024); } … |
| | Hi all! I try to filter a datagridview and I wrote an sql statement for that reason. The problem is that although I achieved to have multifilter I can find how to make my cod ignore the criteria which are null (empty criteria, when the user doesn t give any … |
| | Hello, i am a newbie on php programming and try working on my last project in my school. My program is to compare 2 different xml file, it working well at first. but when i tried to add more xml file to compare, the page keeps telling "Fatal error: Call … |
| | hi all, when my codes ran at localhost, it doesnt have any error, however when it runs in a server it gives 'Column 'member_id' cannot be null' [CODE] //retrieve form data $start_date=$_POST['start_date']; $end_date=$_POST['end_date']; $project_name=$_POST['project_name']; $project_description=$_POST['project_description']; // open connection $link = mysqli_connect($host, $user, $pass, $db); $query = "INSERT INTO project(project_name,start_date,end_date,project_description,project_status)VALUES('$project_name','$start_date','$end_date','$project_description','available')"; $result … |
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