4,457 Topics
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 | # Introduction # A recurring problem many newcomers face when tackling C++ is the compilation process, from sources to binaries. This tutorial will detail that process. It will be especially useful for people only familiar with higher-level languages (if any), but veterans of one or more native languages (C, Fortran, … |
 | Hi Guys I am coding as very simple database in VB.net. I have decided to manually code my buttons but for some reason my save button returns with an error. Below is my code for my entire program (I know its not perfect). This is the error i Get: An … |
 | I am calling function (i don't know, if this code is really called function.. so please correct me if i'm wrong) to disable the fields except for buttons and other necessary information needed during form load. But my problem is, some fields are not disabled. My application goes like this: … |
| | 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 … |
 | According to a [SecureList posting](https://securelist.com/blog/69462/darwin-nuke/) dated April 10th, researchers Anton Ivanov, Andrey Khudyakov, Maxim Zhuravlev and Andrey Rubin discovered a vulnerability in the Darwin kernel back in December 2014. Why is this of interest? Well, the Darwin kernel is an open source part of both the Apple operating systems. The … |
| | I'm having trouble with my pagination using grid view if the datasource is in Page_Load event. But when I manually use the GridView -> choose datasource in its property, I don't have any problem with the pagination. I'm using the Page_Load event because there are some parameters. Please help and …  |
| | my website is like domain.in if i open this website the innerlinks are showing like domain.in1/. My domain is registered in godaddy.com, and their is no source link like domain.in1/about/. so please anyone help me to solve this issue. |
| | One of my first programs was coded on paper tape. Another was via punched cards. I foresaw amazing stuff, e.g., artificial intelligence, models for weather, space travel, etc., but never imagined we would come this far in only 60 years. I now have a programmer son who wants me to …  |
| | Authors of PVS-Studio static code analyzers offer programmers to test their sight and to try finding errors in C/C++ code fragments: https://software.intel.com/en-us/blogs/2015/04/24/lets-play-a-game-find-bugs-in-popular-open-source-projects  |
| | Hello everyone, Dim SI As String = "" SI = CheckedListBox1.SelectedItem Dim TextcommandSQL As String = "" Dim myCOLUMN As String = "" myCOLUMN = ComboBox1.SelectedItem TextcommandSQL = "SELECT * FROM test_table where " & myCOLUMN & " = " & SI MsgBox(TextcommandSQL) Dim con As New SqlConnection con.ConnectionString = … |
| | hello, i m working on connecting sqlData with C# form showing data detail on text boxess like ID,name,occupation.and doing the search by entering the ID on textbox then clicking the button to show the details i'm just a beginner in C# so i did the the coding like this and … |
| | HI I have vb.net with ms access database application. I want to create log in form Here is my code but when enter the details and hit Login button it says"datatype mismatch error" Dim con As New OleDbConnection Dim cmd As New OleDbCommand Dim rd As OleDbDataReader con.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data … |
| | i am trying to develop a humain ressource management application with php, html 5 and jQuery the access to this application must be with a login and password, below the source code of two scripts i have developed to ensure access with login and password to the application (login and … |
| | According to new research from Venafi, apparently some 74 percent of 'Forbes Global 2000 organizations' (or the big boys of business if you prefer) have yet to properly secure their public facing servers against the Heartbleed OpenSSL threat. That's a year after the thing broke for goodness sake! Venafi found …  |
| | ** # i try to insert 10 record under the field year and actual data but only the first text from text1 is entering inside # ** provider = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source =" dataFile = "db7exmpl.accdb" connString = provider & dataFile myConnection.ConnectionString = connString myConnection.Open() Dim str As String 'str = …  |
 | Hi, how to plot a chart from imported excel in Datagridview? I tried the tutorial from [HERE](https://www.daniweb.com/software-development/csharp/code/492766/display-excel-data-in-a-datagridview), but I do not know how to plot the chart. Previously, I used MS.Access for my Datagridview, then I manage to choose the Datasource. But, for this case, I imported an excel and … |
| | I have a chart that is being populated from a query in the vb code but when the chart is displayed there is an extra x-axis grid tick. How do i get the x-axis grid to only display the number of items being returned? **VB code: ** Public Function CLGenerateRevenueHistoryChart() … |
| | I'm printing some strings to the output console to visualise an array, so I'm looping though a string array and using `Debug.Write(array[x,y] + "\t")` etc... All was fine before I went to bed, and the output was fine, like this. "type-b flat three core 29/03/2015 23:34 6 £13.65 wire grade" … |
| | Hi guys, I am a new member to the group. I am trying to build an inventory management application using VB.net 2008 express edtion and MS access 2007. I have managed to load the Combo box (cmID) on form(frmSales) with product Ids from tblProducts. I have two textboxes on the … |
| | Title: The core of the core of the big data solutions -- Map Author: pengwenwei Email: pww71@sina.com Language: c++ Platform: Windows, linux Technology: Perfect hash algorithm Level: Advanced Title: The core of the core of the big data solutions -- Map Author: pengwenwei Email: pww71@sina.com Language: c++ Platform: Windows, linux … |
| | Imports System.Data Imports System.Data.OleDb Public Class Chemical_Details Dim MyConnection As OleDbConnection Dim MyDataAdapter As OleDbDataAdapter Dim MyCommandBuilder As OleDbCommandBuilder Dim MyDataTableChemical As DataTable Dim MyDataSet As DataSet Private Sub Chemical_Details_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MyConnection = New OleDbConnection 'Creates OleDB connection MyConnection.ConnectionString = "Provider= Microsoft.ace.oledb.12.0;Data … |
| | help me guys. how can i know the open source mobile application ? any link or website to do this things ? its for my final exam . thanks guys  |
| | Hi friends, I am using MSSQL Database, it has more than 13246 reconds in a table. I am trying to display it in a table with bootstrap. But i am unable to load my datas. can any please help me how to resolve this my code is below <?php session_start(); …  |
| | Looking for a 1 time purchase software to run a consignment store. with some of the features of Inventoria, and lightspeed. Something very easy with pics and drag and drop would be nice. Ques? 1 any recomendations., 2.would it be better to use something like http://merchantsvillage.com open source and pay …  |
| | Hi folks. I'm about to evaluate an implementation of SYCL for ease of use and performance when writing parallel programs for heterogeneous environments, and I'm looking for good candidate programs to port to SYCL which will exercise its C++ features. Can anyone suggest any good examples of open source libraries … |
| | Hey I need some help here i have created a easy login with registration that save the password in plain text but now i want it to be hash and salted but i do not now how i can do this. This is the code for login: try { SqlConnection …  |
 | One day I got to wondering if it was possible to get a Python script to modify itself. After a few searches I found [this](http://showmedo.com/videotutorials/video?name=7610000&#) solution that I present here. I did not write this code, but feel that it should be "paid forward" so others know that it is …  |
| | sorry for my english its kind of its not my primary language.. i am new with programming, and also connecting databases. i use vb2008 and ms access 2010. i watched lots of videos with binding source etc on it connecting with database and i found it easy but somehow i …  |
 | Every year or so for the past couple of decades I've seen new products appear that claim to let you create software without having to know how to code. And every time the next one comes out, I roll my eyes, because they always fail to deliver as promised. Usually … |
 | Hi Im new with this and tryng to learn thru reading any sources in internet, but i have no idea where to find a solution to my problem. Every time i save or update a new entry to my database it working find but when im trying to search the … |
| | I am new to c# .I am having trouble to add a datagridview in the below code. can someone tell me how to do it? thanks using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Data.SqlServerCe; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace _35c { public partial class … |
| | i need to connect the data grid to access db using ado code and vb6 (without using adodc control)and diplay the result of a select statemet on it and here is the code that i am using (it give me a run time errorr 3705 : the operation is not … |
| | Hi, Im trying to make a simple programe that will make my life easier. But its more complex than i thought i have 6 tables, 1 master and 5 sub. All the 5 tables are of different column and types. Master Table ID Names 1 Branch 2 Committee 3 Translation … |
 | First off, I know this question doesn't exactly belong here... I'm asking here because this is the lowest common ground between binary opcodes and: # python 2.7 class A(object): def __init__(this): print 'I am initialized!' instance = A() my question is, what's the equivelant of that in either PPC or … |
| | how to print my listview details .. i found open source with class but this is only printing my 1st column also it is printing 1st column details in all column. please tell me how i can edit it . and put my all subitems of list the class is … |
| | Hi, I'm considering writing a java applet that has a chess board and lets people solve puzzles. There are chess engines that are free that could be the AI to play against and they come in executable files (console apps) compiled for both Mac and Windows. Now i have a … |
 | I must admit I feel a little embarrassed to post this, but I don't seem to get this simple flipping application to work and I'm getting this error: Login failed for user ''. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack … |
| | if i insert the new studadmin and the admincard and it Successfully Register but when i look at the access it not go the correct row is go to the timein and timeout i not sure which part wrong: Public Class Student_Form Private Sub btnRegister_Click(ByVal sender As System.Object, ByVal e … |
| | if i insert the new studadmin and the admincard and it Successfully Register but when i look at the access it not go the correct row is go to the timein and timeout i not sure which part wrong: Private Sub btnRegister_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles … |
| | in this form the stuednt record the time when login so that when they take attendance know that time they come in this the code : Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick lbltime.Text = "Time:" + TimeString If String.IsNullOrWhiteSpace(txtadmno.Text) Or String.IsNullOrWhiteSpace(txtcard.Text) Then 'MessageBox.Show("Please complete … |
| | Hi team, I am planning to design a software which can do time based alerts, i should mointor the time you log to the system and system time thats it which is the best programming language to use for this application it should run in the startup of the system, … |
| | Hi, I know that there have been a lot of questions on this topic and I have followed the solutions however my code still does not work. No error comes up, even after using Try and Catch and the code does not break, but the values are just not in … |
| | when i click the btn assign the error come out where go worng? Private Sub btnAssign_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAssign.Click ListBoxall.Items.Add(ListBoxassign.SelectedItem) End Sub (**ArgumentNullExceotion was unhandld** *Value cannot be null. Parameter name: item)* the admin the listbox done not show up which part go wong … |
 | When I was debugging the database page (Database.aspx), I encounter one problem. When I want to edit something by clicking the “Edit” button, some values were mismatched to other options instead to matching to the related option.  Actually, if I click the "Edit" button in the Item template … |
| | Hi again, I'm writing a code to retrieve the StudentID from a table in my database and then display it in a textbox. The code to retrieve the ID is on one form and I want the value to display in the textbox in another form. The code that I'm … |
 | ***Please don't post "spam" or "Thank you" posts in this thread since this is meant to be used as a guide for all beginners and I am sure we would like it to be on topic. I hope you understand this.*** **» Introduction to Java «** To start off, [Java](http://en.wikipedia.org/wiki/Java_(programming_language)) … |
| | Hello I trying to get the email address from the database and input it to the asp code or html. I was able to read the email address from the database but not able to store the value. How can I store the value? Response.Write bs("email_addr") its reading from the …  |
| | in Student Register_Form i key in the Stud Admin and admin card but when i key in the admin card one number it come out alot of small box that say (Insert time in) here is all the code: Public Class Student_Form Private Sub btnRegister_Click(ByVal sender As System.Object, ByVal e …  |
| | In my Windows Forms c# project I try to connect to an already existing ms sql database file (added binding Source on the form, then : bindingSource -> properties -> DataSource -> add source - > .... ) but when I pick this file it writes something like "You dont … |
| | I'm trying to add a progress bar to a working theaded program that uses a cancelation token too. The structure of the program is: I have a button "BeginButton" that calls the function "MyFunction()". The function runs in another thread and a cancellation token listens if I press a Cancel … |
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