2,634 Topics
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 | # Introduction # As we move into 2022, businesses will continue to look for ways to become more data-driven. This means that knowing how to use Structured Query Language, commonly called SQL or 'Sequel', will remain an essential skill for data scientists, analysts, and developers. In this post, we'll provide … |
 | ## Introduction ## In this tutorial, we will learn how to load data asynchronously into a **ListAdapter** (*a subclass of **RecyclerView.Adapter***). ## Goals ## At the end of the tutorial, you would have learned: 1. How to serve asynchronous data to a **ListAdapter**. ## Tools Required ## 1. Android Studio. … |
| | ## Introduction ## In this tutorial, we will learn how to use **ConcatAdapter**. It is a great choice for displaying header or footer at the beginning or at the end of a **RecyclerView**. ## Goals ## At the end of the tutorial, you would have learned: 1. How to use … |
| | ## Introduction ## Finding a View in Espresso tests can be quite confusing because there are so many matchers available. In this tutorial, we will learn how to find a View based on its sibling contents. ## Goals ## At the end of the tutorial, you would have learned: 1. … |
| | ## Introduction ## In this tutorial, we will learn how to add swipe-to-remove and drag-to-reorder functionalities into RecyclerView. ## Goals ## At the end of the tutorial, you would have learned: 1. How to add swipe-to-remove and drag-to-reorder functionality to a RecyclerView. ## Tools Required ## 1. Android Studio. The … |
| | Im trying to display/show the Total Average in the heading (beside it) and not in the dataset table. I tried different methods but it wont show. (The last method I tried to work with is what in including in the codes. <!DOCTYPE html> <html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'> <head> <meta charset='UTF-8' … |
| | help me asp..... In this assignment you have to write functions (in python) that applies various preprocessing techniques which are popular in Natural Language Processing (NLP). For this purpose, you are supplied with a Text Dataset (“corona_data\test_small.tsv”) and you have to process that dataset using the following techniques: 1. Tokenization …  |
| | Hi i want to know we can perform features etraction on ham10000 and segementation also train model with cnn  |
| | Error 1 'AdvoDiary.DataSet' is a 'namespace' but is used like a 'type' D:\AdvoDiary\AdvoDiary\ReportViewer\rptBilling.cs 25 9 AdvoDiary namespace AdvoDiary.ReportViewer public partial class rptBilling : Form Common sCom; DBHelper myDB; string sOLE; clsGlobalVar objGlob; OleDbConnection cn; OleDbDataAdapter sDA; DataSet sDS; OleDbCommand cmd;  |
 | Please help me.. When i code in my PC for this programming it is running without any error, but when i release it to server i Encountered error Compiler Error Message: CS1061: 'ASP. registration_aspx' does not contain a definition for 'btnDeactivate_Onclick' and no extension method 'btnDeactivate_Onclick' accepting a first argument … |
 | # What Are Voronoi Diagrams? # Voronoi Diagrams are an essential visualization to have in your toolbox. The diagram’s structure is a data-driven [tessellation](https://en.wikipedia.org/wiki/Tessellation) of a plane and may be colored by random or to add additional information. ## Learn the Lingo ## The set of points that generate the … |
| | When I access an api. it returns data in below format **n2035014,25 N2035014,25 B2035014,2944.40,250,3787.30,2400** o24,22971.20 h24,23064.15 l24,22641.40 c24,22945.05 i24,22744.40 I am clueless how to map these data and store in mysql table. First set of data highlited in bold is dataset 1, followed by second set of data which has …  |
| | Hi all, I've been having a problem adding a record to an Access database using datasets and da.update etc. I'm trying to create a simple program that displays the records of a database table in a series of text boxes. I've managed to get my next and previous buttons working … |
| | Hi, I have one Win Form app to load Excel data into DataGridView. I want to store DataGridView data into MS Access database. Everithing works great, but in some cases inside ExcelFile I have single quote mark, which breaks SQL Syntax. My question is, How to find & replace "'" …  |
 | this is code snippet of sentiment analysis using sentiwordnet in (python using Pandas). i am trying to extract sentiment score of each review using sentiwordnet. here are few steps i did upto now, 1.stopwords removal. 2.tokenisation. 3.pos tagging. can anyone help me to correct this code. results of this code … |
| | can someone help me take a look i face (oledbexception was unhandled (too many fields defined)) below is my code . Private Sub btnBrowse_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBrowse.Click Properties='Excel 12.0;HDR=NO;'" Dim Chosen_File As String = "" If openFileDialog1.ShowDialog() = DialogResult.OK Then Chosen_File = openFileDialog1.FileName End …  |
| | In my html page, I have an external javascript code, that causes a modal to pop up when a project in my html class is clicked. the projects are specified through the li class attribute. I now wish to chance this, so the modal instead pops up when a span … |
| | I have daily scatsat level4 data for wind for year 2017 in a single folder I need to calculate the windspeed of the data and average of windspeed for 8 days for the whole year and need to plot it in a image using quiver plot **I am able to … |
| | Well I guess it is my turn to ask a question, since most of the time I spend answering questions on DaniWeb. The Problem: DataViewGrid throws a "System.ArgumentException parameter is not valid..." when the dataset contains an SQL 2005 TimeStamp type column. The error occurs in System.Drawing.FromStream... da da da … |
| | hello, im going to create POS project, can you help me how to retrieve all image from mysql db to listview, so that i can view all image that i save to my db, i already save image and use sreach button on retrieve image from db to picturebox. thank … |
| | Hi, I hv vb.net applivcation. I have following CODE1 to save data & to prevent duplicate data entry into table. The following code I put in button save event. However I want to put this CODE2 in perticluar textbox e.g. here SpecimenNoTextBox. so that when the user enter duplicate SpecimenNo.it … |
| | Hey everyone. I received this sql server error and I can't figure out where the trouble is: Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: …  |
 | For this particular sub I type the customer id in a text box and then click the button, then I'm trying to get the relative information pertaining to that id. Not sure what I am doing wrong. Comes back with an error message of system.data.sqlclient.sqlexception Recursive common table expression '[customers]' … |
| | In mysql database i created "leave" table: CREATE TABLE `leave` ( `ID_LEAVE` int(11) NOT NULL, `ID_WORKER` int(11) NOT NULL, `BEGIN_DATE` datetime DEFAULT NULL, `END_DATE` datetime DEFAULT NULL ); INSERT INTO `leave` (`ID_LEAVE`, `ID_WORKER`, `BEGIN_DATE`, `END_DATE`) VALUES (1, 26, '2019-03-19 07:00:00', '2019-03-19 15:00:00'), (6, 26, '2019-03-22 07:00:00', '2019-03-25 15:00:00'); "Sickness" table: … |
| | In desktop application used in technologies like C#, .Net and MySQL I import data from large file (which is about 37 MB) to datagridview. The table from Excel file is in below:  After loading data from Excel to datagridview I'm inserting that data to MySQL database. Later when I … |
 | DataSet ds = new DataSet(); string pattern = @"(</?)(\w+:)"; //[XMLText] is a string variable containing XML downloaded from a WebServices API. StringReader sr = new StringReader(Regex.Replace(XMLText, pattern, "$1")); ds.ReadXml(sr); return ds; |
| | ## Intro ## Receiver Operating Characteristic (ROC) plots are useful for visualizing a predictive model’s effectiveness. This tutorial explains how to code ROC plots in Python from scratch. ## Data Preparation & Motivation ## We’re going to use the breast cancer dataset from sklearn’s sample datasets. It is an accessible, … |
| | Hi Im having an error with my app, Im still learning to code. It gives me error at line rs = cmdOLEDB.ExecuteReader Here's my full code Imports System.Data Imports System.Data.OleDb Imports System.IO Public Class Form11 Dim cnnOLEDB As New OleDbConnection Dim cmdOLEDB As New OleDbCommand Dim cmdInsert As New OleDbCommand …  |
 | Hi group, I'm attempting to populate a listview with data from my test database created via Visual Studio 2019. I'm getting a syntax error that says, "Incorrect syntax near the keyword 'FROM'." It's not clear to me what the error is. The code I've written is as follows: Dim strQ …  |
| | Group, I've written some code to populate a listview using 3 fields from a database. When creating the listview, I named the individual columns for appearance purposes, (Account No, Company Name and Name). Those columns are being populated appropriately as expected. However data column names are being shown in column …  |
| | Hi everyone! I'm making an application which requires users with different permissions/previleges to login and use the application.For example, if the user is "admin", all menu items in the menu bar are shown and enabled. If the user is say "user_group1", some of the menu items are to be hidden. … |
| | Hi All Brothers I am working on ERP system and i need one help I wrote code for Datagrid auto complete. this code is working perfect but it only showing one Column record from database what i need is i want first column is to autocomplete as i did and … |
| | I have a table that contains some cubes with servers and active status (see attached image): note: CUBE1 is repeated intentionally. The idea is the same cube is getting synced from the same server 1 as a data source (process_server) onto different target servers (query_server; say server2 is in region … |
| | Guys this question is continual. however i found the answer virtually however still cant compass. i dont shrewdness to resolve it. thats why i announce it as new question iam operating with a project. iam exploitation native-validations-master downloaded it from internet. this is the link for that: https://www.cssscript.com/custom-html5-form-validator-native-validations/ It conjointly … |
 | Hello good people, I am having an issue with including subreports, lists and table datasets in the main report using jasper reports since i want to include two separate sql queries in my report. I am using the same connection to my database for both the main report and the …  |
| | In my access database, I have a table for the master list of items discussed in a training meeting. If a certain item was discussed in a meeting, then the value in the database is 1, if it was not discussed, then the item is 0. I'm trying to get … |
 | I have a Database named "Store" and tables are orders and firm. The firm table fields are firmname, firmcode. The fields orderno, orderdate orderqty, qtyrcvd and balqty are stroed in another table. When selecting three ComboBox values (fetched from another(invoice) table) ie firm name, orderno and orderdate respectively when clicking …  |
 | Sir. I create a project in vb.net 2010 sql server 2008r2 and crystal report 13. i use this code for showing the report. Public Sub PrintSaleRInvoice() Dim PrintSale As New DataSet objsale.saleinvid = txtSaleInvid.Text PrintSale = objsale.PrintSaleInvoice() ' Procedure name PrintSale.Tables(0).TableName = "DataTable1" Dim rpt As New SaleInv rpt.PrintOptions.PaperOrientation = … |
| | Vshost.exe has stopped working... Posted A minute ago vshost.exe has stopped working this error showing after using the Crystal Report. The error show when I closed the application. If I not use the crystal report then the error not showing. I am creating a program in vb with visual studio … |
 | Requirements: Create a PHP application to allow a user to register for the website and enter profile information to be stored in cookies. Part I: Registration page Create a page called register.php that displays a user registration form with the following fields from the customer table: Email address - required, …  |
| | Requirements: Create a PHP application to allow a user to register for the website and enter profile information to be stored in cookies. Part I: Registration page Create a page called register.php that displays a user registration form with the following fields from the customer table: Email address - required, … |
 | Hello, I am following this tutorial: https://valor-software.com/ng2-charts/ I try to set up the barchart. I copy exactly from the demo script: new.html <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script> <script src="node_modules/chart.js/src/chart.js"></script> <script src="bar.js"></script> </head> <body> <div> <div style="display: block"> <canvas baseChart [datasets]="barChartData" [labels]="barChartLabels" [options]="barChartOptions" [legend]="barChartLegend" [chartType]="barChartType" (chartHover)="chartHovered($event)" (chartClick)="chartClicked($event)"></canvas> </div> <button (click)="randomize()">Update</button> </div> </body> … |
 | Hello i want to pass the user id (uid) from the home page to a user Details Page. Because i display multiple users on my home page i don’t wan to pass the user session id (as given by the `JSON.parse(localStorage.getItem("userData"));` ), i want to click on the name of … |
| | Hello i have a problem with my Ionic App. I am using typescript files. I am getting console log `No Access` that means there is a problem with `resposeData`. Any hint? I am really stuck home.ts file import { Component, ViewChild } from "@angular/core"; import { NavController, App, AlertController } … |
 | i want to update row after union conection code conect Dim cmd As OleDbCommand = New OleDbCommand("SELECT tb1_type ,tb1_price FROM tb1 UNION SELECT tb2_supp,tb2_debt FROM tb2 UNION SELECT tb3_name,tb3_price FROM tb3", con) con.Open() DataAdapter1 = New OleDbDataAdapter(cmd) Dim builder As OleDbCommandBuilder = New OleDbCommandBuilder(DataAdapter1) DataSet1 = New DataSet() DataAdapter1.Fill(DataSet1, "tb1,tb2,tb3") …  |
| | Hello i have a problem working with Camera on Ionic and i need some advice. I have installed both ionic camera and media capture plugins. I am using two scripts one to capture Video (Start Reocording) and one to capture a Photo (Take Photo) I am getting the errors displayed … |
 | At the beginning welcome all. I have a big problem and I can not deal with it. I would like to refresh dategridview after adding and editing data. I try to add ShowData() function on closing Form2 and that didn't work. Thanks for any help or advises :) and link … |
| | 1- I want to edit the search code where I search all the fields with no repetition of the data 2- And modify the deletion code where it deletes and saves the data all code Imports System.Data.OleDb Public Class Form1 Public con As New OleDb.OleDbConnection("provider=microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\web_database.accdb;Jet … |
 | python code implementation of firefly algorithm for feature selecting the hepatitis dataset  |
| | Procedure or function P_UpdatePurchaseInv_test has too many arguments specified. ALTER PROC [dbo].[P_DeleteForUpdatePurInvDet] --Purchase Invoice Details 12 pic(13pic active) --@purid int , --@purinvid varchar(255), @purinvdt date, @invno varchar(255), @invdt date, @nrr varchar(200), @partyIDpur int, @invtypidpur int, @tottaxblamt decimal(18, 2), @nettaxamt decimal(18, 2), @invamt decimal(18, 2), @totalcgst decimal(18, 2), @totalsgst decimal(18, 2), …  |
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