row

问题 I am looking for something similar to rowversion but for the whole table : a unique number automatically generated that can be used to know if table has changed. Eg : SELECT TABLE_VERSION('FOO') 0x00000000000007D2 INSERT INTO FOO (...) VALUES (1, 'Hello world') SELECT TABLE_VERSION('FOO') 0x00000000000007D5 Does it exists in SQL Server ? If not, is there any alternative ? Somethings that allow to track changes on a column would be great too. I have been thinking of using HASHBYTES, but

问题 I want to always show the first two rows, which i have done using .show(). And also want to show and cycle the next 4 rows, 2 at a time. So the 4 rows should show in my table, top 2 are fixed and bottom 2 rows to be replaced by the next two rows, every 5 seconds for example. My jQuery code <script type="text/javascript"> $(document).ready(function() { $('tbody tr:even').css('background-color', '#114c00'); ticker(); }); function ticker(){ $("tbody tr:#fixed").show(); $("tbody tr:.hidden").hide

问题 I am adding a row to my datatables by selecting an option from my selectbox: <select class="item-select"> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="vw">VW</option> <option value="audi">Audi</option> </select> $(document).on('change', '.item-select', function() { var optionValue = $(this).val(); var optionText = $('.item-select option[value="'+optionValue+'"]').text(); table.row.add({ "id": optionValue, "name": optionText, }).draw(); }); It is

问题 I have been trying all afternoon to try and achieve this with no success. I have a db in with info on customers and the date that they purchase products from the store. It is grouped by a batch ID which I have converted into a date format. So in my table I now have: CustomerID|Date 1234 |2011-10-18 1234 |2011-10-22 1235 |2011-11-16 1235 |2011-11-17 What I want to achieve is to see the number of days between the most recent purchase and the last purchase and so on. For example: CustomerID|Date

问题 How can I get the absolute Row Height of the Grid object? If the return value in the Stars? GridLength l=grid.RowDefinitions[0].Height; if (l.IsStar==true) { //i need to convert from stars to absolute units <---- ? } 回答1: This will give you the ActualHeight of RowDefinition : grid.RowDefinitions[0].ActualHeight 来源： https://stackoverflow.com/questions/19546912/how-can-i-get-the-absolute-row-height-of-the-grid-object

问题 In this sample I have two tables containing data for my Customer and Products that a office supply shop has. which is seen below: The Above tables primarily functions to supply the required data for the third table which is the Orders table Using the orders table, I can get a quick summary for reports that I need from customer and products table. The problem starts when I want to see the purchase count of each customer per item. Like these tables for example. Using the tables above, I need to

问题 I am making design of my site in bootstrap.I am stuck at this small issue.I want to remove the unwanted space below the images.I am using bootstrap classes and scss.I know this is a very small issue but it will really save my time if someone correct me what i am doing something wrong.Just a little help required. Unwanted Space Area: Bootstrap Code: <section class="homepage-banner-section"> <div class="container"> <div class="row"> <div class="col-lg-4 col-md-4"> <div style="height: 67%;">

问题 QTableWidget have a method to search for a row with user data? Something like: //set user data row->setData(0, Qt::UserRole, "ID001"); //find row by user data int rowIndex = table->findByData("ID001"); 回答1: You can use QAbstractItemModel::match() QAbstractItemModel *model = table->model(); QModelIndexList matches = model->match( model->index(0,0), Qt::UserRole, "ID001" ) foreach( const QModelIndex &index, matches ) { QTableWidgetItem *item = table->item( index.row(), index.column() ) // Do

问题 I am using XCode's Navigation-based Application template to create an app that centers around an UITableView. When the user selects a row in the UITableView I want to display a button inside of that selected cell. I want to display this button only in the cell selected and not in any other cells. The same goes if the user selects a different cell afterwards. How do I go about doing this? Is it possible? 回答1: Subclass UITableViewCell and add the button to it. - (id)initWithStyle:

问题 How to expand row in a grid using rowexpander plugin? I am using the following code in my controller 'editbasicinfotitlegrid gridview' : { afterrender:this.expandAll } expandAll: function(){ var titlesGrid = Ext.getCmp('editBasicInfoTitleGrid'); var expander = titlesGrid.getPlugin('myRowExpander'); console.log(titlesGrid.plugins[0]); expander.toggleRow(0); } But this code gives me the following error Uncaught TypeError: Cannot call method 'down' of null 回答1: So I have found its solution.The