row

问题 this code is not inserting my list(self.list2) into the database 'main.db'. I read the the following posts already and they all seem to use the idea of using join() to create # of place holders based on the length of the list. Dynamically creating a placeholder to insert many column values for a row in SQLite table Inserting to sqlite dynamically with Python 3 the code is running without errors. I tested the code by printing return (f"{', '.join('?' * len(input))}") and it prints "?, ?, ?, ?

问题 Is it possible to set up Tablix somehow or via code so the entire row will be moved to the next page instead of placing between two? MS Word can do it easily... Reading of http://msdn.microsoft.com/en-us/library/dd239384.aspx is not helping... 回答1: You can set a group and call it 'NumberOfRows' Then you can use the =Floor((RowNumber(Nothing) - 1)/NumberOfRowsYouWant) on that groups expression. Here are some links: http://jeffprom.com/2012/05/11/ssrs-page-break-after-x-number-of-rows/ http:/

问题 I have bind on my ListView, an ObersvableCollection. And i want to alternate my row color of my ListView. I found lot of code, but didn't work for me... If you can share an example/sample ! Like this : But i don't know how i can do that ? I work with Visual Studio 2015 / Xamarin forms. My project must be work with Android and IOS. Thank for your help! 回答1: There's no built in way to do this with XF. The simplest approach would be to include an Index property in your Item model (you would have

问题 I have already found the lowest value in a column in a csv file, but I can't find which row store this value. Can someone help me please? Is there anyway I can find the answer by myself though I have googled for many days and websites. Thanks in advance. function getDataPointsFromCSV(csv) { var dataPoints = csvLines = []; var mini, a var minIndex = 0 csvLines = csv.split(/[\r?\n|\r|\n]+/); for (var i = 1; i <= csvLines.length; i++) if (csvLines[i] > 0) { points = csvLines[i].split(","); /

问题 I'm don't know the terms for this problem, the title might be a little bit misleading. I'm trying to create a overview of a 1 to many table but only want to select 1 example of the relation table. Car table name id Car colours car_id color A car can have many different colors. However I want to select just one color for the 'overview'. How can I do this? My tries result in a lot of results with multiple colors of the same car row. Preferably in one query if possible. Thanks in advance edit: I

问题 I'm trying to add link to table row and open new tab when clicked. Solution below works, but i need to open page in new tab. Javascript: $(document).ready(function () { $('#orders-table tr').click(function () { var href = $(this).find("a").attr("href"); if (href) { window.location = href; } }); }); HTML: <tr href="/order?id=[ORDER_ID_LOCAL]" target="_blank"> 回答1: Use window.open, const or let instead of var and proper indentation. Also remove the href and target attributes from the tr HTML

问题 fieldnames = ['first_name', 'last_name', 'address'] with open('names.csv') as csvfile: reader = csv.DictReader(csvfile, fieldnames=fieldnames) for row in reader: print(row['first_name'], "'s number", row['last_name'], "address", row['adres']) This is my code to print my CSV file. If the CSV file is empty, I want to print that it's empty. I thought that if i can get the row count of the file, I can check if it's empty. 回答1: just do len(list(reader)) it iterates through the reader object to

问题 I want to add absolutely positioned element as an :after (of :before ) of a table row. Look at this http://jsbin.com/IGumoye/5/edit I assume that when I add such element rendering engine (at least Webkit based) think it is a table cell of some kind. :before works badly in all browsers. But :after works very well in Firefox and almost good in webkit. In webkit it keep small space and makes whole table width bigger. - This is what bothers me in webkit. How to fix this? And where can I read

问题 How do I count the number of tr elements within a table using jQuery? I know there is a similar question, but I just want the total rows. 回答1: Use a selector that will select all the rows and take the length. var rowCount = $('#myTable tr').length; Note: this approach also counts all trs of every nested table! 回答2: If you use <tbody> or <tfoot> in your table, you'll have to use the following syntax or you'll get a incorrect value: var rowCount = $('#myTable >tbody >tr').length; 回答3:

问题 I have done this in java where I sum the values of the price column/row. But I am wondering how to do this in JavaFX. I want to sum everything in column 1 and display it in a inputField , I used this to do it in java but how do you do this in JavaFX? tableview.getValueAt(i, 1).toString(); Here is what I'm trying to do: int sum = 0; for (int i = 0; i < tableview.getItems().size(); i++) { sum = sum + Integer.parseInt(tableview.getValueAt(i, 1).toString()); } sumTextField.setText(String.valueOf