totals | 易学教程

Calculate total sum of all numbers in c:forEach loop

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问题 I have a Java bean like this: class Person { int age; String name; } I'd like to iterate over a collection of these beans in a JSP, showing each person in a HTML table row, and in the last row of the table I'd like to show the total of all the ages. The code to generate the table rows will look something like this: <c:forEach var="person" items="${personList}"> <tr><td>${person.name}<td><td>${person.age}</td></tr> </c:forEach> However, I'm struggling to find a way to calculate the age total

Magento - How override admin Sales Totals block (Mage_Adminhtml_Block_Sales_Totals)

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问题 I am trying to override the admin Sales Totals block (Mage_Adminhtml_Block_Sales_Totals) situated under "/app/code/core/Mage/Adminhtml/Block/Sales/Totals.php" I declare my module like this: <?xml version="1.0" encoding="UTF-8"?> <config> <modules> <CompanyName_Adminhtml> <version>0.1.0</version> </CompanyName_Adminhtml> </modules> <global> <blocks> <companyname_adminhtml> <class>CompanyName_Adminhtml_Block_Adminhtml_Sales_Totals</class> </companyname_adminhtml> <adminhtml> <rewrite> <sales

How to add totals as well as group_by statistics in R

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问题 When computing any statistic using summarise and group_by we only get the summary statistic per-category, and not the value for all the population (Total). How to get both? I am looking for something clean and short. Until now I can only think of: bind_rows( iris %>% group_by(Species) %>% summarise( "Mean" = mean(Sepal.Width), "Median" = median(Sepal.Width), "sd" = sd(Sepal.Width), "p10" = quantile(Sepal.Width, probs = 0.1)) , iris %>% summarise( "Mean" = mean(Sepal.Width), "Median" = median

Add a row for TOTAL in a sql query result

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问题 I have a SQL table as empid to_day clock_in clock_out late_reason 001Acc 01/04/2016 9:12:08 18:33:57 Office work 001Acc 02/04/2016 10:12:08 19:33:57 Home work 001Acc 03/04/2016 11:12:08 20:33:57 Sick 001Acc 04/04/2016 10:12:08 19:53:57 Car disorder 001Acc 05/04/2016 13:12:08 19:33:57 Hospital After ran following query: SELECT to_day, ( TIME_TO_SEC(clock_out) - TIME_TO_SEC(clock_in) ) AS worktime, late_reason FROM myTable WHERE emp_id = '001Acc' AND ( to_day BETWEEN "2016-04-01" AND "2016-04

Woocommerce echo total retail sales per product

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问题 Ive been searching around and cant seem to find anything. Right now I have a query to display my products from my store. I need to be able to also display in the query the total sales of each product and the total retail sales of each product. Im using this to create a leaderboard. The total sales is easy, thats just the custom field that woocommerce puts in for you. Im having trouble finding an answer for the total retail sales. I also need to display the total retail sales of the whole

Custom totals collector: Reorder totals in totals overview in checkout

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问题 I have created a custom totals collector to grant qualified customers a discount of 3% of the cart's subtotal. The code of my collector looks like the following: class My_Module_Model_DiscountCollector extends Mage_Sales_Model_Quote_Address_Total_Abstract { // ... public function collect(Mage_Sales_Model_Quote_Address $address) { if($this->userIsQualified()) { parent::collect($address); // $this->_inclTax tells the collector to either calculate the actual discount amount // based on the

Running totals in a SQL view

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I am trying to get running totals in my View in SQL Server 2008 Here is my tables BankAccounts ------------ AccountID (KEY) Name Created Transactions ------------ TransactionID (KEY) Description Credit Debit TransDate Created AccountID Here is my query so far.. SELECT t.Created, t.Description, t.Credit, t.Debit, t.TransDate, t.TransactionID, ba.AccountID, (isnull(t.Credit,0)-isnull(t.Debit,0))+COALESCE((SELECT SUM(isnull(Credit,0)) - SUM(isnull(Debit,0)) FROM Transactions b WHERE b.TransDate < t.TransDate and b.AccountID = t.AccountID),0) AS RunningTotal FROM Transactions t INNER JOIN dbo

Magento - Apply Tax On Custom Quote Totals Field

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I have created a surcharge module for Magento which adds a custom total field to the quote. The surcharge is input into Magento including tax. I have successfully got the module adding the surcharge to the quote and the grand total is correct on the checkout page. My issue comes when trying to apply tax to the surcharge so that it gets included and displayed in the tax field on the checkout page. Currently it only includes the tax for the products and the shipping. I have managed to calculate the tax for the surcharge but cant't get the tax applied to the quote so that it is displayed in the

jquery table rows line totals and grand total

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问题 I'm currently writing a small plugin for computer repair techs and I'm now trying to code the invoice section but not having much luck! I've got the fields being populated from the database but I'm trying to use jquery to update the line totals and the total of the invoice. Heres a quick image of what I'm trying to do! I'm trying to get it to update the totals on pageload and when a value changes in the unit cost and quantity textfields. $(document).ready(function() { $("#invoiceitems tbody

How can I get the total number of rows in a CSV file with PHP?

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How can I get the total number of rows that are in a CSV file using PHP? I'm using this method but can get it to work properly. if (($fp = fopen("test.csv", "r")) !== FALSE) { while (($record = fgetcsv($fp)) !== FALSE) { $row++; } echo $row; } Here's another option using file() to read the entire file into an array, automatically parsing new lines etc: $fp = file('test.csv'); echo count($fp); Also, since PHP5, you can pass in the FILE_SKIP_EMPTY_LINES ... to skip empty lines, if you want to: $fp = file('test.csv', FILE_SKIP_EMPTY_LINES); Manual: http://php.net/manual/en/function.file.php