1. Title.The bookstore for the Harry Potter series of books for promotional activities, a total of 5 volumes, with numbers 0, 1, 2, 3, 4, said,A single reel is priced at $8, and the specific discount is as follows:Discount on this number2 5%3 10%4 20%5 25%Depending on the number of volumes purchased and this number, different discount rules will be applicable. The singular book only corresponds to one
freight, so that consumers feel fair psychologically, can stimulate those countries with higher freight rates of consumers. So it's best to have a free shipping coupon at least for a single product set
2. Partial discount promotions for AFF promotion, the higher the discount on a Discount affiliate website, the more consumers can attract, the more clicks. For a
expansion price of 100. This should not happen, but it can happen if you store redundant data. A common guideline for transactional databases is to not store information that can be derived, such as expanding prices.
So there's the stage for the SQL expression show. The extended price can be derived by multiplying the unit value by the number by creating a computed column in the SQL statement. Expand the price can also calculate the account discount
Google, everyone copy Facebook ... This has achieved an unimaginable entrepreneurial myth. For young people still pursuing their own entrepreneurial dreams, perhaps this is a new opportunity?
We see that only in Beijing, to join the pursuit of this new model of the site, there will be the United States Network, F Group Network, handle network, full network, as well as from Taiwan's crazy selling customers ... These new Groupon models of the site, older but the day, the younger is not full moon
comparison scenarios occur, select the scenario with the lowest total cost.
2. Dynamic Analysis method
Dynamic analysis method is also called discount method , it considers the time value of capital, more practical and reasonable than static analysis method, including net present value method, internal rate of return method, net present value ratio method, annual value payback period method and so on.
(1) Net present value method (NPV, net Present v
); } Public Static voidCircularityperimeter (String r) {Doubleradius=double.valueof (R). Doublevalue (); System.out.println ("The circularity's area is:" + pie*radius*2); } Public Static voidMain (string[] args) {if(args.length!=1) {System.out.println ("Error!"); System.exit (0); } System.out.println ("The circularity's radius is:" +args[0]); Circularityarea (args[0]); Circularityperimeter (args[0]); }}Determine the class to which the object belongs:
Gets the name of the cla
These inputs need to be written to the database. Here json is used for input. Let's take a look at how the data to be transmitted is generated in the background. If you are interested, refer, I hope this will help you write the previous blog and use javascript to generate multiple groups of texts, so that data input is not displayed. Now we need to write these inputs into the database. Here we will use json to pass in.
First, let's write about how to generate the data to be transmitted in the b
1. Scenario Simulation
Simple quotation management system:Full price for common and new users5% discount for old customers10% discount for major customers2. No mode solution
Package demo16.strategy. example2;/*** price management, mainly used to calculate the price quoted to the customer */public class price {/***. For different types, calculate different prices * @ Param goodsprice original sales price * @
attention to coupons with a 15% discount, which can be about 400 yuan, and second-hand coupons may be used up, sometimes the new one is more cost-effective than the new one (sometimes, microservices also have a more dynamic discount than 15% ).
I usually search for images on findbook.
It is found that Amazon in Canada is the cheapest.Step 1: Go to the Prometric website
Http://www.prometric.com/
Https:/
Today in the project encountered the use of switch statements to determine the condition, but the problem is more conditions, about dozens of conditions, full screen case judgment, whether there is a more elegant alternative to the switch statement? Suppose there is a scenario where the shopping malls often take different discounts according to the situation, and if the discount scheme is less, consider using a switch statement for judgment. But if th
.[NavController pushViewController: cityViewContrl animated: NO];[CityViewContrl release];// Place the navigation (Label bar) Controller under the Window// [Window addSubview: navController. view];[Window addSubview: tabBarController. view];// Override point for customization after application launch.[Window makeKeyAndVisible];Return YES;}
Add system buttons and left and right buttons in the navigation control bar.First, add a "discount Info" button i
*/
Class TCart
{
Var $ SortCount; // number of product types
Var $ TotalCost; // total product value
Var $ Id; // The ID of each type of item (array)
Var $ Name; // The Name of each type of item (array)
Var $ Price; // Price of each type of product (array)
Var $ Discount; // discounts for items (array)
Var $ GoodPrice; // The preferential price of the product (array)
Var $ Count; // The number of items in each category (array)
Var $ MaxCount; // it
Print? DescriptionA department store uses a discount method for sales promotion.(1) If the price is 1000 yuan or higher, the discount is off;(2) 2000 Yuan or more, off;(3) If the price is 3000 yuan or higher, the discount is off;(4) 5000 Yuan or more, off. Write a program, enter the number of shopping items, calculate and output the
A topic requirement:Bookstore for the "Harry Potter" series of books for promotional activities, a total of 5 volumes, with numbers 0, 1, 2, 3, 4, a single volume of 8 yuan, the specific discount is as follows: this number discount 2 5% 3 10% 4 20%5 25%depending on the number of volumes purchased and this number, different discount rules will be ap
In the previous blog, javascript was used to generate multiple groups of texts, so that data input is not displayed. Now we need to write these inputs into the database. json is used for input.First, let's write about how to generate the data to be transmitted in the background.[Html]Copy codeThe Code is as follows:Function generateDtb (){// WriteVar txtName = document. getElementById ("txtName"). value;// Create an arrayVar dtb = new Array ();// Write data to the array in a loop and returnFor (
Python advanced (6)-use a first-class function to implement the design mode and python Design ModeMain content of this article
Classic "policy" Mode
Python advanced-directory
The code in this article is on github: https://github.com/ampeeg/cnblogs/tree/master/pythonadvanced
Classic "policy" Mode
'''Classic policy mode: encapsulates a series of algorithms that can be replaced by each other, so that the algorithms can change independently and the customers who use them. Assume that a clo
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Objective
Modeling
Realize
Conclusion
First, preface The previous several have realized a basic purchase + price calculation process, this time let the price plump some, add a member price concept. Membership price in the current mainstream e-commerce, is a less common model, the problem is:1. Increase the complexity of the operation, how the member price and promotion combination, such as should be used before the d
.
InterfaceUsing interfaces, you can specify the methods that a class must implement, but you do not need to define the specific content of these methods.All methods defined must be public and the method is empty.A constant can be defined, but no attribute exists.The implementation of the interface (implements) must implement all methods and multiple interfaces can be implemented (note that methods cannot be renamed ).Interfaces can be inherited by other interfaces (extends)
The Code i
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