codecademy discount

The reciprocal of expected sort based on hierarchical correlationSummaryMany of the indicators for evaluating the results of information retrieval can be used in binary correlation situations, and there is only one indicator that can usually be used for hierarchical correlation, namely, the cumulative gain (DCG) of the discount. One drawback of this indicator is its added nature and potential independence hypothesis: the document at a given location a

Python uses the first-class function to implement the design mode, and the python Design Mode Case study: Restructuring the "Policy" Model Some design patterns can be simplified if the functions used as first-class objects are reasonably used, and the "Policy" pattern is a good example. Classic "policy" Mode UML class diagram for processing order discounts in "policy" Design Mode The e-commerce industry has a feature that can obviously use the "Policy" model, that is, calculate the

Topic: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: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

the enterprise's expected profitability and the appropriate discount rate. This method evaluates different individual assets within an enterprise as a unified and inseparable element. It is not a simple sum of individual assets, however, the capitalization price under the normal operating conditions of an enterprise reflects the future profitability of the enterprise's assets as a whole, and reveals the internal value of the enterprise. Therefore, th

. In order to make it easier to discount the cash flow of the product to the age of 30, the income is uncertain due to the dividend of the person who receives the product, and the product dividend is assumed to be zero. Model Creation: 1. Set the discount interest rate (the ROI of insurance companies) to R; 2. the warranty period is from X: 30 ~ 100 years old; 3. The current INPV (x, R) and INPV (x, R) of t

. Java Package COM. observer1; public class customerone implements observer {subject; string goodsname, personname; Public customerone (subject, string personname) {This. personname = personname; this. subject = subject; subject. addobserver (this);} public void Update () {If (subject instanceof shopsubject) {goodsname = (shopsubject) subject ). getgoodsname (); system. out. println (personname + "interested only in the name of the discounted product:"); system. out. println ("the name of the

I. Problems There are a total of five flags in the "Harry Potter" series. Assume that each volume is sold separately for 8 euros. If you purchase two different volumes at a time, you can deduct 5% of the fee, and the three volumes are more. Assume that the discount is as follows: 2 discount 5% 3 discounts: 10% 4 discounts: 20% 5 discounts: 25% There is a certain demand for books, but different discounts can

Cookie is a technology that maintains HTTP status information on the client. It is like a discount card issued by a mall. When a customer closes a shopping bill in a mall, the mall can decide whether to give the customer a discount card. The information recorded on the discount cards of different customers can be different. For example, the total amount and valid

); K3. Setdiscountobject (K1); K2. Setdiscountobject (K3); K2. Execute (ORDER2); Console.readkey (); } } Public classOrder {/// ///total value of goods/// Public decimalgoodstotal{Get;Set;} /// ///deduction of discount, final customer to pay amount/// Public decimalgrandtotal{Get;Set;} } Public InterfaceIorderdiscount {voidExecute (order order); } Public classOrde

In the previous article (the application of OOP design process Evolution (ii)) to improve the entire system architecture, as well as the completion of the functions of each specific function, this can only be completed a structure, to truly perfect still very far. For example, in calculating the rent of the algorithm, using a switch statement to determine the type of books to determine the book discount, before I in order to demonstrate in the switch

employee's department).In the practical application, it is helpful to some statistic functions of the report.Here's another question to add, if we use the rollup or cube keyword, then some subtotal rows will be generated, and the fields that are excluded from the grouping factor will be set to NULL, and there is a situation, such as the existence of a nullable row in the list that is grouped by. Then NULL is also represented as a grouping, so we can't judge the subtotal record by simply null. T

The result of "Array 3" is obtained according to "Array 1" and "Array 2", and it is better to be efficient. Array 2 is a set of properties; Array 1 is a product that may fill only one or a few properties Array 1Array ([100008]/= Array ([5] = = Array ([name] = Price Lattice [0] = = not limited to) [6] = = Array ([name] = > Discount [0] = not limited to)] [100009] = = Array ([5] = Ar Ray ([name] = Price [8] = 0-29) [6] = = Array ([name] =

Which bank is cheaper than credit card? _ Baidu Knows It is also recommended that CMB and Bank of China be handed in. For new owner credit card users of CMB, 5% is used every Friday, usually 3%, and 30 yuan is returned every month. That is to say, the maximum consumption for fuel consumption is 600 yuan (calculated based on a 5% discount ). However, if you want to enjoy this discount after 6 months

!" Customer: "apply to your boss !" Sell your boss! Do you dare to fight? Even if you dare to fight, what does the boss think of you!"This is the price we have already paid off !" It means you are too expensive to take off! In fact, if you say this, you are dead, because he still thinks it is expensive when you make a discount!"Sir, I 'd like to offer you some convenience !" This kind of shopping guide is also common to me. Anyone who sells cheap goo

a graphic view of social electrical business page design: The Electronic Business page UI design often appears the channel has: homepage, buys, the brand special sale, the special event, the talent and so on. Love to browse the existing page, is also in accordance with this layout design. If you look at the visual flow of the page to compare to our shopping mall shopping route, which is similar to the concept of "floor", different floors operating "brand area" "

Learning front end knowledge too boring wood have challenges? Dozing off at the W3school all day? Have a great idea to share with you: the best way to learn a technology is to use it! If you already have a little upfront knowledge, but lack of actual combat experience, today this group of sites is very suitable, All is set combat and teaching as one integrated front-end learning site, collection! Codecademy As a very cool online programming learning

://developers.google.com/edu/python/?hl=zh-CNcsw=1 This is a two-day short-term training course (two full days, of course), probably seven videos, each of which is followed by a programming assignment that can be completed within one hours of each job. This is my second class to learn Python (the first one is Codecademy python, very early to see, a lot of content are not remembered), then watch video + programming One hours a day, six days to finish,

Although not yards, but always have a yard of the heart of the farmers. So always want to learn how to program.Let's start with your background:Have graduated several years of engineering male, so the basic knowledge is the University of the rectification of the green Shell C language.But in addition to the basic variables, arrays, selections, loops, to the pointer that can not remember.Then because of the job needs, I learned the Linux Shell programming (Linux system basic knowledge is very gen

Now, programming is sweeping the world. Students of all ages and adults entering the workplace are being encouraged to learn programming more and more. There are countless textbooks available that can help us learn different programming skills, such as the free online courses offered by Codecademy. Of course, the programming techniques required for different programming purposes are different, and the programming languages and techniques required for

school students. howcast-Learn small skills in everyday life through video. Memrise-uses the concept of gameplay to learn the language. Schooltube-for primary and secondary students, said there are 500,000 videos. instructables-a DIY website. Creativelive-teaches you the skills of photography, music, design, etc., to pay. Do It yourself-teach you to become a home improvement person. Adafruit Learning system-offers free DIY tutorials for electronic devices. grovo-