of the operation of a part of the complex expression to be decomposed. (2) Replace the part of "Operation result" in the expression with the temporary variable above. (If this part of the substitution is repeated in the code, it can be replaced one at a time)(3) compile, test. (4) Repeat the above process to deal with other similar parts. Examplelet's start with a simple calculation:Before refactoring double price () {//prices = Baseprice-quantity Discount
SceneA market personnel received a single post-quote strategy (FAQ in CRM system) The quotation strategy is very complex, can be easily categorized as follows:
Low-volume quotation for ordinary customers
General customer high-volume quotation
Low-volume quotation for old customers
High-volume quotation for old customers
The specific choice of which bidding strategy, which needs to be determined according to the actual situation. At this point, we can use the strategy mo
:
Smarter way to deliberately create this effect on the page, such as deliberately select a number of small quantities, a higher discount of hot goods, when it is sold after the display on the page, you can promote the other quantity, discount relatively small merchandise transactions.
2, the page also highlights the "limited time" and "limited" to create a sense of tension
"Limited time, lim
-time or impulsive shopping users. I think you can give some positive tips when you are booting a user or logging in. Suppose that the target users are impulsive shopping users or the first time to prepare for shopping users, in order to prevent the loss of users, you can allow users to do not log in the state of the purchase, but to give users tips, such as membership after the registration of 5% discount. What the electric dealer wants to do is to l
Web page Production WEBJX article introduction: the integration System of the website user thinks.
Dangdang two days ago sent a title "Diamond Card membership is about to expire" mail, the content of the message is roughly as follows:
The membership of your diamond card will expire on December 31, 2010. Up to the date of the letter, you in the membership period of the qualifying shopping amount of 1270.60 yuan, the expiration date of 2617.40 Yuan, your diamond card identity will be pos
expression with the temporary variable. (If this part is repeated in the code, you can replace it one by one.) (3) Compile and test. (4) Repeat the above process to process other similar parts.
In this example, we start with a simple calculation:
// Double price () {// price = basePrice-quantity discount + shippingreturn _ quantity * _ itemPrice-Math. max (0, _ quantity-800) * _ itemPrice * 0.15 + Math. min (_ quantity * _ itemPrice * 0.25, 100 );}T
parameters of the function directly, I am sorry, you should refactor this at this time. Because this will be the original value of the parameter is missing, we need to introduce a temporary variable, and then the temporary variable to operate.1. The discount () function below does not work well because the non-inout parameter inputval is modified and returned directly in the discount () function, which we
simple judgment. to process more complex logic judgment, you need to use nested if statements. In the following example, the prompt information should be displayed not only when the if condition $ today = Sunday is true, but also when each condition is true.If ($ today = Sunday ){Echo"
";Echo "today is not going to work! ";} Else {If ($ time = "9:00 ")Echo "it's time to get up! ";If ($ today = "Saturday ")Echo "the weekend is over! ";}
3. elseif statement
When you need to make multiple decision
control should be the same as the abstract class, or be more relaxed. an abstract class contains at least one abstract method.
Interface
Using 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
First, design ideas Title Requirements: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 d
with this policy, my core idea is that strategy should be simple and unchanged, but tactics should be flexible and diverse. Strategy determines what shares to buy, tactics decide when to buy and how much to buy. Tactics are more complex than strategy. My goal is 15-20% annual return. If you want20 + % return, You may be disappointed.
1. select Valuation Model
The modern business uation theory puts forward many valuation models, such as Discounted Cash Flow (DCF), Enterprise value, liquidation v
usesAddparamMethod To save the calculated discount date. The discount date is calculated as the 20 days from the order date.
[Visual Basic] Imports systemimports system. ioimports system. xmlimports system. XML. xpathimports system. XML. using public class sample private const filename as string = "order. XML "Private const stylesheet as string =" discount. XS
;+}+++ // Initiate an http ball and return the value+ Private string httpGet (string url)+ {+ Try+ {+ Var MyWebClient = new WebClient ();+ MyWebClient. Credentials = CredentialCache. DefaultCredentials; // gets or sets the network Credentials used to authenticate requests to Internet resources.+ Byte [] pageData = MyWebClient. DownloadData (url); // download data from a specified website+ String pageHtml = System. Text. Encoding. Default. GetString (pageData); // if you use GB2312 to retrieve th
Fraggle amplifier, the information sent to x. x. x.0 and x. x. x.255 is displayed. Port: 19 service: character generator Description: This is a service that only sends characters. The UDP version will respond to packets containing spam characters after receiving the UDP packet. When a TCP connection is established, data streams containing spam characters are sent until the connection is closed. Hacker uses IP spoofing to launch DoS attacks. Forge a UDP packet between two chargen servers. Simila
In ASP, thieves use XMLHTTP objects. Recently, I have been learning. net, the WebClient class is displayed, so I changed the program used for thieves and used ASP. net, C # to achieve, the program write is relatively simple, the purpose is to serve as a valuable author, hope to discuss with you to make it more perfect, next, I will make it possible to obtain the specified content on the webpage according to the settings. The following is the program section, including the ASP. net source program
open the FTP server of anonymous. These servers have read/write directories. Ports opened by Doly Trojan, fore, invisible FTP, WebEx, WinCrash, and Blade Runner.Port: 22Service: SSHNote: The TCP Connection established by pcAnywhere to this port may be used to search for SSH. This service has many vulnerabilities. If configured in a specific mode, many versions using the rsaref library may have many vulnerabilities.Port: 23Service: TelnetDescription:
alex Cisco Cloud Services Team architect
to the path of simplicity- webex and collaboration cloud
Zhang Zhan Cisco Cloud Services Team architect
financial cloud Practice site Consultation qa
All lecturers and listeners
The workshop was officially launched, with Cisco's strongest team of financial cloud service experts explaining the theme of cloud computing in the dif
progress, and you will not be far from your junior
------ Solution --------------------
You can visit some recruiting companies... You will be able to know your possibilities in your own interview.
------ Solution --------------------
Can go to the Internet to watch write video while watching followed by trying to write code http://www.lampbrother.net/php/html/PHPvideo/ can go to this look above
------ Solution --------------------
When I go out for an interview, I will know what is missing.
--
interview, you know what's missing.
------Solution--------------------
Let's try the interview .....
------Solution--------------------
Grow in practice, the actual operation will find the problem, the impression is more profound.
------Solution--------------------
MySQL learns too many people, really want to learn to eat at the top of the pyramid. And the real big web doesn't have to be MySQL.
Go straight to NoSQL.
Cassandra (Cisco, WebEx, Digg, Fac
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