imc strategy example

When writing a program, we often run into scenarios where we plug a bunch of algorithms into the same piece of code and then use IF-ELSE or switch-case conditional statements to determine which algorithm to use. These algorithms may be a bunch of similar class functions or methods to solve related problems. For example, a routine that validates the input data itself can be any data type (such as NSString, cgfloat, etc.), and each data type requires a

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This article illustrates the YII2 's XSS attack prevention strategy. Share to everyone for your reference, specific as follows: XSS Vulnerability Fixes Principle: Do not trust the data entered by the customerNote: The attack code is not necessarily in ① marks an important cookie as HTTP only, so that the Document.cookie statement in JavaScript will not get a cookie.② only allows the user to enter the data we expect. For

The strategy pattern is a common software design pattern, here is a simple introduction to the strategy model and the simple implementation of iOS.The so-called strategy model, as the name implies is to adopt a different strategy. In general, in different situations, the method of dealing with a problem is not the same

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Example parsing: Use of Strategy Mode in Ruby Design Mode Programming, rubystrategy Today, your leader is eager to find you. I hope you can help him. He is in a hurry to go to the meeting. What can I do? You are curious.He told you that there is a user information table in the database of your project, which stores user data. Now you need to perform a selective query of user information. He said that it wil

In this paper, a simple example to illustrate the implementation of the C # Strategy model, shared for everyone to reference. The implementation method is as follows:In general, when there are multiple implementations of an action, you might consider using a policy mode when you need to choose a method to perform the action according to different circumstances.Abstract the action into an interface, such as

Looking at "C + + Design new thinking", found in the beginning of a large length of the introduction of the Strategy Model (policy), the strategy model is not a classic design pattern, but in fact, in our day-to-day development is essential. Policy, strategy, policy, the meaning here is that the complex function of the class as far as possible to split into a sin

.) ) Below I show the class hierarchy diagram of the policy pattern as follows: As shown in the figure, the strategy class hierarchy defines a series of reusable algorithms and behaviors for the context, and inheritance helps to extract the public functions of these algorithms. Below I use an ordinary supermarket charge example simple simulation this pattern. I'll introduce the corresponding classes: C

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() { ball.Play(); } } The client needs the user to make a choice and instantiate a specific class according to different options. class Program { static void Main(string[] args) { IBall ball = null; SportsMan man = new SportsMan(); while (true) {Console. writeline ("select your favorite ball games (1 = football, 2 = Basketball, 3 = volleyball )"); string input = Console.ReadLine();

0. Suppose an existing project (Duck) encounters an issue that adds functionality to a class, how do I design a class to add new functionality?1. What are the disadvantages of using the duck (duck) provided by inheritance? (1) Code repeats in multiple subclasses (2) Many men know the whole behavior of all ducks (3) The behavior of the operation is not easy to change (4) Change will lead to the whole body, causing the other ducks do not want to change "Design Principles"