Effective C#50 Specific Ways to Improve Your C# Second Edition phần 7 ppt

Effective C#50 Specific Ways to Improve Your C# Second Edition phần 1 ppt

... of Wow! eBookptg Effective C# 50 Specific Ways to Improve Your C# Second Edition Bill WagnerUpper Saddle River, NJ • Boston • Indianapolis • San Francisco New York • Toronto • Montreal • London ... Designs in C# 125Chapter 4 Working with the Framework 179 Chapter 5 Dynamic Programming in C# 2 27 Chapter 6 Miscellaneous 275 Index 309From the Library of Wow! eBookptgobject o = Factory.GetObject();// ... you. You likely need to attempt to cast those objects to other types, either classes or interfaces. You’ve got two choices: Use theas operator or force the compiler to bend to your will using a...

Effective C#50 Specific Ways to Improve Your C# Second Edition phần 2 pptx

... "SomeSample.Size" is not what you want to display to your users. But that’s what you get when you don’t override ToString() in your classes. You write a class once, but your clients use it many times. ... } #endregion// Nested class to provide the // custom formatting for the Customer class. private class CustomerFormatProvider : ICustomFormatter {#region ICustomFormatter Members public ... a type can be composed into a larger object that implements value-based semantics. C# gives you numerous ways to test equality, but you need to consider pro-viding your own deﬁnitions for only...

Effective C#50 Specific Ways to Improve Your C# Second Edition phần 3 docx

... are, stop it. Veteran C++ programmers would factor the common algorithms into a private helper method. Stop that, too. When you ﬁnd that multiple constructors contain the same logic, fac-tor ... logic to initialize static member variables, create a static constructor.Implementing the singleton pattern in C# is the most frequent use of a static constructor. Make your instance constructor ... natural to reach for the most famil-iar tools at your disposal. However, those tools might not be the best tools. When you ﬁnd yourself writing any form of a looping construct, ask your- self...

Effective C#50 Specific Ways to Improve Your C# Second Edition phần 4 pdf

... structure refers to the same array storage (phones) allocated outside the object. Developers can modify your immutable structure through another variable that refers to the same storage. To remove ... meant to store data values, value types are the way to go.The decision to make a value type or a reference type is an important one. It is a far-reaching change to turn a value type into a class ... way for users of your class to construct an object in steps, yet maintain the immutability of your type.The Garbage Collector does an efﬁcient job of managing the memory that your application...

Effective C#50 Specific Ways to Improve Your C# Second Edition phần 6 pptx

... Relational Operators. public static bool operator <(Customer left,Customer right) {return left.CompareTo(right) < 0; } public static bool operator <=(Customer left,Customer right) ... (!(obj is Customer)) throw new ArgumentException("Argument is not a Customer", "obj"); Customer otherCustomer = (Customer)obj; return this.CompareTo(otherCustomer);} #endregion// ... you need to Item 27: Prefer Making Your Types Serializable ❘159From the Library of Wow! eBookptgpublic static bool operator >=(Customer left,Customer right) {return left.CompareTo(right)...

Effective C#50 Specific Ways to Improve Your C# Second Edition phần 7 ppt

... elided. }}This is a problem. Your base class snuck a method underneath your class’s naming scope. There are two ways to ﬁx this. You could change that name of your NormalizeValues method. Note ... class to the world, that would force all your users to make numerous changes. That’s where the new modiﬁer comes in handy. Your clients will continue to use your NormalizeValues() method without ... multicore machines to use multiple threads to generate all the output than it would be to gener-ate the sequence sequentially. PLINQ knows that, too, so it starts multiple threads to create the...

Effective C#50 Specific Ways to Improve Your C# Second Edition phần 8 pps

... example showed you how to parse expressions to convert code (or at least expressions that deﬁne code) into data elements you can use to implement runtime algorithms. The second example shows ... much work to do.Implementing dynamic behavior can be a great way to approach some of your programming challenges. When you look at creating dynamic types, your ﬁrst choice should be to derive ... itself dynamic. At some point, you’ll want to bring those dynamic objects back into the static type system used by most of your C# code. That’s going to require either a cast or a conver-sion...

Effective C#50 Specific Ways to Improve Your C# 2nd phần 3 pps

... static constructors are called. And, yes, your static initializers execute before the base class’s static constructor.The CLR calls your static constructor automatically before your type is ﬁrst ... complicated logic to initialize the singleton:public class MySingleton2 {private static readonly MySingleton2 theOneAndOnly;static MySingleton2(){theOneAndOnly = new MySingleton2();}public ... that leads to unmaintainable code.If you want to convert another type into your type, use a constructor. This more clearly reﬂects the action of creating a new object. Conversion oper-ators can...

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