Bill Wagner's Effective C# 50 Specific Ways to Improve Your C# Second PDF

By Bill Wagner

ISBN-10: 0321658701

ISBN-13: 9780321658708

C# has matured during the last decade: It’s now a wealthy language with generics, practical programming suggestions, and aid for either static and dynamic typing. This palette of recommendations offers nice instruments for plenty of assorted idioms, yet there also are many ways to make errors. In potent C#, moment variation, revered .NET professional invoice Wagner identifies fifty methods you could leverage the entire energy of the C# 4.0 language to precise your designs concisely and obviously.   potent C#, moment variation, follows a transparent structure that makes it quintessential to millions of builders: transparent, useful factors, specialist tips, and many practical code examples. Drawing on his unsurpassed C# adventure, Wagner addresses every little thing from kinds to source administration to dynamic typing to multicore aid within the C# language and the .NET framework. alongside the way in which, he indicates the right way to stay away from universal pitfalls within the C# language and the .NET setting. You’ll tips on how to   Use either sorts of C# constants for potency and maintainability (see merchandise 2) hire immutable information varieties to advertise multicore processing (see merchandise 20) reduce rubbish assortment, boxing, and unboxing (see goods sixteen and forty five) Take complete good thing about interfaces and delegates (see goods 22 notwithstanding 25) utilize the parallel framework (see goods 35 via 37) Use duck typing in C# (see merchandise 38) Spot some great benefits of the dynamic and Expression kinds over mirrored image (see goods forty two and forty three) determine why question expressions are greater than loops (see merchandise eight) know the way regular covariance and contravariance have an effect on your designs (see merchandise 29) See how not obligatory parameters can reduce the variety of process overloads (see merchandise 10)   You’re already a profitable C# programmer–this booklet may help you turn into a superb one.

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Additional info for Effective C# 50 Specific Ways to Improve Your C# Second Edition (Covers C# 4.0)

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All reference types will have a hash code that is correct, even if it is very inefficient. Value types should be immutable (see Item 20), in which case, the default implementation always works, although it is also inefficient. In most types that you create, the best approach is to avoid the existence of GetHashCode() entirely. One day, you’ll create a type that is meant to be used as a hash key, and you’ll need to write your own implementation of GetHashCode(), so read on. Hash-based containers use hash codes to optimize searches.

You create your own instance version of Equals() when the default behavior is inconsistent with your type. Equals() method uses object identity to determine whether two variables are equal. ReferenceEquals(). But wait—value types are different. Equals(). Remember that ValueType is the base class for all value types that you create (using the struct keyword). Two variables of a value type are equal if they are the same type and they have the same contents. Equals() implements that behavior. Equals() does not have an efficient From the Library of Wow!

ToString() should return the textual representation most likely to be used by clients of that class. In the Customer example, that’s the name: From the Library of Wow! eBook 30 ❘ Chapter 1 C# Language Idioms public override string ToString() { return Name; } If you don’t follow any of the other recommendations in this item, follow that exercise for all the types you define. It will save everyone time immediately. ToString() method, objects of this class can be more easily added to WPF controls, Silverlight controls, Web Form controls, or printed output.

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Effective C# 50 Specific Ways to Improve Your C# Second Edition (Covers C# 4.0) by Bill Wagner

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