... Fast Ways to Improve your English All Rights Reserved © EFLeBooks 45. a. I made a promise to my boyfriend to have dinner with him tonight. b. I have a promise with my boyfriend tonight to ... Fast Ways to Improve your English All Rights Reserved © EFLeBooks Part One: Greetings and Farewells FOR NATURAL SOUNDING CONVERSATION: The fastest way to improve your English ... say: He doesn’t English. Do say: He doesn’t speak English. Don’t say: He can’t English. Do say: He can’t speak English. Oh no! Not Grammar! 99 Fast Ways to Improve your English All...
Ngày tải lên: 28/06/2014, 08:50
... of Wow! eBook ptg Effective C# 50 Specific Ways to Improve Your C# Second Edition Bill Wagner Upper Saddle River, NJ ã Boston ã Indianapolis ã San Francisco New York ã Toronto ã Montreal ã London ... you. You likely need to attempt to cast those objects to other types, either classes or interfaces. You’ve got two choices: Use the as operator or force the compiler to bend to your will using a ... typing. That is almost always a good thing. Strong typing means you expect the compiler to find type mis- matches in your code. That also means your applications do not need to perform as much...
Ngày tải lên: 12/08/2014, 16:21
Effective C#50 Specific Ways to Improve Your C# Second Edition phần 2 pptx
... in your debug build, but your release builds happily print a blank message. That’s not your intent. You goofed, but the compiler couldn’t help you. You have code that is fundamental to your ... "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. ... override of Object.ToString() should return the textual representation most likely to be used by clients of that class. In the Customer example, that’s the name: Item 5: Always Provide ToString() ❘ 29 From...
Ngày tải lên: 12/08/2014, 16:21
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 ... continues to include all the fea- tures that are part of that heritage. It’s natural to reach for the most famil- iar tools at your disposal. However, those tools might not be the best tools. When...
Ngày tải lên: 12/08/2014, 16:21
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...
Ngày tải lên: 12/08/2014, 16:21
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 // ... IComparable.CompareTo(object obj) { if (!(obj is Customer)) throw new ArgumentException( "Argument is not a Customer", "obj"); Customer otherCustomer = (Customer)obj; return...
Ngày tải lên: 12/08/2014, 16:21
Effective C#50 Specific Ways to Improve Your C# Second Edition phần 7 ppt
... element: 30 The query does not begin to execute until the first call to MoveNext() on the enumerator. The first call to MoveNext() executes the query on enough elements to retrieve the first element on ... 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...
Ngày tải lên: 12/08/2014, 16:21
Effective C#50 Specific Ways to Improve Your C# Second Edition phần 8 pps
... 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 ... exception. Adding the code to handle missing nodes adds quite a bit more code, just to handle potential errors. At that point, it’s harder to discern the original intent. Instead, suppose you...
Ngày tải lên: 12/08/2014, 16:21
Effective C#50 Specific Ways to Improve Your C# 2nd phần 3 pps
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Effective C#50 Specific Ways to Improve Your C# 2nd phần 4 pot
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Effective C#50 Specific Ways to Improve Your C# 2nd phần 5 ppt
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Effective C#50 Specific Ways to Improve Your C# 2nd phần 6 docx
Ngày tải lên: 12/08/2014, 20:22
Effective C#50 Specific Ways to Improve Your C# 2nd phần 7 pps
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Effective C#50 Specific Ways to Improve Your C# 2nd phần 9 pdf
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Effective C#50 Specific Ways to Improve Your C# 2nd phần 10 pps
Ngày tải lên: 12/08/2014, 20:22
8 ways to improve your about us page
... @jeff_haden And don't let your Web folks convince you to use stock photos in order to add visual appeal to the page. We're all experts at spotting stock phot os. The pretty boy wearing ... information tends to seal a deal or win over a hesitant customer? If I want to outsource product fulfillment, "providers of outstanding customer experiences" means nothing to me, but ... make them up. Describe what your business hopes to achieve and how you plan to achieve it. Give me the chance to decide if I want to jump on board with you. Never try to be something you're...
Ngày tải lên: 27/01/2014, 20:58