... of Wow! eBook ptg Effective C#50 Specific Waysto Improve Your C# Second EditionBill WagnerUpper 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 theas operator or force the compiler to bend toyour 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...
... 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 toyour ... "SomeSample.Size" is not what you want to display toyour 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() ❘29From...
... 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...
... 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...
... element: 30The 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 waysto 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...
... 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...
... @jeff_haden And don't let your Web folks convince you to use stock photos in order to add visual appeal to thepage. 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" meansnothing 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 Iwant to jump on board with you.Never try to be something you're...
... of your image, try a print and com-pare it to what you see on your display. If it’s still too dark, your display may still be too bright. Continue to adjust until your prints are close to ... through the frame? To communicate effectively through your photographs, you have to direct your viewers’ attention. You can’t just hope that they’ll notice your subject—you have to make them look ... Flickr, that most photographers are aware of. It’s nice to have your own website though, and even if you know next to nothing about web design it’s easy to start your own photo blog using...
... sound add to the lists as you learn more words.For example words that rhyme with me:- ImproveYourEnglishSpeaking and English Pronunciation Skills The first rule of speakingEnglish is to speak ... is often in English too!ã Once yourEnglish is good enough, go shopping in some tourist areas. You'll find lots of shop assistants speak very good English. ã If you can travel to an English ... learning English. Go out together for coffee and only speak Englishto each other!Read short stories out loud and try to see, say and hear the words to reinforce your memory. Record yourself...
... practices), go to your software vendors’ websites and check for and install all available updates. Enable automatic updates if your vendors offer it; that will ensure your software is always updated, ... and you won’t have to remember to do it yourself. Many operating systems and software have options for automatic updates. As you’re setting up your new computer, be sure to enable these options ... signatures are up to date. Many antivirus and antispyware programs offer automatic updating. Enable that feature so your software always has the most current signatures. If automatic updates...