... need to feel comfortable choosing you:
Start wit h the cust omer's needs.
Forget what you do. Customers don't care about what you do; they care about what they receive:
solutions ... and benefits.
So what do potential customers want to know? At a basic level, first-time visitors want to know
you own a real business with real capabilities. What questions do customers typically ... 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...
... of your image, try a print and com-
pare it towhat 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 towhat ... 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 services ... determined by what
you are photographing, but there are also
several guidelines you can take into consid-
eration and use to create a more powerful
image. Here are a few of the things I feel are
some...
... Specific Waysto 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 ã Munich • Paris • Madrid
Capetown ... 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 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 type...
...
"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 ... provides the standard
way for users of your class to customize the text output for your type. If
you leave these out, your users are left with implementing custom for-
matters. Those solutions require ... IStructuralEquality declares that a type can be composed into a
larger object that implements value-based semantics.
C# gives you numerous waysto test equality, but you need to consider pro-
viding your own...
... 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 ... 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 you find yourself writing ... conversion operators are based on the compile-time type of
an object, not the runtime type of an object. Users of your type might need
to perform multiple casts to invoke the conversion operators, a...
... types are not polymorphic.
They are better suited to storing the data that your application manipu-
lates. Reference types can be polymorphic and should be used to define
the behavior of your ... fragments the heap and slows you down. If you are creat-
ing types that are 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 ... drains on your program
by creating an excessive number of reference objects that are local toyour
methods.
So don’t overwork the Garbage Collector. You can follow some simple
techniques to minimize...
... 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 ... resolution works to be
able to use your API. Instead, don’t overload methods declared in a base
class. It doesn’t provide any value, and it will only lead to confusion among
your users.
Item ... to all your loops. It’s not, but PLINQ does
make it much easier than it was to leverage multiple cores in your pro-
grams and still have programs that are correct. It’s by no means trivial to...
... property
set. The semantics are very easy to implement. Even with this very sim-
ple behavior, it was rather difficult to get right. Expression trees are hard
to debug. They are hard to get right. More ... 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 ... operator MyType(String aString)
{
return new MyType { StringMember = aString };
}
}
See Item 28 for why conversion operators are bad; however, a user-defined
conversion operator is key to this...
... 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 Englishspeaking ... 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 ... friends who are also 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....