... enough to prefer it Back to Item 1: Prefer const and inline to #define Continue to Item 3: Prefer new and delete to malloc and free Back to Item 2: Prefer to Continue to Item ... (*new_handler)(); new_handler set_new_handler(new_handler p) throw(); As you can see, new_handler is a typedef for a pointer to a function that takes and returns nothing, and set_new_handler is a function ... new Continue to Constructors, Destructors, and Assignment Operators Back to Item 10: Write operator delete if you write operator new Continue to Item 11: Declare a copy constructor and an assignment...
... like to think they’ve evolved andimproveyour photography, andmore (or more about taming digital exposures and creating free eBook, we’re glad tohave been a part of improved in their ability to ... use that toyour advantage your photographs and of your viewers’ attention Photographer’s Guide to Yosemite, And if the light and design aren’t perfect, you can use Yosemite Meditations, and Digital ... difficult to find time and took some more photos I took time to or landscape near where you live? A popular to take a photo every day, let alone be creative speak with some of the people that I met and...
... intonation 24 Play English language learning games on your Nintendo DS Although such games can have quite random language and are unlikely toimproveyour ability to speak English on their own, the next ... Convert your vocab list to English only One way to stop yourself translating and therefore increase your speed of comprehension and production is to learn all your vocabulary without the use of your ... description and are therefore full of difficult vocabulary and don't have a clear story line yet to help you understand what is happening andto motivate you to turn the next page If the book is still too...
... phot os Always use photos of real people and places If you can't, don't use any photos And don't let your Web folks convince you to use stock photos in order to add visual appeal to the page ... visionary And if you're a new business and don't have facts and figures, don't make them up Describe what your business hopes to achieve and how you plan to achieve it Give me the chance to decide ... What 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 "99.7%...
... attackers to connect toyour computer Information flows from the internet toyour home network by first coming into your modem, then toyour router, which most people have, and finally toyour computer ... will ensure your software is always updated, and you won’t haveto remember to it yourself Many operating systems and software have options for automatic updates As you’re setting up your new computer, ... enable you to share files, such as photos and music, with other computer users and print to other computers on your network The Conficker malware used file sharing to infect computers and spread...
... language’s as and is operators to express your intent more clearly Different ways of coercing types have different rules The is and as operators are almost always the correct semantics, and they succeed ... electronic versions and/ or custom covers and content particular toyour business, training goals, marketing focus, and branding interests For more information, please contact: U.S Corporate and Government ... most often debug and release variants But these have never been a tool we were happy to use #if/#endif blocks are too easily abused, creating code that is hard to understand and harder to debug...
... can make your own Of course, from outside the class, you have access to only the public properties and data members to construct your strings Writing two classes, IFormatProvider and ICustomFormatter, ... 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 formatters Those solutions require more ... Syntax to Loops ❘ 51 myDictionary.Remove(c1); myDictionary.Add(c2, o); You haveto remove the original customer, change the name, and add the new Customer object to the dictionary It looks more...
... need to perform multiple casts to invoke the conversion operators, a practice that leads to unmaintainable code If you want to convert another type into your type, use a constructor This more ... actions, and functions passed to LINQ queries will be small blocks of code This small, more composable nature means that those methods, andyour actions, predicates, and functions, are all more easily ... Classes often havemore than one constructor Over time, it’s easy for the member variables and the constructors to get out of sync The best way to make sure this doesn’t happen is to initialize...
... SqlCommand mySqlCommand = null; try { myConnection = new SqlConnection(connString); try { mySqlCommand = new SqlCommand(commandString, myConnection); myConnection.Open(); mySqlCommand.ExecuteNonQuery(); ... SqlConnection(connString); mySqlCommand = new SqlCommand(commandString, myConnection); myConnection.Open(); mySqlCommand.ExecuteNonQuery(); } finally { if (mySqlCommand != null) mySqlCommand.Dispose(); if (myConnection ... that are local toyour methods So don’t overwork the Garbage Collector You can follow some simple techniques to minimize the amount of work that the Garbage Collector needs to on your program’s...
... continue to become more important as moreandmore cores become commonplace for desktop and laptop computers It’s still not easy And poorly designed algorithms may not see performance improvements ... exception types you want to handle, and which are not expected and how you’ll handle the ones you are handling You need to send this method a set of exception types, and the code to handle the exception ... useful information to have, and the more you know about your chosen language the better you’ll be as a developer But don’t expect your users tohave the same level of knowledge More importantly,...
... Expression.Add(leftOperand, rightOperand); var adder = Expression.Lambda( body, leftOperand, rightOperand); compiledExpression = adder.Compile(); } } You still need to specify the ... Expression.Add(leftOperand, rightOperand); From the Library of Wow! eBook 232 ❘ Chapter Dynamic Programming in C# var adder = Expression.Lambda( body, leftOperand, rightOperand); return ... Expression.Parameter(typeof(T2), "right"); var body = Expression.Add(leftOperand, rightOperand); var adder = Expression.Lambda( body, leftOperand, rightOperand); compiledExpression = adder.Compile();...
... need to perform multiple casts to invoke the conversion operators, a practice that leads to unmaintainable code If you want to convert another type into your type, use a constructor This more ... actions, and functions passed to LINQ queries will be small blocks of code This small, more composable nature means that those methods, andyour actions, predicates, and functions, are all more easily ... Classes often havemore than one constructor Over time, it’s easy for the member variables and the constructors to get out of sync The best way to make sure this doesn’t happen is to initialize...
... SqlCommand mySqlCommand = null; try { myConnection = new SqlConnection(connString); try { mySqlCommand = new SqlCommand(commandString, myConnection); myConnection.Open(); mySqlCommand.ExecuteNonQuery(); ... SqlConnection(connString); mySqlCommand = new SqlCommand(commandString, myConnection); myConnection.Open(); mySqlCommand.ExecuteNonQuery(); } finally { if (mySqlCommand != null) mySqlCommand.Dispose(); if (myConnection ... that are local toyour methods So don’t overwork the Garbage Collector You can follow some simple techniques to minimize the amount of work that the Garbage Collector needs to on your program’s...
... you Writing your own add and remove handlers lets you more work in the add and remove handlers Events not need tohave any knowledge about the potential listeners The following class automatically ... the more options you haveto extend and modify any implementation in the future Item 22: Prefer Defining and Implementing Interfaces to Inheritance Abstract base classes provide a common ancestor ... References to Internal Class Objects ❘ 155 caller a handle toyour internal structures, so the caller no longer needs to go through your object to modify that contained reference Clearly, you want to...