c 4 0 language innovations

Tài liệu LINQ TO OBJECTS - USING C# 4.0 docx

... List contacts = Contact.SampleData(); var q = from c in contacts where c. State == ”WA” orderby c. LastName, c. FirstName select c; foreach (Contact c in q) Console.WriteLine(” {0} {1}”, c. FirstName, ... QA76.73.L228M 345 201 0 00 6.7’882—dc22 200 9 04 9 5 30 Copyright © 201 0 Pearson Education, Inc All rights reserved Printed in the United States of America This publication is protected by copyright, and ... Introducing LINQ // join calls with contacts data foreach (Contact in contacts) { if (callGroups.ContainsKey(con.Phone)) { List calls = callGroups[con.Phone]; // calculate the total call...

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c# 4 0 in a nutshell 4ed (o'reilly)

Danh mục: Kỹ thuật lập trình

... 2-2 Escape sequence characters Char Meaning Value \' Single quote 0x 002 7 \" Double quote 0x 002 2 \\ Backslash 0x 00 5C \0 Null 0x 000 0 \a Alert 0x 000 7 \b Backspace 0x 000 8 \f Form feed 0x 00 0C \n New ... rounding errors: decimal notQuiteWholeM = m+m+m+m+m+m; double notQuiteWholeD = d+d+d+d+d+d; // 1 .00 000 000 000 000 000 000 000 000 02M // 0. 99999999999999989 Numeric Types | 27 C# Basics float and double ... line 0x 000 A \r Carriage return 0x 000 D \t Horizontal tab 0x 000 9 \v Vertical tab 0x 000 B The \u (or \x) escape sequence lets you specify any Unicode character via its fourdigit hexadecimal code: char...

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Tài liệu C# 4.0 HOW-TO doc

Danh mục: Kỹ thuật lập trình

... xi 40 9 41 1 41 2 41 4 41 8 42 3 42 5 42 9 43 0 43 1 43 3 43 4 43 6 44 3 44 4 44 5 44 9 45 1 45 2 45 3 45 5 45 7 Part IV: Advanced C# 21 LINQ Query an Object Collection ... 279 2 80 282 283 285 288 288 291 295 296 297 300 300 301 302 3 04 308 313 3 14 317 319 323 327 329 3 30 3 30 331 335 337 339 341 344 344 344 345 346 347 348 x C# 4. 0 How-To Draw Flicker-Free ... 201 202 202 203 2 04 2 04 208 209 213 2 14 2 14 216 2 20 222 229 231 233 237 238 2 40 245 246 247 248 2 50 258 259 261 262 266 268 2 70 271 273 2 74 Contents ix Part III: User Interaction 15 Delegates,...

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Programming C# 4.0 pdf

Danh mục: Kỹ thuật lập trình

... 38 48 58 68 78 88 98 10 19 29 39 49 59 69 79 89 99 20 30 40 50 60 70 80 90 20 30 40 50 60 70 80 90 This for loop makes use of the modulus operator described later in this chapter The value of ... Isolated Storage 43 8 43 9 44 8 45 4 45 8 47 4 47 6 48 4 Chapter 22 Programming NET and COM Importing ActiveX Controls Importing COM Components Exporting NET Components P/Invoke ... The char type represents a Unicode character char literals can be simple, Unicode, or escape characters enclosed by single quote marks For example, A is a simple character while \u0 04 1 is a Unicode...

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Essential C# 4.0 docx

Danh mục: Hệ điều hành

... 40 0 Lazy Initialization 40 0 Summary 40 3 10 Exception Handling 40 5 Multiple Exception Types 40 5 Catching Exceptions 40 7 General Catch Block 40 9 Guidelines for Exception Handling 41 1 Defining Custom ... 43 8 Constraints 43 9 Interface Constraints 44 2 Base Class Constraints 44 4 struct/class Constraints 44 5 Multiple Constraints 44 6 Constructor Constraints 44 6 Constraint Inheritance 44 7 www.it-ebooks.info ... the C# Compiler and the CLI Platform 865 B Full Source Code Listings 869 C Concurrent Classes from System Collections Concurrent 895 D C# 2 .0 Topics 899 E C# 3 .0 Topics 903 F C# 4. 0 Topics 905 ...

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C# 4.0 HOW-TO ppt

Danh mục: Kỹ thuật lập trình

... ISBN 978 -0- 672-3 306 3-6 (pbk : alk paper) C# (Computer program language) I Title QA76.73 .C1 54W38 201 0 00 5.13’3—dc22 201 000 2735 Printed in the United States of America First Printing March 201 0 Trademarks ... initialization code In these cases, you usually factored out the common code into a common function that each constructor called / /C+ + example class MyCppClass { public: MyCppClass() { Init(); } MyCppClass(int ... specific base class constructor Solution: Similar to calling other constructors from the constructor of a class, you can call specific constructors of a base class If you not specify a constructor,...

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c 4.0 pocket reference third edition

Danh mục: Kỹ thuật lập trình

... Alert 0x 000 7 \b Backspace 0x 000 8 \f Form feed 0x 00 0C \n New line 0x 000 A \r Carriage return 0x 000 D \t Horizontal tab 0x 000 9 \v Vertical tab 0x 000 B The \u (or \x) escape sequence lets you specify ... Result ~ Complement ~0xfU 0xfffffff0U & And 0xf0 & 0x33 0x 30 | Or 0xf0 | 0x33 0xf3 ^ Exclusive Or 0xff 00 ^ 0x0ff0 0xf0f0 Shift right 0x 20 >> 0x 10 Numeric Types | ... example: char newLine = '\n'; char backSlash = '\\'; The escape sequence characters are: Char Meaning Value \' Single quote 0x 002 7 \" Double quote 0x 002 2 \\ Backslash 0x 00 5C \0 Null 0x 000 0 \a Alert 0x 000 7...

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programming c 4.0 6th edition

Danh mục: Kỹ thuật lập trình

... WCF Project WCF Contracts WCF Test Client and Host Hosting a WCF Service x | Table of Contents www.it-ebooks.info 47 3 47 4 47 7 47 9 48 0 48 1 48 1 48 2 48 3 48 6 Writing a WCF Client Bidirectional Communication ... Adapting Stream: CryptoStream In Memory Alone: The MemoryStream Representing Binary As Text with Base 64 Encoding Summary 42 4 42 5 42 5 42 8 42 9 43 0 43 1 43 6 43 6 43 9 44 3 44 4 44 4 44 7 12 XML ... Whitespace Checking Character Types Encoding Characters Why Encodings Matter Encoding and Decoding Why Represent Strings As Byte Sequences? Summary 3 40 341 341 343 344 346 347 348 349 353 355 357 360...

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C# 4.0 IN A NUTSHELL potx

Danh mục: Kỹ thuật lập trình

... 2-2 Escape sequence characters Char Meaning Value \' Single quote 0x 002 7 \" Double quote 0x 002 2 \\ Backslash 0x 00 5C \0 Null 0x 000 0 \a Alert 0x 000 7 \b Backspace 0x 000 8 \f Form feed 0x 00 0C \n New ... rounding errors: decimal notQuiteWholeM = m+m+m+m+m+m; double notQuiteWholeD = d+d+d+d+d+d; // 1 .00 000 000 000 000 000 000 000 000 02M // 0. 99999999999999989 Numeric Types | 27 C# Basics float and double ... line 0x 000 A \r Carriage return 0x 000 D \t Horizontal tab 0x 000 9 \v Vertical tab 0x 000 B The \u (or \x) escape sequence lets you specify any Unicode character via its fourdigit hexadecimal code: char...

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C# 4.0 Pocket Reference ppt

Danh mục: Kỹ thuật lập trình

... Result ~ Complement ~0xfU 0xfffffff0U & And 0xf0 & 0x33 0x 30 | Or 0xf0 | 0x33 0xf3 ^ Exclusive Or 0xff 00 ^ 0x0ff0 0xf0f0 Shift right 0x 20 >> 0x 10 Numeric Types | ... char backSlash = '\\'; The escape sequence characters are: Char Meaning Value \' Single quote 0x 002 7 \" Double quote 0x 002 2 \\ Backslash 0x 00 5C \0 Null 0x 000 0 \a Alert 0x 000 7 \b Backspace 0x 000 8 ... Backspace 0x 000 8 \f Form feed 0x 00 0C \n New line 0x 000 A \r Carriage return 0x 000 D \t Horizontal tab 0x 000 9 \v Vertical tab 0x 000 B The \u (or \x) escape sequence lets you specify any Unicode character...

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Programming C# 4.0 phần 2 ppt

Danh mục: Kỹ thuật lập trình

... Typically, you define a name for each bit, and you can also name some common combinations: [Flags] enum Toppings { None = 0x 00, // Special zero value ChocolateSauce = 0x01, ToffeeSauce = 0x02, ChocolateSprinkles ... Plane("BA0 04 9 ") { Direction = DirectionOfApproach.Approaching, SpeedInMilesPerHour = 1 50 }; Console.WriteLine( "Your plane has identifier {0} ," + " and is traveling at {1 :0. 00} mph [{2 :0. 00} kph]", ... the whole class We could add the constructor in Example 3 -43 to our Plane class to illustrate this Example 3 -43 Static constructor static Plane() { Console.WriteLine("Plane static constructor");...

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Programming C# 4.0 phần 3 ppt

Danh mục: Kỹ thuật lập trình

... AddProcess(Action action) { AddProcess(action, null); } public void AddProcess(Action action, Check quickCheck) { processes.Add( new ActionCheckPair { Action = action, QuickCheck = quickCheck ... public void Process(Document doc) { // First time, the quick check foreach( ActionCheckPair process in processes) { if (process.QuickCheck != null && !process.QuickCheck(doc)) 158 | Chapter 5: Composability ... static DocumentProcessor Configure() { DocumentProcessor rc = new DocumentProcessor(); rc.AddProcess(DocumentProcesses.TranslateIntoFrench); rc.AddProcess(DocumentProcesses.Spellcheck); rc.AddProcess(DocumentProcesses.Repaginate);...

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Programming C# 4.0 phần 4 pdf

Danh mục: Kỹ thuật lập trình

... 1, 0, 1, { 1, 0, 1, { 1, 0, 1, { 1, 0, 0, { 1, 1, 1, }; new int[,] 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, ... 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1 1 1 1 1 }, }, }, ... lists Stopwatch sw = new Stopwatch(); sw.Start(); int itemCount = 500 000 ; List items = new List(itemCount); for (int i = 0; i < itemCount; ++i) { items.Add(new CanChange { Number...

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Programming C# 4.0 phần 5 docx

Danh mục: Kỹ thuật lập trình

... double value = 12. 345 6; Console.WriteLine(value.ToString( "00 .######")); value = 1.2 345 6; Console.WriteLine(value.ToString( "00 .00 000 0")); Console.WriteLine(value.ToString("## .00 000 0")); We see the ... time formats: 24/ 12/ 200 1 13: 14 24/ 12/ 200 1 13: 14: 15 24 December 200 1 13: 14 24 December 200 1 13: 14: 15 Another common format is the “round trip” shown in Example 10- 36 As for the numeric types, this ... character (0x09), backspace (0x09), bell (0x07), and delete (0x7F) The rest are called the printable characters, and include space (0x 20) , which is not a control character, but a “blank” printable character;...

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Programming C# 4.0 phần 6 doc

Danh mục: Kỹ thuật lập trình

... Key= "00 2 40 00 0 04 8 00 000 9 40 00 000 0 602 000 000 2 40 00 0525 341 3 100 04 0 00 001 000 100 A5FE 848 98F 190EA 642 3A7D7FFB1AE778 141 753A6F8F8235CBC63A 9C5 D 04 1 4 3C7 E0A2BE1FC61FA6EBB52E7FA9B 48 D22BAF 402 7763A12 04 6 DB4A94FA35 04 8 35ED9F29CD031 600 D511593 906 6AABE59A4E61E932AEF ... Admin 4. 0. 303 19.1 Copyright (c) Microsoft Corporation All rights reserved Record #1 [Assembly]

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Programming C# 4.0 phần 7 pdf

Danh mục: Kỹ thuật lập trình

... creates the proxy: ChatCallback callbackObject = new ChatCallback(); InstanceContext clientContext = new InstanceContext(callbackObject); ChatServiceClient chatProxy = new ChatServiceClient(clientContext); ... public void Disconnect() { IChatClient clientCallback = OperationContext.Current.GetCallbackChannel(); DisconnectClient(clientCallback); } Once again, we get hold of the callback interface, ... [System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "4. 0. 0 .0" )] [System.ServiceModel.ServiceContractAttribute( ConfigurationName="ChatService.IChatService"] public interface IChatService { } [System.ServiceModel.OperationContractAttribute(...

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Programming C# 4.0 phần 8 doc

Danh mục: Kỹ thuật lập trình

... different approach than transactions Optimistic Concurrency Optimistic concurrency describes an approach to concurrency where instead of enforcing isolation, which is how transactions usually ... might need to control database-specific aspects of the transaction that an implicit transaction cannot reach Object Context | 579 These transaction models are not specific to the EF You can use the ... txScope = new TransactionScope()) { var customersWithOrders = from cust in dbContext.Customers where cust.SalesOrderHeaders.Count > select cust; foreach (var customer in customersWithOrders) { Console.WriteLine("Customer...

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