Download C# 4.0 Pocket Reference by Ben Albahari, Joseph Albahari PDF

By Ben Albahari, Joseph Albahari

When you're programming C# 4.0 and wish a bit aid, this tightly targeted and sensible publication tells you precisely what you want to comprehend -- with no lengthy introductions or bloated examples. It's excellent as a succinct quickly reference or as a consultant to get you quickly up to the mark when you already be aware of Java, C++, or an previous model of C#.

Written by means of the authors of the acclaimed C# 4.0 in a Nutshell (O’Reilly), this booklet covers the complete C# 4.0 language -- with no skimping at the info -- together with:
<UL> * positive factors new to C# 4.0, similar to dynamic binding, not obligatory and named parameters, and kind parameter variance
* All of C#'s basics
* complicated issues, together with operator overloading, customized conversions, style constraints, covariance and contravariance, lambda expressions and closures, iterators, nullable kinds, and operator lifting
* LINQ, beginning with sequences, lazy execution, and traditional question operators; completing with a whole connection with question expressions
* harmful code and guidelines, customized attributes, preprocessor directives, and XML documentation

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Extra resources for C# 4.0 Pocket Reference

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For this reason, they are rarely used in place of conditional operators. The ternary conditional operator (simply called the conditional operator) has the form q ? a : b, where if condition q is true, a is evaluated, else b is evaluated. For example: static int Max (int a, int b) { return (a > b) ? a : b; } The conditional operator is particularly useful in LINQ queries. Download from Library of Wow! com> Boolean Type and Operators | 27 Download from Library of Wow! Char type) represents a Unicode character and occupies two bytes.

Download from Library of Wow! com> Boolean Type and Operators | 27 Download from Library of Wow! Char type) represents a Unicode character and occupies two bytes. A char literal is specified inside single quotes: char c = 'A'; // Simple character Escape sequences express characters that cannot be expressed or interpreted literally. An escape sequence is a backslash followed by a character with a special meaning. For example: char newLine = '\n'; char backSlash = '\\'; The escape sequence characters are: Char Meaning Value \' Single quote 0x0027 \" Double quote 0x0022 \\ Backslash 0x005C \0 Null 0x0000 \a Alert 0x0007 \b Backspace 0x0008 \f Form feed 0x000C \n New line 0x000A \r Carriage return 0x000D \t Horizontal tab 0x0009 \v Vertical tab 0x000B The \u (or \x) escape sequence lets you specify any Unicode character via its four-digit hexadecimal code.

Real to integral conversions Conversions from integral types to real types are implicit, whereas the reverse must be explicit. Con vert class. A caveat is that implicitly converting a large integral type to a floating-point type preserves magnitude but may occasionally lose precision: int i1 = 100000001; float f = i1; // Magnitude preserved, precision lost int i2 = (int)f; // 100000000 Numeric Types | 21 Download from Library of Wow! com> Arithmetic Operators The arithmetic operators (+, −, *, /, %) are defined for all numeric types except the 8- and 16-bit integral types.

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