Perl2011-02-05
Major features of Perl
All versions of Perl do automatic data-typing and automatic memory-management. The interpreter knows the type and storage requirements of every data object in the program; it alloc
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Perl2011-02-05
Why was it named Perl?
Perl was originally named "Pearl", after the Parable of the Pearl from the Gospel of Matthew. Larry Wall wanted to give the language a short name with positive connotations; he cla
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History of Perl?
Larry Wall began work on Perl in 1987, while working as a programmer at Unisys, and released version 1.0 to the comp.sources.misc newsgroup on December 18, 1987. The language expan
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What is Perl?
Perl is a high-level, general-purpose, interpreted, dynamic programming language. Perl was originally developed by Larry Wall in 1987 as a general-purpose Unix scripting language t
Read tutorialCsharp2011-02-05
Hello World sample program in C#
The above line of code tells the compiler to use 'System' as a candidate prefix for types used in the source code. In this case, when the compiler sees use of the 'Console' type la
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Comments in C#
C# utilizes a double forward slash (//) to indicate the rest of the line is a comment. This is inherited from C++.
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Csharp2011-02-05
Preprocessor directives in C#
C# features "preprocessor directives" (though it does not have an actual preprocessor) based on the C preprocessor that allow programmers to define symbols but not macros. Conditio
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Boxing and unboxing in C#
Boxing is the operation of converting a value of a value type into a value of a corresponding reference type. Boxing in C# is implicit.
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Categories of datatypes in C#
Value types are plain aggregations of data. Instances of value types do not have referential identity nor a referential comparison semantics - equality and inequality comparisons f
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Major features of C#
By design, C# is the programming language that most directly reflects the underlying Common Language Infrastructure (CLI). Most of its intrinsic types correspond to value-types imp
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Which version of C# to use?
For a beginner it is always a daunting task to decide on which version to use and which development tool to use. The table here shows clearly the available versions of C# and the c
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History of C#?
During the development of the .NET Framework, the class libraries were originally written using a managed code compiler system called Simple Managed C (SMC). In January 1999, Ander
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