Best general SVN Ignore Pattern?

I’ll add my own two cents to this question:

I use the following SVN ignore pattern with TortoiseSVN and Subversion CLI for native C++, C#/VB.NET, and PERL projects on both Windows and Linux platforms. It works well for me!

Formatted for copy and paste:

*.o *.lo *.la #*# .*.rej *.rej .*~ *~ .#* .DS_Store thumbs.db Thumbs.db *.bak *.class *.exe *.dll *.mine *.obj *.ncb *.lib *.log *.idb *.pdb *.ilk *.msi* .res *.pch *.suo *.exp *.*~ *.~* ~*.* cvs CVS .CVS .cvs release Release debug Debug ignore Ignore bin Bin obj Obj *.csproj.user *.user *.generated.cs

Formatted for readability:

*.o *.lo *.la #*# .*.rej *.rej
.*~ *~ .#* .DS_Store thumbs.db 
Thumbs.db *.bak *.class *.exe *.dll
*.mine *.obj *.ncb *.lib *.log 
*.idb *.pdb *.ilk *.msi* .res *.pch *.suo 
*.exp *.*~ *.~* ~*.* cvs  CVS .CVS .cvs  
release Release debug Debug
ignore Ignore bin Bin obj  Obj
*.csproj.user *.user
*.generated.cs
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Constructors in C#

Constructors in C-sharp

In this article I will explain the constructor concept in C# along with practical demonstration which will help you to understand it in a simple way.

What is constructor?

Constructor is used to initialize an object (instance) of a class.
Constructor is a like a method without any return type.
Constructor has same name as class name.
Constructor follows the access scope (Can be private, protected, public, Internal and external).
Constructor can be overloaded.
Constructors generally following types :

Default Constructor
Parameterized constructor
Private Constructor
Static Constructor
Copy Constructor
The constructor goes out of scope after initializing objects.

Default Constructor

A constructor that takes no parameters is called a default constructor.
When a class is initiated default constructor is called which provides default values to different data members of the class.

You need not to define default constructor it is implicitly defined.

Practical: Default Constructor

using System;
using
System.Collections.Generic;
using
System.Linq;
using System.Text;

namespace default_constructor
{
class Program
{
class c1
{
int
a, b;

public c1()
{
this.a =
10;
this.b = 20;
}

public void display()
{
Console.WriteLine(“Value of a: {0}”, a);
Console.WriteLine(“Value of b: {0}”,
b);
}
}

static void
Main(string[] args)
{
// Here when you create instance
of the class default constructor will be called.
c1
ob1 = new c1();
ob1.display();
Console.ReadLine();
}
}
}

Note: In the above practical example if you don’t create a constructor still there will be a default constructor, which will initialize the data members of the class with some legal values.

Parameterized constructor

Constructor that accepts arguments is known as parameterized constructor. There may be situations, where it is necessary to initialize various data members of different objects with different values when they are created. Parameterized constructors help in doing that task.

Practical: Parameterized Constructor

using System;
using
System.Collections.Generic;
using
System.Linq;
using System.Text;

namespace parameterized_constructor
{
class Program
{
class c1
{
int
a, b;

public c1(int x, int
y)
{
this.a = x;
this.b =
y;
}

public void
display()
{
Console.WriteLine(“Value of a: {0}”,
a);
Console.WriteLine(“Value of b: {0}”,
b);
}
}

static void
Main(string[] args)
{
// Here when you create instance
of the class parameterized constructor will be called.
c1
ob1 = new c1(10,
20);
ob1.display();
Console.ReadLine();
}
}
}

Private Constructor

Private constructors are used to restrict the instantiation of object using ‘new’ operator. A private constructor is a special instance constructor. It is commonly used in classes that contain static members only.
This type of constructors is mainly used for creating singleton object. If you don’t want the class to be inherited we declare its constructor private. We can’t initialize the class outside the class or the instance of class can’t be created outside if its constructor is declared private. We have to take help of nested class (Inner Class) or static method to initialize a class having private constructor.

Practical: Private Constructor

using System;
using
System.Collections.Generic;
using
System.Linq;
using System.Text;

namespace private_constructor
{
class Program
{

class c1
{
int a, b;

// Private constructor declared
here
private c1(int x, int
y)
{
this.a = x;
this.b =
y;
}

public static c1
create_instance()
{
return new c1(12,
20);
}

public void
display()
{
int z = a +
b;
Console.WriteLine(z);
}
}

static void
Main(string[] args)
{
// Here the class is initiated
using a static method of the class than only you can use private
constructor
c1 ob1 = c1.create_instance();
ob1.display();
Console.ReadLine();
}
}
}

Static Constructors

C# supports two types of constructor, a class constructor static constructor and an instance constructor (non-static constructor).
Static constructors might be convenient, but they are slow. The runtime is not smart enough to optimize them in the same way it can optimize inline assignments. Non-static constructors are inline and are faster.
Static constructors are used to initializing class static data members.

Point to be remembered while creating static constructor:

1. There can be only one static constructor in the class.
2. The static constructor should be without parameters.
3. It can only access the static members of the class.
4. There should be no access modifier in static constructor definition.

Static members are preloaded in the memory. While instance members are post loaded into memory. Static methods can only use static data members.

Practical: Static Constructor

using System;
using
System.Collections.Generic;
using
System.Linq;
using System.Text;

namespace static_eg
{

class Program
{

public class test
{
static string name;
static int age;

static
test()
{
Console.WriteLine(“Using static constructor to initialize static
data members”);
name = “John Sena”;
age
= 23;
}

public static void
display()
{
Console.WriteLine(“Using static function”);
Console.WriteLine(name);
Console.WriteLine(age);
}

}

static void
Main(string[] args)
{
test.display();
Console.ReadLine();
}
}
}

Copy Constructor

If you create a new object and want to copy the values from an existing object, you use copy constructor. This constructor takes a single argument: a reference to the object to be copied.

Practical: Copy Constructor

using System;
using
System.Collections.Generic;
using
System.Linq;
using System.Text;

namespace copy_constructor
{

class Program
{

class c1
{
int a, b;

public
c1(int x, int y)
{
this.a = x;
this.b = y;
}

// Copy construtor
public c1(c1 a)
{
this.a =
a.a;
this.b = a.b;
}

public void display()
{
int z
= a + b;
Console.WriteLine(z);
}
}

static void
Main(string[] args)
{
c1
ob1 = new c1(10,
20);
ob1.display();
// Here we are using copy constructor. Copy constructor is using the
values already defined with ob1
c1 ob2 =
new c1(ob1);
ob2.display();
Console.ReadLine();
}
}
}

Copy constructor sets behavior during runtime. It is shallow copying.

I would be glad to share my knowledge and waiting for your feedback to increase my knowledge base.
Summary

In this article, we discussed constructors in C#. Here are some more related articles.