create header file in c language
Tài liệu Pro LINQ Language Integrated Query in C# 2008 docx
Ngày tải lên :
18/01/2014, 03:20
... Service-Oriented
Architecture, 3e
Beginning ASP.NET 3.5
Data Access, 2e
Beginning
C# 2008 Databases
Beginning C# 2008
Pro LINQ: Language
Integrated Query
in C# 2008
www.apress.com
SOURCE CODE ONLINE
Companion eBook
... public class Contact
{
public int Id;
public string Name;
public static void PublishContacts(Contact[] contacts)
{
// This publish method just writes them to the console window.
foreach(Contact ... foreach(Contact c in contacts)
Console.WriteLine("Contact Id: {0} Contact: {1}", c. Id, c. Name);
}
}
}
As you can see, the Employee class and GetEmployees method are in one namespace, LINQDev.HR,...
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Pro LINQ Language Integrated Query in C Sharp 2008 docx
Ngày tải lên :
05/03/2014, 21:20
... Service-Oriented
Architecture, 3e
Beginning ASP.NET 3.5
Data Access, 2e
Beginning
C# 2008 Databases
Beginning C# 2008
Pro LINQ: Language
Integrated Query
in C# 2008
www.apress.com
SOURCE CODE ONLINE
Companion eBook
...
ability to have data collections with static type checking. Prior to generics—barring creating your
own specific collection type for every type of data for which you wanted a collection—there was ... dem-
onstrating how to handle concurrency conflicts actually create concurrency
conflicts, so you can step through the code and see them unfold.
This book is for anyone with an elementary understanding...
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All about File I/O in C++ ppsx
Ngày tải lên :
29/07/2014, 17:21
... c
thể đ c file theo 3 c ch:
- Đ c từng char: File. get(ch);
- Đ c từng word: File& gt;>ch;
- Đ c từng line: File. getline(ch,dimension);
Bây giờ chúng ta sẽ "check" xem file c ...
char ch;
while(!OpenFile.eof())
{
OpenFile.get(ch);
cout << ch;
}
OpenFile.close();
}
Chương trình này dùng c ch đ c từng ký tự (c n c c ch kh c là đ c từng từ (word) và đ c ... sẽ đ c một kí tự c a file và gán cho biến ch. Vòng
lặp sẽ kết th c khi đến cuối file. Để vòng lặp “biết” đư c khi nào thì kết th c file thì, khi đ c file c
một “con trỏ trong” (inside-pointer)....
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Apress pro LINQ Language Integrated Query in C# 2008 phần 1 docx
Ngày tải lên :
06/08/2014, 08:22
... 2e
Illustrated C# 2008
Accelerated C# 2008
Pro .NET 3.5 Scalable
Application Design
Expert Service-Oriented
Architecture, 3e
Beginning ASP.NET 3.5
Data Access, 2e
Beginning
C# 2008 Databases
Beginning C# ...
ability to have data collections with static type checking. Prior to generics—barring creating your
own specific collection type for every type of data for which you wanted a collection—there was ... obscure the relevant LINQ
principles by focusing on a complex demonstration application you can’t put to
practical use, Pro LINQ cuts right to the chase of each LINQ operator, method,
or class....
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Apress pro LINQ Language Integrated Query in C# 2008 phần 2 ppsx
Ngày tải lên :
06/08/2014, 08:22
... C# 3.0 LANGUAGE ENHANCEMENTS FOR LINQ
orderings:
ordering
orderings , ordering
ordering:
expression ordering-direction
opt
ordering-direction:
ascending
descending
select-or-group-clause:
... from-clause query-body
from-clause:
from type
opt
identifier in expression join-clauses
opt
join-clauses:
join-clause
join-clauses join-clause
join-clause:
join type
opt
identifier in expression ... C# enhance-
ments discussed in this chapter have been made specifically for LINQ. But even without LINQ, there
is a lot to be gained from the new C# features.
The new object and collection initialization...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 3 pdf
Ngày tải lên :
06/08/2014, 08:22
... Enumerable.Empty<string>();
foreach(string s in strings)
Console.WriteLine(s);
Console.WriteLine(strings.Count());
Here is the output of the preceding code:
0
Since the sequence is empty, there are no elements to display in ... first.Count());
Console.WriteLine("The count of the second sequence is: " + second.Count());
Console.WriteLine("The count of the intersect sequence is: " + intersect.Count());
// ... LINQ to Objects sequences,
those collections implementing the IEnumerable<T> interface. However, other domain’s collections,
such as those for accessing a database, could choose to implement...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 4 ppt
Ngày tải lên :
06/08/2014, 08:22
... System.Xml.XmlDocument)'
is inaccessible due to its protection level
With the W 3C DOM API, you can only create an XmlElement by calling an XmlDocument object’s
CreateElement method like this:
XmlDocument xmlDoc = new ... XMLOBJECT, as indicated in the previous pseudocode, we can specify its
contents by specifying 1 to N XMLOBJECTs. As you will learn later in the section titled “Creating Text
with XText,” you can ... I was
introduced to XML. Back in 1999 I was contracting for the information technology division of a large
corporation. I approached its common architecture group looking for a logging solution...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 5 ppt
Ngày tải lên :
06/08/2014, 08:22
... 2007 4:37 PM
252
CHAPTER 7
■ THE LINQ TO XML API
XProcessingInstruction.Target on XProcessingInstruction Objects and
XProcessingInstruction.Data on XProcessingInstruction Objects
To update the ... reference for later access.
XProcessingInstruction procInst;
XDocument xDocument = new XDocument(
new XElement("BookParticipants"),
procInst = new XProcessingInstruction("BookCataloger", ... "out-of-print"));
Console.WriteLine("Before updating processing instruction:");
Console.WriteLine(xDocument);
procInst.Target = "BookParticipantContactManager";
procInst.Data...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 6 ppt
Ngày tải lên :
06/08/2014, 08:22
... obtain every descendant element in the document named BookParticipant.
Since I am not reaching into a specific branch of the XML tree, it is necessary that I know the schema
because I could ... by the W 3C specifi-
cally for XML query use case testing.
The example in Listing 9-4 contains data from three different XML documents. In my example
code, I create each document by parsing a text ... 1002 Motorcycle $1,200.00
1999-01-25 Dee Linquent 1007 Racing Bicycle $175.00
1999-02-08 Jack Sprat 1007 Racing Bicycle $200.00
1999-02-12 Roger Smith 1007 Racing Bicycle $225.00
OK, come on,...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 7 pptx
Ngày tải lên :
06/08/2014, 08:22
... of each column, and then using the IComparable interface on each column if its dynamic data
type implements the IComparable interface, or calling the static Equals method in System.Object if ... may be wondering, since I made such a big deal about calling the HasVersion method since
the AcceptChanges method was not called, why not just call the AcceptChanges method? You could do
that, ... static
data type of each column, and then using the IComparable interface on each column if its dynamic data
type implements the IComparable interface, or calling the static Equals method in...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 8 pps
Ngày tải lên :
06/08/2014, 08:22
... the call to the
SubmitChanges method in a try/catch block and specifically caught the ChangeConflictException
exception. This is for handling concurrency conflicts, which I will cover in detail ... not much code considering it is also detecting
concurrency conflicts and resolving them if they occur.
Run Listing 12-1 by pressing Ctrl+F5. There is no console output, but if you check the ... // Save the changes.
db.SubmitChanges();
}
// Detect concurrency conflicts.
catch (ChangeConflictException)
{
// Resolve conflicts.
db.ChangeConflicts.ResolveAll(RefreshMode.KeepChanges);
}
■Note...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 9 ppt
Ngày tải lên :
06/08/2014, 08:22
... cities.Contains (c. City));
foreach (Customer cust in custs)
{
Console.WriteLine("{0} - {1}", cust.CustomerID, cust.City);
}
As you can see in Listing 14-18, instead of writing the query ... add code to call the OnCreated method inside your entity class’s constructor like this:
Calling the OnCreated Partial Method
public Customer()
{
OnCreated();
}
Then, for each mapped entity class ... change tracking begins. However,
you can make change tracking more efficient by making your hand-written entity classes implement
the change notification interfaces, System.ComponentModel.INotifyPropertyChanging...
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Apress pro LINQ Language Integrated Query in C# 2008 phần 10 ppsx
Ngày tải lên :
06/08/2014, 08:22
... section titled “Pessimistic Concur-
rency” in Chapter 17 to see an example doing this.
Change Tracking
Once the identity tracking service creates an entity object in its cache, change tracking ... ObjectChangeConflict objects. Notice that an ObjectChangeConflict
object has a property named Object that references the actual entity object that the concurrency
conflict occurred during the ... db.SubmitChanges(ConflictMode.FailOnFirstConflict);
Console.WriteLine("SubmitChanges() called successfully.");
}
catch (ChangeConflictException ex)
{
Console.WriteLine("Conflict(s) occurred calling...
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Teach Yourself the C# Language in 21 Days phần 1 pdf
Ngày tải lên :
13/08/2014, 08:20
... Program-Development Cycle 9
Creating the Source Code 9
Understanding the Execution of a C# Program 11
Compiling C# Source Code to Intermediate Language 13
Completing the Development Cycle 14
Creating Your ... The compiler takes your source code file as input and
produces a disk file containing the machine -language instructions that correspond to your
source-code statements. With programs such as C and ... and C+ +, the compiler creates a file
that can be executed with no further effort.
With C# , you use a compiler that does not produce machine language. Instead, it pro-
duces an Intermediate Language...
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