This article is guided by:
C # equals, = =, referenceequals can be used to determine whether the individual of two objects is equal, for the same basic value type, = = and equals () Compare the result is the same; because ReferenceEquals () is to
1. What is a local type?
C # 2.0 introduces the concept of a local type. Local types allow us to divide a class, struct, or interface into several parts, implemented in several different. cs files, respectively.
Local types are suitable for the
1. What is a delegate?
In fact, I have been thinking about how to explain the Commission in order to make the delegation more thorough. To tell the truth, everyone has a different opinion because of the angle of the problem. Personally, it can be
This article summarizes the C # common GDI + text operations, including the text projection, reflection, rotation and other common effects, in the development of C # application has a good practical value. Share it for everyone's reference. Specific
Instance requirements:
The process of using AJAX technology to implement a page that does not refresh and to verify that a user name has been registered.
Requirements:
Add a text box label to the page to enter a user name and add a button to submit
C # declares an array and initializes it in three ways.
For one-dimensional arrays:
Using System;Using System.Data;Using System.Configuration;Using System.Web;Using System.Web.Security;Using System.Web.UI;Using System.Web.UI.WebControls;Using
The split split operation of a string is often performed in development. Get the array and then do the corresponding thing!
Sometimes, however, the requirement determines that the length of the array is not fixed, and the C # array is not allowed
Declaring an array and assigning an initial value
Int[] arr = {1, 2, 3};
You can see that [] followed by the type name is the array, {} represents the list of initial values to be assigned, and each initial value is separated by commas.
Declaring
such as the following code:
int age = 25; Short newage = 25; Console.WriteLine (age = = newage); True Console.WriteLine (Newage.equals (age)); False Console.ReadLine ();
int and short are primitive types, but the comparison with "= =" returns True,
[testmethod]public void TestMethod1 () { list List = new list (); Test (list); Console.WriteLine (list. Count ()); The total quantity becomes 1}private void Test (list list) { list. ADD (1);}
Can be found: After the Test, the list of the
Nonsense not much to say, look at the code:
Method One:
list t = new list (); Original
list t2 = new List (T.toarray ()); Copy of T
Method Two:
It is a one liner using LINQ.
List List1 = new list ();
list list2 = new list ();
This would
Defines a strongly typed list of objects that the:list class represents that can be accessed through an index, and provides methods for searching, sorting, and manipulating the list.
Role:The most common use of generics is generic collectionsWhen
What is atomic manipulation?
Atom (Atom) is intended to be "the smallest particle that cannot be further divided", while atomic manipulation (atomic operation) means "one or a series of operations that cannot be interrupted". When there are
This is a class library written in vb.net for the connection to MySQL. You can use this class library to manipulate MySQL database directly.
Before you use this class library, you must installODBC MYSQL 3.51 Download Address:
Multithreading (basic Article 3) and multithreading (basic article 3)
In the previous multi-thread (basic article 2), we mainly talked about the knowledge of determining the thread status, thread priority, foreground thread and background thread,
Learning C # threads,
March 17
I accidentally saw the explanation about the C # thread. After one afternoon of study, I gradually understood the thread. Here we will explain the most basic content, including thread creation, sleep, waiting, and
Multithreading (basic), multithreading (basic)
In the multi-threaded series of articles, we will introduce the multi-threaded knowledge in the C # language. In the multi-threaded (basic) article, we will learn the following knowledge points:
XML dynamic insert parent class ID subclass ID, xml ID
Since I wrote my blog for the first time and wrote something bad, please give me some advice,
To explain: it takes a lot of effort to insert and save xml data dynamically. At last, the emperor
Autofac and autofac Chinese documents
Through Assembly scanning, You can automatically register the types that comply with the rules. This method is very convenient. This article introduces Assembly scanning.
I. Scanning
As mentioned above, this
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