C#

Introduced:the Lambda expression " (lambda expression) is an anonymous function, in the C # 3.0 introduced in the Lambda expression, which is a simplification of anonymous functions that can include expressions and statements, and can be used to

first, C # action generic delegate (help Understanding Delegates)Describe:Encapsulates a method that takes only one parameter and does not return a Value.Grammar:public delegate void Action (T arg);T:Parameter type: the parameter type of the method

Await and await threads I read an article in the garden, "the past and present of async & await", with a lot of benefits. Some of these statements are marked in red by the blogger, so I read a few more points. "await will not start a new thread

SQLite. net orm and androidsqliteorm of Xamarin. AndroidI. Preface Through the study of "SQLiteOpenHelper of Xamarin. Android" and "ContentProvider of Xamarin. Android", we have learned how to use database operations specific to this platform.

C # obtain the real IP address and analyze it, Let's talk about it. I also transferred it here, not to lie to PV, so it's easy for me to check it!There are bugs in the so-called "getting real IP addresses" method on the Internet, and the multi-layer

JSON conversion class (2) -- convert List to Json, convert object set to Json, etc. -- listjson # Region List to Json // // List to Json // public static string ListToJson (IList list) {object obj = list [0]; return ListToJson (list, obj.

Several Modes and efficiency (string. contains, string. IndexOf, Regex. Match) and stringregex Generally, we can determine whether a value exists in a string. contains, in fact, there are many methods to determine the existence of a value in a

C # parallel programming-related concepts, For more information, see the C ++ concurrent programming high-level tutorial. Background Today's computers have at least one dual-core microprocessor, which is very common with quad-core and eight-core

Implement XML serialization and deserialization through XmlSerializer Through XmlSerializer, we can easily convert the Model and XML. GuanwenHere Help1 using System; 2 using System. text; 3 using System. xml. serialization; 4 using System. IO; 5

Socket requests Web server process, socket requests web At first, we need to understand one thing, because this is the premise of this article: HTTP is only an application layer protocol, which transmits data through TCP at the underlying layer.

Determines whether the DataReader contains a field. The datareader Field The GetName () method of DataReader can be used to obtain the field name. For (int I = 0; I { // Determine whether the fieldName field exists If (dataReader [I]. GetName (

CSharp Trap 1, csharp trap CSharp Trap 1Environment: sharpdevelop 3. Net 2.0CorrectInternal static readonly string [] string_2 = new string [] {"A", "B "};Internal static readonly ArrayList arrayList_0 = new ArrayList (string_2 );Which of the

VS automatically downloads NuGet-managed libraries during compilation, vs compiles nuget Previously, NuGet has been used to manage some third-party libraries. However, each check in code must be checked in to ensure that the compilation is passed.

Concepts essential to understanding the essence of a set 02-stack, 02-Stack In "concepts that must be known about the essence of a set-linked list", we understand the concepts and types of linked lists and simulate a one-way linked list. In this

C # Coding specifications summarized by myself-6. FormatThe unified use of the format can make the code clear, beautiful, and easy to read. In order not to affect the encoding efficiency, the following rules should be made: the length of a file

C # Coding specifications summarized by myself-5. How to Write commentsHow to write comments to avoid the use of ambiguous pronouns. In some cases, "it" and "this" are prone to ambiguity, the safest way is not to replace all possible ambiguous

C # create a message Interceptor (intercept) 2 Now, in the previous article, we will implement an InterceptProperty class. First, this class inherits two interfaces: IContextProperty and IContributeObjectSink. IContextProperty: this interface

Search and sort 04, insert sort, search sort 04 insert In the selection and sorting process, the elements in the array are traversed from the first element to find the minimum element after the elements are traversed, and the position is exchanged

Learn New --- re-read C # InDepth (2 ), A good book, or a deep book, is a new discovery every time you study it. Okay, I admit that every time I read it, there is a general suspicion that it is always possible ~~ Over the past few years, I have been

C # camera operations It is a great honor to share the same information. This is a common method for the masses. As some netizens and friends ask the same question, I will post the key part of my poor code here to help more friends with many