C#

Marshal class Namespace: System.Runtime.InteropServices provides a set of methods for allocating unmanaged memory, copying unmanaged memory blocks, converting managed types to unmanaged types, Other miscellaneous methods that are used when

Use a set to organize relevant data and a set to organize relevant dataSet Overview An array is an upgraded version. It can dynamically define and maintain the length of the Set (that is, the maximum number of elements in the set! ArrayList

Chapter 19 (Lecture 1) Example 19 -- panorama HelloWorld, 19 -- helloworld Category: C #, Android, Baidu map application; date: Baidu panorama is a real-world map service. Provides users with 360-degree panoramic images of cities, streets, and other

[Reconstruction learning] 10. Reconstruction of inheritance relationships and 10 reconstruction of inheritance relationships 1. Move fields up Modification point: the two subclasses have the same field. Practice: Move this field to the parent class 2

[Regular expression] extracts the id list from the json array, which is a json array. The following array is available to retrieve the id: "[\" 3812662409 \ ", \" 3812633637 \ ", \" 3812627686 \ ", \" 3812651467 \ ", \" 3812628047 \ ", \" 381265020

Practice ^ operator and practice Operator [Instance description] In this example, the key point is to use the exercise ^, which has no technical content. Haha .. Before introducing an instance, let's take a short look at the concept of

Json serialization as object method, json serialization object /// /// Serialize json into an object/// /// Object Type /// Json object /// Public static T JsonDeserialize (string jsonString){If (jsonString = "" | jsonString = null){Return

DNX overview, Project Overview 1. What is the. NET execution environment? . NET Execution Environment (DNX) is an SDK and runtime Environment that contains all the components you need to create and run. net applications. It provides a host process,

C # rc4 algorithm, encryption and decryption class, The rc4 algorithm, in principle, uses a key to generate a 256-bit key stream, and then rolls the source data through an exclusive or encrypted wheel. 1/* 2 * created by SharpDevelop. 3 * User: YISH

C # basics 04, Introduction: Generic introduction, index, Foreach traversal explanation, yield method, path file operations, basic Directory Operations I. Generic Baidu data: Generic is a new function in the C # language and Common Language

Using OPC to connect PLC for AB SLC-5_04 data acquisition, plcslc-5_04 1. Required Software Rslinex classic 2.57 . Net framework 2.0 VS2013 OS: win7 enterprise x64 2. Software Installation 2.1 install RSlinx and select xp3 compatibility mode during

Orchard extended custom background management navigation Menu Admin Menu, orchard navigation MenuJin Tian: to learn a new thing, you must embrace it. If you stick to your previous concept system, you will feel difficult.Golden day:Viewing the source

Difference between localhost and 127.0.0.1: localhost127.0.0.1 No1: Localhost is also called local. The correct explanation is: local server 127.0.0.1 in windows and other systems, the correct explanation is: local address (local server) Their

C # Learning diary 17 --- display type conversion example In C # type conversion, except forImplicit type conversionThere is also a type conversion that needs to be declared ----- display type conversion. Display type conversion, also known as

Use the command line to package nuget and the command line to package nugetWe recommend that you use nuget Package Explorer to create Nuget packages that are not intended to be so complex. For the use of this graphic nuget package management

C # Learning diary 07 --- decimal type of data type Decimal type of Value Type: C # specifically defines a decimal (decimal) type for US (the previous C/C ++ is not of the secondary type), mainly used for financial or credit calculation. The

String and stringbuilder personal summary, stringbuilder   StringAndStringBuilderIn-depth analysis   The starting point of this article is whether we really understand the use of stringbuilder during the development process, how to implement string

C # conversion between Dto Linq Expression and Model Linq Expression in the database in ORM, Today, I saw a question in Baidu zhixing. After studying it for a while, I answered: Http://zhidao.baidu.com/question/920461189016484459.html How to convert

C # advanced programming ---- Summary of errors and exceptions Summary of errors and exceptions Because of the summary, there may be many concepts, so we need to learn to adapt. First, exceptions in C # are handled by the old system-level and

Simple usage and Exception Handling of parallel programming, and Exception Handling of parallel usage   When a large amount of data needs to be processed or a large number of tasks need to be completed, and each data or task is independent of each