C#

Object initializerBefore we can create an object without an object initializer, it takes about two steps to start with a new object and assign a value to each field. With the object initializer, a task that would otherwise require a few lines of

Differences between new, override, and virtual keywords in C, The OO idea has been widely used in software development projects. The most important feature is inheritance. Recently, I briefly reviewed the inheritance feature in C, the keywords that

Export Excel Based on NPOI and NPOI In the previous article [query and export of big data], I mentioned how to use the NPOI component to export an Excel file. I wanted to share it with you last time, but I was very busy recently. Today I took the

DLL layer interface design and dll layer interface design for Data Warehousing 1. Interface Design 2 1.1. IBaseRepository. cs 3 public interface IBaseRepository 4 {5 T Add (T entity); 6 bool Update (T entity); 7 bool Delete (T entity ); 8

C # Read and Write the XML file, An XML (Extensible Markup Language) file can be used to mark data and define data types. It is a source language that allows you to define your own markup language. The difference between XML and HTML is that XML is

Processing of network request parameters, including filtering, sorting, splicing, encryption, and sorting and splicing Network request parameter filtering, sorting, splicing, and encryption.Alipay. Using System; using System. collections. generic;

Discretion refactoring series [24]-encapsulation set, discretion refactoringOverview When the return type or attribute type of a method is set, some developers use the IList set in the same way. However, IList has all the operations on the set,

Add "timeout",. nettimeout to the. Net Asynchronous Method When I was in college, the Thread made the goat confused, and the code was hard to write. It really brought together many "lines" in his head. After that, tasks let the goat code fly, and

Conversion of enum, int, and string, enumstringEnum Countries{China = 5,USA,Russia,UK,France} Enum and int Enum-> intInt num = (int) Countries. China; // num = 5Int [] nums = (int []) Enum. GetValues (typeof (Countries ));// Nums = {5, 6

Delegate, delegation Public delegate void EventHandler (object sender, EventArgs e); pulic EventHandler HandleMapMessage; HandleMapMessage = MapControl; public void MapControl (obeject sender, EventArgs e ){....}   The Delegate in C # is said to

C # traverse Dictionary, C # traverse the Dictionary Method Dictionary d = new Dictionary (); foreach (KeyValuePair pair in d) {Console. writeLine ("{0}, {1}", pair. key, pair. value);} Dictionary list = new Dictionary (); // C # foreach (var

Color images in the basic tutorial of Kinect V2, This program is written by myself. The reference materials include official Microsoft examples and foreign documents, and I made some optimizations. If you have any questions, please correct

[Crawler framework: DotnetSpider] A collection blog, a preliminary study of dotnetspider Today, ModestMT. Zou published the second chapter of DotnetSpider crawler, which is simple and easy to understand. So I want to give it a try and I will open

C # Socket simulate http server help class, 0x01 Preface 0x02 Http protocol 0x03 TCP/IP 0x04 view code 0x05 Summary0x01 Preface During work, it is often necessary to communicate between servers or between processes and assign tasks. Using a Socket

Csharp: DBNull and DateTime, csharpdbnull /// /// /// /// /// public DateTime CheckDBNull(object dateTime) { if (dateTime == DBNull.Value) return DateTime.MinValue;

Csharp: DataRelation objects to represent a parent/child/Level relationship, csharpdatarelation /// //// /// /// protected void Page_Load (object sender, eventArgs e) {var sections = new List {new Section {Id = 1, Name = "China", ParentID = 0}

Xamarin android Activity details, xamarinandroid Preface: The previous section describes how to create an android app. What we bring to you today is a detailed explanation of the Activity, because I encountered it during the development

Use function parameters to reduce coupling and function parameter Coupling Developers usually select the most familiar language feature to describe the contract between components. For most developers, the basic class or interface is generally used

C # How to compress files and troubleshoot them, C # The third-party dll library ICSharpCode. SharpZipLib. dll can be used to compress files; The following code compresses folders and multiple files simultaneously. (For example, compress three

Redis Study Notes (C #), Redis installation and simple operations Installation Steps in Windows: 1. The first step is to download it first ~ Address: https://github.com/dmajkic/redis/downloads (Select the next 32-bit or 64-bit based on your actual