C#

// Match the titleString reg = " (? [\ s \ S]). *?) ";// Match tiitle and value// String reg = " (? [\ s \ S]). *?) ([^ (? [\ s \ S]. *?) ";// And so on Regex r = new Regex (reg, RegexOptions. IgnoreCase | RegexOptions. Singleline

1. Define a threadVar task1 = Task. Factory. StartNew () => DoSomeWork ());The method is as follows:View CodePrivate static object DoSomeWork (){Console. WriteLine ("nihao ");System. Threading. Thread. Sleep (3000 );Console. Write ("nihao ");Return "

We can see virtual in many OOP languages such as C ++ and Java, and C # is no exception as a fully object-oriented language. From the perspective of C # program compilation, what is the difference between a virtual function and other common

In C #, Dictionary provides quick part-time-based element search. You can use it when you have many elements. It is included in the System. Collections. Generic namespace. Before using it, you must declare its key type and value type. Detailed

# Region filters rows with duplicate fields in the DataTable. /// /// Filter the rows with duplicate fields in the DataTable./// /// /// /// Public DataTable SelectDistinctByField (DataTable dt, string FieldName){DataTable returnDt = new

I recently worked on a c # winform project and encountered a problem in determining whether the network is connected normally. Later, we found the following methods for your reference.1. method 1Using System;Using System. Collections. Generic;Using

When many projects are started, they need to connect to the database. Therefore, it is necessary to determine whether the database server is started. How can we determine whether the database server is started? You can judge whether the database

Static int buffersize = 18; // hexadecimal size (6 bytes)Byte [] buffer = new Byte [buffersize]; // create a buffer Private void button#click (object sender, EventArgs e){SerialPort1.Read (buffer, 0, buffersize );String ss;Ss = byteToHexStr (buffer);

Hexadecimal xor FFFF, and then convert it to hexadecimal, for example, (FEFA Xor FFFF) + 1-> 10 hexadecimal/10 (FEFA Xor FFFF = 105 (hexadecimal) + 1 = 106 (hexadecimal) = 262 (10 hexadecimal)/10 = 26.2 String s1 = 'fefa ';Int dec1 = Convert. ToInt3

Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text;Using System. Windows. Forms;Using DocumentFormat. OpenXml. Packaging;Using DocumentFormat. OpenXml. Wordprocessing;Using System. IO; Namespace ConsoleApplication15

Number of data types: System. compatible with CLS? With or without symbolsSbyte 8 SByte NoUshort 16 UInt16 NoUint 32 UInt32 No noneUlong 64 UInt64 NoByte 8 Byte is noneShort 16 Int16 hasInt 32 Int32 hasLong 64 Int64 is availableIn C #, the integer

Encapsulation attributesThe iterator automatically reads data using the get identifier.The producer automatically writes data using the set identifier. Sample Code:Struct Time{...Public int Hour // No (), H instead of h{Get {...}Set {...}}Private

1. Classes and objectsThese two concepts are completely different and cannot be confused.A Class is a prototype that defines variables and methods for certain types of objects. It represents the abstraction of a class of things with common

XML Serializable Generic DictionaryXML Serializable Generic DictionaryFor some reason, the generic Dictionary in. net 2.0 is not XML serializable. The following code snippet is a xml serializable generic dictionary. The dictionary is serialable by

Return the value of this variable. The simplest application is division. For example, you need a division method to obtain the remainder and quotient at the same time. However, a normal method can only obtain one return value, in this case, you can

Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text;Using System. Reflection;Using System. IO; Namespace ConsoleApplication1{[System. AttributeUsage (AttributeTargets. All, AllowMultiple = false)]Public class

To understand how LUA can be used in our GDEX, I decided to study how to better encapsulate a lua-based APP framework in WPF.   Today, we first made a simple encapsulation of Lua for C. Anyone who has used Lua in C # knows that when using C # To

Some strange phenomena occurred when SelectNodes was used in C # today. Let's start by restoring the site.First, create a simple XML file to test, or save it as test. xml.  Joe 17 Kate 12 Parry 66 Qiqi 32 David 23 Eath 54   Below is my C #

Previous: http://www.bkjia.com/kf/201206/134062.htmlTypical examples of delegation and event: Using System;Using System. Collections. Generic;Using System. Text; Namespace Delegate{// Water HeaterPublic class Heater{Private int temperature;Public

We all know that the so-called program is to operate the incoming data and finally output the processed data to the user. In our programming, data is transmitted through function (or method) parameters, and then processed data is output through