C#

Use C # To process bitstream-based data,Use C # To process bitstream-based data  0x00 cause Recently, we need to process some bit stream-based data. Generally, the computer processes data in bytes (8 bit). This is also true for data read using

C # file similarity determination, During development, uploading and downloading files is common. To prevent multiple operations on the same file during file operations, you need to compare the file with each other: 1. Obtain the absolute path of

Java attack C # -- syntax ADO. NET, Summary of this Chapter The previous chapter describes the basics of C # syntax. After learning about the basic components, we need to know what C # looks like as a data warehouse. C # The knowledge

Big talk asynchronous and parallel (2), big talk Asynchronous Parallel Next, the previous article continued to talk about Asynchronization and parallelism. Parallelism comes from the implementation of the thread method, and asynchronous is not

Csharp: The difference between ODP. NET and System. Data. OracleClient (. net 4.0) Reading Oracle g 11.2.0, csharpodp.net ODP. NET: Reference: Using Oracle. DataAccess; // Oracle g 11.2.0using Oracle. DataAccess. Client; using Oracle. DataAccess.

Export excel by writing html code to the page, and export excel by html code 1 // excel file name 2 string filename = "Attendance summary"; 3 StringBuilder ExcelHtml = new StringBuilder (); 4 ExcelHtml. append (" "); 5 // splicing the first line

Form close event, form event   Click the selected form and then find the corresponding event.   This is an example on Baidu. It mainly involves: First click the selected form, then go to the event bar to find the FormClosing event,

C # NPOI export EXCEL, Dll files need to be introduced           Using System; using System. collections. generic; using System. linq; using System. text; namespace CSR_Web.Common {public class NPOIExport {public static NPOI. HSSF. userModel.

Four types of SQL connections: left Outer Join, right Outer Join, inner join, and full join.    The join condition can be specified in the FROM or WHERE clause. We recommend that you specify the join condition in the FROM clause. The WHERE and

C # general review, Int a = 5;A ++;++;Console. WriteLine ();Console. ReadLine (); Int a = 5;// Int B = ++ a; // a = a + 1; int B =;// Int c = a ++; // int c = a; a = a + 1;Int B = a ++;Int c = ++;Console. WriteLine (a + "\ t" + B + "\ t" + c

[C #] asynchronous programming,Analyze Asynchronous Method order This is the second chapter in the previous article "getting started with async/await asynchronous programming" (getting started). It is mainly about an in-depth understanding of

C # convert struct into byte streams,1. Convert the basic type to byte array storage 1 private byte[] CreateNetDataByteStream(ushort system, ushort host, ushort type, byte[] tx_buf, ushort msg_len, ushort flag) 2 3 { 4 5 if

Base class for batch data insertion in mysql, mysql insert You have designed a mysql database to add data base classes in batches. It is used to add data to the mysql database in batches. sub-classes are easy to implement and the self-testing

C # simulates a pattern matching and matching value extraction, Abstract mode Description: msdn describes it as follows: "Mode" is a rule used to convert input data. The mode will be used in the entire F # language. It compares data with one or more

Quick grasp of Gif Dynamic Graph implementation code and gif Dynamic Graph code Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger. Gif is a dynamic image. Many

When should I use interfaces and abstract classes ?, Interface abstract class Take database operations as an example:The Insert Update Select statement must be used for database operations. Therefore, the Insert Update Select statement is used as an

Introduction to the open-source. net Communication Framework NetworkComms framework 3 transfer List,. netnetworkcomms Http://www.cnblogs.com/csdev Networkcomms is a C # language written TCP/UDP Communication Framework author is British previously is

C # Use events to Implement Asynchronous calls, Question: The time-consuming operations in the winform program are generally not executed in the UI thread. You need to open another thread. We usually need to display the results on the UI after the

C # use of common collections (reproduced ), Most Collections are in the two namespaces System. Collections and System. Collections. Generic. Specifically, System. Collections. Generic is used for Generic sets. The Collection types of specific types

IEnumerable first. Do you really understand the foreach we use every day ?, Ienumerableforeach Let's first think about several questions: Next, let's start our text.Self-implemented iterator In. net, the iterator is implemented through the