C#

The list collection is common in the development process, and often we want to do a series of operations on the collection, this article describes how to sort the elements within the collection, and the blogger makes a simple WinForm application to

usingSystem.Security.Cryptography; Public Static stringEn32 (stringstr) { stringPWD =""; MD5 MD5= MD5. Create ();//instantiate a MD5 pair of images//after the encryption is an array of byte type, here should pay attention to the choice of

[Reconstruction learning] 01 reconstruction and performance, reconstruction learning 01 Performance Refactoring does not mean better performance, but Refactoring can make performance optimization easier !!! About writing high-performance

C #: verify the correctness of PLSQL statements with parameters in Oracle databases, In the Oracle database C # project, there is a requirement that PLSQL statements with parameters are configured on the interface, but the correctness must be

MVC download Excel, mvcexcel Method 1: Public ActionResult DownExcel () { Var stream = list. Select (p => new{P. UserName,P. Mobile,Status = CommonUtilities. GetEnumDescription (p. Status ?? 0)}). ToExcel ("sheet1 ",New ColumnMap ("UserName",

Lucene full-party retrieval framework and Lucene retrieval framework 1. When is Lucene?It is a full-text search framework, not an application product. It is just a tool that enables you to implement certain products, and can be used without being

Redis Summary (ii) How to Use redis in C, In the previous article, we talked about installing redis "Redis Summary (1) Redis installation", and also introduced the advantages and application scenarios of redis. This article focuses on how to use

X01.TestViewContent: plug-in test and browser plug-in Test Developing the SharpDevelop plug-in system is essential for learning. 1. First download the source code on github to ensure that the compilation and running are correct. 2. add the

Powerful Request. QueryString ["id"], Request. Params ["id"], request. params // common form submission method: Request. form ["id"] // get the Form variable set // js submit (for example: "Add. aspx? Id = value "), we use Request. queryString ["

C # concatenate jQuery methods, JQuery method concatenation is very convenient to use, and can simplify the statements to make the code clear and concise. Can C # class methods implement similar functions? Based on these questions, I studied

A custom abstract class is used to calculate the area of a circle and to customize the area of a circle. 1 using System; 2 using System. collections. generic; 3 using System. linq; 4 using System. text; 5 6 namespace Test07 7 {8 /********************

The DataTable and object classes written many years ago are converted into datatable entities.Introduction I have been using Ado.net many years ago and gradually transformed to other orm systems. During the transformation process, I intend to

C # Learning diary 30 --- generic classes, generic methods, generic delegation Generics allow you to delay writing the data type specification of the programming element in a class or method until it is actually used in a program. In other words,

Use Async and Await asynchronous programming MSDN, asyncawait By using asynchronous programming, you can avoid performance bottlenecks and enhance the overall response capability of applications. However, traditional technologies for writing

Class, find the area of the rectangle, use the area of the rectangle 1 using System; 2 using System. collections. generic; 3 using System. linq; 4 using System. text; 5 6 namespace Test09 7 {8 // class MyClass1 9 // {10 // private int width = 0; //

Fresh_bank, fresh_bank I recently learned a new bank system to share with you. The new guy asks for a cover!   Cable breaking_ Chain gun _ This topic is straightforward. If we want to write the bank systemFirst considerThis question: how many

Implement an object verification Library series and verification Library SeriesPast Situation Review: Previous Article 2) the validator implementation briefly describes the simple implementation of the validator This article will talk about the

Implement an object verification Library series and verification Library SeriesPast Situation Review: Previous Article 0) describes the Directory and library structure, and briefly describes the code structure of the next database. This article will

Memcached coexist with multiple instances in windows, while memcached instances coexist. Source: http://blog.csdn.net/xingxing513234072/article/details/39343999 The-d install command of memcached.exe does not seem to work when other parameters are

Compile the lightweight ajax component 01-compare various implementation methods on the webform platform, 01-webform Preface Asp.net WebForm and Asp.net MVC (MVC) are both web development frameworks based on Asp.net. There is a big difference