C#

1, passing by value Values are passed by value, the substance of the reference type by value is the pass-through value, when the argument is a value type, the "value" is the instance itself, so the instance copy is passed, the original instance is

What is the difference between C and C + +? A: C + + adds classes based on C, and C is a structured language that focuses on algorithms and data structures. Software engineer interviews, routines are similar, this time about the problem, next time

This article mainly describes how the. NET Core uses the Redis publishing subscription, the small part feels quite good, now shares to everybody, also gives everybody to make a reference. Let's take a look at it with a little knitting. Redis is a

This share is a distributed mail system built by Netcore, mainly using Netcore API and console application, because this system belongs to the company, so we can only share the design diagram and some simple non-design business class or method Why

This article mainly introduced the WEBAPI realizes the communication encryption method, has the very good reference value, below follows the small compilation together to look down I. Scenario Description: Title How effective, the smallest amount

This article mainly solves the problem of file upload in. NET Core development environment: Ubuntu+vscode. This article introduces you to the very detailed, interested friends to see together The previous article introduced to you the MVC File

This paper mainly introduces the. NET client implements the knowledge of pipelines (PipeLine) and Things (transactions) in Redis. Have a good reference value, follow the small series together to see it Preface Pipeline (PipeLine) features in Redis:

This article mainly describes the C # implementation of Access universal access Class Oledbhelper, combined with a complete example of C # for Access database connection, query, traverse, pagination display and other related operations skills, the

Send mail via smtp server:// TxtFrom. text is the sender's email address, and txtGet. Text is the recipient's email address.MailMessage Mail = new MailMessage(this.txt From. Text, this.txt Get. Text );Mail. Subject = this.txt Subject. Text. Trim ().

1 Use of DLLImportUsing System;Using System. Runtime. InteropServices; // namespaceClass Example{// Use DllImport to import Win32 MessageBox Functions[DllImport ("user32.dll", CharSet = CharSet. Unicode)]Public static extern int MessageBox (IntPtr

The front-end time has just completed a project and finally has time to summarize and review it. Project requirements: send emails to users. emails are classified into system emails and personal emails, which need to be sorted by time and unread in

Requirement: a search function in the website requires an out-of-site search. Here I use Google search.   Custom Search address: http://www.google.com/custom? The. com and cn search result pages contain some advertisements, which is not conducive to

This code is used to import and export DataTable files in xml, excel, and csv files. Record the code for future use. Be sure to import the excel file and add a reference to Microsoft. Office. Interop. Excel 11.0. Default. aspx. cs File Using

Understand the Thread. Sleep function and the thread. sleep function.  We may often use the Thread. Sleep function to suspend the Thread for a period of time. Do you understand the usage of this function correctly? Consider the following two

Xamarin Android binding SDK, xamarinandroid Almost all apps are now integrated with Weibo and other functions shared by social platforms. These social platforms also provide sdks for developers. for Android and IOS platforms, you only need to

C # selecd, new, virtual, abstract and override, Most of the content in this article is taken from. NET development expert Liang jian. NET:. NET in-depth experience and practical needs. The blogger is only a porter. Abstract classes are not very

C #5 support for asynchronous programming is undoubtedly the first new feature, which has been written in my article http://www.mindscapehq.com/blog/index.php/2012/03/13/asynchronous-programming-in-c-5/ last week. However, there are some other new

From the user's point of view, when a program encounters an exception, you only need to give a simple prompt. but from the developer's point of view, very detailed information is required, which is useful for tracking bugs. exception-related details

The system. threading namespace provides classes and interfaces that enable multi-threaded programming. There are three methods for creating threads: thread, threadpool, and timer. Next I will give a brief introduction to their usage methods one by

Today, I have nothing to worry about. I suddenly want to test the efficiency of the three commonly used languages C #, C ++, and Java in floating point operations, guess what the result is. The first is the algorithm. It calculates a 100*100