c#6 null condition operator _c# Tutorial

1. The old version of the code Namespace CSHARP6 { internal class person {public string Name {get; set;} } Internal class program { private static void Main () {person person = null; string name = NULL; if

C # Programming and Visual Studio usage tips (top)

Not interested in the prologue? OK, let's go straight to the chase, here are 10 C # programming and Visual Studio IDE usage tips. 1, Environment.NewLine Do you know that this property is platform-independent? Allows you to output new newline

C # Learning Diary decimal type of---data type

Decimal type of value type: C # specifically defines a decimal type (decimal) for us, which is not a sub-type of the previous C + +, and is primarily used for financial or credit calculations. The decimal type is a high-precision, 128-bit data

Summary of key points of C + + review (i.)

C + + 's strengthening of language--type strengthening 1. Register keyword Enhancement Register keyword requests the compiler to put the variable directly inside the register, fast. The register-modified variable in the C language cannot take the

Save data in txt/excel format from 0 self-paced c#03--file streams

This paper mainly introduces DataTable, log logs, file stream FileStream, StreamWriter class, and saves the data in TXT and Excel format. 1. Create a testdatatable class The CreateTable () method creates a data Table,savetabletoexcel (string

ASP. NET core integrated kindeditor for image upload function

This article for you to share the ASP. How to integrate kindeditor and implement the image upload function of the specific methods for your reference, the specific content as follows Preparatory work 1.visual Studio UPDATE3 Development environment 2

C # Regular Expression open-source tool

First to explain the background, the recent work often use regular expressions, and the regular expression of this thing I personally feel very chicken, do not, some of the functions can be very cumbersome to achieve. Use it, not to say that work is

CLR (Common Language Runtime) and IL (Intermediate code) in C #

CLR in the. NET Platform The first thing to note is that. NET platform is not the same as C # it is a platform for C#,vb.net and other programs to run. The CLR is the common language runtime and is an important part of the. NET Framework. It

Configuring the. NET continuous integration environment for Jenkins

At the end of last year, thanks to the company's introduction to Jenkins, we took the first step in continuous integration, and this article does not dwell on how to install Jenkins, and the main focus is on configuring the. Net environment. In

C # WebService Publishing and IIS Publishing

The first thing we have to do is to open the IIS (Internet Information Service), I use WIN8 system, so here with the WIN8 system operation in terms of First, some pre-operation of IIS 2. After entering the program we find the ability to turn

C # Tutorial C # interface (Interface)

C # interface (Interface) The interface defines the syntax contracts that should be followed when all classes inherit an interface. The interface defines the "what" part of the syntax contract, and the derived class defines the "How to" section of

"C # Tutorial" C # unsafe code

C # unsafe code C # allows pointer variables to be used in a function when a block of code uses the unsafe modifier tag. Unsafe or unmanaged code refers to a block of code that uses a pointer variable. Pointer variable A pointer is a variable that

Asp. NET in Jquery+ajax call back

When making the ordering system mobile phone side, encountered a problem, to implement the login function, I want to invoke the background method to verify and judge. We use WebForm to develop, under normal circumstances, as long as the method of

Redis Tutorial (12): Summary of server Management commands

First, overview: Redis was defined at the beginning of the design as a long uninterrupted service process, so most of the system configuration parameters can be effective without restarting the process. Even switching the current persistence mode

ASP. NET uses Ajax

Prior to the initial understanding of Ajax introduced the initial understanding of Ajax, This article will show you how to use Ajax in ASP. The first is, of course, Ajax with jquery, powerful and easy to operate, and the second is using. NET

Redis Tutorial (V): Set data type

First, overview: In Redis, we can see the set type as an unordered character set, and as with the list type, we can also perform operations such as adding, deleting, or judging whether an element exists on the data value of that type. It should be

How C # list<string> is combined into strings based on delimiters

This article, as a knowledge point record, mainly describes how to combine a list generic collection into a string string based on delimiters (such as commas). Before the earliest, it was often used in a circular way to stitch into strings, not only

C # -- pass the value parameter (3 ),

C # -- pass the value parameter (3 ), In the previous article, I learned the value parameter-reference type.This time, we will work with you to learn to pass the value parameter-reference type. We will only operate on objects without creating new

C # I = 0; I = I ++, what is the value of I ?,

C # I = 0; I = I ++, what is the value of I ?, Reference

Emit Learning (2), emit Learning

Emit Learning (2), emit Learning Learning Emit is essential to use the IL intermediate code. when I first saw the IL code, I had a feeling of assembly. It reminds me of learning 8051 assembly language in college. if there are too many commands, you

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