.Net Core

File log writing and reading, file log writing and reading   Private static string logPath = @ "D: \ LogS \ Logs \"; Public static string FloderPath{Get{Return logPath;}Set{LogPath = value;}} Private static object lockHelper = new object (); //

Compound index (reprinted) and compound index reprintedComposite Index I. concept:A single index refers to the case where the index column is one column, that is, the statement for creating an index is only implemented on one column;You can create

Asp.net core manages IIS on windows for detailed steps, coreiis Summary In a recent project, I tried to use asp.net core for development. During deployment, considering the existing hardware, it can only be deployed on windows, but not on linux

MVC @ Html. Raw () usage, mvc@html.raw usage @ Html. Raw () method outputs a string with html tags, For example: @ Html. Raw (" output string ") Result: The output string is a string in red) Use Html. Raw in Razor (this method is

SQL does not repeatedly search for data and concatenates a column of multiple rows into one row. SQL multiple rows See the following table: Table Name: Test ID RowID Col1 Col2 1 1 A A 2 1 B A

Use AngularJs language in ASP. net mvc (V): ng-selected, This time I learned the ng-selected syntax. This is the default option for the DropDownList drop-down list.This example starts with the following steps: 1. Create a model: The property of the

C # parse Json, 1. parse JSON data Tool: Newtonsoft. Json class library/dll Currently, I only use this class library to parse json data. This class library can be used to directly serialize and deserialize C # And JSON. First, I copied a piece of

In WPF, modify the style of The ListBox item and modify the background color of the selected item. Final effect: 　　 1 2 3 4 5 6 7 8 9 10 11 12 42 43 44 45 46  

Python3 Study Notes 4 --- reference http://python3-cookbook.readthedocs.io/zh_CN/latest,Data Structure and algorithm (4) 1.16 filter sequence elements The simplest method to filter sequence elements is to use list derivation. For example: >>> mylist

ASP. NET Core 2.0: 4. _ Layout and _ ViewStart, _ layout_viewstart In this chapter, we create a new project and familiarize ourselves with _ Layout and _ ViewStart and their loading sequence.Create a project First, file-> Create a solution Select

C # send and receive data through ACtiveMQ p2p,1. Download ActiveMQ Http://activemq.apache.org/2. Run ActiveMQ Uncompress apache-activemq-5.10.0-bin.zip, and double-click the apache-activemq-5.10.0 \ bin \ win32 \ activemq. bat to run the ActiveMQ

MVC + Layer 3 + ASP. NET simple login verification, mvcasp.net Create a small logon case to build a simple layer-3 MVC Create a master page under View -- Shared: @ ViewBag. title User Management System @ if (Request.

Linq processes List data, and linq processes list data. Overview:It is also called Language Integrated Query. It is a query language similar to SQL. Language integration query is available to developers. NET Programming Language (such as C #) to

Briefly describe the usage differences between System. Windows. Forms. Timer and System. Timers. Timer, System. Windows. Forms. Timer Form-based applications Blocking Synchronization Single thread A long processing time in timer results in a large

C # delegation event entry-lecture 1: delegation entry, Speaking of delegation, some people who are just getting started with c # Feel very high and have never touched on it. But in fact many people have used Lambda expressions. Actually, Lambda

Authentication is used for identity authentication and login with Forms, When logging on, you do not need to use your own logic to determine whether a user is logged on or not, so you can search the Internet and find that this method is still

ASP. NET: Use async/await, asp. netasyncawait C #5.0 introduces the async/await keyword to simplify the asynchronous programming model. Throwing away the syntactic sugar is Net4.0's Task + state machine. In fact, it is quite simple to use tasks in

Multithreading programming learning notes-using concurrent sets (1), multithreading programming learning notes   Introduction to multithreading programming learning notes-async and await (I)   Multi-thread programming learning notes-async and await (

Business Needs: dynamically generate tables. cells with the same data in the same column must be merged.Solution: Create a Table control processing class. The Code is as follows:Copy codeThe Code is as follows:/// table control related operation

The logical (boolean) operator is used to calculate the expression of the result of the boolean type. The result of the operation is boolean type. The calculation result is as follows: Operator example result& AND (AND) false & true false| OR (OR)