.Net Core

Processing large batches of concurrency and processing concurrency How to handle massive Concurrent Data Operations File Cache, database cache, optimized SQL, data shunting, horizontal and vertical division of database tables, and optimized code

Ref out, ref In the method body, if the parameter is modified with out, the parameter must be assigned a value in the method body. In the function that calls the parameter, you do not need to assign a value to the parameter modified with out.  

Encryption tools, encryption5. SHA1 Encryption // Sha1 encryption public static String getSha1 (String str) {if (str = null | str. length () = 0) {return null;} char hexDigits [] = {'0', '1', '2', '3', '4 ', '5', '6', '7', '8', '9', 'A', 'B', 'C',

Asp.net rewrite OnException to return json or jump to a new page, onexceptionjson Protected override void OnException (ExceptionContext filterContext) {// exception records can be recorded in the database or text, or other logging components. //

VS2017 generates a solution error, prompting that access to the path is denied. vs2017 Solution Currently, my vs2017 version is 15.3.5.The following message is sometimes prompted when a solution is generated: In the beginning, we thought it was

EF architecture ~ Dapper. Contrib cannot translate the data into a database, so do not use it. dapper. contriblinq Back to directory Dapper is a lightweight data access framework, which requires users to do SQL by themselves. It is just a data

HttpWebRequest request for a webapi with oau2authorization, OAuth 2.0 considerations:1. When obtaining access_token, use POST1 private static string GetAuthorization (string username, string password) 2 {3 string authorization = string. format ("{0 }

Ubuntu + mono + PetaPoco + Oracle +. net Program deployment, ubuntupetapoco Deploy the. net console Program (connected to the Oracle database) developed in windows to ubuntu. The lab machine is a virtual machine Ubuntu16.04 amd64Install the Mono

Fragmented records of Asp.net knowledge and experience, 1. SolutionIIS7.0"HTTP Error 404.15-Not Found request Filtering module is configured to reject requests that contain too long query strings"Problem Solution 1: insert system. web nodes in the

Docker ~ The image aspnetcore2.0 lacks libgdiplus, For microsoft's official image microsoft/aspnetcore2.0, it does not install the libgdiplus package, so when you use draw to draw a picture, there will be some problems, we usually install a

Log4net configuration, Generate logs:  

The Inlines. Clear () of the section Element Set of the Wpf control RichTextBox (in IME mode) and the PreviewTextInput event of the control, Requirement: parse the input content in RichTextBox in real time. line feed is not allowed. DESIGN: Since

Simple crawler, crawling to the blog garden article title, crawler blog article title It took several hours to write a small program with no technical skills. I wrote a blog for the first time. I am a newbie and want to record my learning. Running

Use of asp.net core AuthenticationMiddleware in WebApi, Use Authentication Authorization in the. net framework 4.5 architecture ). IIS uses HttpModule for Authentication. You can select your own Authentication method and. configuration in config,

. Net Core uses Socket to communicate with Raspberry Pi, coresocketPreface Last year, I bought Raspberry Pi, which had been put in a drawer for gray purposes. A few days ago, Debian 9 was released, and I was not surprised to support Raspberry Pi. So

C # basic notes (Day 5 ), 1. for LoopForward-order LoopFor + tabFor (int I = 0; I Inverted LoopForr + tabFor (int I = length-1; I> = 0; I --) 2. daffodilsThis hundred-bit hundreds of cubes + Ten cubes + cubes = this hundred-bit100 bits: num/Ten:

Log4net. dll addition error, log4net. dll addition Error Description: Create a Log4Net class library project, add log4net. dll, and encapsulate the Log class to operate logs. Create a webForm project and add the dll generated by the Log4Net class

C # basic notes (Seventh Day ), 1. constants, enumerations, structures, Arrays 2. In the Main () function, call the Test () function. We call the Main () function as the caller,The Test () function is called the caller.If the caller wants to obtain

C # basic notes (Day 10 ), 1. Fields, attributes, methods, constructorsField: Data StorageAttribute: protection field, which limits the value and set value of the fieldMethod: describes the behavior of an object.Constructor: Initialize an object

C # basic notes (the next day ), 1. Escape CharacterRepresents a '\' + a special character to form a special character\ N indicates line feed\ "Represents a double quotation mark\ T indicates a tab key space\ B indicates a backspace key, which has