problem description previous .NET programs we may identify hardware information such as processor or hard disk serial number. To prevent the program from being copied to another computer without authorization. current .NET Core programs may have Linu...
I used asp.net core version 2.1 sqlite before the database was used, I added several data structures to XXXContext AAA BBB CCC in the Nuget console and entered the command Add-Migration test and Update-Database sqlite successfully created all the ...
create a new demo project testdotnetcore2, with the asp.net core webapi template in visual studio 2017 and publish it to the remote server (Tencent Cloud server CentOS 7). then when dotnet testdotnetcore2.dll is run on the release directory of Tencent...
encountered a requirement. After modifying the appsettings.json file, you need to trigger a cascading event with modified settings. Does anyone know how to get this OnChange event? configure the appsettings.json code as follows: new ConfigurationBuil...
I read the appsetting.json configuration of ASP.NET Core in the following ways services.Configure<MyConfigs>(Configuration.GetSection("MyConfigsSection")); the configuration is read out and injected into Controller or Class using , but...
how many Synchronize requests can be triggered by the ajax of query? ...
select I. I. ID. I. Price. I. Amount. Name from orderitem i, goods g where order_id =? And i.goods_id = g.id java.sql.SQLException: Cannot create com.yanzi.model.OrderItem: com.yanzi.model.OrderItem Query: select I.id from orderitem i, goods g where or...
WeChat Mini Programs generates his own QR code based on user information, and others can get points for scanning and sharing the QR code. What s the idea of this? ...
get the target image from the background canvas through the getImageData () method, which is square. Now you want to make the square into a jigsaw puzzle . s r ctx_ceng.beginPath(); ctx_ceng.moveTo(0, cY...
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