scaffolding | scaffolding is a very pointless esolang
kandi X-RAY | scaffolding Summary
kandi X-RAY | scaffolding Summary
scaffolding is a dumb esolang. That's basically it. This repo contains my implementation of it's interpreter. The whole idea of it is destructive execution - writing the result of the source code to the same file it's read from. So, effectively, You could just overwrite the source during execution.
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QUESTION
Ok, a rather specific question which requires additional explanation and context.
Context
We are POCing a "try-convert" from a bespoke language to .net core (5 currently) and blazor server. Server because it allows a try-convert scaffolding we can build security concerns round. The details of this are not important. It just explains why we have some constraints which may seem unrealistic under normal circumstances.
I am fully accepting that "no you can't" or even "no you shouldn't" is the likely outcome. We are exploring possibilities.
Question
The concept of a circuit in blazor is a really good fit for the presentation layer. We would like to store information at the scope of the circuit.
The obvious solution is to use a scoped service in the dependency injection container.
E.g. In my Startup.cs I can put
...ANSWER
Answered 2021-Jun-12 at 12:56As far as I understood both your question and the Blazor concepts, the answer to your question is « no ». There is no possibility to retrieve statically the current HTTP context in Blazor. Because you never know if the context is an initial page load or just SignalR communication to update the current page. Here is the manner I save this situation:
Create a cascading parameter that is shared by all razor components
This cascading parameter is a class with many information coming from initial HTTP request, caught in the _Host.cshtml from the httpContextAccessor.HttpContext
This cascading parameter class gets all the methods of my previous static methods.
These methods can use the properties of the cascading parameter: RawUrl, UserAgent, ClientIp, …
This implies hard refactoring work to migrate legacy ASP web sites. But the performances of Blazor are worth it.
QUESTION
I'm using EF Core and have generated the database with migration (code first). In the meantime I have created a View in DB directly and would like to reverse engineer this views in my dbcontext file. I know I can follow this link to get the view but I don't know if this can mess up my existing dbContext class or not.
Is there a recommendation that you only need to use migrations or reverse engineering, or can you mix them depending on the use case you have.
I've always used one or the other, but having the reverse engineering feature in such a case would be great, but I'm not sure if this is a good idea.
Thanks
...ANSWER
Answered 2021-Jun-08 at 17:18I would recommend you to not mix these two things. With reverse engineering, you will get a generated DB context class file, but with the code first approach, you are manually writing the context file.
Why do you want to use reverse engineering? If you want to create the entity classes for the views from the DB, you can use it, but in my opinion this is not so comfortable (you should only keep the changes that are related to the views and drop everything else).
QUESTION
Full project at https://github.com/ysangkok/cabal-profiling-issue
The project contains scaffolding generated by cabal init
. I'll paste the most interesting source snippets now.
In Main.hs
I have:
ANSWER
Answered 2021-Jun-08 at 05:51It is a known problem about compile multi-module program that contains TH code for profiling, see related sections in the documentation:
This causes difficulties if you have a multi-module program containing Template Haskell code and you need to compile it for profiling, because GHC cannot load the profiled object code and use it when executing the splices.
As a workaround, just put TemplateHaskell
into the other-modules
in your test.cabal,
QUESTION
I am trying to run this HTML example https://codepen.io/mediapipe/details/KKgVaPJ from https://google.github.io/mediapipe/solutions/face_mesh#javascript-solution-api in a create react application. I have already done:
- npm install of all the facemesh mediapipe packages.
- Already replaced the jsdelivr tags with node imports and I got the definitions and functions.
- Replaced the video element with react-cam
I don't know how to replace this jsdelivr, maybe is affecting:
...ANSWER
Answered 2021-Jun-07 at 14:59You don't have to replace the jsdelivr, that piece of code is fine; also I think you need to reorder your code a little bit:
- You should put the faceMesh initialization inside the useEffect, with [] as parameter; therefore, the algorithm will start when the page is rendered for the first time
- Also, you don't need to get videoElement and canvasElement with doc.*, because you already have some refs defined
An example of code:
QUESTION
I am evaluating Blazor Server (.net core 3.1) and am encountering a strange issue right at the outset of creating a test app.
Typically, with MVC & EF, you'd add / extend the ApplicationUser class and insert additional properties. When you add a migration, the database model is updated with these properties. This usually works well and allows the storing of additional of properties to each user e.g. DateOfBirth.
In my BlazorServer project, I've scaffolded the "views" and updated all references from IdentityUser
to a custom ApplicationUser
class that I've created:
ANSWER
Answered 2021-Jun-07 at 14:08Did you inherit from IdentityDbContext
? :
QUESTION
I would appreciate help if possible with this. I've come to expect JSON payloads in a particular format and I do not yet know why it's not returning as such.
The payload is including fields for $id and $values
for example this is the response I'm getting
(this is .Net 5)
...ANSWER
Answered 2021-Jun-06 at 03:28The issue was because my use of using System.Text.Json.Serialization; in the startup to utilize ReferenceHandler.Preserve for a looping issue - that I'm still not sure I fully understand
Regardless - removing this resolves the issue
QUESTION
I'm trying to get Entity Framework Core setup inside an empty .NET 5 library.
...ANSWER
Answered 2021-May-28 at 13:54Don't call your class DbContext
. You can't have a class with the same name as the base class. A better name would be TechTestDbContext
:
QUESTION
I created an Entity Framework DBContext. When I did this, it placed the connection string in the following method.
...ANSWER
Answered 2021-May-26 at 22:59If you use Azure, yes key vault is one of the way. Other cloud services provided similar services for secret management.
The strategy would be to implement some sort of caching in memory the first time you read from key vault/secret provider. That way it will reduce the time to get that connection string every time next time or another part of your code want to access the same connection strings.
You can expire the cache so you can kind of reload the connection strings or secrets from the key vault if you would like, it is up to you at the end.
QUESTION
I have this table that uses a temporal table. I have marked [ValidFromUtc] and [ValidTillUtc] as HIDDEN so when I scaffold the table using entity framework it will not generate these properties in the entity.
...ANSWER
Answered 2021-May-25 at 13:44To conclude this ticket I discovered that 3.1 does not scaffold hidden fields when the compatibility level is equal or greater than 130.
In entity framework 2.1 it checks the server version (equal or greater than 13) instead of the compatibility level.
In our case we were running Sql Server 2016 (version 13) but with a lower compatibility level (120). Once we updated the compatibility level to 130 the hidden fields no longer were scaffolded.
These differences can be seen in the following files in the efCore git repo:
efCore 2.1 (line 538) https://github.com/dotnet/efcore/blob/release/2.1/src/EFCore.SqlServer/Scaffolding/Internal/SqlServerDatabaseModelFactory.cs
efCore 3.1 (line 621) https://github.com/dotnet/efcore/blob/release/3.1/src/EFCore.SqlServer/Scaffolding/Internal/SqlServerDatabaseModelFactory.cs
QUESTION
As is visible from the image, the scaffolding for the rangeslider is generated but the trace inside it is not. It is also fully functional otherwise. With some experiment, I found that only if you set the no. of rows to 500 or less, it displays correctly. Is there a way to display it for rows more than that? Here is the code to reproduce-
...ANSWER
Answered 2021-May-24 at 14:20This works in graph_objects
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