EfCoreinAction-SecondEdition
Entity Framework
| EfCoreinAction-SecondEdition | Entity Framework | |
|---|---|---|
| 2 | 91 | |
| 379 | 13,435 | |
| - | 0.7% | |
| 0.0 | 9.9 | |
| over 1 year ago | about 8 hours ago | |
| C# | C# | |
| MIT License | MIT License |
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EfCoreinAction-SecondEdition
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problem with js in razor pages
Got this approach to making a dropdown from Jon P Smit's app https://github.com/JonPSmith/EfCoreinAction-SecondEdition
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QueryObjects and filtering by fields from the linked tables
I want to write a filter like here /BookServices/QueryObjects/BookListDtoFilter.cs (Query Object pattern) but applying to my situation. I have a Course table, which is linked to tables Module and Instructors as Course-Instructors like Many to one and Course to Modules like One- to- Many. One Module might have many videos (one -to - many). I need to filter courses by Instructor and by the Duration. How would i achieve that? I think that at first I probably need to alter CourseDTO class to include fields of interest there (Duration and Instructor's name) to be able to fill in them through linq queries in subsequent stages?
Entity Framework
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Runtime code generation and execution in Go
This looks like a fun project but for serious work, if you need runtime codegen, you should use .NET which has been successfully using reflection and IL emit for more than a decade:
- Regex https://github.com/dotnet/runtime/blob/main/src/libraries/Sy...
- Json https://github.com/neuecc/Utf8Json/tree/master?tab=readme-ov... (this project is archived but nonetheless impressive and continues to show good numbers despite obsoletion)
- LINQ to DB query compilation https://github.com/dotnet/efcore/blob/main/src/EFCore/Query/...
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20 Top C# Frameworks and Libraries on GitHub for Building Powerful Applications
2. Entity Framework Core
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Did GitHub Copilot increase my productivity?
EF Core 8? Inconsistent behavior is not expected.
Please consider submitting an issue(s) to https://github.com/dotnet/efcore
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Assumptions in Software Development (with EF Core as example)
We might assume that this filter is built on the fly, when an instance of DbContext is created, but that is not true. Building configuration is expensive, so EF Core builds it based on condition, and default one is the type of DbContext. Since the type of DbContext will never change, it is built once, and that same configuration is used for all instances of that DbContext. In the current version, global query filter values are no longer added to the filter as constant (I believe since v5) and because of that this will work.
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Multi-tenancy using schemas with Entity Framework and PostgreSQL
* You can check the original CreateMigration implementation at: https://github.com/dotnet/efcore/blob/release/7.0/src/EFCore.Relational/Migrations/Internal/MigrationsAssembly.cs
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Linux or Windows for .net development?
Since .net core came out it's possible to run and write .net code in all platforms. In your experience what is the best when it comes to development experience and resources consumption? I recently moved to Linux Mint as my daily driver and felt that .net on Windows just works better, even with Rider. I struggled with an issue "Platform not supported exception" when trying to connect with the database using EF Core and NET 6.0. A lot of issues about this matter were opened on GitHub and closed without a proper resolution and the Microsoft teams seems to not give a shit about that, most workaround came from the user's who took their time to investigate the issue.
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Show HN: Tankman – An Open Source User Management and Authorization MicroService
Thanks Dave. Looks like sequelize has TypeScript support.
On another note: one of the goals of Tankman is to compile with Native AOT once .Net 8 is out. The EF Core team is working on making it compatible - https://github.com/dotnet/efcore/issues/29754
- EF Core/NET 6 - How to execute sql server stored procedure and get the result set?
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Deploying sqlite database to android emulator
It’s a known issue in the Xamarin / .NET MAUI world. Here’s a GitHub Issue posted 5 years ago detailing the problem: https://github.com/dotnet/efcore/issues/12087
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Duda carrera: C#/.NET vs. Node/Express
Entity Framework: Licencia MIT.
What are some alternatives?
FileContextCore - FileContextCore is a "Database"-Provider for Entity Framework Core and adds the ability to store information in files instead of being limited to databases.
LINQ to DB - Linq to database provider.
Audit.NET - An extensible framework to audit executing operations in .NET and .NET Core.
Dapper - Dapper - a simple object mapper for .Net [Moved to: https://github.com/DapperLib/Dapper]
Pomelo.EntityFrameworkCore.MySql - Entity Framework Core provider for MySQL and MariaDB built on top of MySqlConnector
FluentMigrator - Fluent migrations framework for .NET
PetaPoco - Official PetaPoco, A tiny ORM-ish thing for your POCO's
ServiceStack.OrmLite - Fast, Simple, Typed ORM for .NET
TypeORM - ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.
NPoco - Simple microORM that maps the results of a query onto a POCO object. Project based on Schotime's branch of PetaPoco
RepoDb - A hybrid ORM library for .NET.
SqlSugar - .Net aot ORM Fastest ORM Simple Easy VB.NET Sqlite orm Oracle ORM Mysql Orm postgresql ORm SqlServer oRm 达梦 ORM 人大金仓 ORM 神通ORM C# ORM , C# ORM .NET ORM NET5 ORM .NET6 ORM ClickHouse orm QuestDb ,TDengine ORM,OceanBase orm,GaussDB orm ,Tidb orm Object/Relational Mapping