LINQtoCSV
LINQKit
| LINQtoCSV | LINQKit | |
|---|---|---|
| 3 | 6 | |
| 196 | 1,570 | |
| - | - | |
| 0.0 | 3.5 | |
| 9 months ago | 4 months ago | |
| C# | C# | |
| Copyright 2014 | MIT License |
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LINQtoCSV
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Blazor and .NET 8: How I Built a Fast and Flexible Website
In this repository class I use the LinqToCSV library to open and read all of the content from the file into a Post object in the first method, GetPostsFromDisk. Later, in a public method called GetPosts, you see where I use the in memory cache feature of ASP.NET Core to fetch data from the cache if its available or get it from disk and store it in cache for 30 minutes. I could probably extend this timeout to several hours or even days since the website doesn’t get any new content without uploading a new version of the site.
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What do you think is more readable when using LINQ: Query Expressions or Method Expressions?
For example, from your links: https://github.com/mperdeck/LINQtoCSV
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Azure Active Directory reduced core count from ~40k to ~20k by migrating to .NET Core 3.1
It was an old Nuget package for being able to use LINQ on csv files. Original packages dates back to 2008 and last changes were made some 7-8 years ago. From the looks of things the author and maintainer isn't responding anymore to issues being logged on Github for the project.
LINQKit
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What your hidden nuget gems ?
I also enjoy LinqKit (mentioned here). Really cool way to build a LINQ predicate.
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EF Core Include where
I would suggest to install LINQKit Configure DbContextOptions: cs builder .UseSqlServer(connectionString) .WithExpressionExpanding(); // enabling LINQKit extension
- Як я мігрував з EF 6 до EF Core 5
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Build dynamic Linq filters (aka. where() predicates)
Nice! At work we do something similar, but we use the predicate builder of linqkit: https://github.com/scottksmith95/LINQKit
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Expression<Func<T>> usage in filters and sorting
To answer your other question, you can use something like PredicateBuilder to compose predicates for use in Where and OrderBy methods. To define your OrderBy with a boolean (or string or enum) to denote the ordering, you would have to make an extension method like so:
What are some alternatives?
Entity Framework - EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.
Linq.Expression.Optimizer - System.Linq.Expression expressions optimizer. http://thorium.github.io/Linq.Expression.Optimizer
LINQ to DB - Linq to database provider.
dynamic-linq-query-builder - A truly generic and dynamic linq query builder to compliment jQuery QueryBuilder and other dynamic linq query generation needs
Dapper - Dapper - a simple object mapper for .Net [Moved to: https://github.com/DapperLib/Dapper]
System.Linq.Dynamic.Core - The .NET Standard / .NET Core version from the System Linq Dynamic functionality.
NPoco - Simple microORM that maps the results of a query onto a POCO object. Project based on Schotime's branch of PetaPoco
Dapper Extensions - Dapper Extensions is a small library that complements Dapper by adding basic CRUD operations (Get, Insert, Update, Delete) for your POCOs. For more advanced querying scenarios, Dapper Extensions provides a predicate system. The goal of this library is to keep your POCOs pure by not requiring any attributes or base class inheritance.
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.
MongoDB Repository pattern implementation
MongoRiver.NET - A library for writing .NET MongoDB oplog tailers.