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Oleg Kyrylchuk Profile picture
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25 Dec, 30 tweets, 8 min read
EF Core 6.0 new features. 48 code samples.

The biggest thread of mine so far. With sub-threads. The last this year.

It took me almost two months to go through many new features in EF Core 6.

Retweets are appreciated 😊

#dotnet6 #efcore6 #coding #devcommunity
A new Unicode attribute
A new Precision attribute
A new EntityTypeConfiguration attribute
Support of temporal tables
Support of sparse columns
Minimal API in EF Core
Migration bundles
Pre-convention model configuration
Compiled models
Specifying columns order with Column attribute
HasConversion supports built-in or custom value converters
Many-to-many without additional configuration
Scaffolding many-to-many improvements
Scaffolding nullable reference types
Scaffolding database comments
AddDbContextFactory also registers DbContext
DbContext pooling without dependency injection
A new enum CommandSource has been added to the CommandEventData type
Value converters allow converting nulls
Set temporary values explicitly
SQLite supports DateOnly and TimeOnly
SQLite connections are pooled
A command timeout in SQLite
Savepoints in SQLite
In-memory database validates required properties
EF.Functions.Contains with value converters
LINQ query enhancements
Cosmos provider enhancements
All code samples you can find on my GitHub
github.com/okyrylchuk/dot…

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More from @okyrylchuk

Oleg Kyrylchuk Profile picture
26 Dec
This year I've met on Twitter a lot of amazing folks 🙂

Thank you for interacting with me to all in the circles and beyond 😊
Circle 1
@BelloneDavide
@ppenza
@badamczewski01
@MarusykRoman
@gsferreira
@dustinmoris
@foo_fighter
@KatyCodesStuff
Circle 2
@ErikEJ
@cezary_piatek
@GozukaraFurkan
@Franc0Fernand0
@SajuShajil
@phorsight2020
@GriyoPikliz
@WalenciukC
@rahulpnath
@carlcod_es
@hypeartistmusic
@SabitK
@tckscz
@druzgala_marcin
@BuildItBusk
Read 5 tweets
Oleg Kyrylchuk Profile picture
23 Dec
LINQ query enhancements in EF Core 6.0 thread.

12 features with code samples.

Retweets are appreciated 😊

#dotnet6 #efcore6 #coding #devcommunity
Better support for GroupBy queries
String.Concat translation with 3 and 4 arguments
Read 14 tweets
Oleg Kyrylchuk Profile picture
2 Nov
A big thread of new APIs in the .NET 6. 🧵

Retweets are appreciated ☺️

#dotnet6 #coding #devcommunity #programming
Reflection API for nullability information.
Reflection API for nested nullability information.
Read 20 tweets
Oleg Kyrylchuk Profile picture
5 Oct
A thread about LINQ improvements in .NET 6 🧵

As always, retweets are appreciated 😌

#dotnet6 #linq #coding #devcommunity
Override default value in '*OrDefault' methods.
New 'MinBy', 'MaxBy', 'DistinctBy', 'ExceptBy', 'IntersectBy', 'UnionBy' methods.
Read 8 tweets
Oleg Kyrylchuk Profile picture
26 Sep
All my tweets about C# 10 features in one thread. 🧵

Retweets are appreciated 😊

#dotnet #csharp #coding #devcommunity
Constant interpolated strings
Extended property patterns
Read 15 tweets
Oleg Kyrylchuk Profile picture
6 Sep
Self-contained apps are cool in #dotnet. You can bundle runtime and framework with the app. The downside is the size.

To resolve the size problem you can use app trimming.

.NET 5 introduces multiple options to trim the app.

1/4 🧵

#coding #devcommunity
The assembly-level trimming leaves only used assemblies in the app.

TrimMode=CopyUsed is default when using PublishTrimmed=true.

Result: 10.8 MB.

2/4
The member-level trimming is more aggressive. It removes types and members that are not used.

⚠️ It's an experimental feature. It's not ready for mainstream use.

Result: 2.58 MB.

3/4
Read 4 tweets

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