C#

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French FAQ
C# Language Specification
mono
IDEs: SharpDevelop, MonoDevelop, Project Rider
IoC Container Benchmark - Performance comparison
Libraries

PostSharp
AutoMapper
FileHelpers: read/write fixed length/delimited records files
EPPlus🚫: writes Excel files in Open Office XML format (xlsx)
Polly: resilience strategies in a SOA architecture

personal notes

Articles and videos

.NET Delegates: Making Asynchronous Method Calls in the .NET Environment by Richard Grimes (August 19^th, 2001) ► An introduction to delegates and how to call them asynchronously.
A Perl Hacker's Foray into .NET by Simon Cozens (March 19^th, 2002) ► A presentation of .NET for Perl developers.
Programmers Heaven: C# School by Faraz Rasheed (December 5^th, 2006) ► A book to learn C#.
Implicit and Explicit Interface Implementations by Michael Hopcroft (December 13^th, 2006) ► The difference between implicit and explicit interface implementations.
The Beauty of Closures by Jon Skeet (2008) ► How to implement closure in C# and a comparison with Java.
Le mot clé yield et les itérateurs en C# by Romain Verdier (May 28^th, 2008) ► A detailed description of yield.
Inside .NET 4: Meet the BCL Team🗑️ by Charles, Josh Free, Brian Grunkemeyer, Matt Ellis, Justin van Patten, Melitta Andersen, Matthew Greig, Kim Hamilton, and Katy King (May 21^st, 2009) ► Misceallaneous subjects: early access via CodePlex, how to support the multiple .NET languages, code contracts…
Named and Optional Parameters in C# 4.0🚫 by Sam Ng (2010) ► A good presentation of the feature.
How Do I: Use Covariance and Contravariance in VS 2010 Part I?🚫 by Eric Lippert (2010) ► A description of the limitations of the previous C# versions.
↪How Do I: Use Covariance and Contravariance in VS 2010 Part II?🚫 by Eric Lippert (2010) ► How to declare covariant and contravariant interfaces and delegates.
C# 4.0 grammar🚫 by "Lucian" (2010) ► How to navigate the C# hyperlinked grammar.
Understanding C#: Equality, IEquatable, and Equals()🚫 by Andrew Stellman (September 29^th, 2010) ► The title says it all.
How Attributes Can Help You Debug an App — Learn how attribute-driven programming can help debug and maintain your applications much more efficiently🚫 by Joydip Kanjilal (October 16^th, 2010) ► Using attributes to define how the debugger displays data (DebuggerDisplayAttribute, DebuggerBrowsableAttribute, and DebuggerTypeProxyAttribute) and how it steps into methods (DebuggerStepThroughAttribute and DebuggerHiddenAttribute).
Introduction to Tuples in .NET Framework 4.0 by Vipul Patel (November 1^st, 2010) ► A short presentation to Tuple.
Introducing Code Access Security in .NET Framework↓ by Joydip Kanjilal (December 9^th, 2010) ► A too short introduction to Code Access Security.
Introduction to Memory Mapped Files by Vipul Patel (December 16^th, 2010) ► A short introduction to MemoryMappedFile.
.NET Framework: Corrupted State Exceptions by Vipul Patel (January 3^rd, 2011) ► With .NET 4, corrupted process state exceptions are delivered anymore to managed code.
.NET Framework: Use Your Own Cache Wrapper to Help Performance↓ by Mark Strawmyer (January 4^th, 2011) ► A very simple code sample to keep cached data in the HttpContext’s cache and some bad advice: using a static object makes the code difficult to be unit tested.
Demystifying C# Programming's ToString Method↓ by "Memphisto" (January 13^th, 2011) ► A little information about ToString(). The argument on using it to get more readable information in Visual Studio is dubious, DebuggerDisplayAttribute should be used instead.
C# Back to Basics: Static Constructors by Gavin Lanata (January 25^th, 2011) ► The title says it all.
Understanding the Dynamic Keyword in C# 4 by Alexandra Rusina (February 2011) ► An overview of the dynamic keyword with many pointers toward more detailed information.
Anders Hejlsberg: Questions and Answers🗑️ by Charles and Anders Hejlsberg (May 3^rd, 2011) ► Miscellaneous questions to the C# creator.
.NET Framework: Collections and Generics↓ by Mark Strawmyer (June 23^rd, 2011) ► This presentation of generics is much too short, unclear, and contains some errors (e.g. the boxing/unboxing definition).
Jon Mccoy - Hacking .Net Applications: The Black Arts↓ by Jon McCoy (June 6^th, 2012) ► The guy is probably good technically, but the demos are unprepared and unclear, the speech about hacking vs. defending yourself is non-understandable…
The New Read-Only Collections in .NET 4.5 by Eric Vogel (August 8^th, 2012) ► A quick presentation of IReadOnlyList, IReadOnlyDictionary and IReadOnlyCollection.
Using NRefactory for analyzing C# code by Daniel Grunwald (August 11^th, 2012) ► A very technical introduction to NRefactory.
Understanding .NET Using Read-Only Collections — Even if you're not working in the Microsoft .NET Framework 4.5, .NET provides you with a way to create a read-only collection or to convert an existing List into a read-only collection. by Peter Vogel (April 24^th, 2013) ► How to implement a read-only list in .NET 4.0.
Microsoft Enterprise Library helps .NET developers be more productive — The Microsoft Enterprise Library offers reusable software components to assist with building .NET applications. Learn how to contribute to one or more of its projects. by Tony Patton (November 28^th, 2013) ► A short presentation of Microsoft Enterprise Library.
What's New In .NET 2015🗑️ by Habib Heydarian (November 12^th, 2014) ► .NET Native, new ASP.NET and Roslyn.
The IsNullOrWhiteSpace trap↑ by Mark Seemann (November 18^th, 2014) ► string.IsNullOrWhiteSpace and string.IsNullOrEmpty are dangerous, they tend to make developers handle null and blank strings the same way, while, most often, this should not be the case.
Caching Regular Data Benefits Regular Programs, Too by Peter Shaw (August 26^th, 2015) ► A very simple example of using System.Runtime.Caching.
Project Rider — C# IDE by Matt Ellis (January 13^th, 2016) ► JetBrains announces its own C# IDE.
Project Rider by Hadi Hariri (January 13^th, 2016) ► The Project Rider announcement during NDC London.
Treating warnings as errors to help prevent technical debt🚫 by Blake Helms (February 3^rd, 2016) ► Configuring projects so warnings are treated as errors except for using a method flagged with the Obsolete attribute.
Technical Steering Group by Martin Woodward (March 31^st, 2016) ► Microsoft creates a C# Technical Steering Group and Red Hat, JetBrains and Unity are joining it.
Constructor Injection with the Unity Container by Malcolm Newsome (September 27^th, 2016) ► A much too short and basic introduction to Unity.
Replace a Running Application with a New Version by Tim Patrick (December 15^th, 2017) ► How a program can replace its own file.
What's behind the hype about Blazor? by Chris Sainty (February 26^th, 2020) ► A short presentation of Blazor.
Write Once, Run Everywhere with .NET and the Uno Platform — Right now, in Visual Studio, you can create a solution that takes a single UI with its code and shares it across Windows, Android, macOS, iOS and web browsers. It's not a perfect cross-platform solution (yet), but it's here now. by Peter Vogel (June 30^th, 2020) ► Some information (mostly details on creating a projet in Visual Studio) about Uno.
History
- 3.0
  - Introduction to C# 3.0↑🚫 by Tim Rayburn (September 27^th, 2007) ► Automatic properties, implicitly typed variables, object initialisers, collection initialisers, LINQ & anonymous types, lambda expressions, and extension methods.
- 5.0
  - C# 5.0: More Than Just Async by Patrick Steele (November 1^st, 2012) ► The caller information attributes (CallerMemberName, CallerFilePath and CallerLineNumber), fixing foreach and LINQ closures, and fixing the evaluation order of named and positional arguments.
- 6.0
  - The Future of C#🗑️ by Dustin Campbell and Mads Torgersen (May 29^th, 2014) ► Roslyn and some new C# 5 features.
  - What's New In C# 6.0🚫 by Mads Torgersen (November 12^th, 2014) ► A quick presentation of the C# 6 features (only syntactic sugars), the same as than the next article.
  - Top 10 C# 6.0 Language Features by Arun Karthick (December 10^th, 2014) ► The title says it all.
- 7.0
  - The Future of C# – Mads Torgersen & Dustin Campbell by Mads Torgersen and Dustin Campbell (April 27^th, 2016) ► A presentation of the features considered for C# 7 and Visual Studio 15.
  - The .NET Language Strategy by Mads Torgersen (February 1^st, 2017) ► The strategy for the future of C#, VB and F#.
  - Understanding C# Tuples by Gavin Lanata (April 5^th, 2017) ► The improvements of Tuple.
  - Using C# 7 Pattern Matching↓ by Joydip Kanjilal (April 5^th, 2017) ► A very short presentation of C# 7 pattern matching.
  - Exploring C# 7
    - Exploring C# 7 - Binary Literals by Josh Varty (February 4^th, 2016) ► Binary literals (with the 0b prefix) and using underscore to group digits.
    - Exploring C# 7 - Local Functions by Josh Varty (February 5^th, 2016) ► Local functions (i.e. functions in functions).
    - Exploring C# 7 - Enabling C# 7 Features in Roslyn by Josh Varty (February 9^th, 2016) ► Getting Roslyn from Github, changing its code to enable the new features and compiling it.
    - Exploring C# 7 - Pattern Matching by Josh Varty (February 11^th, 2016) ► Two possible syntaxes for doing class matching on an object.
- 8.0
  - What's Cool in C# 8 and .NET Core 3 — You're missing out on some cool features if you're building applications in .NET Core 3 and not exploiting the new features in C# 8. Here's what Peter thinks are the ones you'll find most useful. by Peter Vogel (April 8^th, 2021) ► A short list of C#8 features.
- 9.0
  - Welcome to C# 9.0 by Mads Torgersen (May 20^th, 2020) ► The features of the new release.
LINQ
- Introducing C# 3 – Part 4🚫 by Jonathan Worthington (August 5^th, 2008) ► A good introduction to LINQ.
- Expert to Expert: Erik Meijer and Bart De Smet - LINQ-to-Anything🗑️ by Charles, Erik Meijer, and Bart De Smet (October 15^th, 2008) ► How to implement a LINQ-to-whatever interface.
- LINQ - Beyond Queries by Scott Allen↑🗑️ by Scott Allen (April 15^th, 2010) ► The features that have been introduced with LINQ: extension methods, lambda expressions, Func<> and Action<> types, Expression<> to create syntax trees, and implicit typing.
- Deep Dive into Microsoft ADO.NET Entity Framework🗑️ by Tim Laverty and Diego Vega (June 10^th, 2010) ► Some EF4 use examples: class inheritance, mapping a single table to multiple entities, using stored procedures, the repository design pattern, writing unit tests, and improving performance.
- 10 Ways LINQ Can Improve Your C# Programming by "Memphisto" (December 17^th, 2010) ► Some common situations where LINQ can be used to get more readable code.
Entity Framework
- Select N+1 Problem – How to Decrease Your ORM Performance by Gil Fink (August 18^th, 2010) ► How to use eager loading to reduce the number of database queries.
- Entity Framework Enum Support - Code First (EF5 onwards)🚫 by Julia Kornich (2012) ► The title says it all.
- Working with Object Context in the ADO.NET Entity Framework — Take advantage of the Object Context in Entity Framework to perform CRUD operations and attach or detach entities.🚫 by Joydip Kanjilal (January 20^th, 2012) ► A very short introduction to Entity Framework.
- Entity Framework 7🗑️ by Rowan Miller (November 12^th, 2014) ► Support of Windows Phone, Windows Store, ASP.NET 5, .NET Core and non-relational databases.
- Entity Framework & Resolving Team Migration Conflicts🚫 by Zack Davy (September 18^th, 2015) ► How to handle EF merge conflicts when updating the database.
- Practical Entity Framework for C#
  - Practical Entity Framework for C#: Explore Entity Framework🚫 by Todd Miranda (2010) ► An introduction to Entity Framework.
  - Practical Entity Framework for C#: Compiled Queries in Entity Framework by Todd Miranda (2010) ► Using CompiledQuery to compile LINQ to SQL requests.
  - Practical Entity Framework for C#: Entity Framework for ASP.NET by Todd Miranda (2010) ► An introduction to Entity Framework in an ASP.NET application.
  - Practical Entity Framework for C#: Stored Procedures in Entity Framework by Todd Miranda (2010) ► How to use Stored Procedures from Entity Framework.
  - Practical Entity Framework for C#: Paging by Todd Miranda (2010) ► Using eSQL’s skip and limit keywords for implementing paging.
Transactions
- using new TransactionScope() Considered Harmful🚫 by David Baxter Browne (June 3^rd, 2010) ► The title says it all.
- All About TransactionScope by S. M. Ahasan Habib (January 6^th, 2014) ► A presentation of TransactionScope, with a lot of English mistakes.
Multithreading
- Inside Parallel Extensions for .NET 2008 CTP Part 1🗑️ by Charles, Joe Duffy, Huseyin Yildiz, Igor Ostrovsky, Stephen Toub, and Ed Essey (June 5^th, 2008) ► A presentation of the improvements done in CTP2 on the Task Parallel Library, Parallel LINQ, the new Coordination Data Structures, and the scheduler.
- ↪Inside Parallel Extensions for .NET 2008 CTP Part 2🚫 by Charles, Joe Duffy, Huseyin Yildiz, Igor Ostrovsky, Stephen Toub, and Ed Essey (June 5^th, 2008) ► The continuation of the previous video.
- How to Get Started with Multi-Core: Parallel Processing You Can Use🚫 by Bruce D. Kyle (October 24^th, 2009) ► A short overview of Task.
- How to Parallelize Your Application - Part 1 Why Do It?🗑️ by Bruce D. Kyle (March 11^th, 2010) ► The very familiar explanation of why applications now need to be multithreaded: CPUs cannot have a higher frequency, so they have an increasing number of cores instead.
- ↪How to Parallelize Your Application - Part 2 Threads v Tasks🗑️ by Bruce D. Kyle (March 11^th, 2010) ► The explanation of the differences between threads and tasks.
- ↪How to Parallelize Your Application - Part 3 Using Tasks🗑️ by Bruce D. Kyle (March 11^th, 2010) ► A presentation of the three ways to use tasks: imperative task parallelism (using System.Threading.Tasks), imperative data parallelism (using parallel For, ForEach, Invoke from System.Threading.Tasks.Parallel), and declarative data parallelism (using PLINQ).
- Stephen Toub: Inside TPL Dataflow🗑️ by Charles and Stephen Toub (February 2^nd, 2011) ► The title says it all.
- Asynchronous Programming in .NET: I'll Call You Back by Eric Vogel (March 24^th, 2011) ► A too short presentation of three ways to implement multi-threading: BackgroundWorker, Control.BeginInvoke, and implementing the IAsyncResult interface.
- Understanding Data Parallel in the .NET Task Parallel Library by Jeffrey Juday (June 29^th, 2011) ► An introduction to TPL Data Parallel.
- async/await
  - Mads Torgersen: Inside C# Async🗑️ by Charles and Mads Torgersen (October 28^th, 2010) ► A description of the async/await new C# keywords and some of their use.
  - Stephen Toub: Task-Based Asynchrony with Async🗑️ by Charles and Stephen Toub (October 28^th, 2010) ► Another presentation, more detailed, of the same subject.
  - Rx Update: Async support, IAsyncEnumerable and more with Jeff and Wes🗑️ by Charles, Jeffrey van Gogh, and Wes Dyer (November 15^th, 2010) ► The relation between async/await and Rx, and some other Rx news.
  - Mads Torgersen: Visual Studio Async CTP (SP1 Refresh) Overview🗑️ by Charles and Mads Torgersen (April 13^th, 2011) ► CTP2 running on Windows Phone, support of non-US and Express Visual Studio, the miscellaneous origins of await…
  - Stephen Toub: Async Update - Technical Overview and Building Awaitable Types🗑️ by Charles and Stephen Toub (April 15^th, 2011) ► A status of async in CTP2: where async cannot be used, some implemented optimisations, how to create awaitable types…
  - Lucian Wischik: Async Compiler - Bug Fixes, Updates and Core Improvements🗑️ by Charles and Lucian Wischik (April 19^th, 2011) ► Description of some CTP1 bug fixes, safe and unsafe uses of await, what will have to be changed from CTP to the next Visual Studio release, exceptions, unsafe code…
  - Understanding a Simple Async Program by Alan Berman (June 26^th, 2012) ► The title says it all.
Code Contracts
- Better code with C# code contracts🚫 by Mark Blomsma ► A good short overview of Code Contracts.
- Thomas Ball - Advances in Code Contracts for .NET by Thomas Ball (June 6^th, 2012) ► A presentation of Code Contracts, how to use them with Pex, their improvements with Roslin…
- Code Contracts User Manual (August 14^th, 2013) ► The title says it all.
- Code Contracts is the next coding practice you should learn and use🚫 by Patrick Smacchia (December 18^th, 2013) ► Some proselytism on Code Contracts, but ideas are not well structured.
ASP.NET
- IIS and ASP.NET: The Application Pool by Thiru Thangarathinam (August 6^th, 2003) ► A presentation of IIS Application pool.
- Model View Presenter🚫 by Tim Rayburn (January 27^th, 2008) ► A presentation of the MVP design pattern implementing in C# and the fact that it enables easy unit testing.
- ASP.NET MVC Music Store by Jon Galloway (June 2010) ► An introduction to MVC using C# (the last part is botched).
- Creating Custom HTML Helpers (June 2010) ► Two ways to create an HTML helper: using a static method and importing its namespace, or adding an extension method to the HtmlHelper class.
- Introducing IIS Express by Scott Guthrie (June 29^th, 2010) ► A new Web Server trying to provide the power of IIS and the simplicity of the ASP.NET development server.
- Intro to ASP.NET MVC by Scott Hanselman (August 14^th, 2010) ► Another introduction to MVC using C#.
- Controlling our ClientIDs in ASP.NET 4 (December 6^th, 2010) ► Using the ClientIDMode property to control how ASP.NET generates the HTML IDs.
- Shave Time Off your Development with ASP.NET MVC Razor by David Talbot (January 20^th, 2011) ► An introduction to Razor, a new view engine.
- Pragmatic JavaScript, jQuery & AJAX with ASP.NET🗑️ by Damian Edwards (April 12^th, 2011) ► Some information about using jQuery in ASP.NET and a demo of using SQL Server Notification Services to implement a Comet application.
- Brad Wilson - Microsoft's Modern Web Stack, Starring ASP.NET Web API by Brad Wilson (June 7^th, 2012) ► A demo with Knockout (for MVVM on the Browser side), Web API (for generating and consuming the data on the Server side), and SignalR (for persistent connection).
- Posting Data to ASP.NET Sites with the ASP.NET Web API by Peter Vogel (September 7^th, 2012) ► How to handle a HTTP POST.
- Build an ASP.NET JavaScript Generator by Peter Vogel (November 1^st, 2012) ► How to generate JavaScript on the server: using ClientScriptManager to register a JavaScript file and to declare an array, adding an event handler, and using T4 for a parametrised JavaScript generation.
- Displaying Real Time Data using HTML5 and ASP.NET by Bipin Joshi (February 7^th, 2013) ► How to use HTML 5’s Server Sent Events in ASP.NET.
- Brock Allen - OWIN and Katana: What the Func? by Brock Allen (June 3^rd, 2014) ► An introductions of the OWIN standard, the Katana implementations, and coding some simple samples.
- ASP.NET 5🗑️ by Scott Hunter (November 12^th, 2014) ► No more compilation, .NET framework and libraries packaged with the application, performance improvements, better cloud support…
- ASP.NET 5 for .NET Framework & .NET Core🗑️ by Damian Edwards (November 12^th, 2014) ► Running ASP.NET on .NET Framework and/or .NET core.
- Web Forms 4.6🗑️ by Pranav Rastogi (November 12^th, 2014) ► Support HTTP 2, integration with Roslyn, and asynchronous model binding.
- Getting Started with ASP.NET MVC 5 by Rick Anderson (May 28^th, 2015) ► A tutorial of MVC5 with EF6.
- What is DNX? by Clive Tong (July 30^th, 2015) ► A basic introduction to DNX finishing with an advertisement for Red Gate products.
Azure
- Create an ASP.NET web app in Azure App Service🚫 by Tom Dykstra (August 10^th, 2015) ► A step by step explanation on how to build and publish an ASP.NET application in Azure from Visual Studio.
Office interoperability
- COM Interop and Office in C# 4.0🚫 by Sam Ng (2010) ► COM interface is simplified with named optional arguments, dynamic, and indexed properties.
- Convert Visual Basic for Applications Macro to C# 4.0 by Alexandra Rusina (2010) ► How to translate a macro from VBA into C#.
Roslyn
- The Roslyn Project - Meet the Design Team🗑️ by Charles, Anders Hejlsberg, Karen Ng, Matt Warren, and Peter Golde (November 16^th, 2011) ► A presentation of the Roslyn project: the new C# and Visual Basic compilers.
- 10 Questions, 10 Answers on Roslyn by Joe Kunk (March 20^th, 2012) ► Some information about Roslyn.
- .NET Compiler Platform ("Roslyn") for the Rest of Us by Beth Massi and Dustin Campbell (June 24^th, 2014) ► Some information about Roslyn: some refactoring tools in VS 2014 CTP (these tools exist in some other IDEs for years…), better C#/VB integration…
- Roslyn Code Analysis in Easy Samples (Part 1) — Describe Roslyn code analysis functionality providing easy samples by Nick Polyak (January 11^th, 2015) ► A simple example demonstrating how to get information on a class, a member or an attribute.
Yet Another Language Geek
- Continuation-Passing Style by Wes Dyer (December 22^nd, 2007) ► The application of Continuation-Passing Style to C#.
- The Marvels of Monads by Wes Dyer (January 10^th, 2008) ► An introduction to Monads in C#.