C# 1001 notes

#post

In this post, I'd like to have a look into minimal APIs.

With the preview 4, Microsoft simplified the simplest project template to an absolute minimum. Microsoft created this template to make it easier for new developers to start creating small microservices and HTTP APIs.

Read more...

#quiz

#humor #newsletter

🔸 Writing Logs to SQL Server Using NLog

🔸 ASP.NET Community Standup - A first look at Carter on .NET 6

🔸 Simplest Way to achieve Multitenancy in ASP.NET Core

🔸 Repository Pattern in ASP.NET Core with Adapter Pattern

Всем хороших выходных 😉

✨ Here is a solution for the #challenge above

💬 Personally, I like the first solution more, it is much more expressive!

#challenge

💻 Array of Multiples | #easy

Create a function that takes two numbers as arguments (num, length) and returns an array of multiples of num until the array length reaches length.

Examples:

ArrayOfMultiples(7, 5) ➞ [7, 14, 21, 28, 35]
ArrayOfMultiples(12, 10) ➞ [12, 24, 36, 48, 60, 72, 84, 96, 108, 120]
ArrayOfMultiples(17, 6) ➞ [17, 34, 51, 68, 85, 102]

For your convenience: dotnetfiddle.

🏆 Leave your solutions in the comments. The solution will be posted below in a couple of hours 👇

#interview

#post

For .NET 6, we have made FileStream much faster and more reliable, thanks to an almost entire re-write. For same cases, the async implementation is now a few times faster!

Read more...

#video

Топ-10 докладов DotNext 2021 Piter

Список докладов и видео доступны по ссылке.

💬 Если вы по какой-то причине пропустили, то однозначно рекомендую.

p.s. Спасибо спикерам и организаторам ❤️

#quiz

#humor #newsletter

🔸 C# caller attributes make tracing and logging easier

🔸 Making world-class docs takes effort

🔸 What Is yield and How Does It Work in C#?

🔸 A neat Trick to Debug Exceptions in C#

🔸 Ship / Show / Ask

Всем хороших выходных! 🍁😉

#book

Beginning C# and .NET, 2021 Edition
Perkins Benjamin, Reid Jon D.

Get a running start to learning C# programming with this fun and easy-to-read guide.

As one of the most versatile and powerful programming languages around, you might think C# would be an intimidating language to learn. It doesn't have to be!

Download the book

#post

.NET 6 is on the way, and I wanted to share some of my favorite new APIs in .NET and ASP.NET Core that you are going to love. Why are you going to love them? Well because they were directly driven by our fantastic .NET developer community! Let’s get started!

Read more...

#quiz

Dear friend,

If you read this, then you, like me, are clearly passionate about programming and tech 💻

My name is Maxim and I'm happy to meet you here ✌️

I hope that what I post on this channel will take your software development skills to the next level.

💬 If you have any questions, then you can always contact me via the @webdev_en chat.

See you at the new channel: @seasoneddev

Конкатена́ция строк в C#

В C# мы можем использовать оператор + не только для сложения чисел, но и склеивания (конкатенации) строк:

string s1 = "C#";
string s2 = "fun";
string s3 = s1 + " is " + s2;   // "C# is fun"

Мы можем использовать этот оператор неограниченное количество раз в рамках одного выражения (expression), а само выражение использовать в тех местах кода, где ожидается строка:

string s1 = "Hello " + " Wor" + "ld";
Console.WriteLine("Wish " + "you " + "the best");

Более того, специальные методы String.Concat и String.Format содержат дополнительные перегрузки, которые также могут быть использованы для конкатенации:

// Concat method
string s4 = String.Concat(new object[] { 
    "The ", 3, " musketeers" 
});

string s5 = String.Concat("This", "That");
 
// Use String.Format to concatenate
string s6 = string.Format("{0}{1}{2}", s1, " is ", s2);

💬 Продолжая рассказывать про полезные фичи в C# нельзя не упомянуть coalesce оператор ??. Принцип его работы прост- возвращать left-hand операнд если он не null и right-hand в обратном случае: int y = x ?? -1. Берите на вооружение 😉

#strings

❇️ Рабочая неделя заканчивается, а значит пришло время очередной недельной подборки на выходные.

Предлагаю вашему внимаю самые 🔥 интересные статьи и вопросы этой недели:

🔸 Why does Enumerable.Single() iterate all elements, even when more than one item has already been found?

🔸 How to use Factory Method Design Pattern in C#

🔸 C# Intermediate – Delegates in C#

🔸 How to properly implement an interface that was designed for async usage?

🔸 Secure Random Integers in .NET Core 3

🔸 .NET Standard vs. .NET Core

Всем отличных выходных 😉

#sof_weekly