Power of C++ Structured Bindings
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Power of C++ Structured Bindings

Bharath Kumar Amarnath February 02, 2024

Introduction: Structural Binding helps us to write simple code by unpacking the elements from tuple-like objects. To understand Structural Binding, we need to understand a data structure that holds(or packs) different data. A few such data structures are std::tuple, std::pair, arrays or we can write our own data structure to hold the data. One practical ap…

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Section12: EnsureCreated method (Restful API in ASP .Net Core)
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Section12: EnsureCreated method (Restful API in ASP .Net Core)

Bharath Kumar Amarnath February 11, 2022

Section12: EnsureCreated method Introduction: In previous sections, we have seen how we create Model (represents a table in the DB), Controller (receives data from the server and add it to the DB). We also added an AppDBConext which takes care of database operations. We have also registered this AppDBContext to the service in Section 11. What is EnsureCrea…

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Section11: Setting up the connection string (Restful API in ASP .Net Core)
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Section11: Setting up the connection string (Restful API in ASP .Net Core)

Bharath Kumar Amarnath February 10, 2022

Section11: Setting up the connection string Introduction: In the previous section, we have seen how we configure DBContext class so that Entity Framework can communicate between the database and the Models. We have also configured the DBSet class that represents a table in the database. Just by creating the DBContext class will not help the service (ASP .N…

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Nullable in C#

Nullable in C#

Bharath Kumar Amarnath February 02, 2022

Nullable in C# Introduction: Data types in C# are of two types: Value Type and Reference Typ e; Value types cannot have Null values, but for reference types can have null value. However, sometime we need to have null values for value types. For example, we may have a class and this class maps to a table in the database. When we map a class to the database…

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Properties in C#
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Properties in C#

Bharath Kumar Amarnath January 22, 2022

Properties in C# Introduction: To understand the need for properties, let us understand what is the problem with this the below class? public class Person {     public int Id;     public string? Name; } The problems with this class is that it violates Encapsulation . Whoever uses this class can set any value for Id and Name . I mean the Id could be negativ…

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Lambda Expressions in C#

Lambda Expressions in C#

Bharath Kumar Amarnath January 21, 2022

Lambda Expressions in C# Introduction: L ambda expressions are nothing but an anonymous function. i.e. Lambda Expressions have no name, no access modifiers, and no return values.  The syntax of Lambda expression is as below: argument => expression ; => is called Lambda operator and we read it as "goes to" . This is equivalent of writing a…

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Extension Methods in C#
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Extension Methods in C#

Bharath Kumar Amarnath January 19, 2022

Extension Methods in C# Introduction: To understand the concept of extension methods, we should understand the problem that extension method solves.  Problem extension methods solve: You are working on a project in a financial domain. To the UI, you want to return a string in a currency format. i.e. you don't return 1000 but return $1000 (not an excell…

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