In this tutorial, we will learn about TypeScript Interfaces.Properties and functions that an object must have are specified by an interface. For instance, all objects that implement this interface must have the two properties “make” and “name,” which are defined for the interface ICar. Only properties and function signatures can …
A TypeScript Abstract class is a class which may have some unimplemented methods. These methods are called abstract methods. We can’t create an instance of an abstract class. But other classes can derived from abstract class and reuse the functionality of base class. TypeScript Interface vs Abstract Class Interface Abstract Class All …
One of the main advantages of using the NodeJS framework is the easy integration with the Database libraries. MySQL is one of the most popular database. NPM MySQL library provides easy integration with NodeJS application. In this tutorial, we’ll learn following operations from NodeJS application: Installing MySQL NPM module For …
In this tutorial, we will create a simple hello world web MVC application in.NET Core. .NET Core Installation on Linux To install.NET on Linux, we need to first add the Microsoft package signing key to your trusted keys and add the package repository. We have different commands for different Linux …
ASP.NET Core is a open source framework to develop web applications on Windows, Linux, and Mac operating systems. It provides framwork to build cloud-enabled web applications and web API services. It is a lighweight framework that provides high-performance. In Techempower Benchmark, asp.net core comes in 36 position. It comes before …
Below is the python script to optimize PNG images files using OPTIPNG library and upload compressed images in FTP folder. If you don’t have OPTIPNG library, download from this url:Â http://optipng.sourceforge.net/
The chmod 755 linux command is used for changing permissions for files and directories. Only the file’s owner or superuser can change the file access permissions. The chmod 755 command does the following work: It gives read, write, and execute (RWX) file permissions to the file owner. It gives read-and-execute …
Variables in Go refer to the names associated with values like numbers, or strings. When we declare a go variable, we specify the type and optionally the default value. If we don’t specify the default value, go automatically assigns the default value to a go variable. Go is a statically-type …
Sometimes we need hostname to do various log activities. We can get the hostname from the request property in ExpressJS NodeJS. We have two options to get the hostname: Request HostName Property Below code is shown to get hostname from request object. Header Method of Request Get hostname from the …
To validate UUID (GUID) in NodeJS, we can use below options: 1. UUID NPM Package To use UUID package, we can use below command to include in our project. To validate UUIDÂ in NodeJS, we can use validate method of UUID package. Below is the sample code. In the first line, …