In Python, using the os.environ variable is the easiest way to set environment variables Using os.environ Variable os.environ behaves like a python dictionary, so all the common dictionary operations can be performed. In addition to the get and set ...

In Rust, using the read_dir function is the easiest way to list files of a directory. Using read_dir Function The fs::read_dir() function returns an iterator over the entries within a directory. See the following example: use std::fs; fn main...

In Golang, there are 2 ways to install Go in Linux.Download Packages Download packages for Windows 64-bit, macOS, Linux, and more. Go install Linux Remove any previous Go installation by deleting the /usr/local/go folder (if it exists), then extr...

In Rust, there are two ways to install rust in Linux.Running the following in your terminal If you’re running macOS, Linux, or another Unix-like OS. To download Rustup and install Rust, run the following in your terminal, then follow the on-screen i...

How do you check if a string contains a substring?.Using String.prototype.includes The includes() method performs a case-sensitive search to determine whether one string may be found within another string, returning true or false as appropriate. 'Go...

user interface to the TELNET protocol. Telnet is an application protocol used on the Internet or local area network to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. User data is interspe...

Show information about the file system on which each FILE resides, or all file systems by default. df (abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking us...

command line tool and library for transferring data with URLs. cURL (pronounced 'curl') is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various network protocols. The name ...

List Files and Directories.The ls command lists files and directories within the file system, and shows detailed information about them. It is a part of the GNU core utilities package which is installed on all Linux distributions. List all files, in...

Go is a tool for managing Go source code. Go is an open source programming language that makes it easy to build simple, reliable, and efficient software. Go install. 1. Extract the archive you downloaded into /usr/local, creating a Go tree ...

Builds and serves your app, rebuilding on file changes. ng serve is a great command to use when developing your application locally. It starts up a local development server, which will serve your application while you are developing it. It is not mea...

Execute a command in a running container.With this subcommand you can run arbitrary commands in your services. Commands are by default allocating a TTY, so you can use a command such as docker-compose exec web sh to get an interactive prompt. ...

This page provides the usage information for the docker-compose Command.The following show the Docker-Compose version information: Version information docker-compose version docker-compose -v docker-compose --version docker...

amCharts is a maker for widely used JavaScript-based interactive charts and maps programming libraries and tools.--pname-- was written in TypeScript, it can be used in any JavaScript-compatible environment - TypeScript applications, React or Angular2...

A JavaScript date library for parsing, validating, manipulating, and formatting dates.--pname-- was designed to work both in the browser and in Node.js. All code should work in both of these environments, and all unit tests are run in both of these e...