The Array JavaScript Data Structure

How to remove all items from a MongoDB collection

How to insert multiple items at once in a MongoDB collection

How to move around blocks of code with React and Tailwind

Using useState with an object: how to update

How to destructure an object to existing variables in JavaScript

Can I use React hooks inside a conditional?

How to fix the "cannot update a component while rendering a different component" error in React

A quick guide to how I solved a confusing React error

How to fix the: "EMFILE: too many open files, watch" error in macOS

A quick guide to how I solved a confusing React Native error

How to fix the `iphoneos cannot be located` error in macOS

A quick guide to how I solved a confusing React Native error

How to solve the "unrecognized command run-ios" error with React Native

A quick guide to how I solved a confusing React Native error

Linux commands: env

A quick guide to the `env` command, used to run commands and interact with environment variables

Linux commands: printenv

A quick guide to the `printenv` command, used to print the values of environment variables

Linux commands: basename

A quick guide to the `basename` command, used to return the filename portion of a path

Linux commands: dirname

A quick guide to the `dirname` command, used to get the directory portion of a path

Linux commands: crontab

A quick guide to the `crontab` command, used to schedule cron jobs

Linux commands: export

A quick guide to the `export` command, used to export variables to child processes

Linux commands: tar

A quick guide to the `tar` command, used to archive files

Linux commands: traceroute

A quick guide to the `traceroute` command, used to list all the nodes traversed to reach a host

Linux commands: ping

A quick guide to the `ping` command, used to ping a network host

Linux commands: gunzip

A quick guide to the `gunzip` command, used to unzip gzipped files

Linux commands: gzip

A quick guide to the `gzip` command, used to compress a file

Linux commands: xargs

A quick guide to the `xargs` command, used to pass output of a command and use it as argument to another command

Linux commands: df

A quick guide to the `df` command, used to get disk usage information

Linux commands: nohup

A quick guide to the `nohup` command, used to run a command that does not end when the terminal is killed

Linux commands: diff

A quick guide to the `diff` command, used to compare files and directories

Linux commands: uniq

A quick guide to the `uniq` command, used to work with duplicate records/lines in text

Linux commands: sort

A quick guide to the `sort` command, used to sort records/lines of text

Linux commands: uname

A quick guide to the `uname` command, used to print details about the current machine and the operating system running on it

Linux commands: man

A quick guide to the `man` command, used to learn how to use command line commands

Linux commands: grep

A quick guide to the `grep` command, used to match patterns in text

Linux commands: umask

A quick guide to the `umask` command, used to set the default permissions of files

Linux commands: du

A quick guide to the `du` command, used to calculate the space usage of files and directories

Linux commands: history

A quick guide to the `history` command, used to view the command line history

Linux commands: wc

A quick guide to the `wc` command, used to count lines, words or bytes

Linux commands: open

A quick guide to the `open` command, used to open files, directories and applications

Linux commands: passwd

A quick guide to the `passwd` command, used to change a user's password

Linux commands: chmod

A quick guide to the `chmod` command, used to change the file mode

Linux commands: chown

A quick guide to the `chown` command, used to change the owner of a file

Linux commands: sudo

A quick guide to the `sudo` command, used to run a command as another user

Linux commands: su

A quick guide to the `su` command, used to switch the shell to another user

Linux commands: clear

A quick guide to the `clear` command, used to clear the screen of the terminal.

Linux commands: who

A quick guide to the `who` command, used to show the users logged to the system

Linux commands: whoami

A quick guide to the `whoami` command, used to print the current user name

Linux commands: which

A quick guide to the `which` command, used to show where the command is stored

Linux commands: type

A quick guide to the `type` command, used to determine the _kind_ of a command

Linux commands: fg

A quick guide to the `fg` command, used to put a job that's running in the background to the foreground

Linux commands: bg

A quick guide to the `bg` command, used to resume a job that's been suspended

Linux commands: jobs

A quick guide to the `jobs` command, used to list the status of the jobs we started

Linux commands: alias

A quick guide to the `alias` command, used to create a shortcut to another command

Linux commands: killall

A quick guide to the `killall` command, used to send signals to multiple processes currently running

Linux commands: kill

A quick guide to the `kill` command, used to send a signal to a process currently running

Linux commands: top

A quick guide to the `top` command, used to list the processes running in real time

Linux commands: echo

A quick guide to the `echo` command, used to print the argument passed to it

Linux commands: ps

A quick guide to the `ps` command, used to list the processes currently running in the system

Linux commands: ln

A quick guide to the `ln` command, used to create links in the filesystem

Linux commands: find

A quick guide to the find command, used to find files and folders on the filesystem

Linux commands: cat

A quick guide to the cat command, used to add content to a file

Linux commands: touch

A quick guide to the touch command, used to create an empty file

Linux commands: tail

A quick guide to the tail command, used to watch files for changes

Linux commands: less

A quick guide to the less command, used to show the content of a file

Linux commands: cp

A quick guide to the cp command, used to move files and folders

Linux commands: mv

A quick guide to the mv command, used to move files and folders

Linux commands: ls

A quick guide to the ls command, used to list the files in a folder

Linux commands: rmdir

A quick guide to the rmdir command, used to remove a folder

Linux commands: pwd

A quick guide to the pwd command, used to check the current working directory

Linux commands: cd

A quick guide to the cd command, used to change folder

Linux commands: mkdir

A quick guide to the mkdir command, used to create folders

How to test for an empty object in JavaScript

How to set up hot reload on Electron

How to change a Next.js app port

Learn how to change the port that Next.js runs on in development mode

How to create your first VPS on DigitalOcean

A complete guide from zero to having a DigitalOcean VPS

How to get the index of an item in a JavaScript array

Here is how to retrieve the index of an item in a JS array based on its value

What is a reverse proxy?

Find out what is a reverse proxy and what is it useful for!

How to solve the `util.pump is not a function` error in Node.js

Find out how to solve the `util.pump is not a function` error that might happen when trying to run old Node code

Serve an HTML page using Node.js

Find out how to serve an `index.html` HTML page using Node.js with no dependencies

Gatsby, fix the "cannot find module gatsby-cli/lib/reporter" error

How I fixed a weird Error: Cannot find module gatsby-cli/lib/reporter error I got while creating a Gatsby site

How to find the command that is using a port

A simple nginx reverse proxy for serving multiple Node.js apps from subfolders

How to configure Nginx for HTTPS

How to set up HTTPS on your Web Server using Let's Encrypt

How to add an item at the beginning of an array in JavaScript

How I fixed a "cb.apply is not a function" error while using Gitbook

How to swap two array elements in JavaScript

How to configure HTTPS in a React app on localhost

How to simulate a for loop in Svelte templates

How to redirect to a URL in Sapper

How to dynamically apply CSS in Svelte

How to access a URL parameter in Sapper outside of script module

How to generate a local SSL certificate

How to install a local SSL certificate in macOS

How to use Sequelize to interact with PostgreSQL

Redis Publish/subscribe

How to use Redis Hashes

How to use Redis Sorted Lists

Using Redis Sets

Redis Lists

First steps with Redis

How to install Redis

Introduction to Redis

How to handle promise rejections