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Whether you're new to a tech stack or an experienced engineer refreshing your skills, start with the most useful tips our dev community members recommend and build on solid, well-tested coding knowledge.

Popular Shell Programming Tips

update rails test DB after a running a migration

[Bash]: Check if environment variables are set and if not assign them a default value.

Ubuntu : define the primary display screen using a script

not sudo again...

Simple Developer Todo

clear before you (when running a test from shell)

Awesome globbing tip for zsh

How to check if some package is installed on linux system via shell

Clean up $PATH (removes duplicated dirs)

List active Files in Folder (e.g. Files that are uploaded via SCP)

Fix garbled characters in terminal

Fastest way to convert a number in other base to decimal number in Linux

Sort a list of dates in U.S. expanded form (e.g., Tuesday, August 23, 2016)

Helpful alias for CDing to git root from a subdirectory.

Push current branch to origin

nginx commands to memorise

Running in background.

non-blocking IPC in shell

Total lines of code

Copy previous command into current

Be able to use CTRL + <arrow> inside tmux to move around.

Bash: Function to remove last-typed command from history

.dotfiles for bash

Cambiar permisos de archivos filtrando por nombre en Ubuntu

ctrl-r in the shell is your friend

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