Skip to content

Instantly share code, notes, and snippets.

@JamieMason
JamieMason / is_installed.sh
Last active February 17, 2024 10:12
Check if a program exists from a bash script.Thanks to twitter.com/joshnesbitt and twitter.com/mheap for the help with detecting npm packages.
#!/bin/bash
# Functions ==============================================
# return 1 if global command line program installed, else 0
# example
# echo "node: $(program_is_installed node)"
function program_is_installed {
# set to 1 initially
local return_=1
@sgergely
sgergely / gist:3793166
Created September 27, 2012 09:43
Midnight Commander Keyboard Shortcuts for Mac OSX
----- Esc -----
Quick change directory: Esc + c
Quick change directory history: Esc + c and then Esc + h
Quick change directory previous entry: Esc + c and then Esc + p
Command line history: Esc + h
Command line previous command: Esc + p
View change: Esc + t (each time you do this shortcut a new directory view will appear)
Print current working directory in command line: Esc + a
Switch between background command line and MC: Ctrl + o
Search/Go to directory in active panel: Esc + s / Ctrl + s then start typing directory name
@tony4d
tony4d / p4merge4git.md
Created August 24, 2012 19:00
Setup p4merge as a visual diff and merge tool for git
@MohamedAlaa
MohamedAlaa / tmux-cheatsheet.markdown
Last active April 28, 2025 15:19
tmux shortcuts & cheatsheet

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname
@rbrooks
rbrooks / ffmpeg_ffprobe.sh
Last active July 4, 2024 19:49
FFmpeg & FFprobe Cheatsheet
# Don't use FFmpeg for metadata extraction. Use FFprobe.
# Its output is geared toward parsabilty.
# Container and stream information in JSON format:
ffprobe -show_format -print_format json 'Serenity - HD Trailer.mp4'
ffprobe -show_streams -print_format json 'Serenity - HD Trailer.mp4'
# Human-readable values:
ffprobe -show_format -pretty -print_format json 'Serenity - HD Trailer.mp4'
# Trim video to first 30 seconds, without transcoding.

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name: