This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
license: gpl-3.0 |
# Installation | |
brew install ffmpeg --with-vpx --with-vorbis --with-libvorbis --with-vpx --with-vorbis --with-theora --with-libogg --with-libvorbis --with-gpl --with-version3 --with-nonfree --with-postproc --with-libaacplus --with-libass --with-libcelt --with-libfaac --with-libfdk-aac --with-libfreetype --with-libmp3lame --with-libopencore-amrnb --with-libopencore-amrwb --with-libopenjpeg --with-openssl --with-libopus --with-libschroedinger --with-libspeex --with-libtheora --with-libvo-aacenc --with-libvorbis --with-libvpx --with-libx264 --with-libxvid | |
# Easy Peasy | |
ffmpeg -i video.mp4 video.webm |
// Copyright (c) 2017 Ismael Celis | |
// Permission is hereby granted, free of charge, to any person obtaining a copy | |
// of this software and associated documentation files (the "Software"), to deal | |
// in the Software without restriction, including without limitation the rights | |
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
// copies of the Software, and to permit persons to whom the Software is | |
// furnished to do so, subject to the following conditions: | |
// The above copyright notice and this permission notice shall be included in all |
Magic words:
psql -U postgres
Some interesting flags (to see all, use -h
or --help
depending on your psql version):
-E
: will describe the underlaying queries of the \
commands (cool for learning!)-l
: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)// Create our own MyResponseWriter to wrap a standard http.ResponseWriter | |
// so we can store the status code. | |
type MyResponseWriter struct { | |
status int | |
http.ResponseWriter | |
} | |
func NewMyResponseWriter(res http.ResponseWriter) *MyResponseWriter { | |
// Default the status code to 200 | |
return &MyResponseWriter{200, res} |
version: '2' | |
services: | |
nsqlookupd: | |
image: nsqio/nsq:v0.3.7 | |
command: /nsqlookupd | |
ports: | |
- "4160" | |
- "4161" | |
nsqd: |
# Tested with kernel: 4.9.20-040920-generic | |
# | |
# Make sure to install following packages | |
# | |
sudo apt install acpi acpi-call-dkms | |
# | |
# To manually disable, you can run the following command | |
# |