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:
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| /** | |
| * USB HID Keyboard scan codes as per USB spec 1.11 | |
| * plus some additional codes | |
| * | |
| * Created by MightyPork, 2016 | |
| * Public domain | |
| * | |
| * Adapted from: | |
| * https://source.android.com/devices/input/keyboard-devices.html | |
| */ |
This post also appears on lisper.in.
Reader macros are perhaps not as famous as ordinary macros. While macros are a great way to create your own DSL, reader macros provide even greater flexibility by allowing you to create entirely new syntax on top of Lisp.
Paul Graham explains them very well in [On Lisp][] (Chapter 17, Read-Macros):
The three big moments in a Lisp expression's life are read-time, compile-time, and runtime. Functions are in control at runtime. Macros give us a chance to perform transformations on programs at compile-time. ...read-macros... do their work at read-time.
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| user www-data; | |
| worker_processes 4; | |
| error_log /var/log/nginx/error.log; | |
| pid /var/run/nginx.pid; | |
| events { | |
| worker_connections 1024; | |
| } |
tsiege
/ The Technical Interview Cheat Sheet.md
Last active
April 20, 2024 16:52
This is my technical interview cheat sheet. Feel free to fork it or do whatever you want with it. PLEASE let me know if there are any errors or if anything crucial is missing. I will add more links soon.
I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!
\
justjanne
/ Price Breakdown.md
Last active
April 11, 2024 22:21
— forked from kylemanna/price.txt
Server Price Breakdown: DigitalOcean, Amazon AWS LightSail, Vultr, Linode, OVH, Hetzner, Scaleway/Online.net:
Server Price Breakdown: DigitalOcean, Amazon AWS LightSail, Vultr, Linode, OVH, Hetzner, Scaleway/Online.net:
Permalink: git.io/vps
| Provider | Type | RAM | Cores | Storage | Transfer | Network | Price |
|---|
bowsersenior
/ stooge_loader.rb
Created
May 18, 2011 23:18
A demo of YAML anchors, references and nested values
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| require 'rubygems' | |
| require 'yaml' | |
| # A demonstration of YAML anchors, references and handling of nested values | |
| # For more info, see: | |
| # http://atechie.net/2009/07/merging-hashes-in-yaml-conf-files/ | |
| stooges = YAML::load( File.read('stooges.yml') ) | |
| # => { | |
| # "default" => { |
andrewlkho
/ gist:7373190
Last active
March 25, 2024 03:37
How to use authentication subkeys in gpg for SSH public key authentication
GPG subkeys marked with the "authenticate" capability can be used for public
key authentication with SSH. This is done using gpg-agent which, using the
--enable-ssh-support option, can implement the agent protocol used by SSH.
A working gpg2 setup is required. It may be possible to use gpg 1.4 but with gpg-agent compiled from gpg2. If you are using OS X 10.9 (Mavericks) then you may find the instructions [here][1] useful.
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