One of the many reasons I love working with Ruby is it has a rich vocabulary that allows you to accomplish your goals with a minimal amount of code. If there isn't a method that does exactly what you want, it's usually possible to build an elegant solution yourself.
Let's take the example of simulating the rolling of a die.
We can represent a die as an array of its faces.
die = [*?⚀..?⚅]
# => ["⚀", "⚁", "⚂", "⚃", "⚄", "⚅"]
| --- | |
| # ^^^ YAML documents must begin with the document separator "---" | |
| # | |
| #### Example docblock, I like to put a descriptive comment at the top of my | |
| #### playbooks. | |
| # | |
| # Overview: Playbook to bootstrap a new host for configuration management. | |
| # Applies to: production | |
| # Description: | |
| # Ensures that a host is configured for management with Ansible. |
2015-01-29 Unofficial Relay FAQ
Compilation of questions and answers about Relay from React.js Conf.
Disclaimer: I work on Relay at Facebook. Relay is a complex system on which we're iterating aggressively. I'll do my best here to provide accurate, useful answers, but the details are subject to change. I may also be wrong. Feedback and additional questions are welcome.
Relay is a new framework from Facebook that provides data-fetching functionality for React applications. It was announced at React.js Conf (January 2015).
| function! ShowOnGithub() | |
| let u = system("echo ${${${$(git --git-dir=.git config --get remote.origin.url)#[email protected]:}%.git}#https://github.com/} | xargs echo -n") | |
| silent exec "!open "."https://github.com/".u."/blob/master/".@%.'\#L'.line(".") | |
| endfunction | |
| command! -nargs=0 ShowOnGithub call ShowOnGithub() | |
| nnoremap <Leader>gh :ShowOnGithub<CR> |
| # initializers/active_admin.rb | |
| module ActiveAdmin | |
| class OrderClause | |
| alias_method :initialize_old, :initialize | |
| alias_method :valid_old?, :valid? | |
| alias_method :to_sql_old, :to_sql | |
| def initialize(clause) | |
| if clause.class == String | |
| initialize_old(clause) |
| import Image | |
| import numpy as n | |
| #open image and convert to greyscale | |
| img = Image.open('photo.png').convert('LA') | |
| #get dimensions and scale them | |
| w,h = img.size | |
| # change to 4 and 7, respectivly to make smaller image | |
| w /=2 | |
| h /=4 |
| (evil-define-state god | |
| "God state." | |
| :tag " <G> " | |
| :message "-- GOD MODE --" | |
| :entry-hook (evil-god-start-hook) | |
| :exit-hook (evil-god-stop-hook) | |
| :input-method t | |
| :intercept-esc nil) | |
| (defun evil-god-start-hook () |
| /* | |
| Copyright (c) 2015 Paul Jolly <[email protected]) | |
| 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: |
| docker run -rm -t -i -v $(dirname $SSH_AUTH_SOCK) -e SSH_AUTH_SOCK=$SSH_AUTH_SOCK ubuntu /bin/bash |