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@zhengjia
zhengjia / capybara cheat sheet
Created June 7, 2010 01:35
capybara cheat sheet
=Navigating=
visit('/projects')
visit(post_comments_path(post))
=Clicking links and buttons=
click_link('id-of-link')
click_link('Link Text')
click_button('Save')
click('Link Text') # Click either a link or a button
click('Button Value')
@lucky
lucky / .vimrc
Created December 14, 2010 21:18
Make vim indent 2 spaces for ruby and scala files only
" Make vim indent 2 spaces for ruby and scala files only
filetype plugin indent on
set sw=4
set ts=4
:autocmd Filetype ruby set softtabstop=2
:autocmd Filetype ruby set sw=2
:autocmd Filetype ruby set ts=2
:autocmd Filetype scala set softtabstop=2
:autocmd Filetype scala set sw=2
@jbr
jbr / switch.rb
Created February 12, 2011 11:15
ruby 1.9.2 case-like switch
# In response to:
# http://mlomnicki.com/ruby/tricks-and-quirks/2011/02/10/ruby-tricks2.html
# Ruby 1.9.2 has some neat stuff that lets us make a readable
# alternative case statement that calls each method in turn.
# 1.9.2 features used:
# * hashes are ordered in 1.9.2
# * cool JSON-style hash syntax
# * concise lambda syntax
@daveray
daveray / seesaw-repl-tutorial.clj
Created December 7, 2011 04:55
Seesaw REPL Tutorial
; A REPL-based, annotated Seesaw tutorial
; Please visit https://github.com/daveray/seesaw for more info
;
; This is a very basic intro to Seesaw, a Clojure UI toolkit. It covers
; Seesaw's basic features and philosophy, but only scratches the surface
; of what's available. It only assumes knowledge of Clojure. No Swing or
; Java experience is needed.
;
; This material was first presented in a talk at @CraftsmanGuild in
; Ann Arbor, MI.
@chetan
chetan / yardoc_cheatsheet.md
Last active May 10, 2024 02:53
YARD cheatsheet
@alanhamlett
alanhamlett / ajax_setup.js
Last active January 13, 2021 02:18
Sets the X-CSRFToken header for every jQuery ajax non-GET request to make CSRF protection easy. This fixes the example from Django docs here: https://docs.djangoproject.com/en/dev/ref/contrib/csrf/#ajax
$.ajaxSetup({
beforeSend: function(xhr, settings) {
if (settings.type == 'POST' || settings.type == 'PUT' || settings.type == 'DELETE') {
function getCookie(name) {
var cookieValue = null;
if (document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for (var i = 0; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
// Does this cookie string begin with the name we want?
@Integralist
Integralist / Hash Keys to Symbols.rb
Last active September 2, 2020 08:50
Convert Ruby Hash keys into symbols
hash = { 'foo' => 'bar' }
# Version 1
hash = Hash[hash.map { |k, v| [k.to_sym, v] }]
# Version 2
hash = hash.reduce({}) do |memo, (k, v)|
memo.tap { |m| m[k.to_sym] = v }
end
@sr75
sr75 / wget-jdk-oracle-install-example.txt
Last active March 16, 2023 11:28
wget command to install Oracle JAVA JDK from stupid oracle website for centos and ubuntu
http://d.stavrovski.net/blog/post/how-to-install-and-setup-oracle-java-jdk-in-centos-6
# rpm
wget --no-cookies \
--no-check-certificate \
--header "Cookie: oraclelicense=accept-securebackup-cookie" \
"http://download.oracle.com/otn-pub/java/jdk/7u55-b13/jdk-7u55-linux-x64.rpm" \
-O jdk-7-linux-x64.rpm
# ubuntu
  • Dynamic Dispatch
  • Dynamic Method
  • Ghost Methods
  • Dynamic Proxies
  • Blank Slate
  • Kernel Method
  • Flattening the Scope (aka Nested Lexical Scopes)
  • Context Probe
  • Class Eval (not really a 'spell' more just a demonstration of its usage)
  • Class Macros
@dmilisic
dmilisic / active_record_enum_with_rails_admin.rb
Last active January 21, 2022 10:50
Initializer for handling ActiveRecord (4.1+) enums by RailsAdmin (0.6.2)
module ActiveRecord
module RailsAdminEnum
def enum(definitions)
super
definitions.each do |name, values|
define_method("#{ name }_enum") { self.class.send(name.to_s.pluralize).to_a }
define_method("#{ name }=") do |value|
if value.kind_of?(String) and value.to_i.to_s == value