http://guides.rubyonrails.org/migrations.html
- add_column
- add_index
- change_column
- change_table
- create_table
- drop_table
; inspired from http://stackoverflow.com/questions/3906831/how-do-i-generate-memoized-recursive-functions-in-clojure | |
(defmacro memoize-fn | |
"Produces a memoized anonymous function that can recursively call itself." | |
[fn-name & fn-args] | |
`(with-local-vars | |
[~fn-name (memoize | |
(fn ~@fn-args))] | |
(.bindRoot ~fn-name @~fn-name) | |
@~fn-name)) |
;; Linked list implementation | |
;; I compile it like this on Mac OS X: | |
; | |
; llvm-as linked-list.ll | |
; llc linked-list.bc | |
; as linked-list.s -o linked-list.o | |
; ld /usr/lib/crt1.o linked-list.o -o linked-list -lSystem -macosx_version_min 10.6 | |
;; Type aliases | |
%free_func = type void (i8*)* |
(ns friends-relationship-twitter.core | |
(:require [borneo.core :as neo] | |
[oauth.client :as oauth])) | |
(def oauth-consumer (oauth/make-consumer "KEY" | |
"SECRET" | |
"https://api.twitter.com/oauth/request_token" | |
"https://api.twitter.com/oauth/access_token" | |
"https://api.twitter.com/oauth/authorize" |
load 'deploy/assets' | |
namespace :deploy do | |
namespace :assets do | |
desc 'Run the precompile task locally and rsync with shared' | |
task :precompile, :roles => :web, :except => { :no_release => true } do | |
%x{bundle exec rake assets:precompile} | |
%x{rsync --recursive --times --rsh=ssh --compress --human-readable --progress public/assets #{user}@#{host}:#{shared_path}} | |
%x{bundle exec rake assets:clean} | |
end |
// Version 1. Simple recursive function. Blows the stack for large nodes. | |
function replace(node, from, to) { | |
switch (node.type) { | |
case IF: | |
return { | |
type: IF, | |
test: replace(node.test, from, to), | |
then: replace(node.then, from, to), | |
else: replace(node.else, from, to) | |
}; |
(begin | |
(require-extension gl) | |
(require-extension glut) | |
(require-extension glu) | |
(glut:InitDisplayMode (+ glut:DOUBLE glut:RGBA glut:DEPTH)) | |
(glut:InitWindowSize 400 300) | |
(glut:CreateWindow "gl hello world")) | |
(begin |
require 'rubygems' | |
require 'pg' | |
require 'eventmachine' | |
module Subscriber | |
def initialize(pg) | |
@pg = pg | |
end | |
def notify_readable |
#lang racket/base | |
;; By http://www.reddit.com/user/p4bl0 at http://paste.fulltxt.net/FZ4-HeULc | |
;; `racket -il readline -t http-client.rkt` | |
;; then you can use (M "/path/...") where M can be get, post, put, delete. | |
;; When authenticated, you can logout using (logout). | |
;; The host and port can be changed using set!. | |
(require racket/tcp |
http://guides.rubyonrails.org/migrations.html
# 1. Install from NetInst CD, via Ethernet, minimal set of packages, use syslinux boot loader! | |
# 2. Initialize Pacman, hit random keys during init | |
pacman-key --init | |
pacman-key --populate archlinux | |
# 3. Install X and Awesome WM | |
pacman -Sy xorg-server xorg-xinit xorg-utils xorg-server-utils xterm awesome xf86-video-vesa | |
# 4. Install nvidia drivers |