Skip to content

Instantly share code, notes, and snippets.

View volkanunsal's full-sized avatar

Volkan Unsal volkanunsal

70 followers · 168 following
View GitHub Profile
@rmcafee
rmcafee / hash_extend.rb
Created May 19, 2009 18:18
Extend Ruby Hash with Useful Methods
class Hash
def except(*blacklist)
{}.tap do |h|
(keys - blacklist).each { |k| h[k] = self[k] }
end
end
def only(*whitelist)
{}.tap do |h|
(keys & whitelist).each { |k| h[k] = self[k] }
@thegrandpoobah
thegrandpoobah / _.retry.js
Created May 5, 2011 14:34
Retry mixin for Underscore.js
_.mixin({
// Polls condition indefinitely every N milliseconds and executes
// a function once the condition has passed.
retry: function(func, cond, wait) {
var args = slice.call(arguments, 3);
if (cond()) {
func.apply(this, args);
} else {
_.delay.apply(this, [_.retry, wait, func, cond, wait].concat(args));
}
@erichurst
erichurst / database.yml.example mysql2
Created May 9, 2011 02:58
Rails 3 database.yml examples
# MySQL. Versions 4.1 and 5.0 are recommended.
#
# Install the MySQL driver:
# gem install mysql2
#
# And be sure to use new-style password hashing:
# http://dev.mysql.com/doc/refman/5.0/en/old-client.html
development:
adapter: mysql2
encoding: utf8
@dblock
dblock / git-delete-merged-branches.sh
Created June 9, 2011 21:12
Delete merged git branches.
git branch --merged | grep -v master | xargs git branch -d
git branch -r --merged | awk -F'/' '/^ *origin/{if(!match($0, /(>|master)/)){print $2}}' | xargs git push origin --delete
@max-mapper
max-mapper / readme.md
Created September 28, 2011 02:01
SLEEP - syncable.org

Your API does REST, but can it SLEEP?

SLEEP (Syncable Lightweight Event Emitting Persistence) is an emerging standard for distributed data sync using HTTP and JSON. A generalized version of CouchDB's much lauded built-in replication, SLEEP extends the REST architecture to define a way in which databases can offer syncable JSON APIs that foster open data innovation by allowing developers to replicate entire databases over the net.

SLEEP comes from the Apache CouchDB project which is now widely known for it's multi-master streaming HTTP + JSON replication. This is possible in part because of the CouchDB _changes feed, which is a particular API that lets you see if there have been any changes made to the database since last time you synchronized. CouchDB can efficiently implement the _changes feed because of one subtle difference between it and most other databases: it stores a history of all changes that happen to the database, including deletes.

If you synchronize data from a remote source and then the

@watson
watson / ability.rb
Created October 5, 2011 09:50
Active Admin CanCan integration with shared front/backend User model and multi-level autherization
# app/models/ability.rb
# All front end users are authorized using this class
class Ability
include CanCan::Ability
def initialize(user)
user ||= User.new
can :read, :all
@gdamjan
gdamjan / record_to_list.hrl
Created October 8, 2011 19:45
An erlang macro that creates a function to convert a record to a key-value list
%%% This macro will create a function that converts a record to
%%% a {key, value} list (a proplist)
-define(record_to_list(Record),
fun(Val) ->
Fields = record_info(fields, Record),
[_Tag| Values] = tuple_to_list(Val),
lists:zip(Fields, Values)
end
).
@crofty
crofty / index.html
Last active October 22, 2021 08:24
A example of using Google Map tiles with the Leaflet mapping library - http://matchingnotes.com/using-google-map-tiles-with-leaflet
<!DOCTYPE html>
<html>
<head>
<title>Leaflet</title>
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.3.1/leaflet.css" />
<script src="http://cdn.leafletjs.com/leaflet-0.3.1/leaflet.js"></script>
<script src="http://maps.google.com/maps/api/js?v=3.2&sensor=false"></script>
<script src="http://matchingnotes.com/javascripts/leaflet-google.js"></script>
</head>
<body>
@eclubb
eclubb / sqlite2pg.sh
Created March 30, 2012 17:20
Script to import SQLite3 database into PostgreSQL
#!/bin/sh
# This script will migrate schema and data from a SQLite3 database to PostgreSQL.
# Schema translation based on http://stackoverflow.com/a/4581921/1303625.
# Some column types are not handled (e.g blobs).
SQLITE_DB_PATH=$1
PG_DB_NAME=$2
PG_USER_NAME=$3
@driehle
driehle / backbone-validation-bootstrap.js.coffee
Last active February 11, 2021 15:09
Render error messages of Backbone.Validation for Twitter Bootstrap
# --------------------------------------------
# This code is for Twitter Bootstrap 2!
# --------------------------------------------
#
# The MIT License (MIT)
# Copyright (c) 2012-2015 Dennis Riehle
#
# 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