Skip to content

Instantly share code, notes, and snippets.

View hmcfletch's full-sized avatar

Les Fletcher hmcfletch

View GitHub Profile
@janlelis
janlelis / .railsrc
Created March 31, 2011 16:52
13 Rails-specific hints for your rails 3 console.
# .railsrc for Rails 3, encoding: utf-8
# see http://rbjl.net/49-railsrc-rails-console-snippets
if !Rails.application then warn "Rails isn't loaded, yet... skipping .railsrc" else
# # #
def ripl?; defined?(Ripl) && Ripl.instance_variable_get(:@shell); end
# # #
# loggers
import sys
import subprocess
import tempfile
import urllib
text = sys.stdin.read()
chart_url_template = ('http://chart.apis.google.com/chart?'
'cht=qr&chs=300x300&chl={data}&chld=H|0')
chart_url = chart_url_template.format(data=urllib.quote(text))
@axelav
axelav / gist:1839777
Created February 15, 2012 22:51 — forked from lucasfais/gist:1207002
Sublime Text 2 - Useful Shortcuts

Sublime Text 2 – Useful Shortcuts (Mac OS X)

General

⌘T go to file
⌘⌃P go to project
⌘R go to methods
⌃G go to line
⌘KB toggle side bar
⌘⇧P command prompt
@jcromartie
jcromartie / spark.rb
Created November 15, 2011 13:37
Sparklines in Ruby
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
# prints a sparkline in the terminal using the supplied list of numbers
# examples:
# spark.rb 10 20 30 100 90 80
# spark.rb 1 2 0.4 0.1 1.3 0.7
@ticks = %w[▁ ▂ ▃ ▄ ▅ ▆ ▇]
values = ARGV.map { |x| x.to_f }
@ivanvanderbyl
ivanvanderbyl / post_view.hbs
Last active September 23, 2016 15:16
A simple Handlebars helper to do automatically updating dates. Requires moment.js
<time>{{timeAgoInWords post.publishedAt}}</time>
@nahurst
nahurst / latency.txt
Created September 13, 2012 01:34 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers Time Light Distance Approximate Light Distance
-------------------------- ---- -------------- --------------------------
L1 cache reference 0.5 ns 0.15 m Diagonal across your smartphone
Branch mispredict 5 ns 1.5 m Height of Natalie Portman
L2 cache reference 7 ns 2.1 m Height of Shaq
Mutex lock/unlock 25 ns 7.5 m Height of a school flag pole
Main memory reference 100 ns 30 m Half a Manhattan city block (North/South)
Compress 1K bytes with Zippy 3,000 ns 900 m Width of Central Park
Send 1K bytes over 1 Gbps network 10,000 ns 3,000 m Width of Manhattan
Read 4K randomly from SSD* 150,000 ns 45,000 m NYC to Hempstead on Long Island
@joshmvandercom
joshmvandercom / dropdown_to.rb
Created February 27, 2012 21:39
Passing a block into a helper
# Creates a Bootstrap dropdown
# Ex:
# = dropdown_to "Auctions", auctions_path do
# %li= link_to 'Upcoming Auctions', auctions_path
# %li= link_to 'Past Auctions', past_auctions_path
#
# Returns:
# <li class="dropdown">
# <a class="dropdown-toggle" data-toggle="dropdown" href="/auctions">
# <span>Auction</span>