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@leovandriel
leovandriel / gist:3923434
Last active October 12, 2015 13:19
An iOS view controller for trying out different UIImage preloading strategies
// ImagePreloadingViewController - An iOS view controller for trying out different
// UIImage preloading strategies. Results for 1 MB png on iPhone 4S:
// - No preload: drawing the image right away (80 ms)
// - Header preload: getting the width (10 ms) and then drawing (100 ms)
// - Data preload: getting the data (110 ms) and then drawing (75 ms)
// - Draw preload: drawing it once (100 ms) and then again (20 ms)
// In short: preload a UIImage by drawing it.
// License: BSD
// Author: Leonard van Driel, 2012
@mbostock
mbostock / .block
Last active February 20, 2025 10:51
Gradient Along Stroke
license: gpl-3.0
@choonkeat
choonkeat / get_mcc_mnc.rb
Created December 13, 2012 15:43
mcc mnc data from wikipedia
# modified https://gist.github.com/4147383
require 'uri'
require 'cgi'
require 'net/http'
require 'openssl'
def request(url, params = {}, klass = Net::HTTP::Get, pem_filecontent = nil)
uri = uri.kind_of?(URI::Generic) ? url : URI.parse(url)
if klass == Net::HTTP::Get && (!params.empty?)
uri.query = [uri.query, URI.encode_www_form(params.stringify_keys)].reject(&:blank?).join('&')
anonymous
anonymous / concerning.rb
Created December 18, 2012 18:00
class Module
# We often find ourselves with a medium-sized chunk of behavior that we'd
# like to extract, but only mix in to a single class.
#
# We typically choose to leave the implementation directly in the class,
# perhaps with a comment, because the mental and visual overhead of defining
# a module, making it a Concern, and including it is just too great.
#
#
# Using comments as lightweight modularity:
@gdamjan
gdamjan / README.md
Last active May 25, 2025 01:21
Setup for an easy to use, simple reverse http tunnels with nginx and ssh. It's that simple there's no authentication at all. The end result, a single ssh command invocation gives you a public url for your web app hosted on your laptop.

What

A lot of times you are developing a web application on your own laptop or home computer and would like to demo it to the public. Most of those times you are behind a router/firewall and you don't have a public IP address. Instead of configuring routers (often not possible), this solution gives you a public URL that's reverse tunnelled via ssh to your laptop.

Because of the relaxation of the sshd setup, it's best used on a dedicated virtual machine just for this (an Amazon micro instance for example).

Requirements

@p1nox
p1nox / postgresql_configuration_on_ubuntu_for_rails.md
Last active September 5, 2025 05:28
PostgreSQL configuration without password on Ubuntu for Rails

Abstract

You could have postgre installed on localhost with password (or without user or password seted after instalation) but if we are developing we really don't need password, so configuring postgre server without password for all your rails project is usefull.

Install Postgre packages

  • postgresql
  • postgresql-client
  • libpq-dev
@magnetikonline
magnetikonline / README.md
Last active October 29, 2025 21:22
IE 7/8/9/10/11 Virtual machines from Microsoft - Linux w/VirtualBox installation notes.
@willurd
willurd / web-servers.md
Last active October 30, 2025 23:18
Big list of http static server one-liners

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000
@nicolashery
nicolashery / solarized-dark.css
Last active October 9, 2025 17:55 — forked from scotu/solarized.css
Solarized theme stylesheets for Jekyll and Pygments
/* Solarized Dark
For use with Jekyll and Pygments
http://ethanschoonover.com/solarized
SOLARIZED HEX ROLE
--------- -------- ------------------------------------------
base03 #002b36 background
base01 #586e75 comments / secondary content
#
# Jekyll Generator for SCSS
#
# (File paths in this description relative to jekyll project root directory)
# Place this file in ./_plugins
# Place .scss files in ./_scss
# Compiles .scss files in ./_scss to .css files in whatever directory you indicated in your config
# Config file placed in ./_sass/config.rb
#