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@fcalderan
fcalderan / inception-javascript.js
Created November 2, 2010 09:42
inception explained as a 4 nested javascript closures
/*
* Fabrizio Calderan, twitter @fcalderan, 2010.11.02
* I had an idea: could Inception movie be explained by a few javascript closures
* and variable resolution scope (just for fun)?
*
* Activate javascript console =)
*/
<script>
console.group("inception movie");
@jnx
jnx / rbenv-install-system-wide.sh
Created October 1, 2011 20:09
rbenv install and system wide install on Ubuntu 10.04 LTS.
# Update, upgrade and install development tools:
apt-get update
apt-get -y upgrade
apt-get -y install build-essential
apt-get -y install git-core
# Install rbenv
git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv
# Add rbenv to the path:
@rothgar
rothgar / main.yml
Last active March 8, 2024 07:16
Generate /etc/hosts with Ansible
# Idempotent way to build a /etc/hosts file with Ansible using your Ansible hosts inventory for a source.
# Will include all hosts the playbook is run on.
# Inspired from http://xmeblog.blogspot.com/2013/06/ansible-dynamicaly-update-etchosts.html
- name: "Build hosts file"
lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ hostvars[item].ansible_default_ipv4.address }} {{item}}" state=present
when: hostvars[item].ansible_default_ipv4.address is defined
with_items: groups['all']
@nickjacob
nickjacob / systemd-prblm.service
Last active March 17, 2023 16:11
execute arbitrary bash code/variable substitution in systemd units
[Unit]
Description=Demonstrate Bash
[Service]
ExecStartPre=/usr/bin/bash -c "/usr/bin/systemctl set-environment MYVAR=$(( 2 + 2 ))"
ExecStart=/usr/bin/echo "2 + 2 = ${MYVAR}"
@SuryaSankar
SuryaSankar / M2M_Association_SQLalchemy.py
Last active September 25, 2023 07:30
An example of a many to many relation via Association Object in SQLAlchemy
import sqlalchemy
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, Integer, String, ForeignKey
from sqlalchemy.orm import sessionmaker, relationship, backref
from sqlalchemy.ext.associationproxy import association_proxy
import uuid
engine = sqlalchemy.create_engine('sqlite:///:memory:')
Base = declarative_base()
@shannonwells
shannonwells / socksify_faraday.rb
Last active May 7, 2021 20:52
Faraday + SOCKS
require 'rubygems'
require 'faraday'
require 'socksify'
require 'socksify/http'
require 'awesome_print'
# This is a SOCKS monkey patch for Faraday, with example use/unit test.
# Notes:
# * It is altered to work with SOCKS5 authentication.
# * net_http_class must return a Faraday::Adapter::NetHttp instance.
@obfusk
obfusk / break.py
Last active May 1, 2024 20:32
python "breakpoint" (more or less equivalent to ruby's binding.pry); for a proper debugger, use https://docs.python.org/3/library/pdb.html
import code; code.interact(local=dict(globals(), **locals()))
with table_stats as (
select psut.relname,
psut.n_live_tup,
1.0 * psut.idx_scan / greatest(1, psut.seq_scan + psut.idx_scan) as index_use_ratio
from pg_stat_user_tables psut
order by psut.n_live_tup desc
),
table_io as (
select psiut.relname,
sum(psiut.heap_blks_read) as table_page_read,
@maxim
maxim / gh-dl-release
Last active April 29, 2024 08:55
Download assets from private Github releases
#!/usr/bin/env bash
#
# gh-dl-release! It works!
#
# This script downloads an asset from latest or specific Github release of a
# private repo. Feel free to extract more of the variables into command line
# parameters.
#
# PREREQUISITES
#
#!/bin/sh -x ## or just ` curl -Ls http://git.io/vRozn | sh `.
## Downloads the Mac OS X 10.10 Recovery Partition update,
## Copy's over the 10.10 version of Disk Utility.app, then
## use git to apply a binary patch so it will run on 10.11+.
cd /tmp
rm -rf DU1010
mkdir DU1010