Chris Stefano virtualstaticvoid
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| my_packages = c("dplyr") | |
| install_if_missing = function(p) { | |
| if (p %in% rownames(installed.packages()) == FALSE) { | |
| install.packages(p) | |
| } | |
| else { | |
| cat(paste("Skipping already installed package:", p, "\n")) | |
| } | |
| } |
virtualstaticvoid
/ application.rb
Last active
March 19, 2018 21:39
Heroku Buildpack R - Serving a plotted image via a Ruby Sinatra web application
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| require 'sinatra' | |
| require 'rinruby' | |
| # root page | |
| get '/' do | |
| sample_size = 10 | |
| html = "<html>" | |
| html += "<head><title>R Code Test</title></head>" |
virtualstaticvoid
/ A Out of process interface to R using Redis
Last active
March 9, 2016 17:20
Out of process interface to R using Redis
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| Out of process interface to R using Redis |
virtualstaticvoid
/ operation.rb
Created
December 17, 2014 08:01
Operation[params] vs Operation.(params) vs Operation(params)
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| # gem code | |
| module Trailblazer | |
| class Operation | |
| def self.inherited(klass) | |
| qualified_name = klass.name | |
| name_parts = qualified_name.split('::') | |
| method_name = name_parts.last |
virtualstaticvoid
/ A Vagrant - InfluxDb + Nginx + Grafana
Last active
October 30, 2017 07:09
Vagrant - InfluxDb + Nginx + Grafana
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| Vagrant - InfluxDb + Nginx + Grafana |
virtualstaticvoid
/ rename_episode.py
Created
September 25, 2014 11:01
gPodder Rename Episode Extension
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| # -*- coding: utf-8 -*- | |
| # Rename files based on the episode title | |
| # Copyright (c) 2014-09-25 Chris Stefano <virtualstaticvoid@gmail.com> | |
| # Licensed under the same terms as gPodder itself | |
| # Source code copied and modified from https://github.com/gpodder/gpodder/blob/master/share/gpodder/extensions/rename_download.py | |
| import os | |
| import gpodder | |
| from gpodder import util |
virtualstaticvoid
/ git-save
Created
September 12, 2014 15:14
Git script to quickly add and commit all modified files
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| #!/bin/bash | |
| comment=${1:-"Autosaved at $(date +%Y)-$(date +%m)-$(date +%d) $(date +%H:%M)"} | |
| # make sure we're at the root of git repo | |
| #if [ ! -d .git ]; then | |
| # echo "Error: must run this script from the root of a git repository" | |
| # exit 1 | |
| #fi |
virtualstaticvoid
/ git-reset-modes
Created
September 12, 2014 15:12
Git script for resetting the file modes
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| #!/bin/bash | |
| # make sure we're at the root of git repo | |
| if [ ! -d .git ]; then | |
| echo "Error: must run this script from the root of a git repository" | |
| exit 1 | |
| fi | |
| git diff --numstat \ | |
| | awk '{if (($1 == "-" && $2 == "-") || ($1 == "0" && $2 == "0")) { $1=$2=""; print }}' \ |
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| # | |
| # Given a bit of program logic: | |
| # | |
| # x2 = y1 * x1 || y2 / exchange_rate || x2 * exchange_rate / y1 || another | |
| # | |
| # Where y1, x1, y2 and x2 are function calls, which may yield nils | |
| # | |
| def coalesce(*args) |
virtualstaticvoid
/ default_values.rb
Created
March 19, 2014 16:04
Rails 4 Concern for Default Attribute Values
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| # | |
| # | |
| # Rails 4 concern for specifying default attribute values on models | |
| # | |
| # E.g. The following user has defaults defined for `active` and `manager` attributes | |
| # | |
| # class User < ActiveRecord::Base | |
| # include Concerns::DefaultValues | |
| # | |
| # default_value :active, true |