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Florian Nitschmann nitschmann

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  • solarisBank AG
  • Germany
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@nitschmann
nitschmann / ssl_key_pairs.rb
Created August 17, 2017 13:25
Ruby script to generate OpenSSL Key-Pairs
require "openssl"
# could also be different
key_length = 4096
new_key = OpenSSL::PKey::RSA.generate(key_length)
public_key = new_key.public_key
public_key_string = public_key.to_s
@nitschmann
nitschmann / uuid_as_primary_key.rb
Created August 13, 2017 12:34
uuid as primary key
module UuidAsPrimaryKey
extend ActiveSupport::Concern
included do
before_create :assign_uuid
end
protected
def assign_uuid
@nitschmann
nitschmann / keybase.md
Created January 22, 2017 01:43

Keybase proof

I hereby claim:

  • I am fnitschmann on github.
  • I am fnitschmann (https://keybase.io/fnitschmann) on keybase.
  • I have a public key whose fingerprint is F6F8 4EB1 FD20 30EA EF23 EF93 FC33 7F44 5276 D063

To claim this, I am signing this object:

@nitschmann
nitschmann / rmagick_2-12-2_mavericks.sh
Created July 23, 2014 10:06
Shell script to install Ruby rmagick -v '2.12.2' Gem with Homebrew under Mac OS X Mavericks
# This is a quick and dirty script for Max OS X Mavericks to install
# the Ruby rmagick Gem (Version 2.12.2) correct with Homebrew and ImageMagick
# Uninstall current ImageMagick (if installed)
if brew list -1 | grep -q "imagemagick"; then
brew uninstall imagemagick --force
fi
# Get all versions of ImageMagick via Homebrew
brew versions imagemagick
@nitschmann
nitschmann / ajax.js
Created July 21, 2014 10:33
Basic ajax handler function in JavaScript without jQuery
function ajax(url, method, data, async) {
method = typeof method !== 'undefined' ? method : 'GET';
async = typeof async !== 'undefined' ? async : false;
if (window.XMLHttpRequest) {
var xhReq = new XMLHttpRequest();
}
else {
var xhReq = new ActiveXObject('Microsoft.XMLHTTP');
}
@nitschmann
nitschmann / date_in.java
Created May 7, 2014 19:06
Java functions to get the date in N days
import java.util.Calendar;
import java.util.Date;
public Date dateIn(int days) {
Date date = new Date();
Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.DATE, days);
cal.set(Calendar.MINUTE, 0);
@nitschmann
nitschmann / easter_day.rb
Last active March 15, 2016 13:45
Ruby implementation to find out the easter day date for a specific year (based on Anonymous Gregorian algorithm)
require "date"
# anonymous gregorian algorithm (http://en.wikipedia.org/wiki/Computus#Anonymous_Gregorian_algorithm)
def easter_day(year)
if year.is_a?(Integer)
y = year
# calculation
a = y % 19
b = y / 100
c = y % 100
@nitschmann
nitschmann / uninstall_homebrew.sh
Created December 10, 2013 09:17
Uninstaller for HomeBrew
#!/bin/sh
# This script uninstalls HomeBrew from your Mac completly
# Just copy and paste the lines below (all at once, it won't work line by line!)
function abort {
echo "$1"
exit 1
}
set -e
@nitschmann
nitschmann / green_console_matrix.rb
Created October 17, 2013 09:19
This is a sample for an endless matrix output in green for your console in Ruby
class String
# Print a String in a specfic color
def colorize(text, color_code)
"#{color_code}#{text}\e[0m"
end
# Green String
def green
colorize(self, "\e[1m\e[32m")
end
end
@nitschmann
nitschmann / spec_helper_gemified_rails_plugins.rb
Last active December 25, 2015 07:48
This is a sample config for a rspec spec_helper.rb file with the Spork Gem inside gemified Ruby on Rails plugins
ENV["RAILS_ENV"] ||= "test"
require File.expand_path("../dummy/config/environment.rb", __FILE__)
require "rubygems"
require "spork"
require "rspec/rails"
require "rspec/autorun"
Spork.prefork do