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Leif Gensert leifg

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@leifg
leifg / speaker.md
Last active August 29, 2015 13:56 — forked from matiaskorhonen/speaker.md
@leifg
leifg / array_check.rb
Created November 7, 2013 18:23
Correctly check for empty/filled array
arr = []
# You probably know this one:
#http://ruby-doc.org/core-2.0.0/Array.html#method-i-empty-3F
if arr.empty?
# do something
end
# But do you also know the opposite?
@leifg
leifg / Vagrantfile
Last active December 5, 2025 09:30
Add a second disk to system using vagrant
file_to_disk = './tmp/large_disk.vdi'
Vagrant::Config.run do |config|
config.vm.box = 'base'
config.vm.customize ['createhd', '--filename', file_to_disk, '--size', 500 * 1024]
config.vm.customize ['storageattach', :id, '--storagectl', 'SATA Controller', '--port', 1, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
end
@leifg
leifg / refinements.rb
Last active December 10, 2015 22:59
[~]$ ruby refinements.rb
refinements.rb:2: warning: Refinements are experimental, and the behavior may change in future versions of Ruby!
refinements.rb:10:in `<class:MyTestClass>': undefined method `using' for MyTestClass:Class (NoMethodError)
from refinements.rb:9:in `<main>'
@leifg
leifg / README.md
Created December 6, 2012 15:48
Jenkins Dashboard using dashing

This is an example of adding Jenkins build status to a [dashing-dashboard](https://github.com/Shopify/dashing

If a job is running, the widget will have a grey background. If a job succeeded at its last run, it will have a green background. If a job failed at its last run, it will have a red background.

Requirements:

@leifg
leifg / adn_machine_only_second
Created November 28, 2012 22:08
Second Step of ADN machine only post
curl -H 'Authorization: Bearer $ADN_TOKEN' \
-d '{"machine_only":true,"annotations":[{"type":"bla","value":"blub"}]}' \
https://alpha-api.app.net/stream/0/posts
--->
{
"meta": {
"code": 400,
"error_id": "b56ff451b98446ef803ac48325d5bb17$5f7e8eac12afb013ab7205b2ec9aaecc",
@leifg
leifg / adn_machine_only
Created November 28, 2012 20:49
First Steps of creating app.net machine_only posts
curl -H 'Authorization: Bearer $ADN_TOKEN' \
-F 'machine_only=true' \
https://alpha-api.app.net/stream/0/posts
-->
{
"meta": {
"code": 400,
"error_id": "54b71169b64e46e2b4586f71b0f72779$5f7e8eac12afb013ab7205b2ec9aaecc",
@leifg
leifg / rbenv_bundler
Created November 18, 2012 18:41
Output for broken bundler installation
[~]$ RBENV_DEBUG=1 bundle
+ '[' -z /Users/leifg/.rbenv ']'
+ RBENV_ROOT=/Users/leifg/.rbenv
+ export RBENV_ROOT
+ '[' -z '' ']'
++ pwd
+ RBENV_DIR=/Users/leifg
+ export RBENV_DIR
+ shopt -s nullglob
++ abs_dirname /usr/local/bin/rbenv
@leifg
leifg / add_to_volume_group
Created November 14, 2012 13:52
Resize logical volume in virtual machine
export VGNAME=ubuntu-10-04-i386
export SIZE=50G
sudo vgdisplay
sudo vgextend $VGNAME /dev/sdb
sudo lvresize -L +$SIZE /dev/$VGNAME/root
sudo resize2fs -p /dev/$VGNAME/root
df -h
@leifg
leifg / index.html
Created November 10, 2012 17:22
fixed z-index positioning in newest webkit
<!-- should always be on top -->
<div class="wrapper">
<div class="overlay">
overlay
</div>
</div>
<!-- should always be in the back -->
<div class="main">
main