giuseb’s gists

giuseb / gist:d12695a743696df1a8b8a20bfdf0322a

Created December 1, 2016 13:27

trying to aptitude purge

	The following packages will be REMOVED:
	linux-image-3.13.0-100-generic{p} linux-image-3.13.0-101-generic{p} linux-image-3.13.0-92-generic{p} linux-image-3.13.0-93-generic{p}
	linux-image-3.13.0-96-generic{p} linux-image-extra-3.13.0-100-generic{p} linux-image-extra-3.13.0-101-generic{p} linux-image-extra-3.13.0-92-generic{p}
	linux-image-extra-3.13.0-93-generic{p} linux-image-extra-3.13.0-96-generic{p}
	0 packages upgraded, 0 newly installed, 10 to remove and 0 not upgraded.
	Need to get 0 B of archives. After unpacking 734 MB will be freed.
	Do you want to continue? [Y/n/?] y
	(Reading database ... 50768 files and directories currently installed.)
	Removing linux-image-extra-3.13.0-100-generic (3.13.0-100.147) ...
	run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 3.13.0-100-generic /boot/vmlinuz-3.13.0-100-generic

giuseb / gist:c61778d9f0af8765d21184965981b520

Created December 1, 2016 13:23

Trying to apt-get purge

	Reading package lists... Done
	Building dependency tree
	Reading state information... Done
	The following packages will be REMOVED:
	linux-image-3.13.0-100-generic* linux-image-3.13.0-101-generic*
	linux-image-3.13.0-92-generic* linux-image-3.13.0-93-generic*
	linux-image-3.13.0-96-generic* linux-image-extra-3.13.0-100-generic
	linux-image-extra-3.13.0-101-generic linux-image-extra-3.13.0-92-generic
	linux-image-extra-3.13.0-93-generic linux-image-extra-3.13.0-96-generic
	0 upgraded, 0 newly installed, 10 to remove and 0 not upgraded.

giuseb / gist:db1a9d6e170ec917f0a39b0918a7569e

Last active November 28, 2016 08:04

running aptitude purge again

	$ sudo aptitude purge \
	> linux-image-extra-3.13.0-100-generic \
	> linux-image-extra-3.13.0-101-generic \
	> linux-image-extra-3.13.0-92-generic \
	> linux-image-extra-3.13.0-93-generic \
	> linux-image-extra-3.13.0-96-generic
	The following packages will be REMOVED:
	linux-image-extra-3.13.0-100-generic{p} linux-image-extra-3.13.0-101-generic{p} linux-image-extra-3.13.0-92-generic{p} linux-image-extra-3.13.0-93-generic{p}
	linux-image-extra-3.13.0-96-generic{p}
	0 packages upgraded, 0 newly installed, 5 to remove and 7 not upgraded.

giuseb / gist:dcc38ab95c52e53b4fd80280809b8649

Created November 28, 2016 07:46

purging via aptitude

giuseb / gist:ef11c040c527f9014d0f4f1a79fe11b1

Created November 28, 2016 07:42

Holding 3 packages

	$ sudo aptitude hold linux-image-extra-3.13.0-100-generic linux-image-extra-3.13.0-101-generic linux-image-extra-3.13.0-92-generic

	The following partially installed packages will be configured:
	linux-image-3.13.0-100-generic linux-image-3.13.0-101-generic linux-image-3.13.0-92-generic linux-image-3.13.0-93-generic linux-image-3.13.0-96-generic
	linux-image-extra-3.13.0-93-generic linux-image-extra-3.13.0-96-generic
	No packages will be installed, upgraded, or removed.
	0 packages upgraded, 0 newly installed, 0 to remove and 7 not upgraded.
	Need to get 0 B/111 MB of archives. After unpacking 0 B will be used.
	Setting up linux-image-3.13.0-100-generic (3.13.0-100.147) ...
	Running depmod.

giuseb / gist:b8b6a28ec24de33c3c2060d42b91b7ff

Created November 28, 2016 07:32

Purging one linux header

	$ sudo apt-get purge linux-headers-3.13.0-100

	Reading package lists... Done
	Building dependency tree
	Reading state information... Done
	The following packages will be REMOVED:
	linux-headers-3.13.0-100* linux-headers-3.13.0-100-generic*
	linux-image-extra-3.13.0-100-generic linux-image-extra-3.13.0-101-generic
	linux-image-extra-3.13.0-92-generic
	0 upgraded, 0 newly installed, 5 to remove and 7 not upgraded.

giuseb / gist:42d45897599e0a3bd454b075dbe5005d

Created November 28, 2016 07:21

purging all unwanted headers

giuseb / Matlab course cheatsheet

Created May 26, 2015 15:15

	% The command line starts with a prompt waiting for user input; typing
	% something at the prompt and pressing Enter invokes the interpreter; if
	% the string is valid, Matlab will process the input and act accordingly,
	% otherwise an error is raised and the relative message is shown below the
	% input string
	%
	% At the command line, when you type a number and press enter
	% Matlab will respond with that number
	123

giuseb / gist:62dc0bc7ef4f56c451e3

Last active August 29, 2015 14:07

prawn-grouping failing spec

	it 'should push question #4 to the second column' do
	pdf = Prawn::Document.new do
	font_size 10
	column_box [0, cursor], columns: 2, width: bounds.width do
	4.times do \|i\|
	group do
	text "<b>This is question ##{i+1}</b>", inline_format: true
	move_down 10
	5.times do \|j\|
	text "#{j+1}. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore"

giuseb / gist:1593783

Created January 11, 2012 08:50

Code that caused the first javascript asset to be loaded twice

	module ActionView
	module Helpers
	module AssetTagHelper

	# We redefine javascript_include_tag in order to auto-magically include
	# the widgets javascripts. If you hame more than one javascript_include_tag
	# call, the widgets javascripts gets included only once.
	def javascript_include_tag_with_widgets(*sources)
	unless @__widgets_has_already_included_its_js
	options = sources.last.is_a?(Hash) ? sources.pop : {} # remove options

Giuseppe giuseb