vrinek’s gists

vrinek / avatar.rb

Created June 25, 2009 12:02

attachment_fu custom error messages

	class Avatar < ActiveRecord::Base
	has_attachment :content_type => :image,
	:storage => :file_system,
	:max_size => 500.kilobytes,
	:resize_to => 'c128x128',
	:thumbnails => {:tiny => 'c24x24', :small => "c48x48"}
	validates_as_attachment

	after_validation :greeklize_attachment_errors

vrinek / gist:156416

Created July 27, 2009 14:42

	<tr class="marked">
	<td colspan="5"><pre><a name="line6"></a>6 def toc_for(article)</pre></td>
	</tr>
	<tr class="uncovered">
	<td colspan="5"><pre><a name="line7"></a>7 '<ul id="toc_links">' + article.toc.collect{ \|h5\|</pre></td>
	</tr>
	<tr class="uncovered">
	<td colspan="5"><pre><a name="line8"></a>8 '<li>' + link_to(h5[:title], url_for_article(article) + '?article_page=' + h5[:page].to_s + '#' + h5[:id]) + '</li>'</pre></td>
	</tr>
	<tr class="uncovered">

vrinek / ApplicationController.rb

Created July 30, 2009 07:26

	# used for paginations (Model.paginate :page => page_from_params)
	# it just makes the WillPaginate::InvalidPage errors go away
	def page_from_params
	(p = params[:page].to_i) > 0 ? p : 1
	end

vrinek / gist:451508

Created June 24, 2010 14:25


	$$('a[data-remote=true]').each(function(a){
	a.onclick = function(){
	href = a.getAttribute('href');
	url = href.split('?')[0];
	params = href.split('?')[1];
	newParam = encodeURI(eval(a.getAttribute('data-with')));

	if(params){
	params = params.split('&');

vrinek / gist:958115

Created May 5, 2011 22:34

	def all_controller_actions(controller)
	(controller.ancestors[1, controller.ancestors.index(ApplicationController)] + [Object]).inject(controller.new.methods) do \|methods, ancestor\|
	methods -= ancestor.new.methods unless ancestor.class == Module
	methods
	end.reject{\|m\| m =~ /^_/}.sort.map(&:to_sym)
	end

vrinek / gist:990771

Created May 25, 2011 10:46

find out how a file has changed when you get a conflict in "rebase master"

git log -p --color $(git merge-base master branch)...master path/to/file.rb

vrinek / gist:1034044

Created June 19, 2011 10:27

New installation of RVM on a vanilla OSX Snow Leopard

	#!/bin/bash

	# checks for GCC (installed from Xcode)
	if [ "$(which gcc)" = "" ]; then
	echo "You don't have Xcode installed. Please install it from http://developer.apple.com/"
	exit 0
	fi

	# checks for git
	if [ "$(which git)" = "" ]; then

vrinek / gist:1188161

Created September 2, 2011 08:15

wikileaks decryption key

Gw0whe$PfehwH{W%$%0sfwFGOENqi24yHSFP{NKFwekqzcxGPAEGMq32pfewkjnwrHN}#%Fwedqkdg?WM43\hgwr#$JhowdnwqQELFDWmenhwREWKwqeq$

vrinek / gist:1219113

Created September 15, 2011 12:30

finds focused specs (good for a git hook)

git grep -n ':focus *=> *true' -- $(ruby -e 'puts `ls -d spec/*`.split("\n").reject{|f| f == "spec/spec_helper.rb"}')

vrinek / howto_run_this.sh

Created October 24, 2011 09:07

ruby ../cleanup_gist/merged_branches.rb > ../cleanup_gist/table.txt && cat ../cleanup_gist/table.txt 

Kostas vrinek