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# Show relations in a model
Model.reflect_on_all_associations.map(&:class_name) 

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# Display top cpu use
ps aux|sort -nr +2|head -5

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# Testing routes from console
>> app.users_path
=> "/users"

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# Diff two files(vertically) without use vimdiff from shell
vert diffsplit

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FuzzyFinder has a bug when works TagList plugin (it open the file in taglist, very annoying). It’s solved in fuzzyfinder 2.16 changing the line 1483:

wincmd p

to:

wincmd j

Then the next time that you open a file it’ll open in correct window.

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# Top cpu used by process
ps -eo pcpu,pid,user,args | sort -k 1 -r | head -n10

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#!/bin/sh
# 
# Modified ruby.Slackbuild for Ruby 1.8.6-p287
#  Ruby 1.8.7-p72 give me problems with rails 2.2
#
# Copyright 2008  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:

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# Awesome truncate
# From: http://daniel.collectiveidea.com/blog/2007/7/10/a-prettier-truncate-helper 
#
# First regex truncates to the length, plus the rest of that word, if any.
# Second regex removes any trailing whitespace or punctuation (except ;).
# Unlike the regular truncate method, this avoids the problem with cutting
# in the middle of an entity ex.: truncate("this & that",9)  => "this &am..."
# though it will not be the exact length.
def awesome_truncate(text, length = 30, truncate_string = "...")
  return if text.nil?

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# Rename multiples files with a regex.
# If filename are "*bazbar.txt" rename them to "*foobar.txt"
for f in *;do mv "$f" "${f/baz/foo}";done

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# Mysql to csv
mysqldump -u XXX -p -t <table> --tab=tables --tables users --fields-enclosed-by=\" --fields-terminated-by=, --where="<where condition here[optional]"