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# lib/tasks/db.rake | |
namespace :db do | |
desc "Dumps the database to db/APP_NAME.dump" | |
task :dump => :environment do | |
cmd = nil | |
with_config do |app, host, db, user| | |
cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump" | |
end | |
puts cmd |
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# Installing librets in Ubuntu 14.04 can actually be fairly painless. Took me half an hour. | |
# I followed the instructions found at https://gist.github.com/sarkis/4472012 and made some modifications to keep it current. | |
cd ~/; mkdir src; cd src # or go to whatever folder you want to build source from | |
sudo apt-get update && sudo apt-get install build-essential | |
sudo apt-get install ruby-dev libexpat1-dev libcurl3-dev libboost-dev libboost-filesystem-dev antlr antlr3 libantlr-dev swig libboost-program-options-dev python-dev | |
# Swig preskociti | |
Download swig latest, unpack, read install file inside, and install | |
https://github.com/swig/swig/releases |
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=Navigating= | |
visit('/projects') | |
visit(post_comments_path(post)) | |
=Clicking links and buttons= | |
click_link('id-of-link') | |
click_link('Link Text') | |
click_button('Save') | |
click('Link Text') # Click either a link or a button | |
click('Button Value') |
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module Excel | |
module Formulas | |
def pmt(rate, nper, pv, fv=0, type=0) | |
((-pv * pvif(rate, nper) - fv ) / ((1.0 + rate * type) * fvifa(rate, nper))) | |
end | |
def ipmt(rate, per, nper, pv, fv=0, type=0) | |
p = pmt(rate, nper, pv, fv, 0); | |
ip = -(pv * pow1p(rate, per - 1) * rate + p * pow1pm1(rate, per - 1)) | |
(type == 0) ? ip : ip / (1 + rate) |
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