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## | |
# CarrierWave Amazon S3 File Reprocessor Rake Task | |
# | |
# Written (specifically) for: | |
# - CarrierWave | |
# - Ruby on Rails 3 | |
# - Amazon S3 | |
# | |
# Works with: | |
# - Any server of which you have write-permissions in the Rails.root/tmp directory |
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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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RSpec::Matchers.define(:be_same_file_as) do |exected_file_path| | |
match do |actual_file_path| | |
expect(md5_hash(actual_file_path)).to eq(md5_hash(expected_file_path)) | |
end | |
def md5_hash(file_path) | |
Digest::MD5.hexdigest(File.read(file_path)) | |
end | |
end |
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javascript:(function(){var l,r="";while(l=prompt(r)){try{r=String(eval(l));}catch(e){r="Error: "+e}}})(); |
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# requires root permissions in /usr/bin/ | |
star = String.new | |
8.times { star += "*" } | |
Star = "\n#{star * 3}\n" | |
def newblock string | |
puts "\n#{Star}#{string}#{Star}\n" | |
end |
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#!/usr/bin/env bash | |
# bash 4.1.5(1) Linux Ubuntu 10.04 Date : 2019-01-02 | |
# | |
# _______________| noise : ambient Brown noise generator (cf. white noise). | |
# | |
# Usage: noise [minutes=59] [band-pass freq center=1786] [wave] | |
# ^minutes can be any positive integer. | |
# Command "noise 1" will display peak-level meter. | |
# | |
# Dependencies: play (from sox package) |
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
Version 2, December 2004 | |
Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE> | |
Everyone is permitted to copy and distribute verbatim or modified | |
copies of this license document, and changing it is allowed as long | |
as the name is changed. | |
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE |
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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@mixin truncate { | |
white-space: nowrap; | |
overflow: hidden; | |
text-overflow: ellipsis; | |
} | |
@mixin prefixify($style, $params) { | |
-webkit-#{$style}: $params; | |
-moz-#{$style}: $params; | |
-ms-#{$style}: $params; |
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