This article is now published on my website: Prefer Subshells for Context.
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# Beginning Rubyists: simply run >> ruby hex-convertions.rb to see examples | |
# or use irb to build the code on the fly | |
# you can convert HEX to DEC using the method .to_i(base), | |
# which converts a string to a decimal number from the specified base number | |
puts "00".to_i(16) | |
puts "FF".to_i(16) |
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#!/bin/sh | |
# Print four lines showing blocks of colors: 0-7 | 0-7bold | 8-15 | 8-15bold | |
perl -CADS -lwe ' | |
my $block = shift || (chr(0x2588) x 3); | |
for (["", 0], ["1;", 0], ["", 8], ["1;", 8]) { | |
my ($bold, $offset) = @$_; | |
my @range = map $offset + $_, 0..7; | |
printf "%s %-6s ", $bold ? "bold" : "norm", "$range[0]-$range[-1]"; | |
print map("\e[${bold}38;5;${_}m$block", @range), "\e[0m" | |
} |
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application:open-your-keymap | |
application:open-your-stylesheet | |
autocomplete:attach | |
autoflow:reflow-paragraph | |
bookmarks:clear-bookmarks | |
bookmarks:jump-to-next-bookmark | |
bookmarks:jump-to-previous-bookmark | |
bookmarks:toggle-bookmark | |
bookmarks:view-all | |
check:correct-misspelling |
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# Channel | |
class CommentsChannel < ApplicationCable::Channel | |
def self.broadcast_comment(comment) | |
broadcast_to comment.message, comment: CommentsController.render( | |
partial: 'comments/comment', locals: { comment: comment } | |
) | |
end | |
def follow(data) | |
stop_all_streams |
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" Made by @henriquegogo | |
" Script moved to https://github.com/henriquegogo/dotfiles | |
" I'll maintain this one just for compatibility with old references and history | |
au VimEnter * !wget https://raw.githubusercontent.com/henriquegogo/dotfiles/master/.vimrc -O ~/.vimrc |
In the seemlingly endless search for the actual correct and easy way to deploy a Rails app, we have tried several ways. We tried out using Apache2 and running a cluster of Thin servers. With the built in threading of Puma we decided to use it with Nginx.
- Create new server
- Login to new server
- ssh root@IPaddress (you can also use the domain name if you have the DNS setup already)
- accept the RSA key
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# This script has to be run as a root user | |
echo "* Updating system" | |
apt-get update | |
apt-get -y upgrade | |
echo "* Installing packages" | |
apt-get -y install build-essential libmagickcore-dev imagemagick libmagickwand-dev libxml2-dev libxslt1-dev git-core nginx redis-server curl nodejs htop | |
id -u deploy &> /dev/null | |
if [ $? -ne 0 ] |