Keedi Kim keedi

숨겨진 text

perl code를 실행할 수 있다면 소스코드를 볼 수도 있습니다. 하지만 몇 줄 안되는 코드로 자신의 코드를 숨길 수도 있습니다.

어떻게?

Sass/Less Comparison

In this document I am using Sass's SCSS syntax. You can choose to use the indented syntax in sass, if you prefer it, it has no functional differences from the SCSS syntax.

For Less, I'm using the JavaScript version because this is what they suggest on the website. The ruby version may be different.

Variables

Howto Enable and Use A2DP Sink on Ubuntu Linux with Bluez

Add Enable=Source to /etc/bluetooth/audio.conf right after [General].
Find address in form XX:XX:XX:XX:XX:XX of phone with hcitool scan.
Pair and trust smartphone with sudo bluez-simple-agent hci0 XX:XX:XX:XX:XX:XX and sudo bluez-test-device trusted XX:XX:XX:XX:XX:XX yes.
Create loopback in pulseaudio connection bluetooth a2dp source with alsa sink:

How to embed HATEOAS/Link inside JSON

HTTP Headers

For HTTP headers it's quite straightforward: draft-nottingham-http-link-header defines this.

Link: <http://example.com/>; rel="previous"; titile="Previous chapter"

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name:

	<!DOCTYPE html>
	<!-- mostly borrowed from Mojo -->
	<html>
	<head>
	<title>WebSocket</title>
	</head>
	<body>
	Testing WebSockets, please make sure you have JavaScript enabled.

	#!/usr/bin/perl
	#===============================================================================
	#
	# FILE: intime.pl
	#
	# USAGE: ./intime.pl
	#
	# DESCRIPTION:
	#
	# OPTIONS: ---

	use strict;
	use Tie::IxHash;
	use JSON::PP;

	# magic start

	my $obj_parser_sub = \&JSON::PP::object;
	*JSON::PP::object = sub {
	tie my %obj, 'Tie::IxHash';
	$obj_parser_sub->(\%obj);

	<!DOCTYPE html>
	<html>
	<head>
	<title>Upload your files</title>
	</head>
	<body>
	<form enctype="multipart/form-data" action="upload.php" method="POST">
	<p>Upload your file</p>
	<input type="file" name="uploaded_file"></input><br />
	<input type="submit" value="Upload"></input>

	PERLBREW_PERL="perl-5.14.2"
	10 0 * * * envi PATH="$HOME/perl5/perlbrew/perls/$PERLBREW_PERL/bin:$PATH" /usr/bin/env perl /some/script_path