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sudo apt-get install python-software-properties -y | |
# 기존 jdk 모두 삭제 | |
sudo apt-get purge openjdk* | |
sudo add-apt-repository ppa:webupd8team/java | |
sudo apt-get update | |
# java7 install | |
sudo apt-get install oracle-java7-installer -y |
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# rvm install | |
curl -L https://get.rvm.io | bash -s stable | |
source ~/.rvm/scripts/rvm | |
rvm install 2.0 | |
rvm --default use 2.0 | |
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// Use Gists to store code you would like to remember later on | |
console.log(window); // log the "window" object to the console |
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public static String md5(String s) | |
{ | |
try | |
{ | |
// Create MD5 Hash | |
MessageDigest digest = MessageDigest.getInstance("MD5"); | |
digest.update(s.getBytes(Charset.forName("UTF-8"))); | |
byte messageDigest[] = digest.digest(); | |
// Create Hex String |
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# http://ubuntuguide.org/wiki/WebDAV | |
# install apache | |
sudo apt-get install apache2 | |
# ufw | |
# sudo ufw allow 80/tcp | |
# enable apache dav module |
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require 'csv' | |
require 'json' | |
file_name = ARGV[0] | |
unless file_name.nil? | |
File.open(file_name) {|f| puts CSV.parse(f.read).to_json } | |
end |
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require 'csv' | |
require 'json' | |
require 'open-uri' | |
if ARGV[0].nil? | |
raise "wrong number of arguments (0 for 1..2)" | |
end | |
file = open(ARGV[0]) |
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(2 to 9).map(i => (1 to 9).map(j => i + "*" + j + "=" + (i * j))) |
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