- Mac OS X 10.7.4
- デフォルトのruby1.8.7が入っている
- rails 3.0.8を入れてある
- rvmでのインストールを試みたが、はまったので、あきらめた
http://www.oiax.jp/rails/zakkan/rails_3_1_installation_on_macosx.html
ruby -r open-uri -e 'open("http://b.hatena.ne.jp/hotentry") {|f| puts f.read.scan(/entry-link.+?>(.+?)</)}' | sed -e "s/続きを読む//g" |
ruby -r open-uri -e 'open("http://uni.2ch.net/newsplus/") {|f| puts f.read.scan(/<a.+?>\d+?:\s(.+?)</)}' | nkf -w |
# directory name | |
ls -laF | ruby -e '$stdin.read.scan(%r![\S]+/!) {|m| puts m}' | |
# or | |
ls -laF | ruby -ne 'puts $_.split("\s")[8]' |
#include <stdio.h> | |
int main(void) | |
{ | |
int x = 1; | |
int *p = &x; | |
printf("%d\n", x); | |
printf("%p\n", &x); | |
printf("%d\n", *&x); |
# -*- coding: utf-8 -*- | |
require 'open-uri' | |
require 'json' | |
query = "猫 instagr.am" | |
url = URI.escape("http://search.twitter.com/search.json?q=#{query}&include_entities=true") | |
res = open(url).read | |
json = JSON.parse(res) |
# 前提 | |
# Ruby 1.9.2 |
http://www.oiax.jp/rails/zakkan/rails_3_1_installation_on_macosx.html
#perl基礎文法練習(途中) | |
use strict; | |
use warnings; | |
#スカラー | |
my $number1 = 3; | |
my $number2 = 4; | |
my $result = $number1 + $number2; | |
print $result . "\n"; |
# -*- coding: utf-8 -*- | |
#バージョンは、Python 2.7.1 | |
# スカラー | |
number1 = 3 | |
number2 = 4 | |
result = number1 + number2 | |
print result | |
# 配列 |
<html lang="ja"> | |
<head> | |
<script src="http://connect.facebook.net/ja_JP/all.js"></script> | |
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> | |
</head> | |
<body> | |
<div id="start_section"></div> | |
<div id="friend_section"></div> | |
<div id="fb-root"></div> | |
<script type="text/javascript"> |