marshluca

# ruby

def compute(current,remain)
  result = 0
  if remain == 0
    result = current == 'a' ? 1 : 0
  else
    for n in ['a','b','c','d']      
      result += compute(n,remain-1) if n != current
    end

marshluca

// display the alert view
- (void)createProgressionAlertWithTitle:(NSString *)title message:(NSString *)message andIsActivity:(BOOL)isActivity
{
	UIAlertView *progressAlert = [[UIAlertView alloc] initWithTitle:title message:message delegate:self cancelButtonTitle:nil otherButtonTitles:nil];
	
	// Create the progress bar and add it to the alert
	if (isActivity) 
	{
		UIActivityIndicatorView *activityView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
		activityView.frame = CGRectMake(139.0f-18.0f, 60.0f, 37.0f, 37.0f);

marshluca

#import <UIKit/UIKit.h>


@interface PageView : UIView {
	UIImageView *imageView;
	UITextView *textView;
}

@property (nonatomic, retain) UIImageView *imageView;
@property (nonatomic, retain) UITextView *textView;

marshluca

Loading development environment (Rails 2.3.8)
>> Rails.env
=> "development"

>> RAILS_ENV
=> "development"

>> RUBY_VERSION
=> "1.8.7"

marshluca

require 'rubygems'
require 'json'
require 'hpricot'
require 'open-uri'

def google_search(service,query,page,options=nil)
  url = "http://ajax.googleapis.com/ajax/services/search/#{service}?v=1.0&q=#{query}&start=#{page}0"
  url += options.to_s  
  url += "&key=ABQIAAAAvJK0-O6R9IuRS5y6YePa_BQ7FXN5Ck7MXp2rPPrMwF-0TtPdBhSCDq3eiNkPUQlaeTXgVbm7vRuvyw"  
  

marshluca

>> sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa 
>> sudo aptitude update
>> sudo aptitude install xulrunner-1.9.1-dev


http://www.ubuntuupdates.org/packages/show/159108

/etc/apt/sources.list:
deb http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ lucid main universe
deb-src http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ lucid main universe

marshluca

#!/bin/sh
#
# init.d script with LSB support.
#
# Copyright (c) 2007 Javier Fernandez-Sanguino <jfs@debian.org>
#
# This is free software; you may redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2,
# or (at your option) any later version.

marshluca

# ruby developer packages
sudo apt-get install ruby1.8 ri1.8 rdoc1.8 irb1.8
sudo apt-get install libreadline-ruby1.8 libruby1.8 libopenssl-ruby

# hpricot requirements
sudo apt-get install ruby1.8-dev
sudo gem install hpricot


# nokogiri requirements

marshluca

MySQL Log 的配置

MySQL内置4种Log：
Error Log, General Query Log, Binary Log, Slow Query Log

1. Error Log
错误日志， 记录MySQL启动、运行、停止过程中出现的错误信息

2. General Query Log
记录MySQL客户端连接、查询的细节， 调试的时候很有用， 正式运行的时候最好关闭否则会带来大量磁盘IO

marshluca

更换mysql的数据库目录，需要将原来的db数据copy到目标目录，然后做如下更改：

/etc/mysql/my.cnf

# * Basic Settings
#

#
# * IMPORTANT
#   If you make changes to these settings and your system uses apparmor, you may