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Packages

lxml - Pythonic binding for the C libraries libxml2 and libxslt.
boto - Python interface to Amazon Web Services
Django - Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
Fabric - Library and command-line tool for streamlining the use of SSH for application deployment or systems administration task.
PyMongo - Tools for working with MongoDB, and is the recommended way to work with MongoDB from Python.
Celery - Task queue to distribute work across threads or machines.
pytz - pytz brings the Olson tz database into Python. This library allows accurate and cross platform timezone calculations using Python 2.4 or higher.

jQuery - The de-facto library for the modern age. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers.
Backbone - Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface.
AngularJS - Conventions based MVC framework for HTML5 apps.
Underscore - Underscore is a utility-belt library for JavaScript that provides a lot of the functional programming support that you would expect in Prototype.js (or Ruby), but without extending any of the built-in JavaScript objects.
lawnchair - Key/value store adapter for indexdb, localStorage

	通过命令行安装 Dropbox
	Dropbox 守护程序可在所有 32 位与 64 位 Linux 服务器上正常运行。若要安装，请在 Linux 终端运行下列命令。

	32-bit:

	cd ~ && wget -O - "https://www.dropbox.com/download?plat=lnx.x86" \| tar xzf -
	64-bit:

	cd ~ && wget -O - "https://www.dropbox.com/download?plat=lnx.x86_64" \| tar xzf -
	接着，从新建的 .dropbox-dist 文件夹运行 Dropbox 守护程序。

	Installing git on CentOS 5 using yum
	Since you're using CentOS 5, the default package manager is yum, not apt-get. To install a program using it, you'd normally use the following command:

	$ sudo yum install <packagename>
	However, when trying to install git this way, you'll encounter the following error on CentOS 5:

	$ sudo yum install git
	Setting up Install Process
	Parsing package install arguments
	No package git available.

	在centos 6.2,python2.7 下安装QT 4.8.3,pyqt 4.9.5 详细步骤
	作者:轻舞肥羊日期:2012-11-22
	字体大小: 小中大

	在linux 下开发桌面应用，最常见的开发工具就是QT，而python是开源世界的轻骑兵，学习简单，开发高效，因此有了 pyqt 这个包用 python 来做 QT 开发。下面详细介绍其步骤。
	一、基础环境配置
	二、在centos 下编译，安装QT-4.8.3
	三、安装pyqt
	四、测试

	You can't just fire up python and check things, django doesn't know what project you want to work on. You have to do one of these things:

	Use python manage.py shell
	Use django-admin.py shell --settings=mysite.settings (or whatever settings module you use)
	Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
	Use setup_environ in the python interpreter:

	from django.core.management import setup_environ

	from mysite import settings

	利用rsync自动同步服务器与本地代码的python脚本
	四 07 二月 2013
	tags: Python
	菜鸟表示写web时每次修改完后把文件往VPS上丢很麻烦
	用ssh sshfs scp都太慢小东西又懒得用git
	sublimetext上得sftp不支持中文 emacs干脆就只能ssh

	于是用linux自带的rsync写了个同步脚本
	可以手动或自动往服务器上差异性同步不用scp一堆东西也不用忍受ssh那个渣速度

	location /static/ {
	autoindex on;
	alias /home/user/www/oil/oil_database/static_files/;
	}

	2. 在/etc/security/limits.conf文件中设置最大打开文件数，下面是一行提示：
	#
	添加如下这行。
	* - nofile 8192
	这行设置了每个用户的默认打开文件数为2048。注意"nofile"项有两个可能的限制措施。就是项下的hard和soft。要使修改过得最大打开文件数生效，必须对这两种限制进行设定。如果使用"-"字符设定, 则hard和soft设定会同时被设定。
	硬限制表明soft限制中所能设定的最大值。 soft限制指的是当前系统生效的设置值。 hard限制值可以被普通用户降低。但是不能增加。 soft限制不能设置的比hard限制更高。只有root用户才能够增加hard限制值。
	当增加文件限制描述，可以简单的把当前值双倍。例子如下，如果你要提高默认值1024，最好提高到2048，如果还要继续增加，就需要设置成4096。
	另外一种情况是在创建索引的时候，也有两种可能，一种是合并因子太小，导致创建文件数量超过操作系统限制，这时可以修改合并因子，也可以修改操作系统的打开文件数限制；另外一种是合并因子受虚拟机内存的限制，无法调整到更大，而需要索引的doc 数量又非常的大，这个时候就只能通过修改操作系统的打开文件数限制来解决了。
	在此基础上，我还修改了以下一个配置文件