内容简介：I wrote a command line script calledThe correspondingIn case I really need to visit one of these sites, I use the following
noprocrast
I wrote a command line script called noprocrast
. This script updates /etc/hosts
to make distracting websites unreachable from my machine:
sudo cp /etc/noprocrast_hosts /etc/hosts
The corresponding /etc/noprocrast_hosts
:
127.0.0.1 localhost db001 db002 db003 db004 web030 web048 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost 127.0.0.1 news.ycombinator.com 127.0.0.1 reddit.com www.reddit.com 127.0.0.1 twitter.com 127.0.0.1 nytimes.com www.nytimes.com
In case I really need to visit one of these sites, I use the following procrast
script:
sudo cp /etc/procrast_hosts /etc/hosts echo `date` >> ~/.procrasts
Then if I want to see how I have been doing with procrastination, I tail ~/.procrasts
.
The /etc/procrast_hosts
file is just:
127.0.0.1 localhost db001 db002 db003 db004 web030 web048 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost
If you haven’t tried an /etc/hosts
hack like this, I suggest giving it a try. You may be surprised by how much time you save.
Also see
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C程序设计的抽象思维
Eric S.Roberts / 闪四清 / 机械工业出版社 / 2012-5 / 99.00元
Eric S. Roberts所著的《C程序设计的抽象思维》是一本关于C语言的经典图书。本书共计17章，分为4部分，第一部分概述计算机导论课程中涉及的基本编程概念；第二部分讨论递归算法，其中结合大量示例，有助于读者轻松理解和掌握晦涩的概念；第三部分不仅介绍了用非递归算法实现的抽象数据类型，还提供了一些工具，有助于读者理解数据抽象的概念；第四部分重点介绍采用递归算法实现的抽象数据类型。本书重点突出，......一起来看看 《C程序设计的抽象思维》 这本书的介绍吧!
