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@Xjs
Xjs / recursive_dictionary.py
Created May 20, 2009 14:00
a recursive updating dictionary in Python
# recursive_dictionary.py
# Created 2009-05-20 by Jannis Andrija Schnitzer.
#
# Copyright (c) 2009 Jannis Andrija Schnitzer
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
@jboner
jboner / latency.txt
Last active July 4, 2024 04:27
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@dergachev
dergachev / GIF-Screencast-OSX.md
Last active June 5, 2024 22:16
OS X Screencast to animated GIF

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Screencapture GIF

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

参考了以下两篇文献: http://blog.ch3n2k.com/2013/09/openwrt.html http://www.right.com.cn/forum/thread-128967-1-1.html

tomato路由器上已经成功部署,并且一直很稳定,openwrt的部署步骤是我按照上面的两篇文献以及tomato上的部署经验写的,但我没有真正搭建过。下面是详细的解决方案:

#一、tomato路由器 1、设置好jffs和ipkg安装环境;把附件中的geoip压缩包的内容放入/opt/etc/geoip(或者/jffs/opt/etc/geoip)目录下。

2、在系统管理——脚本设置——wan连线中输入以下内容:

@snakevil
snakevil / howto-setup-transparent-proxied-router.md
Last active April 1, 2024 01:28
如何在路由器中实现透明代理?

如何在路由器中实现透明代理?

0 互联网现状

目前整个互联网环境,被破坏最严重地部分,是 Web 服务体验。当直接破坏难以实现时,就会从流程链的上下游着手,如:DNS 污染。

其它地互联网服务类型,例如:邮件,可能小部分会受到 Web 服务上下游破坏地余震,但整体上基本不受影响。

@janlay
janlay / README.md
Last active May 11, 2024 03:22
Yet another config for Surge.app

Install

  1. Modify index.txt with your output path and proxy info
  2. Use Text Builder to build configuration for Surge: $ text-builder -index /path/to/index.txt Or run $ sh build-all to build all your index files.
  3. Import configuration via AirDrop/iTunes/Dropbox/iCloud

本人不提供任何保证和技术支持,使用者自负风险。
There are no guarantees, no any support. Use it at your own risk.

@alexellis
alexellis / k8s-pi.md
Last active April 11, 2024 14:17
K8s on Raspbian
@naoyeye
naoyeye / show-douban-id-and-gender.js
Last active December 25, 2023 20:50
显示豆瓣用户id和性别
// ==UserScript==
// @name Douban-Profile-Plus
// @namespace http://tampermonkey.net/
// @version 0.2
// @description 显示豆瓣用户id|性别
// @author J.Y Han
// @match https://www.douban.com/people/*
// ==/UserScript==
/* globals $ */