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PyPy performance post is very misleading. PyPy only has better printf performance than C in the particular case where you print the same expression twice. Specifically, their JIT figures out that it can decode the value only once instead of twice, which C cannot do because libc's printf is all …
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前几天的chromecast签名绕过破解)
Is it really ChromeOS?
No, it’s not. We had a lot of internal discussion on this, and have concluded that it’s more Android than ChromeOS. To be specific, it’s actually a modified Google TV release, but …
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最近很火的一个问题就是暴破TLS/SSL的 BREACH 攻击。我觉得有一些解决办法：
hack一种兼容gzip，但是能对内容进行adaptive compression的技术。比如 …
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NSA笑而不语啊
看到XKS 真心吓尿了！PRISM什么的比起来弱爆了。
这一系列事件，最让人感到恐怖的，不是gov的强大能力，而是Snowden这 …
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《MTK首推三卡三待》
http://news.mydrivers.com/1/270/270542.htm
国际厂商LG率先采用了该方案，并且搭载三卡三待方案的LG Optimus L4II已经在巴西上市，真 …
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今天发现youtube 的视频cache服务器支持UDP 上的 QUIC SPDY了。
accept-ranges:bytes
alternate-protocol:80:quic
cache-control:private, max-age=24288
content-type:video/mp4
好玩的是youtube的URL有：
fallback_host:tc.v11.cache6.c.youtube.com
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世界上的代码就没有不是面条形状的。
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Android 4.3发布了。最好用的功能不是媒体报道的那些，而是可以对每个app进行单独的权限设置
今天在reddit上看到一个帖子，解 …
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目前我觉得的问题：
You may not publicly distribute or ship your Google Cast application without written permission from Google, per the terms of service described below
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开挂的老外
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好吧，看了这么久acfun居然学到了姿势
这是一个心理学和认知学的实验。Sally-Anne test
Sally和Anne在同一个房间
Sally有一个盒子
Anne有一个 …
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this pdf
http://events.ccc.de/congress/2010/Fahrplan/attachments/1781_27c3-android-geolocation.pdf
注意看截图：
20801，其中MCC=208，MNC=01
LAC=0403
CID=61E00
有这个信息之后，我们打开国产CID定位工具：
http://www.minigps …
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想去瞅瞅看看 李笑来 的 bitcoin 讲座，结果发现尼玛1200大洋收费的。屌丝就默默逆了。但是看到他其他讲座，有个叫《以理服己》，于是 …
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微博上一群人 村刚通网把 tangle 这个坟挖出来了
神作13:20秒！
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YY一下下一代RSS应该提供怎么样的技术：
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http://www.douban.com/note/284760511/
三鲜
主页 广播 相册 喜欢 活动 发豆邮
去年我开始有抬头纹
2013-06-27 01:11:37
今天发现，百度地图的研发们都玩起新 …
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First you need to install Homebrew
Then you need to install GCC from XCode "command line tools"
$ brew install gfortran umfpack swig
$ sudo pip install numpy Cheetah lxml scipy matplotlib
$ brew tap ksnieck/homebrew-gnuradio
$ cd /usr/local/Library/Taps/
$ mv ksnieck-gnuradio/ titanous/homebrew-gnuradio
$ brew install gnuradio
$ brew install rtlsdr gr-osmosdr …Posted
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@老赵
打了招行和支付宝两边的客服，确认了：招行这边扣款已经发生，支付宝交易也已经提交，但是因为从昨晚开始招行这 …
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【银行大闹钱荒 宏观信号拒绝“放水” 】没见过隔夜上30%的交易员，人生是不圆满的。6月20日，疯狂的一天，足以载入中国银行间 …
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A musical surprise!
Antonin Dvorak - String Quartet no. 12 in F major "American": IV. Finale: Vivace ma non troppo
麻痹的接电话的，非得在那个时候接么！！！！
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法国高考叫 Le Baccalauréat，简称 le bac 。按照分科，三道题目任选一道。
2012年
文科
1、人们在工作中到底获得了什么？
2、是否所有的信仰都 …
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这么多2b的错误，到处都是！真心怀疑是应届实习生做的啊！！！！
记得上一篇blog：
Another reason for the quality gap is that that we've been having trouble keeping …
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以后激光打蚊子就靠这玩意了！
在用MIMO+WDS可以实现家用AESA相控阵了 ！
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Arya的感受！！！！！！
有剧透！！！！
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贪便宜去淘宝买了个10元的USB蓝牙适配器
一查：Cambridge Silicon Radio Ltd
USB\VID_0A12&PID_0001&REV_1989
结果linux内核屏蔽了这个设备。
http://lxr.free-electrons.com/source/drivers/bluetooth …
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Windows下一些程序打包进了JRE
一些没有。
对于没有的，可以共享嘛。导入下边的注册表
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Runtime Environment\1.6]
"JavaHome …Posted
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That's what happens when you put together a bunch of Indian PM and Indian coders
trace:CustomError
at new Wza (https://plus.google.com/_/scs/apps-static/_/js/k=oz.home.en.MM2nmUD9sr4.O/m=b,s/am=AAHhGADElx2FYAJBBsgAAIAxAB-ggWQIklGAYP7_-397BHABAAAC/rt=h/d=1/rs=AItRSTN8InaGcWBwBsF5rTap5RX6vnBjtw:607:24)
at Lv.q …Posted
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To install
$ pip install zfec
Suppose I have two blocks of data and want a third block as redundancy
>>> zfec.Encoder(2, 3).encode(['ab', 'cd'])
['ab', 'cd', 'en']
>>> zfec.Decoder(2, 3).decode(['ab', 'cd', ], [0, 1])
['ab', 'cd']
# somehow lost the second block, use the third block the …Posted
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Suppose you have the following model:
class MyModel(models.Model):
def get_absolute_url(self, *args, **kwargs):
return '/show/%s' % self.pk
The "View on site" button on admin will always take you to example.com, which is bullshit.
Even if you override it with ABSOLUTE_URL_OVERRIDES in settings …
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下边的问题是在CPython interactive shell 里按顺序执行的，请在 下划线处 ____ 填上答案。
>>> x = [1, 2, 3]
>>> for number in x:
... number += 1
...
>>> print x
__________________
>>> print 1 == True
__________________
>>> print 0 == False
__________________
>>> print 2 == True
__________________
>>> item = 'x' …Posted
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最近HN上有个关于Linux 3.1内核tickless新特性的讨论，然后一位微软员工，自称来自NT内核组，发个帖子抱怨微软：
See, component owners are generally openly …
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看到这个demo：n-Body Choreographies v. 0.9
js写的太看了。赞一个。
其中很多模型我觉得比较好理解啊：
比如：
D(10,8/3) 这个可以看成两个质心 …
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Steiner tree problem
好酷！的解法！中间的点叫做 费马点
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简单的例子，来自官网
python的查询代码：
select(c for c in Customer
if sum(c.orders.price) > 1000)
通过PonyORM翻译成SQL：
SELECT "c"."id"
FROM "Customer" "c"
LEFT JOIN "Order" "order-1"
ON "c"."id" = "order-1"."customer"
GROUP …Posted
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码农的定义就不用说了。
码畜的定义：
> If you answer to managers and build CRUD apps to support their careers rather than your own, then you're not a professional.
如果你的职业生涯就是给你的 …
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话说E.164这个标准还是挺重要的。电话国家区号。比如中国是 +86
好吧。我们去看下官网：
http://www.itu.int/itudoc/itu-t/ob-lists/icc/e164_763.html
卧槽，哪里 …
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SPY居然冒了一句excellent。。。视频叫 suprise buttseks。。。
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ipaddr=118.123.8.95
port=8000
ipaddr_auxiliary=125.64.16.139
port_auxiliary=8000
分析协议是件蛋痛的事情。
国产软件是多么不靠谱。。。。自带一个MapInfo MapX的地图组件，搞得 …
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今天地震，然后家里就断网了，就无聊听电台。然后就听了下350MHz - 370MHz。一开始以为是跳频，后来发现是多频道时断时续而已。一些 …
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发信人: draculalord ( 嗯？), 信区: Python
标 题: 也谈链表及其他Re: python标准库貌似没有实现链表？
发信站: 水木社区 (Mon Mar 21 18:49:46 2011), 转信
实际上刚 …
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The more "news factoids" you digest, the less of the big picture you will understand. If more information leads to higher economic success, we'd expect journalists to be at the top of the pyramid. That's not the case.
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发信人: Nineteen (..), 信区: Database
标 题: Re: cassandra集群的去中心拓扑真是帅啊
发信站: 水木社区 (Sat Mar 9 10:03:09 2013), 站内
就像@immars提到的，开源项目们 …
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reddit上看到的
ppt在这里
做点笔记：
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国内把切糕的英语翻译说成 Xinjiang glutinous rice cake, nut cake，不如这个1915年照片名字起的好：Cake Of Millet & Jujubes。感觉盆糕和切糕差不多？
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Chrome里打开：
chrome://settings/contentExceptions#cookies
Chrome的通配符语法真是 奇葩！
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除非P=NP
Economics is interesting because it is fundamentally the attempt to solve not just lots of problems, but a single GIGANTIC problem: the "resource scarcity" problem.
Basically, we are trying to split up all the resources in such a way as to maximize the overall utility of …
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