• Airtable.com
• Binux.github.io/yaaw/demo/
• Cs.chromium.org
• Dearti.me
• E-hentai.org
• Fastmail.fm
• Git.orzfly.com
• Hub.docker.com/r/gitlab/gitlab-ce/tags/
• Ip.cn
• Jd.com
• Kuaidi100.com
• Lab.hackplan.com
• My.zerotier.com
• Namesilo.com
• Orzfly.com
• Pan.baidu.com
• Qcloud.com
• Rm.66rpg.com
• Strongpasswordgenerator.com
• Taobao.com
• U2.dmhy.org
• V2ex.com
• Weibo.com
• Xiaomi.com
• Yanfly.moe
• Zerotier.com

• Aria2c.net
• Bilibili.tv
• Chrome-extension://laookkfknpbbblfpciffpaejjkokdgca/dashboard.html (Chrome 的 Momentum 新标签页插件)
• Douyutv.com/cave
• Evolution.voxeo.com
• Fastmail.fm
• Git.orzfly.com
• Haibara.*******.***
• Ip.cn
• Jjxke1.ujs.edu.cn
• Kuaidi100.com
• Lixian.xunlei.com
• Msdn.itellyou.cn
• Newrelic.com
• Orzfly.com
• Pan.baidu.com
• Qingcloud.com
• Rm.66rpg.com
• Share.dmhy.org
• Taobao.com
• Urpgs.com
• V2ex.com
• Weibo.com
• Xiaomi.com
• Youtube.com
• Zhuce.com

也许你会想到 BitTorrent 的种子，因为这是带有文件分块的校验码。也许你会说不是有些客户端支持 Web Peer 嘛，但是好像这些都挺麻烦的。这时候就有请 aria2c：

• 支持 BitTorrent，HTTP/HTTPS/FTP/SFTP；
• 可以通过 BitTorrent 协议之外的方式下载种子里的文件；
• 断点续传、多线程。

所以，首先在服务器上用 rhash 计算哈希创建种子文件，然后把种子传输到本地，打开 aria2c 就行。

--torrent-file 指示 aria2 使用种子文件提供的信息，-s10 -x10 -k1M 让其对每个文件用 10 个链接、每个服务器开 10 个链接、最小切块 1MiB，--check-integrity=true 指示其检查现有文件的完整性，--seed-time=0 禁止其下载完成后做种（毕竟只是传输自己的文件罢了）。

server$ rhash --torrent test.zip
server$ ls test.zip*
test.zip
test.zip.torrent

local$ wget https://example.com/test.zip.torrent
local$ ls test.zip*
test.zip
test.zip.torrent
local$ aria2c --torrent-file=test.zip.torrent -s10 -x10 -k1M --check-integrity=true --seed-time=0 https://example.com/test.zip

其实这个方法，是今天在搜索如何让 aria2 通过 HTTP 下载一个种子的时候突然看到的。当时碰到的页面是 Aria2c with and without using torrent files - Rescuing a failed download，如果你有兴趣，也建议你读一读。

如果你还不知道 aria2，不要再犹豫了，借此机会好好了解一下吧。虽然平常似乎见到最多的地方不是桌面而是路由器上……

顺带一提，aria2 0.19.0 中加入了对 SFTP 的基本支持。只是基本支持，但是也支持通过 SFTP 的多线程和断点续传了，虽然目前还只能用用户名和密码来认证。Homebrew 里的公式还没有更新，不过我是建议你马上就用这个 Homebrew 公式立刻换上崭新的 aria2 0.19.0。所以说刚刚也可以不用 HTTPS 而是利用 SFTP 来更加安全地从服务器上传输文件回来，毕竟 SSH 服务器哪儿都有，HTTP(S) 还得找支持断点续传和支持认证/加密的服务器……

其实用 rsync 也能做到这件事，不过印象中不支持多线程啊，所以我并不喜欢。如果你有需要，可以读一读这篇文章：Force rsync to use delta transfer to fix corrupt remote file：

rsync -Pa --checksum --inplace --no-whole-file local.file remote.server:

• January
• Translated Minecraft-related news actively at the Minecraft Chinese Forum.
• Finished my first term at Jiangsu University.
• End of my first followed season of Japanese animes.
• Started contributions to the Alfred-inspired Windows application, Wox, built with C# and WPF.
• February
• Spent days and nights on Project MuduHS 2014, the video cheering for students of my high school whilst this is my first time to play with Adobe After Effects, Adobe Premiere Pro, FL Studio, Melodyne, Minecraft, CINEMA 4D and Mineways.
• Discovered a logical bug on RenderBus, a cloud render farm for C4D, and registered a Wooyun account.
• Brought my old Dell Inspiron 1420 to school with RAM upgraded to 3 GiB later.
• Started to learn Node.js from the scaffold of Drywall.
• March
• Installed OpenWRT on Buffalo WZR-HP-G450H and configured automagically firewall bypassing.
• Stayed in hospital for a week. During this time I contributed to Wox frequently.
• April
• Built the robust backend for Sanddudu's project NextDay-Desktop
• Played with Xposed Framework on Android and wrote a Xposed module named FakeMyDevice (never published).
• Joined HackPlan again.
• Started working on bounties offered by Ripple Labs. Reminded by Soniji.
• May
• Bought MacBook Air (13-inch/Mid 2013/i5 1.4GHz/8GiB/128GB) which was my first Apple hardware. I was deeply impressed by the design and OS X Mavericks.
• Received the first ticket of TOS violation from Linode due to insecure firewall configuration.
• Became a reseller of ResellerClub.
• Wrote Pingful(with Server and Web), a simple app utilising Gulp and Socket.io. Also redesigned the parking page.
• June
• Bought a modded Mercury MW151RM with OpenWRT installed to repeat the Wi-Fi hotspot provided by CMCC durning night hours in dormitories.
• Wrote my first cross-platform native program as school homework, minipos.
• Started working on the internal fork of Atom-Shell used by Pomotodo for Windows Desktop.
• July
• Started working on bounties on Bountysource.
• Built the PrimCraft Wiki based on MediaWiki.
• Leart to use n2n to create virtual networks between VPSs.
• August
• Bought a Crucial M500 480GB SSD for my portable workstation.
• Started running a webpage spider using pyspider.
• Built the activity page for BGMAD 2014 with Lynn° and c4605.
• Rented a dedicated server in Canada and started running my own Jenkins.
• Played the galgame School Days with CrossOver on OS X.
• Applied for a passport.
• Migrated my blog from WordPress to Ghost whilst I stayed in a McDonalds's all night long with Linghein.
• Met with Pomotodo team members in Nanjing.
• Had a “meaningless” meeting with IamI, forgot to give a bear hug.
• September
• Signed my first NDA and W-8BEN form.
• Passed StartSSL Class 2 Verification.
• Released Pomotodo for Windows Desktop.
• Compiled Chromium for the first time.
• October
• Rode from Zhenjiang to Shanghai on the G312 highway.
• Visited Shanghai Postal Museum and had a cup of coffee in Starbucks with Polaris Mi, Chi Rui, Jiang Ximeng.
• Tasted the best minced pork congee with preserved eggs in Shanghai.
• Met the worst "donburi congee" in my life.
• University started to cut down the Wi-Fi hotspot provided by CMCC during the night hours.
• Set foot on USA soil (embassy) and was refused getting USA visa under INA 214(b).
• Impressed by the Time Machine but completely depressed by OS X Yosemite.
• Replaced Samsung I9082 with Redmi 1S.
• Wrote a network monitor running on the Loongson laptop.
• Started to move Linux CI workers into OpenVZ containers on DigitalOcean.
• November
• Got my first VISA card (although it's a supplementary card).
• Won the 1111 prize from HackPlan.
• Attended China's largest & first college hackathon, HackShanghai 2014, at NYU Shanghai with Chino Chang, Cx Wang. Designed Hangry to help people order their take-outs in no time.
• Failed to apply for a USA visa again.
• Designed a stamp with my avatar.
• Learnt to use GnuPG with Angurise.
• December
• My first time using Windows To Go. Bought a license for Sandboxie with friends. Wrote QQCamera to use the world-famous screenshotting function in QQ.
• Rebuilt my blog with Jekyll.
• Started using the new avatar designed by Lynn° with my favorite T-shirt from GitCafe.
• Hot soup was spilled on the keyboard of my MacBook Air. It died and revived. The only problem is that the power button turned into a killer button.
• Started Project Ainou with oott123.

规则就不再重复了，也不点名了，自己玩玩就好。

1. If someone says, “Is this okay?” You say: 与你最后的夏天 - 西国の海妖

2. How would you describe yourself? 心の旋律 - 白浜坂高校合唱部 (TARI TARI ミュージックアルバム 〜歌ったり、奏でたり〜)

3. What do you like in a guy/girl? GATE OF STEINER - 阿保剛 (STEINS;GATE Symphonic Material)

4. How do you feel today? Shine Days - Girls Dead Monster (Little Braver)

5. What is your life’s purpose? 立body機motion - 澤野弘之 (進撃の巨人 Original Soundtrack 1)

6. What is your motto? 光る轍 - 吉野裕司 (狼と香辛料 O.S.T 狼と旅の音楽)

7. What do your friends think of you? BRYNHILDR IN THE DARKNESS -Ver.EJECTED- - 鴇沢直 (極黒のブリュンヒルデ オリジナル・サウンドトラック)

8. What do you think of your parents? 妄想髪長少女、再び - 田中公平 (冰菓 Original Sound Track)

9. What do you think about very often? Sing All Overtures - キリト(CV.松岡禎丞)、アスナ(CV.戸松 遥)、リーファ(CV.竹達彩奈)、ユイ(CV.伊藤かな恵)、シリカ(CV.日高里菜)、リズベット(CV.高垣彩陽) (Sword Art Online 特典 CD)

10. What do you think of your best friend? ウタウタウ　-miku ver.- - トラボルタP (TORABOTIC WORLD2)

11. What do you think of the person you like? Love Changes Everything - Michael Ball (Best Of Voices)

12. What is your Life Story? ☆Lovely Super Idol☆ - シリカ(CV.日高里菜) (Sword Art Online 特典 CD)

13. What do you want to be when you grow up? Alchemy - Girls Dead Monster (Crow Song)

14. What is your hobby/interest? My Next Move - Dreamtale (World Changed Forever)

15. What is your biggest fear? 田舎小径 - 戸越まごめ (CLANNAD -クラナド- ORIGINAL SOUND TRACK)

16. What is your biggest secret? Dreams of the Dead - Two Steps From Hell (Legend)

17. What do you think of when you see the person you like? 最強を示す者 - 井内舞子 (とある科学の超電磁砲S ORIGINAL SOUND TRACK 2)

18. What will you dance to at your wedding? to the beginning - Kalafina (THE BEST “Blue”)

19. What will they play at your funeral? 男子高校生と文化祭 - Audio Highs (男子高校生の日常 Original Soundtrack)

20. What do you think of your friends? Desire Blue sky - Clean Tears (Science Adventure Dance Remix 'CHAOS;HEAD' 'STEINS;GATE')

• Alipay.com
• Bilibili.tv
• Cnlogin.resellerclub.com/servlet/ResellerIndexServlet
• Dns.miv.im
• Ele.me
• Files.miv.im
• Git.miv.im
• Humblebundle.com/weekly
• Ip.cn
• Jjxke1.ujs.edu.cn
• Kuaidi100.com
• Linode.com
• Mail.google.com/mail/u/0/
• Nyaa.cat
• Orzfly.com
• Plus.google.com
• Qiniu.com
• Ripplecharts.com
• Steamcommunity.com/id/orzFly/
• Twitter.com
• Urpgs.com
• V2ex.com
• Wiki.primcraft.com
• Xuxian.****.**
• Youtube.com
• Z.cn

不知不觉，又变化了好多。

You're live! Nice. We've put together a little post to introduce you to the Ghost editor and get you started. You can manage your content by signing in to the admin area at <your blog URL>/ghost/. When you arrive, you can select this post from a list on the left and see a preview of it on the right. Click the little pencil icon at the top of the preview to edit this post and read the next section!

Getting Started

Ghost uses something called Markdown for writing. Essentially, it's a shorthand way to manage your post formatting as you write!

Writing in Markdown is really easy. In the left hand panel of Ghost, you simply write as you normally would. Where appropriate, you can use shortcuts to style your content. For example, a list:

• Item number one
• Item number two
  • A nested item
• A final item

or with numbers!

1. Remember to buy some milk
2. Drink the milk
3. Tweet that I remembered to buy the milk, and drank it

Links

Want to link to a source? No problem. If you paste in url, like http://ghost.org - it'll automatically be linked up. But if you want to customise your anchor text, you can do that too! Here's a link to the Ghost website. Neat.

What about Images?

Images work too! Already know the URL of the image you want to include in your article? Simply paste it in like this to make it show up:

Not sure which image you want to use yet? That's ok too. Leave yourself a descriptive placeholder and keep writing. Come back later and drag and drop the image in to upload:

![A bowl of bananas]

Quoting

Sometimes a link isn't enough, you want to quote someone on what they've said. It was probably very wisdomous. Is wisdomous a word? Find out in a future release when we introduce spellcheck! For now - it's definitely a word.

Wisdomous - it's definitely a word.

Working with Code

Got a streak of geek? We've got you covered there, too. You can write inline <code> blocks really easily with back ticks. Want to show off something more comprehensive? 4 spaces of indentation gets you there.

.awesome-thing {
    display: block;
    width: 100%;
}

Ready for a Break?

Throw 3 or more dashes down on any new line and you've got yourself a fancy new divider. Aw yeah.

Advanced Usage

There's one fantastic secret about Markdown. If you want, you can write plain old HTML and it'll still work! Very flexible.

That should be enough to get you started. Have fun - and let us know what you think :)

.awesome-thing {
    display: block;
    width: 100%;
}

脚本内容已放在后文，不过脚本中并没有直接设置。使用时，不仅应当引入脚本，还应该调用它的方法。

RGSSRuntime.smooth_mode

读取/设置 RGSS 的平滑模式选项。true 为开启，false 为关闭。在 RGSS 版本不支持的时候，会返回 nil，对其设置将不会产生任何效果。

RGSSRuntime.wait_for_vsync

读取/设置 RGSS 的抑制画面抖动（垂直同步）选项。true 为开启，false 为关闭。在 RGSS 版本不支持的时候，会返回 nil，对其设置将不会产生任何效果。

脚本正文

几乎从来没有想过以后要干什么，初中毕业之后我在逃避：“我不愿去幻想未来，原因恐怕是胆小。”高一的时候被问到以后想干什么，当时我又把这句话拿出来。再后来也几乎没有再考虑过这些问题，后来就已经高中毕业了。

就在那种什么也不知道也不在意的情况下高考结束了高中毕业了，从学校收拾完东西回家，其实早就已经没有东西要收拾了，然后随后终于按捺不住从租住的小屋逃离，回到老家，呆在苏州的六年就那么结束了。是的，对我来说这感受完全就是“逃离”。

尘归尘以及土归土。 再也不见以及再次相见。 抱歉的抱歉以及一切的一切。 黯淡无光的希望以及卑微凌乱的梦想。

作为木中的一个传统，每一年刚毕业了的同学都会给下一届高三在百日誓师的时候送上一段祝福。于是，这就是 2013 届的我们送给即将毕业的 2014 届。

事先说明，因为事先准备不充分和考虑不周，这次的歌曲远没有以前的好，每个人唱的调子都不一样，而且也真是为难了几个男生。不过，我想，即使歌唱的不好，我们的心情还是可以传达的。

在线观看

• Youtube
• 优酷

歌词

有时候回忆只是一个入口
水深15米 等候新陈更迭的等候
一本一本 传看天下伊周
而我忐忑
师主任会不会站在窗口

那时候梦想就是没有尽头
墨黑色水笔 构筑光明未来的结构
一笔一笔 文字们看着我
他们说大学会有更加美丽的邂逅

新同学最初是不说话呀微微笑
聊得来的是意合情投
一次次相遇 从初次相逢到长久的友谊
哪些人 值得你一直等候

原谅我没能高山流水天涯海角陪你们走
止不住愧疚 却还任性说出请属于我的要求
多少人相信青春不朽 就有多少人不停奋斗
都说友谊会历久弥深 友谊只三年怎么能够

你是我黑夜牵的手
是我疲惫休憩的肩头
是我四季擦身时 暖如春日的回眸
三年的缘分 有你在心头

那一天独自路过学校门口
任记忆悠悠 所有勾起回忆的所有
一处一处 我们曾经幸福
幸福是陪着你 单纯又青涩 往返食堂宿舍教学楼

三年后难免会说再见了挥挥手
挥不去的是别绪离愁
一次一回首 忍住眼泪走向下一个路口
哪些人 让祝福伴你去留

其实我害怕拥抱害怕结束害怕我会远走
坦率地承认 比起分别我更爱彼此一起奋斗
我知道弥足珍贵曾经拥有 我更要不离不弃天长地久
都说青春匆匆留不住 我用一生怀念不强求

涂鸦画满那白色校服
三号门小木屋状元楼
是我熟悉旋律里 灿若荧火的音符
将过往欢乐 一遍遍弹奏

原谅我没能高山流水天涯海角陪你们走
止不住愧疚 却还任性说出请属于我的要求
多少人相信青春不朽 就有多少人不停奋斗
你说这信念能有多久 一生够不够

其实我害怕拥抱害怕结束害怕我会远走
坦率地承认 比起分别我更爱彼此一起奋斗
我知道弥足珍贵曾经拥有 我更要不离不弃天长地久
都说青春匆匆留不住 我用一生怀念不强求

木中之声回荡教学楼
靠在栏杆暖阳的午后
是我青春岁月里 时过境迁的温柔

沿蒹葭回溯 在昊镜上游

工作人员

• 活动组织：郑敏荣
• 风景摄影：陆一尘
• 视频制作：陆一尘, liqunsz
• 主题曲 ~ 木中友谊之歌 ~
  • 原曲：ここにしか咲かない花
  • 作曲：小渕健太郎
  • 填词：盛嘉逸, 刘鹏铖, 张婷, 陆静涵, 严嘉悦
  • 演唱：李雨婷, 王海宇, 王昕尧, 冯丽, 张天成, 陶聪聪, 倪一舟
  • 混音：陆一尘
• 3DCG ~ MuduHS in Minecraft ~
  • 模型：陆一尘, 周嘉益, fux2, Soniji Lee, Owen K.
• 鸣谢
  • 许伟程, 糜予曦, 常昊, 王子亭, 姬文翔, Peter Xin, Windy Whiterock, LBQ, Shiromi Z., Seiran A., Go Misaki
  • URPGs.com, NewCGer.com, YouKaze.com
  • (null), ネコクンプロジェクト

资源下载

诸如音乐和 Minecraft 地图文件，将会在稍后提供下载。

事实上，木中的 Minecraft 地图距离完工还有很长的路要走，这也是为什么这次视频中动画的部分只出现在了末尾，短暂掠过，角度还很局限试图回避尚未建造完毕的地方。我们会继续努力完成它。

• Appinn.com
• Bangumi.tv
• Computingforgood.org/my-stats
• Digitalocean.com
• Evernote.com
• Freehao123.com
• Git.miv.im
• Hostker.com
• Icardyou.com
• Jd.com
• K.ripplecn.org
• Linode.com
• Mail.google.com/mail/u/0/
• Name.com/pricing
• Orzfly.com
• Pan.baidu.com
• Qingcloud.com
• Reader.miv.im
• Store.steampowered.com
• Taobao.com
• Urpgs.com
• V2ex.com
• Worldcommunitygrid.org/ms/viewMyMemberPage.do
• Xiami.com
• Youtube.com
• Z.btc123.com

后来他们客服给我了这么个说法：

您好，由于云服务器默认没有设置swap，所以不会自动加载，由于阿里云采用分布式存储，为了保证数据安全，一份数据实际写3份，无法达到传统磁盘io，所以不建议使用swap，避免对io性能造成影响~ 阿里云客户满意中心

所以事实上很简单，改一下注册表呗……

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows]
"RequireSignedAppInit_DLLs"=dword:00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Windows] 
"RequireSignedAppInit_DLLs"=dword:00000000

我跟你说改完之后连重启都不需要重开下程序就能用了……

为什么要在笔记本上用服务器系统这个问题不需要过多讨论，另外这方法是这里看来的。

Ruby 解释器提供了可用于追踪代码执行的事件钩子。用 set_trace_func(some_proc) 可以设置钩子，用 set_trace_func(nil) 卸载钩子。这个东西，有时候甚至远比基于单步和断点的调试器有用。

Ruby 会追踪这 8 种事件：

line

文件或行改变

class

模块或类定义开始

end

模块或类定义结束

call

Ruby 方法调用

return

Ruby 方法返回

c-call

C 方法调用

c-return

C 方法返回

raise

异常抛出

并不是所有事件都会被追踪，例如设置和读取变量（局部、全局、实例或者类变量）就不行。

set_trace_func proc { |event, file, line, id, binding, classname|
  STDERR.printf "%8s %s:%-2d %10s %8s\n", event, file, line, id, classname
}

@welcome  = "Hello"
separator = ", "
$object   = "world"
@@excl    = "!"
puts(@welcome + separator + $object + @@excl)

$ ./example-1.rb
    line ./example-1.rb:7                false
    line ./example-1.rb:8                false
    line ./example-1.rb:9                false
    line ./example-1.rb:10               false
    line ./example-1.rb:11               false
  c-call ./example-1.rb:11          +   String
c-return ./example-1.rb:11          +   String
  c-call ./example-1.rb:11          +   String
c-return ./example-1.rb:11          +   String
  c-call ./example-1.rb:11          +   String
c-return ./example-1.rb:11          +   String
  c-call ./example-1.rb:11       puts   Kernel
  c-call ./example-1.rb:11      write       IO
c-return ./example-1.rb:11      write       IO
  c-call ./example-1.rb:11      write       IO
c-return ./example-1.rb:11      write       IO
c-return ./example-1.rb:11       puts   Kernel

例子中，String#+ 运行了三次，IO#write 两次——第二次大概是输出换行符的。

Ruby 中很多东西很神奇并没有被转换为方法调用。这种东西的一种是字符串插值（... #{ code } ...），并没有被转换为 String#+ 或是 Array#join，而是直接由解释器特别的处理。

set_trace_func proc { |event, file, line, id, binding, classname|
  STDERR.printf "%8s %s:%-2d %10s %8s\n", event, file, line, id, classname
}
@welcome  = "Hello"
$object   = "world"
puts("#{@welcome}, #{$object}\n")

$ ./example-2.rb
    line ./example-2.rb:7                false
    line ./example-2.rb:8                false
    line ./example-2.rb:9                false
  c-call ./example-2.rb:9        puts   Kernel
  c-call ./example-2.rb:9       write       IO
c-return ./example-2.rb:9       write       IO
c-return ./example-2.rb:9        puts   Kernel

同样，创建类并没有被转化为 Class#new，添加方法并没有被转换为 Module#define_method。幸运的是 Ruby 提供了特别的钩子让我们需要捕捉这些事件——当类创建时，其父类的 inherited 方法会被调用；当一个方法被添加时，Ruby 调用其类的 method_added。

set_trace_func proc { |event, file, line, id, binding, classname|
  STDERR.printf "%8s %s:%-2d %10s %8s\n", event, file, line, id, classname
}

class Geolocation
  def initialize(lat, long)
    @lat  = lat
    @long = long
  end
  def to_s
    "<#{@lat}, #{@long}>"
  end
end

$ ./example-3.rb
    line ./example-3.rb:7                false
  c-call ./example-3.rb:7   inherited    Class
c-return ./example-3.rb:7   inherited    Class
   class ./example-3.rb:7                false
    line ./example-3.rb:8                false
  c-call ./example-3.rb:8  method_added   Module
c-return ./example-3.rb:8  method_added   Module
    line ./example-3.rb:12               false
  c-call ./example-3.rb:12 method_added   Module
c-return ./example-3.rb:12 method_added   Module
     end ./example-3.rb:7                false

如果我们想跟踪些有用的东西，不如先换一下输出格式。毕竟我们对跟踪执行过程感兴趣，通常来说文件及行号都没什么用，return/c-return/end 则应该用缩进代替。同时，相比类，我们更注重的是接收者（self）。

$indent = 0
set_trace_func proc { |event, file, line, id, binding, classname|
  if event == "line"
    # 忽略
  elsif %w[return c-return end].include?(event)
    $indent -= 2
  else
    if event == "class"
      STDERR.printf "%*s%s %s\n", $indent, "", event, eval("self", binding)
    else
      STDERR.printf "%*s%s %s.%s\n", $indent, "", event, eval("self", binding), id
    end
    $indent += 2 if %w[call c-call class].include?(event)
  end
}

class Geolocation
  def initialize(lat, long)
    @lat  = lat
    @long = long
  end
  def to_s
    "<#{@lat}, #{@long}>"
  end
end

a = Geolocation.new(51.12, 17.03)
puts a
p a

$ ./example-4.rb > /dev/null
c-call Object.inherited
class Geolocation
  c-call Geolocation.method_added
  c-call Geolocation.method_added
c-call Geolocation.new
  call <, >.initialize
c-call main.puts
  call <51.12, 17.03>.to_s
    c-call 51.12.to_s
    c-call 17.03.to_s
  c-call #<IO:0xb7c80fc0>.write
  c-call #<IO:0xb7c80fc0>.write
c-call main.p
  c-call <51.12, 17.03>.inspect
    c-call 17.03.inspect
      c-call 17.03.to_s
    c-call 51.12.inspect
      c-call 51.12.to_s
  c-call #<IO:0xb7c80fc0>.write
  c-call #<IO:0xb7c80fc0>.write

这里的输出又有点奇怪。在 Geolocation#initialize 开始时， Geolocation#to_s 就被追踪器调用，而不是在其有意义之后。这种情况下，我们一不小心就得到了垃圾 <, >。但是有些对象，在初始化之前被打印是会产生异常的。

require "complex"

$indent = 0
set_trace_func proc { |event, file, line, id, binding, classname|
  if event == "line"
    # 忽略
  elsif %w[return c-return end].include?(event)
    $indent -= 2
  else
    obj = eval("self", binding)
    if event == "class"
      STDERR.printf "%*s%s %s\n", $indent, "", event, obj
    else
      obj = "<#{obj.class}##{obj.object_id}>" if id == :initialize
      STDERR.printf "%*s%s %s.%s\n", $indent, "", event, obj, id
    end
    $indent += 2 if %w[call c-call class].include?(event)
  end
}

a = Complex.new(11.0, -5.0)
b = Complex.new(2.0, 13.5)
c = a * b

$ ./example-5.rb
c-call Complex.new
  call <Complex#-605829048>.initialize
    c-call 11.0.kind_of?
    c-call 11.0.kind_of?
    c-call -5.0.kind_of?
    c-call -5.0.kind_of?
c-call Complex.new
  call <Complex#-605832038>.initialize
    c-call 2.0.kind_of?
    c-call 2.0.kind_of?
    c-call 13.5.kind_of?
    c-call 13.5.kind_of?
call 11.0-5.0i.*
  c-call 2.0+13.5i.kind_of?
  c-call 11.0.*
  c-call -5.0.*
  c-call 22.0.-
  c-call 11.0.*
  c-call -5.0.*
  c-call 148.5.+
  call 11.0-5.0i.Complex
    c-call 138.5.==
    call 89.5.real
    call 138.5.imag
    c-call 89.5.-
    call 89.5.imag
    call 138.5.real
    c-call 0.+
    c-call Complex.new
      call <Complex#-605842188>.initialize
        c-call 89.5.kind_of?
        c-call 89.5.kind_of?
        c-call 138.5.kind_of?
        c-call 138.5.kind_of?

很多平常难以发现的错误，自从有了 set_trace_func、grep 和一些处理日志的单行 Ruby 脚本的帮助，就变得微不足道了……

歪曲真相的欺骗性行为

set_trace_func 不仅仅对调试有用，也适合做各种有趣的事情。Binding.of_caller 是用 set_trace_func 实现的，虽然已经不能用了。magic/help 用了 set_trace_func 在 irb 中提供方便的帮助：

irb> help { STDERR.write }
--------------------------------------------------------------- IO#write
     ios.write(string)    => integer
------------------------------------------------------------------------
     Writes the given string to _ios_. The stream must be opened for
     writing. If the argument is not a string, it will be converted to a
     string using +to_s+. Returns the number of bytes written.

        count = $stdout.write( "This is a test\n" )
        puts "That was #{count} bytes of data"

     _produces:_

        This is a test
        That was 15 bytes of data

magic/help 通过设置一个 set_trace_func 钩子工作，执行传送过来的块，然后一遇到感兴趣的事件就停止执行。这意味着 help { rm_rf "/" } 完全是安全的。

我开发 magic/help 时遇到的一个难懂的问题是，方法没有按正确的参数个数调用时，追踪结果不一致。

对于 C 写的方法，就算显式声明了参数个数，Ruby 依然在 ArgumentError.new 前产生 c-call。另一方面，对于 Ruby 写的方法，ArgumentError.new 被调用，然后从函数 return 返回，而不产生 call。

要描述这个问题，我们来跟踪一下 C 方法 STDERR.write：

c-call #<IO:0xb7c98fa8>.write
  c-call ArgumentError.new
    c-call #<ArgumentError: ArgumentError>.initialize
    c-return #<ArgumentError: wrong number of arguments (0 for 1)>.initialize
  c-return ArgumentError.new
  c-call #<ArgumentError: wrong number of arguments (0 for 1)>.backtrace
  c-return #<ArgumentError: wrong number of arguments (0 for 1)>.backtrace
  c-call #<ArgumentError: wrong number of arguments (0 for 1)>.set_backtrace
  c-return #<ArgumentError: wrong number of arguments (0 for 1)>.set_backtrace
  raise #<IO:0xb7c98fa8>.write
c-return #<IO:0xb7c98fa8>.write

与此同时我们跟踪一下 Ruby 方法 FileUtils.remove_entry:

# "call FileUtils.remove_entry" 永远不会产生！
  c-call ArgumentError.new
    c-call #<ArgumentError: ArgumentError>.initialize
    c-return #<ArgumentError: wrong number of arguments (0 for 1)>.initialize
  c-return ArgumentError.new
  c-call #<ArgumentError: wrong number of arguments (0 for 1)>.backtrace
  c-return #<ArgumentError: wrong number of arguments (0 for 1)>.backtrace
  c-call #<ArgumentError: wrong number of arguments (0 for 1)>.set_backtrace
  c-return #<ArgumentError: wrong number of arguments (0 for 1)>.set_backtrace
  raise FileUtils.remove_entry
# "return FileUtils.remove_entry" 确实产生了。
return FileUtils.remove_entry

两种情况下，参数都是在调用方法之前被检查的。IO#write 是定义为一个参数的方法：

rb_define_method(rb_cIO, "write", io_write, 1);

新版的 magic/help 也能处理这个情况了——如果首事件是 c-call 到 ArgumentError.new，magic/help 就等到首个 return 事件（如果有）而不是立刻放弃执行传来的块。快去下载新版，享受神奇的帮助吧。

译者注

与此同时，也推荐晴兰的利用 set_trace_func 方法来判断一个方法是否被 alias 过给您。

终于在两周前结束了一切，我不知是应宽慰或者反而更加难受。事情不断的重新想起，特别是最近被刻意压制的一些事情。就连过去的论坛上也有因为同样理由离去的人们回来。越来越多的事情不断让我唏嘘不已，例如手机或是电脑上即时通讯工具收到的图片文件夹，几千张图片掠过，我甚至还能想起来是什么时候什么事件什么人儿。

因为一个邪恶以及并不会有任何成效的东西我耽搁了多少事情？！一次次的承诺被推迟以及放弃，甚至还牵扯了他人的梦想。以及不断继续挖坑，伴随着挖坑的快感迎来的是更多的压力。我不止一次感到无力，因为有茫茫多的事情，即使得不到回报，事实上回报也并不是目的。

假期开始之前总是在设想要更加珍惜时间去填坑或者痛痛快快睡一觉，然而事实上总是虽然起早贪黑弄得十分疲倦却依然毫无进展。因为疲倦而不愿动笔，以及因为不知做什么却不去睡觉。我很好的用时差这个理由欺骗自己，可是无论如何又会又什么改变。

帖子的名字来源于过去的一本书，恐怕很少有人知道？甚至豆瓣读书上都找不到。然而我并没有看过这本书，只是喜欢这名字而已。

躲避，让事情变成这样

什麽，之前其实我有很不想去遗忘的

其实，那有怎样呢，很多都是借口

怕，真的躲不过，即便有什么方法

宁可去逆来顺受，不要再躲不过，却，还躲

（差一点都成年了，差一点就不是后来的青春了）

2013.4.25

FIN

从 Finkgo 到 NekoKun，

从村上春树的猫城到猫的天空之城，

无数的记忆，可是我写不下，因为只有 42。

前些时候我去围观了那颗 Fuzzy Ginkgo，

再也找不到当年那种绿的感觉。

Q.E.D.

有人说 66RPG 有的页面忽然跑出需要授权的视窗（登入帐密的视窗）。十分蹊跷，于是在下感觉不妙。

（以下网址请勿访问，请勿填写任何真实账户资料）

在下发现用户 shinyshinyh 的签名中含有一张图片指向 http://universe33.duapp.com/auth.php?r=Please+Login+to+66rpg

在下用凭据 233:466 登录后，跳转到了 http://universe33.duapp.com/log.php?u=&p=UGxlYXNlIExvZ2luIHRvIDY2cnBn&c=&i=MjMzPT40NjY=

1.9.3-p327 :001 > "UGxlYXNlIExvZ2luIHRvIDY2cnBn".unpack("m")
 => ["Please Login to 66rpg"]
1.9.3-p327 :002 > "MjMzPT40NjY=".unpack("m")
 => ["233=>466"]

因此可以认为，这货是冲着盗号来的。

世界真小我居然在半年后找到了肇事者。

啊我居然看到了这个
需要身份验证的签名图 —— 实为盗号
OTL。我才不会说是我弄着玩的呢。
结果一个都没钓到= =
邮箱里全是233:466
= =在乌云上看到案例想实践一下
= =结果什么都没收获